layout is showing fine in design mode but not in real device - android

Hello I have an issue with my layout. Its working properly on preview mode and on an emulator with Api level 24 but when I run it on a device with api 19 it just breaks up and gets all messed up. Even my edit text fields end up unresponsive. here I paste my XML code to see if you guys coud help me out.
EDIT: I am very sorry I've pasted the wrong code (it was incomplete). I have edited and now its correct. Also attached a couple of pictures of how looks in the named devices.
Here is the messed layout And here is the correct one
.Another thing is that I am using one nested constraint layout. Do you thing that could be it?
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/root"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:focusableInTouchMode="true"
tools:context="com.cuantomefalta.cuantomefalta.MainActivity">
<EditText
android:id="#+id/weighing3"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/cero_percent"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/weighing2"
tools:text="25%"
android:layout_marginLeft="8dp"
android:layout_marginTop="2dp"
android:layout_marginStart="8dp"/>
<EditText
android:id="#+id/grade3"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/one"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toRightOf="#+id/weighing3"
app:layout_constraintRight_toLeftOf="#+id/converted3"
app:layout_constraintTop_toTopOf="#+id/weighing3"
tools:text="100" />
<TextView
android:id="#+id/converted3"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:text="#string/one_point_cero"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="#+id/weighing3"
tools:text="8.5"
android:layout_marginTop="2dp"
android:layout_marginRight="8dp"
android:layout_marginEnd="8dp"/>
<EditText
android:id="#+id/weighing2"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/cero_percent"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/weighing1"
tools:text="25%"
android:layout_marginLeft="8dp"
android:layout_marginTop="2dp"
android:layout_marginStart="8dp"/>
<EditText
android:id="#+id/grade2"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/one"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toRightOf="#+id/weighing2"
app:layout_constraintRight_toLeftOf="#+id/converted2"
app:layout_constraintTop_toTopOf="#+id/weighing2"
tools:text="100" />
<TextView
android:id="#+id/converted2"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:text="#string/one_point_cero"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="#+id/weighing2"
tools:text="8.5"
android:layout_marginTop="0dp"
android:layout_marginRight="8dp"
android:layout_marginEnd="8dp"/>
<EditText
android:id="#+id/weighing1"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/cero_percent"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/weighing"
tools:text="25%"
android:layout_marginLeft="8dp"
android:layout_marginTop="2dp"
android:layout_marginStart="8dp"/>
<EditText
android:id="#+id/grade1"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/one"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toRightOf="#+id/weighing1"
app:layout_constraintRight_toLeftOf="#+id/converted1"
app:layout_constraintTop_toTopOf="#+id/weighing1"
tools:text="100"
android:layout_marginTop="0dp"
app:layout_constraintHorizontal_bias="0.5" />
<TextView
android:id="#+id/converted1"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_square"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:text="#string/one_point_cero"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="#+id/weighing1"
tools:text="8.5"
android:layout_marginTop="0dp"
android:layout_marginRight="8dp"
android:layout_marginEnd="8dp"/>
<EditText
android:id="#+id/weighing"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="2dp"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/cero_percent"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="25%"
/>
<EditText
android:id="#+id/grade"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:background="#drawable/little_square"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:hint="#string/one"
android:imeOptions="actionDone"
android:inputType="number"
android:textColor="#android:color/white"
android:textSize="25sp"
app:layout_constraintLeft_toRightOf="#+id/weighing"
app:layout_constraintRight_toLeftOf="#+id/converted"
app:layout_constraintTop_toTopOf="#+id/weighing"
tools:text="100" />
<TextView
android:id="#+id/converted"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_gravity="center_vertical"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:background="#drawable/little_square"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:text="#string/one_point_cero"
android:textColor="#android:color/white"
android:textSize="25sp"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="#+id/weighing"
tools:text="1.0" />
<com.google.android.gms.ads.AdView xmlns:ads="http://schemas.android.com/apk/res-auto"
android:id="#+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
ads:adSize="SMART_BANNER"
ads:adUnitId="ca-app-pub-2505831397151341/8310107897"
ads:layout_constraintBottom_toBottomOf="parent"
ads:layout_constraintHorizontal_bias="0.0"
ads:layout_constraintLeft_toLeftOf="parent"
ads:layout_constraintRight_toRightOf="parent" />
<android.support.constraint.ConstraintLayout
android:id="#+id/shareView"
android:layout_width="250dp"
android:layout_height="250dp"
android:layout_gravity="center_vertical"
android:background="#drawable/big_circle"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
app:layout_constraintBottom_toTopOf="#+id/adView"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent">
<TextSwitcher
android:id="#+id/final_grade"
android:layout_width="0dp"
android:layout_height="234dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_vertical"
android:layout_marginTop="-12dp"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:textColor="#android:color/white"
android:textSize="125sp"
tools:text="55" />
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_vertical"
android:layout_marginTop="-12dp"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:textColor="#android:color/white"
android:textSize="125sp"
tools:text="99" />
</TextSwitcher>
<EditText
android:id="#+id/goalGrade"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_gravity="center_vertical"
android:background="#drawable/little_circle"
android:cursorVisible="false"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:inputType="number"
android:imeOptions="actionDone"
android:text="#string/five"
android:textColor="#android:color/white"
android:textSize="30sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
tools:text="#string/five"
android:layout_marginBottom="8dp" />
<TextView
android:id="#+id/first_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-medium"
android:text="#string/me_faltan"
android:textColor="#android:color/white"
android:textSize="25sp"
android:visibility="gone"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="#+id/shareView"
android:layout_marginTop="24dp"
/>
<TextView
android:id="#+id/second_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-medium"
android:text="#string/para_llegar"
android:textColor="#android:color/white"
android:textSize="20sp"
android:visibility="gone"
app:layout_constraintBottom_toTopOf="#+id/goalGrade"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent" />
</android.support.constraint.ConstraintLayout>
<android.support.design.widget.FloatingActionButton
android:id="#+id/floatingActionButton8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:clickable="true"
app:fabSize="mini"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="#+id/shareView"
app:srcCompat="#drawable/ic_add_white_24dp" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/floatingActionButton9"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:clickable="true"
app:fabSize="mini"
app:layout_constraintLeft_toLeftOf="#+id/floatingActionButton8"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/floatingActionButton8"
app:srcCompat="#drawable/ic_clear_white_24dp" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/floatingActionButton10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:clickable="true"
app:fabSize="mini"
app:layout_constraintLeft_toLeftOf="#+id/floatingActionButton9"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/floatingActionButton9"
app:srcCompat="#drawable/ic_delete_sweep_white_24dp" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/floatingActionButton11"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:clickable="true"
app:fabSize="mini"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="#+id/floatingActionButton10"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/floatingActionButton10"
app:layout_constraintBottom_toBottomOf="#id/shareView"
app:srcCompat="#drawable/ic_play_arrow_white_24dp" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/floatingActionButton12"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginRight="0dp"
android:clickable="true"
app:fabSize="mini"
app:layout_constraintRight_toRightOf="#id/shareView"
app:layout_constraintBottom_toBottomOf="#+id/shareView"
app:srcCompat="#drawable/ic_share_white_24dp"
android:visibility="gone"
android:layout_marginBottom="56dp" />
</android.support.constraint.ConstraintLayout>


Check in the build.gradle(module App) for the minSdkVersion & targetSdkVersion, your device might not be in the range, if so correct that


Your display resolution might be the problem.

Related

TextInpuLayout Stroke is not showing correctly

I am using InputEditTextLayout Outline Dense.
The stroke is cut out like this when hint enabled= off but shown correctly when hint is enabled.
https://ibb.co/yPrjHJ2
https://ibb.co/WD8Lktc
I tried putting padding and margins but nothing works. I couldn't find how to set padding for background in InputEditTextLayout.
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<ImageView
android:id="#+id/imageView2"
android:layout_width="match_parent"
android:layout_height="120dp"
android:layout_marginTop="124dp"
android:minHeight="10dp"
android:paddingBottom="16dp"
android:src="#drawable/signin_header"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/textInputLayout2"
style="#style/LoginTextInputLayoutStyle"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:hintEnabled="false"
android:layout_marginTop="16dp"
app:layout_constraintEnd_toStartOf="#+id/guideline2"
app:layout_constraintHorizontal_bias="0.0"
android:paddingBottom="4dp"
android:paddingTop="2dp"
app:layout_constraintStart_toStartOf="#+id/guideline3"
app:layout_constraintTop_toBottomOf="#+id/imageView2">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/login_email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Email"
android:paddingStart="16dp"
android:layout_gravity="center"
android:inputType="textEmailAddress"
android:textColor="#color/LightBlack"
android:textColorHint="#color/LightBlack"
android:textSize="16dp" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/textInputLayout"
style="#style/LoginTextInputLayoutStyle"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginVertical="#dimen/tex_size_default"
android:layout_marginTop="32dp"
app:hintEnabled="false"
android:paddingBottom="2dp"
android:paddingTop="2dp"
app:layout_constraintEnd_toStartOf="#+id/guideline2"
app:layout_constraintStart_toStartOf="#+id/guideline3"
app:layout_constraintTop_toBottomOf="#+id/textInputLayout2"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/login_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Enter Password"
android:inputType="textPassword"
android:paddingStart="16dp"
android:textColorHint="#color/LightBlack"
android:textColor="#color/LightBlack"
android:textSize="16sp" />
</com.google.android.material.textfield.TextInputLayout>
<TextView
android:id="#+id/not_regis"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="4dp"
android:paddingEnd="5dp"
android:text="Not registered?"
android:textAlignment="center"
android:textColor="#android:color/white"
android:textSize="#dimen/tex_size_default"
app:layout_constraintStart_toStartOf="#+id/textView13"
app:layout_constraintTop_toBottomOf="#+id/textView13" />
<TextView
android:id="#+id/login_signup"
style="#style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="wrap_content"
android:layout_height="26dp"
android:layout_toEndOf="#+id/not_regis"
android:onClick="signup_screen"
android:text="Sign Up"
android:textAlignment="center"
android:textColor="#F57C00"
android:textSize="#dimen/tex_size_default"
android:textStyle="bold"
app:layout_constraintBaseline_toBaselineOf="#+id/not_regis"
app:layout_constraintStart_toEndOf="#+id/not_regis" />
<com.google.android.material.button.MaterialButton
android:id="#+id/login_login"
style="#style/RoundButton"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginStart="92dp"
android:layout_marginTop="32dp"
android:onClick="login"
android:padding="10dp"
android:text="LOGIN"
android:textColor="#android:color/black"
app:layout_constraintStart_toStartOf="#+id/guideline3"
app:layout_constraintTop_toBottomOf="#+id/textInputLayout" />
<TextView
android:id="#+id/textView13"
android:layout_width="137dp"
android:layout_height="23dp"
android:layout_alignParentEnd="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="8dp"
android:layout_marginTop="40dp"
android:onClick="forgetpassword"
android:text="Forgot password"
android:textColor="#F57C00"
android:textSize="#dimen/tex_size_default"
app:layout_constraintStart_toStartOf="#+id/guideline3"
app:layout_constraintTop_toBottomOf="#+id/login_login" />
<androidx.constraintlayout.widget.Guideline
android:id="#+id/guideline2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.84" />
<androidx.constraintlayout.widget.Guideline
android:id="#+id/guideline3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.16" />
</androidx.constraintlayout.widget.ConstraintLayout>

You can try below sample one to showing correctly TextInpuLayout Stroke. You can also refer them for a more complete solution.
<TextView
android:id="#+id/not_regis"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="4dp"
android:paddingEnd="5dp"
android:text="Not registered?"
android:textAlignment="center"
android:textColor="#android:color/white"
android:textSize="#dimen/tex_size_default"
app:layout_constraintStart_toStartOf="#+id/textView13"
app:layout_constraintTop_toBottomOf="#+id/textView13" />

Try this one example which I have used.
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/user_name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="42dp"
android:layout_marginTop="87dp"
android:layout_marginEnd="42dp"
android:theme="#style/TextLabel"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/tv_bold_line">
<androidx.appcompat.widget.AppCompatAutoCompleteTextView
android:id="#+id/ed_user_name"
style="#style/TextViewSingleLine"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:drawableEndCompat="#drawable/ic_user"
android:hint="#string/user_name"
android:imeOptions="actionNext"
android:paddingBottom="16dp"
android:textSize="#dimen/login_text" />
</com.google.android.material.textfield.TextInputLayout>

need help figuring out how to compare user input and pulling data from a website using an api key

This is my first time programming in android studio and I need help in figuring out how to compare options selected by the user based on the radio buttons and query an api to pull data from a website. Below is the code of the layout.The results are supposed to be displayed on another page, thank you.
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#0663ba"
tools:context=".MainActivity"
tools:layout_editor_absoluteY="81dp">
<Button
android:id="#+id/button"
android:layout_width="88dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="#000000"
android:text="#string/search"
android:textColor="#FFFFFF"
android:textSize="18sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/editText3" />
<EditText
android:id="#+id/editText"
android:layout_width="172dp"
android:layout_height="50dp"
android:layout_marginBottom="32dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:ems="10"
android:hint="#string/zip_code"
android:inputType="textPostalAddress"
app:layout_constraintBottom_toTopOf="#+id/textView2"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.04"
app:layout_constraintStart_toStartOf="parent"
tools:ignore="MissingConstraints" />
<TextView
android:id="#+id/textView2"
android:layout_width="175dp"
android:layout_height="44dp"
android:layout_marginBottom="48dp"
android:layout_marginStart="8dp"
android:fontFamily="sans-serif"
android:text="#string/select_date_range"
android:textAppearance="#style/TextAppearance.AppCompat"
android:textColor="#FFFFFF"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/textView3"
app:layout_constraintStart_toStartOf="parent" />
<RadioGroup
android:id="#+id/radioGroup6"
android:layout_width="144dp"
android:layout_height="0dp"
android:layout_marginBottom="14dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:textColor="#FFFFFF"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/radioGroup7"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/textView2"
app:layout_constraintTop_toBottomOf="#+id/imageButton">
<RadioButton
android:id="#+id/radioButton8"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:checked="true"
android:text="#string/_1_week"
android:textColor="#FFFFFF"
android:textSize="18sp" />
<RadioButton
android:id="#+id/radioButton9"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:text="#string/_2_weeks"
android:textColor="#FFFFFF"
android:textSize="18sp" />
<RadioButton
android:id="#+id/radioButton7"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:text="#string/_3_months"
android:textColor="#FFFFFF"
android:textSize="18sp" />
</RadioGroup>
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="44dp"
android:layout_marginBottom="28dp"
android:layout_marginStart="16dp"
android:text="#string/select_crime_type"
android:textAppearance="#style/TextAppearance.AppCompat"
android:textColor="#FFFFFF"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/textView4"
app:layout_constraintStart_toStartOf="parent" />
<RadioGroup
android:id="#+id/radioGroup7"
android:layout_width="144dp"
android:layout_height="0dp"
android:layout_marginBottom="11dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:textColor="#FFFFFF"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/textView4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/textView3"
app:layout_constraintTop_toBottomOf="#+id/radioGroup6">
<RadioButton
android:id="#+id/radioButton13"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="#string/rape"
android:textColor="#FFFFFF"
android:textSize="18sp" />
<RadioButton
android:id="#+id/radioButton15"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="#string/assault"
android:textColor="#FFFFFF"
android:textSize="18sp" />
<RadioButton
android:id="#+id/radioButton14"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:checked="true"
android:text="#string/murder"
android:textColor="#FFFFFF"
android:textSize="18sp" />
</RadioGroup>
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="32dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="33dp"
android:text="#string/search_for_criminal_or_victim"
android:textAlignment="viewStart"
android:textAppearance="#style/TextAppearance.AppCompat"
android:textColor="#FFFFFF"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/editText3"
app:layout_constraintEnd_toEndOf="#+id/radioGroup7"
app:layout_constraintTop_toBottomOf="#+id/radioGroup7" />
<EditText
android:id="#+id/editText3"
android:layout_width="195dp"
android:layout_height="45dp"
android:layout_marginBottom="66dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:ems="10"
android:hint="#string/enter_full_name"
android:inputType="textPersonName"
android:textColor="#FFFFFF"
android:textSize="24sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.502"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView4" />
<ImageButton
android:id="#+id/imageButton"
android:layout_width="wrap_content"
android:layout_height="147dp"
android:layout_marginBottom="76dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:backgroundTint="#a91818"
android:scaleType="fitCenter"
android:src="#drawable/new_crime_img"
android:visibility="visible"
app:layout_constraintBottom_toTopOf="#+id/radioGroup6"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
</android.support.constraint.ConstraintLayout>

ConstraintLayout ListView RTL some lines are not RTL

On my ListView some lines are not RTL aligned.
After scrolling and redrawing the lines are correct.
My layout of the line item:
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/clFrontView"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:paddingLeft="16dp"
android:paddingRight="16dp">
<ImageView
android:id="#+id/ivCircle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/circle"
tools:ignore="ContentDescription"
android:layout_marginTop="5dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintLeft_toLeftOf="parent" />
<ImageView
android:id="#+id/ivReminderType"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
tools:ignore="ContentDescription"
app:layout_constraintTop_toTopOf="#id/ivCircle"
app:layout_constraintBottom_toBottomOf="#id/ivCircle"
app:layout_constraintStart_toStartOf="#id/ivCircle"
app:layout_constraintEnd_toEndOf="#id/ivCircle"
app:layout_constraintLeft_toLeftOf="#id/ivCircle"
app:layout_constraintRight_toRightOf="#id/ivCircle" />
<de.hdodenhof.circleimageview.CircleImageView
android:id="#+id/civContactImage"
android:layout_width="42dp"
android:layout_height="42dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintStart_toStartOf="parent"/>
<ImageView
android:id="#+id/icivCircleSmall"
android:layout_width="15dp"
android:layout_height="15dp"
app:layout_constraintEnd_toEndOf="#id/civContactImage"
app:layout_constraintRight_toRightOf="#id/civContactImage"
app:layout_constraintBottom_toBottomOf="#id/civContactImage"
tools:ignore="ContentDescription"/>
<TextView
android:id="#+id/tvTextLine"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
tools:text="Line of Text"
android:textSize="18sp"
android:maxLines="2"
app:layout_constraintLeft_toRightOf="#id/ivCircle"
app:layout_constraintStart_toEndOf="#id/ivCircle"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"/>
<TextView
android:id="#+id/tvTextLine2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:textSize="16sp"
android:visibility="gone"
app:layout_constraintStart_toStartOf="#id/tvTextLine"
app:layout_constraintLeft_toLeftOf="#id/tvTextLine"
app:layout_constraintTop_toBottomOf="#id/tvTextLine" />
<TextView
android:id="#+id/tvTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
tools:text="Wed, 01.05.2018 10:10"
android:textColor="#FF909090"
android:textSize="12sp"
android:drawablePadding="5dp"
app:layout_constraintStart_toStartOf="#id/tvTextLine"
app:layout_constraintLeft_toLeftOf="#id/tvTextLine"
app:layout_constraintTop_toBottomOf="#id/tvTextLine2" />
<TextView
android:id="#+id/tvRepeat"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
tools:text="Every 2nd Friday"
android:textColor="#FF909090"
android:textSize="12sp"
android:drawablePadding="5dp"
app:layout_constraintStart_toStartOf="#id/tvTextLine"
app:layout_constraintLeft_toLeftOf="#id/tvTextLine"
app:layout_constraintTop_toBottomOf="#id/tvTime" />
</android.support.constraint.ConstraintLayout>
First start it looks like this, the first line is not RTL:
After scrolling down and again up to the top it is correct:
build.gradle dependency:
implementation 'com.android.support.constraint:constraint-layout:1.1.2'

These changes may work:
<ImageView
android:id="#+id/ivCircle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/bg_circle_win"
app:layout_constraintBottom_toBottomOf="#+id/civContactImage"
app:layout_constraintStart_toStartOf="#+id/civContactImage"
tools:ignore="ContentDescription" />
<ImageView
android:id="#+id/ivReminderType"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
app:layout_constraintEnd_toEndOf="#+id/civContactImage"
app:layout_constraintTop_toTopOf="#+id/civContactImage"
tools:ignore="ContentDescription" />
<de.hdodenhof.circleimageview.CircleImageView
android:id="#+id/civContactImage"
android:layout_width="42dp"
android:layout_height="42dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="#+id/icivCircleSmall"
android:layout_width="15dp"
android:layout_height="15dp"
app:layout_constraintEnd_toEndOf="#id/civContactImage"
app:layout_constraintRight_toRightOf="#id/civContactImage"
app:layout_constraintBottom_toBottomOf="#id/civContactImage"
tools:ignore="ContentDescription"/>
<TextView
android:id="#+id/tvTextLine"
android:layout_width="wrap_content"
android:layout_height="23dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:gravity="center_vertical"
android:maxLines="2"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="#+id/civContactImage"
tools:text="Line of Text" />
<TextView
android:id="#+id/tvTextLine2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:textSize="16sp"
android:visibility="gone" />
<TextView
android:id="#+id/tvTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:drawablePadding="5dp"
android:gravity="center_vertical"
android:textColor="#FF909090"
android:textSize="12sp"
app:layout_constraintEnd_toStartOf="#+id/civContactImage"
app:layout_constraintTop_toBottomOf="#+id/tvTextLine"
tools:text="Wed, 01.05.2018 10:10" />
<TextView
android:id="#+id/tvRepeat"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:drawablePadding="5dp"
android:gravity="center_vertical"
android:textColor="#FF909090"
android:textSize="12sp"
app:layout_constraintEnd_toStartOf="#+id/civContactImage"
app:layout_constraintTop_toBottomOf="#+id/tvTime"
tools:text="Every 2nd Friday" />
I hope to work. good luck

Try this maybe it could solve the problem. Small testing changes are there you can remove them according to your need, Firstly, I have changed the tools:text to android:text so that it shows dummy data.Secondly, The two imageview named as ivReminderType and icivCircleSmall I have put two default images just for testing purpose so do change that. Also there is one imageview named icivCircleSmall I didnt know where it should be constarined to so I have not edited any code written for it. Below is the edited code of the xml.
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/clFrontView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="10dp"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingTop="10dp">
<ImageView
android:id="#+id/ivCircle"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:src="#mipmap/ic_launcher"
app:layout_constraintBottom_toTopOf="#+id/tvRepeat"
app:layout_constraintEnd_toStartOf="#+id/tvTime"
app:layout_constraintTop_toBottomOf="#+id/tvTextLine"
tools:ignore="ContentDescription" />
<ImageView
android:id="#+id/ivReminderType"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:src="#mipmap/ic_launcher"
app:layout_constraintBottom_toBottomOf="#+id/tvRepeat"
app:layout_constraintEnd_toStartOf="#+id/tvRepeat"
app:layout_constraintTop_toBottomOf="#+id/tvTime"
tools:ignore="ContentDescription" />
<de.hdodenhof.circleimageview.CircleImageView
android:id="#+id/civContactImage"
android:layout_width="42dp"
android:layout_height="42dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:src="#mipmap/ic_launcher"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="#+id/icivCircleSmall"
android:layout_width="15dp"
android:layout_height="15dp"
app:layout_constraintBottom_toBottomOf="#id/civContactImage"
app:layout_constraintEnd_toEndOf="#id/civContactImage"
app:layout_constraintRight_toRightOf="#id/civContactImage"
tools:ignore="ContentDescription" />
<TextView
android:id="#+id/tvTextLine"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:gravity="center_vertical"
android:maxLines="2"
android:text="Line of Text"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="#+id/civContactImage"
app:layout_constraintTop_toTopOf="#+id/civContactImage" />
<TextView
android:id="#+id/tvTextLine2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:textSize="16sp"
android:visibility="gone"
app:layout_constraintLeft_toLeftOf="#id/tvTextLine"
app:layout_constraintStart_toStartOf="#id/tvTextLine"
app:layout_constraintTop_toBottomOf="#id/tvTextLine" />
<TextView
android:id="#+id/tvTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:drawablePadding="5dp"
android:gravity="center_vertical"
android:text="Wed, 01.05.2018 10:10"
android:textColor="#FF909090"
android:textSize="12sp"
app:layout_constraintEnd_toStartOf="#+id/civContactImage"
app:layout_constraintTop_toBottomOf="#id/tvTextLine2" />
<TextView
android:id="#+id/tvRepeat"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:drawablePadding="5dp"
android:gravity="center_vertical"
android:text="Every 2nd Friday"
android:textColor="#FF909090"
android:textSize="12sp"
app:layout_constraintEnd_toEndOf="#+id/tvTime"
app:layout_constraintLeft_toLeftOf="#id/tvTextLine"
app:layout_constraintStart_toStartOf="#id/tvTextLine"
app:layout_constraintTop_toBottomOf="#id/tvTime" />
</android.support.constraint.ConstraintLayout>
Hope it helps!

ConstraintLayout Stuck at Parent top despite being constrained to View

Searched around, can't find this issue specifically. Created an account specifically to ask WHAT'S HAPPENING HERE?!
Using a ConstraintLayout for the first time - I've had good success, but for some reason CANNOT get two of my Components to play nicely.
Here's what I WANT it to look like (accomplished by breaking constraints and hardcoding stuff):
...and here's the jumbled mess I get if I try to constrain "LabelJournal" and "linearLayout2":
The problems are happening for components named "LabelJournal" and "linearLayout2". Here's what my LayoutFile looks like... It's a WIP so I know right now there's a lot of hardcoding of text values and whatnot - I'm just trying to figure out WHAT in the world is causing these two components to get stuck at the top of the parent:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageButton
android:id="#+id/imageButton"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="#android:color/transparent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/ic_left" />
<EditText
android:id="#+id/editText"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginEnd="14dp"
android:layout_marginStart="14dp"
android:inputType="date"
android:text="03/04/2018"
android:textAlignment="center"
android:textSize="24sp"
app:layout_constraintEnd_toStartOf="#+id/imageButton2"
app:layout_constraintStart_toEndOf="#+id/imageButton"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="#+id/imageButton2"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="#android:color/transparent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/ic_right" />
<TextView
android:id="#+id/LabelJournal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="Journal:"
android:textStyle="italic"
app:layout_constraintBottom_toTopOf="#id/ContentJournal"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/imageButton" />
<TextView
android:id="#+id/ContentJournal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="The journal text would go in right about here. It should wrap to the next line for sufficientyl large text blocks."
android:textColorLink="#android:color/black"
android:textSize="18sp"
app:layout_constraintBottom_toTopOf="#+id/LabelTags"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/LabelJournal" />
<TextView
android:id="#+id/LabelTags"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginStart="16dp"
android:text="Tags:"
android:textStyle="italic"
app:layout_constraintBottom_toTopOf="#+id/horizontalScrollView"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="#id/ContentJournal" />
<HorizontalScrollView
android:id="#+id/horizontalScrollView"
android:layout_width="0dp"
android:layout_height="41dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/LabelTags">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="horizontal">
<TextView
android:id="#+id/TagDayOff"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical|center_horizontal"
android:padding="10dp"
android:paddingBottom="15dp"
android:paddingTop="15dp"
android:text="#DayOff"
android:textAlignment="center"
android:textColor="#android:color/darker_gray"
android:textSize="18sp" />
<TextView
android:id="#+id/TagUntracked"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical|center_horizontal"
android:padding="10dp"
android:paddingBottom="15dp"
android:paddingTop="15dp"
android:text="#Untracked"
android:textAlignment="center"
android:textColor="#android:color/darker_gray"
android:textSize="18sp" />
<TextView
android:id="#+id/TagTravel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical|center_horizontal"
android:padding="10dp"
android:paddingBottom="15dp"
android:paddingTop="15dp"
android:text="#Travel"
android:textAlignment="center"
android:textColor="#android:color/darker_gray"
android:textSize="18sp" />
<TextView
android:id="#+id/TagGames"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical|center_horizontal"
android:padding="10dp"
android:paddingBottom="15dp"
android:paddingTop="15dp"
android:text="#Games"
android:textAlignment="center"
android:textColor="#android:color/darker_gray"
android:textSize="18sp" />
<TextView
android:id="#+id/TagMovie"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center_vertical|center_horizontal"
android:padding="10dp"
android:paddingBottom="15dp"
android:paddingTop="15dp"
android:text="#Games"
android:textAlignment="center"
android:textColor="#android:color/darker_gray"
android:textSize="18sp" />
</LinearLayout>
</HorizontalScrollView>
<TextView
android:id="#+id/LabelDIet"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="Diet:"
android:textStyle="italic"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/horizontalScrollView" />
<TextView
android:id="#+id/ContentCalories"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="32dp"
android:layout_marginTop="8dp"
android:textSize="18sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/LabelDIet"
tools:text="2813" />
<TextView
android:id="#+id/DietCalLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:text="Cal"
android:textSize="10sp"
android:textStyle="italic"
app:layout_constraintBottom_toBottomOf="#+id/ContentCalories"
app:layout_constraintStart_toEndOf="#+id/ContentCalories" />
<ProgressBar
android:id="#+id/ProgressCalories"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginBottom="2dp"
android:layout_marginEnd="-8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="2dp"
android:progressDrawable="#android:color/holo_blue_dark"
android:progressTint="#android:color/holo_green_light"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="#+id/ContentCalories"
app:layout_constraintEnd_toEndOf="#+id/ContentProteinPercent"
app:layout_constraintStart_toEndOf="#+id/DietCalLabel"
app:layout_constraintTop_toTopOf="#+id/ContentCalories" />
<TextView
android:id="#+id/ContentProtein"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginTop="8dp"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="#+id/DietCalLabel"
app:layout_constraintTop_toBottomOf="#+id/ContentCalories"
tools:text="154" />
<TextView
android:id="#+id/DietProteinLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:text="P"
android:textSize="10sp"
android:textStyle="italic"
app:layout_constraintBottom_toBottomOf="#+id/ContentProtein"
app:layout_constraintStart_toEndOf="#+id/ContentProtein" />
<ProgressBar
android:id="#+id/ProgressProtein"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="150dp"
android:layout_height="0dp"
android:layout_marginBottom="4dp"
android:layout_marginStart="8dp"
android:layout_marginTop="4dp"
android:progressDrawable="#android:color/holo_blue_dark"
android:progressTint="#android:color/holo_red_light"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="#+id/ContentProtein"
app:layout_constraintStart_toEndOf="#+id/DietCalLabel"
app:layout_constraintTop_toTopOf="#+id/ContentProtein" />
<TextView
android:id="#+id/ContentProteinPercent"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:paddingEnd="8dp"
android:paddingStart="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.074"
app:layout_constraintStart_toEndOf="#+id/ProgressProtein"
app:layout_constraintTop_toTopOf="#+id/ContentProtein"
tools:text="22 %" />
<TextView
android:id="#+id/ContentFat"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginTop="8dp"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="#+id/DietCalLabel"
app:layout_constraintTop_toBottomOf="#+id/ContentProtein"
tools:text="103" />
<TextView
android:id="#+id/dietProteinLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:text="F"
android:textSize="10sp"
android:textStyle="italic"
app:layout_constraintBottom_toBottomOf="#+id/ContentFat"
app:layout_constraintStart_toEndOf="#+id/ContentFat" />
<ProgressBar
android:id="#+id/ProgressFats"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="150dp"
android:layout_height="0dp"
android:layout_marginBottom="4dp"
android:layout_marginStart="8dp"
android:layout_marginTop="4dp"
android:progressDrawable="#android:color/holo_blue_dark"
android:progressTint="#android:color/holo_orange_light"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="#+id/ContentFat"
app:layout_constraintStart_toEndOf="#+id/DietCalLabel"
app:layout_constraintTop_toTopOf="#+id/ContentFat" />
<TextView
android:id="#+id/contentProteinPercent"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:paddingEnd="8dp"
android:paddingStart="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.074"
app:layout_constraintStart_toEndOf="#+id/ProgressProtein"
app:layout_constraintTop_toTopOf="#+id/ContentFat"
tools:text="33 %" />
<TextView
android:id="#+id/ContentCarbs"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginTop="8dp"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="#+id/DietCalLabel"
app:layout_constraintTop_toBottomOf="#+id/ContentFat"
tools:text="302" />
<TextView
android:id="#+id/DietCarbLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:text="C"
android:textSize="10sp"
android:textStyle="italic"
app:layout_constraintBottom_toBottomOf="#+id/ContentCarbs"
app:layout_constraintStart_toEndOf="#+id/ContentCarbs" />
<ProgressBar
android:id="#+id/ProgressCarbs"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="150dp"
android:layout_height="0dp"
android:layout_marginBottom="8dp"
android:layout_marginStart="8dp"
android:progressDrawable="#android:color/holo_blue_dark"
android:progressTint="#android:color/holo_blue_light"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="#+id/ContentCarbs"
app:layout_constraintStart_toEndOf="#+id/DietCalLabel"
app:layout_constraintTop_toTopOf="#+id/ContentCarbs" />
<TextView
android:id="#+id/ContentCarbPercent"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:paddingEnd="8dp"
android:paddingStart="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.074"
app:layout_constraintStart_toEndOf="#+id/ProgressProtein"
app:layout_constraintTop_toTopOf="#+id/ContentCarbs"
tools:text="43 %" />
<TextView
android:id="#+id/LabelExercise"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="Exercise:"
android:textStyle="italic"
app:layout_constraintBottom_toTopOf="#+id/linearLayout2"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/ContentCarbs" />
<LinearLayout
android:id="#+id/linearLayout2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
tools:layout_editor_absoluteX="0dp"
tools:layout_editor_absoluteY="436dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/LabelExercise" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<ImageButton
android:id="#+id/ImageExerciseAttribution"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_weight="1"
android:background="#android:color/transparent"
android:scaleType="fitXY"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/LabelExercise"
app:srcCompat="#drawable/fit" />
<TextView
android:id="#+id/ContentExercise"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_weight="1"
android:text="45 min - PHUL Upper Power"
android:textSize="18sp"
app:layout_constraintBottom_toBottomOf="#+id/ImageExerciseAttribution"
app:layout_constraintStart_toEndOf="#+id/ImageExerciseAttribution"
app:layout_constraintTop_toTopOf="#+id/ImageExerciseAttribution" />
</LinearLayout>
</LinearLayout>
</android.support.constraint.ConstraintLayout>
Perhaps I should also mention - I have no errors showing up in my Constraint Layout (although a ton of warnings about hardcoded text and whatnot that I'll deal with later).

Alright took me an hour of tinkering - but ever line in my Layout HTML that contains "layout_constraintBottom_toTopOf" caused the problem. I don't know if it's an ordering thing or some weird drawing hierarchy. It makes no sense to me how this got busted.

Horizontal RecyclerView inside NestedScrollView, can't scroll vertically

I tried every combination of this, some people said it's a bug but I think it's something small I'm missing. With the follwing XML, I can't scroll at all, only the horizontal scroll works.
I have a side-scroll RecyclerView which I can drag left and right, but the page has more I items than can fit, hence the ScrollView.
At first I was aiming for a collapsable toolbar, but when I add CoordinatorLayout, the activity is just blank.
My XML:
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:nestedScrollingEnabled="true"
app:layout_constraintTop_toBottomOf="#+id/scrollv"
tools:context="com.wearecatchapp.blueandwhite.catchapp_droid.EventDetailActivity">
<android.support.v7.widget.Toolbar
android:id="#+id/detail_toolbar"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#fff"
android:elevation="2dp"
android:minHeight="60dp"
android:theme="#style/ThemeOverlay.AppCompat.ActionBar"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_scrollFlags="scroll|enterAlwaysCollapsed"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/evt_title"
fontPath="fonts/PanameFY.otf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="30sp" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:padding="2dp"
android:text="Organizer's level:"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="12sp" />
<ImageView
android:id="#+id/org_level"
android:layout_width="60dp"
android:layout_height="16dp"
android:layout_gravity="center_vertical" />
</LinearLayout>
<TextView
android:id="#+id/optional_title"
fontPath="fonts/PanameFY.otf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:padding="2dp"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="24sp"
android:visibility="gone" />
</LinearLayout>
</android.support.v7.widget.Toolbar>
<android.support.v4.widget.NestedScrollView
android:id="#+id/scrollv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="#+id/detail_toolbar">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="#+id/activity_image"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:srcCompat="#color/black" />
<TextView
android:id="#+id/month"
android:layout_width="70dp"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="NOV"
android:textAlignment="center"
android:textColor="#android:color/holo_red_light"
android:textSize="18sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/activity_image" />
<TextView
android:id="#+id/day"
android:layout_width="70dp"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="2dp"
android:text="15"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="24sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/month" />
<TextView
android:id="#+id/starts"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="Starts"
android:textColor="#color/black"
android:textSize="18sp"
app:layout_constraintLeft_toRightOf="#+id/month"
app:layout_constraintTop_toBottomOf="#+id/activity_image" />
<TextView
android:id="#+id/ends"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="7dp"
android:text="Ends"
android:textColor="#color/black"
android:textSize="18sp"
app:layout_constraintLeft_toRightOf="#+id/day"
app:layout_constraintTop_toBottomOf="#+id/starts" />
<TextView
android:id="#+id/start_date"
fontPath="fonts/AvenirNext-Medium.ttf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="42dp"
android:layout_marginStart="42dp"
android:layout_marginTop="8dp"
android:text=" 18:10 Wed, Nov 15"
android:textColor="#color/black"
android:textSize="18sp"
app:layout_constraintLeft_toRightOf="#+id/starts"
app:layout_constraintTop_toBottomOf="#+id/activity_image" />
<TextView
android:id="#+id/textView34"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="50dp"
android:layout_marginStart="50dp"
android:layout_marginTop="7dp"
android:textColor="#color/black"
android:textSize="18sp"
app:layout_constraintLeft_toRightOf="#+id/ends"
app:layout_constraintTop_toBottomOf="#+id/start_date" />
<View
android:id="#+id/view10"
id="#+id/view8"
android:layout_width="0dp"
android:layout_height="1dp"
android:layout_marginTop="16dp"
android:background="#color/thegray"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/linearLayout2" />
<View
android:id="#+id/view9"
android:layout_width="0dp"
android:layout_height="1dp"
android:layout_marginTop="9dp"
android:background="#color/thegray"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView34" />
<LinearLayout
android:id="#+id/linearLayout"
android:layout_width="397dp"
android:layout_height="wrap_content"
android:layout_marginTop="25dp"
android:orientation="horizontal"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView34">
<ImageView
android:id="#+id/requests_image"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_weight="1"
app:srcCompat="#drawable/requestsicon" />
<ImageView
android:id="#+id/invite_image"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_weight="1"
app:srcCompat="#drawable/invitefriends" />
<ImageView
android:id="#+id/recommend_image"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_weight="1"
app:srcCompat="#drawable/recommend" />
<ImageView
android:id="#+id/share_image"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_weight="1"
app:srcCompat="#drawable/shareblue" />
</LinearLayout>
<LinearLayout
android:id="#+id/linearLayout2"
android:layout_width="396dp"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/linearLayout">
<TextView
android:id="#+id/requests_text"
fontPath="fonts/avenir-next-bold.ttf"
android:layout_width="24dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Requests"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="12sp" />
<TextView
android:id="#+id/invite_friends_text"
fontPath="fonts/avenir-next-bold.ttf"
android:layout_width="24dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Invite friends"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="12sp" />
<TextView
android:id="#+id/recommend_event_text"
fontPath="fonts/avenir-next-bold.ttf"
android:layout_width="24dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Recommend"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="12sp" />
<TextView
android:id="#+id/share_text"
fontPath="fonts/avenir-next-bold.ttf"
android:layout_width="24dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Share"
android:textAlignment="center"
android:textColor="#color/black"
android:textSize="12sp" />
</LinearLayout>
<TextView
android:id="#+id/status_text"
fontPath="fonts/avenir-next-bold.ttf"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:paddingLeft="8dp"
android:textColor="#color/dark_gray"
android:textSize="20sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view10" />
<ImageView
android:id="#+id/is_for"
android:layout_width="36dp"
android:layout_height="36dp"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="6dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/status_text"
app:srcCompat="#drawable/maleandfemale" />
<TextView
android:id="#+id/going"
fontPath="fonts/AvenirNext-Medium.ttf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="15dp"
android:text="going"
android:textColor="#color/black"
app:layout_constraintLeft_toRightOf="#+id/is_for"
app:layout_constraintTop_toBottomOf="#+id/status_text" />
<TextView
android:id="#+id/more_togo"
fontPath="fonts/AvenirNext-Medium.ttf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginStart="20dp"
android:layout_marginTop="15dp"
android:text="TextView"
android:textColor="#color/black"
app:layout_constraintLeft_toRightOf="#+id/hor_view"
app:layout_constraintTop_toBottomOf="#+id/status_text" />
<View
android:id="#+id/hor_view"
class="android.support.v4.widget.Space"
android:layout_width="1dp"
android:layout_height="30dp"
android:layout_marginLeft="35dp"
android:layout_marginStart="35dp"
android:layout_marginTop="8dp"
android:background="#color/dark_gray"
app:layout_constraintLeft_toRightOf="#+id/going"
app:layout_constraintTop_toBottomOf="#+id/status_text" />
<android.support.v7.widget.RecyclerView
android:id="#+id/participants_list"
android:layout_width="0dp"
android:layout_height="117dp"
android:layout_marginTop="12dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/hor_view" />
<View
android:id="#+id/view16"
android:layout_width="0dp"
android:layout_height="1dp"
android:layout_marginTop="8dp"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/participants_list" />
<TextView
android:id="#+id/textView47"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="17dp"
android:text="Costs"
android:textSize="18sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view16" />
<TextView
android:id="#+id/cost_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="17dp"
android:text="TextView"
android:textSize="18sp"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view16" />
<View
android:id="#+id/view19"
android:layout_width="0dp"
android:layout_height="1dp"
android:layout_marginTop="55dp"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view16" />
<TextView
android:id="#+id/cost_title_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="13dp"
android:textSize="18sp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view19" />
<View
android:id="#+id/view20"
android:layout_width="0dp"
android:layout_height="1px"
android:layout_marginTop="16dp"
android:background="#color/thegray"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view19" />
<ImageView
android:id="#+id/imageView15"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:padding="8dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view20"
app:srcCompat="#drawable/pinblue" />
<TextView
android:id="#+id/textView50"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="7dp"
android:layout_marginStart="7dp"
android:layout_marginTop="16dp"
android:text="Event location"
android:textColor="#color/colorPrimary"
android:textSize="18sp"
app:layout_constraintLeft_toRightOf="#+id/imageView15"
app:layout_constraintTop_toBottomOf="#+id/view20" />
<ImageView
android:id="#+id/imageView5"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:padding="8dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView50"
app:srcCompat="#drawable/background" />
</android.support.constraint.ConstraintLayout>
</android.support.v4.widget.NestedScrollView>
<android.support.v7.widget.CardView
android:layout_width="0dp"
android:layout_height="60dp"
android:layout_marginBottom="29dp"
android:layout_marginEnd="40dp"
android:layout_marginLeft="40dp"
android:layout_marginRight="40dp"
android:layout_marginStart="40dp"
app:cardBackgroundColor="#color/colorPrimary"
app:cardCornerRadius="18dp"
app:cardElevation="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:text="REQUEST TO JOIN"
android:textColor="#android:color/white"
android:textSize="14dp" />
</android.support.v7.widget.CardView>
</android.support.constraint.ConstraintLayout>
Someone pleeeease for the love of god explain this sh*t to me.

Try adding setNestedScrollingEnabled(false) to your inner recyclerview.
https://developer.android.com/reference/android/support/v7/widget/RecyclerView.html
setNestedScrollingEnabled
Enable or disable nested scrolling for this view.
If this property is set to true the view will be permitted to initiate
nested scrolling operations with a compatible parent view in the
current hierarchy. If this view does not implement nested scrolling
this will have no effect. Disabling nested scrolling while a nested
scroll is in progress has the effect of stopping the nested scroll.

1)xml
android.support.v4.widget.NestedScrollView
inner use LinerLayout
2)
recyclerView = (RecyclerView)view.findViewById(R.id.recyclerview_main);
recyclerView.setNestedScrollingEnabled(false);

If someone still facing this issue, please take care of 2 things:
Your NestedScrollView height should be match_parent. If you are using NestedScrollView inside ConstraintLayout you can achive this by following line of code
android:layout_height="0dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
Add below line in your RecyclerView
android:nestedScrollingEnabled="false"
I hope it will save others time.

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