vertical alignment of the text views of different linear layouts

vertical alignment of the text views of different linear layouts - android

I am trying to create a screen that shows the details of the students. The following is my xml code for that screen.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
tools:context=".PatientDetails">
<LinearLayout
android:id="#+id/ll1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_weight="3"
android:background="#color/BackgroundColor">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1">
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Details"
android:textColor="#color/white"
android:textSize="30dp"
android:gravity="center"/>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/ll2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:background="#color/white">
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="16dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal"
android:layout_marginTop="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Student Name"
android:textSize="20dp"
android:layout_weight="1"
android:textColor="#color/BackgroundColor"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/PatientName"
android:text="Joseph"
android:layout_weight="1"
android:textSize="20dp"
android:textColor="#color/BackgroundColor"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal"
android:layout_marginTop="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Age"
android:textSize="20dp"
android:layout_weight="1"
android:textColor="#color/BackgroundColor"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/age"
android:text="21"
android:layout_weight="1"
android:textSize="20dp"
android:textColor="#color/BackgroundColor"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal"
android:layout_marginTop="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Sex"
android:textSize="20dp"
android:layout_weight="1"
android:textColor="#color/BackgroundColor"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/Sex"
android:text="Female"
android:layout_weight="1"
android:textSize="20dp"
android:textColor="#color/BackgroundColor"/>
</LinearLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
</LinearLayout>
The output of the code is as follows:
Can someone tell me how to modify the code so that the values on the right hand side of each row are aligned properly.

Row example:
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="16dp"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Student Name"
android:textColor="#color/BackgroundColor"
android:textSize="20dp" />
<TextView
android:id="#+id/PatientName"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Joseph"
android:textColor="#color/BackgroundColor"
android:textSize="20dp" />
</LinearLayout>
Remove android:layout_weight="1" from row root. Change android:layout_width="wrap_content" to android:layout_width="0dp"

Sample
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:orientation="horizontal"
android:weightSum="2">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:layout_weight="1"
android:text="Student Name"
android:textColor="#color/pika_bg"
android:textSize="20dp" />
<TextView
android:id="#+id/PatientName"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingLeft="5dp"
android:text="Joseph"
android:textColor="#color/pika_bg"
android:textSize="20dp" />
</LinearLayout>
Here I am added android:weightSum="2"to the parent LinearLayout. So that the child views can get same width. Then we can adjust padding/gravity attributes according to your needs.

I think you use linear layout but linear layout have also one property its called layout_weight i think you should use this.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:text="Test" />
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:text="Test" />
</LinearLayout>

Related

When TextView expanded below linerview is disappear

I have a problem when my TextView expanded with many texts the items below the TextView is disappeared.
I am talking about the TextView with ID: tvPostBody
I added ScrolleView to make sure the text will display completely if the text is more than max lines of TextView
Here is my XML file code:
<?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:layout_marginTop="10dp"
android:layout_marginBottom="10dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
tools:context="com.atjt.login.DisplayOnePost">
<LinearLayout
android:layout_width="368dp"
android:layout_height="495dp"
android:orientation="vertical"
tools:layout_editor_absoluteX="3dp"
tools:layout_editor_absoluteY="-2dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:id="#+id/ivUserImage"
android:layout_width="108dp"
android:layout_height="127dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:layout_marginBottom="5dp"
android:layout_weight="0.13"
android:cropToPadding="true"
android:padding="1dp"
android:scaleType="centerCrop"
app:srcCompat="#mipmap/no_image" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginLeft="10dp"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="#+id/tvUserFullName"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="1"
android:text="User Full Name"
android:textAlignment="viewEnd" />
<TextView
android:id="#+id/tvPostTitle"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="1"
android:lineSpacingExtra="8sp"
android:text="Post Title in Full"
android:textColor="#android:color/background_dark"
android:textDirection="rtl"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ScrollView
android:id="#+id/SCROLLER_ID"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical"
android:fillViewport="true">
<TextView
android:id="#+id/tvPostBody"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:layout_weight="1"
android:text="TextView" />
</ScrollView>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="7dp"
android:orientation="horizontal">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginRight="10dp"
android:orientation="horizontal">
<TextView
android:id="#+id/tvNumberOfReplies"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="5dp"
android:layout_weight="1"
android:text="0" />
<TextView
android:id="#+id/tvReply"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Reply" />
<TextView
android:id="#+id/textView8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_weight="1"
android:text="|" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/tvNumberOfViews"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="5dp"
android:layout_weight="1"
android:text="0" />
<TextView
android:id="#+id/tvViews"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Views" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/tvDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="105dp"
android:layout_weight="1"
android:text="15-12-2017" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
</android.support.constraint.ConstraintLayout>
Any suggestions,

Problem is
<ScrollView
android:id="#+id/SCROLLER_ID"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical"
android:fillViewport="true">
Here, height is specified as wrap_content and therefore, it may fill entire below area and view below it may not be visible.
You need to specify some height for this so that you views below it are always visible.

My ListView is hiding behind my parent layout when visibility is set to View.GONE

I am trying to set my list view when I click on image, it should be hidden or shown but the problem is that when I inflate my list view in my activity, it is hiding behind and not taking complete space. When I perform on click event it opens behind the parent layout.
SNAPSHOT
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/scroll_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
android:orientation="vertical"
tools:context="com.bitblue.dextronewproject.Avtivity.ReportActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:id="#+id/main_linear_layout">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:gravity="center"
android:text="Fees History"
android:textSize="20sp"
android:typeface="monospace" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_margin="5dp"
android:background="#color/studentlogin" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Receipt"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Amount"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Date"
android:typeface="monospace" />
</LinearLayout>
<LinearLayout
android:id="#+id/ll_2"
android:layout_below="#+id/ll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TableLayout
android:id="#+id/r_tablelayoutRAD"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical">
</TableLayout>
<ImageView
android:id="#+id/drop"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="5.5"
android:src="#drawable/ic_drop_down_round_button" />
</LinearLayout>
<ListView
android:layout_below="#id/ll_2"
android:id="#+id/lisstview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
</ListView>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:text="Unpaid"
android:textSize="20sp"
android:typeface="monospace" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingLeft="30dp"
android:text="Type"
android:textSize="15dp"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingLeft="30dp"
android:text="Amount"
android:textSize="15dp"
android:typeface="monospace" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_margin="5dp"
android:background="#color/studentlogin" />
<ListView
android:layout_width="match_parent"
android:id="#+id/un_paid_list_view"
android:layout_height="wrap_content">
</ListView>
</LinearLayout>
</RelativeLayout>
Your effort is appreciable.Thanks in andvance

Your parent layouts are not matching. You have used layout_below in LinearlLayout where the parent is not RelativeLayout. Check the hierarchy of the layouts in your layout.
Try this:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/scroll_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
android:orientation="vertical"
tools:context="com.bitblue.dextronewproject.Avtivity.ReportActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:text="Fees History"
android:textSize="20sp"
android:typeface="monospace"
android:id="#+id/textView1"/>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_margin="5dp"
android:background="#color/studentlogin"
android:layout_below="#+id/textView1"
android:id="#+id/view1"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_below="#+id/view1"
android:id="#+id/ll1">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Receipt"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Amount"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Date"
android:typeface="monospace" />
</LinearLayout>
<LinearLayout
android:id="#+id/ll_2"
android:layout_below="#+id/ll1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TableLayout
android:id="#+id/r_tablelayoutRAD"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical">
</TableLayout>
<ImageView
android:id="#+id/drop"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="5.5"
android:src="#drawable/ic_drop_down_round_button" />
</LinearLayout>
<ListView
android:layout_below="#+id/ll_2"
android:id="#+id/lisstview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:text="Unpaid"
android:textSize="20sp"
android:typeface="monospace"
android:layout_below="#+id/lisstview"
android:id="#+id/textView2"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_below="#+id/textView2"
android:id="#+id/ll3">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingLeft="30dp"
android:text="Type"
android:textSize="15dp"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingLeft="30dp"
android:text="Amount"
android:textSize="15dp"
android:typeface="monospace" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_margin="5dp"
android:background="#color/studentlogin"
android:layout_below="#+id/ll3"
android:id="#+id/view3"/>
<ListView
android:layout_width="match_parent"
android:id="#+id/un_paid_list_view"
android:layout_height="wrap_content"
android:layout_below="#+id/ll3"/>

How to Align an ImageView to the right side?

I want to set an imageview to the right side inside the cardview but aligning is not working... please suggest me
Layout
<FrameLayout
android:id="#+id/framelayout"
android:layout_height="match_parent"
android:layout_width="match_parent"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/lin1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="05dp"
android:layout_marginTop="15dp"
android:id="#+id/casardviewvisit">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#482048"
android:orientation="horizontal">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/omg"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:textColor="#fff"
android:textStyle="bold"
android:layout_marginLeft="20dp"
android:layout_gravity="center"
android:text="Add Order"/>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/sent"
android:layout_gravity="right"
android:id="#+id/imageButtsdon" />
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
</framelayout>
Like this way i am trying but it is not working and i don't know why this is not working

Please use this code to set Imageview to right side inside CardView, just using the Relative layout.
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/casardviewvisit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="05dp"
android:layout_marginTop="15dp">
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#482048">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginLeft="20dp"
android:text="Add Order"
android:textColor="#fff"
android:textSize="20dp"
android:textStyle="bold" />
<ImageButton
android:id="#+id/imageButtsdon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_gravity="right"
android:src="#drawable/beautiful" />
</RelativeLayout>
</android.support.v7.widget.CardView>

Use RelativeLayout instead of LinearLayout
and add
android:layout_alignParentRight="true"
to the ImageView
thats all !!

Make your TextView stretched by doing
android:layout_width="0dp"
android:layout_weight="1"

You can use following code.
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="05dp"
android:layout_marginTop="15dp"
android:id="#+id/casardviewvisit">
<LinearLayout
android:weightSum="1"
android:gravity="center"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#482048"
android:orientation="horizontal">
<ImageView
android:layout_weight=".2"
android:layout_width="0dp"
android:layout_height="50dp"
android:src="#drawable/test"/>
<TextView
android:layout_weight=".5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:textSize="20dp"
android:textColor="#fff"
android:textStyle="bold"
android:layout_marginLeft="20dp"
android:layout_gravity="center"
android:text="Add Order"/>
<ImageView
android:layout_weight=".2"
android:layout_width="0dp"
android:layout_height="50dp"
android:src="#drawable/test"
android:layout_gravity="right"
android:id="#+id/imageButtsdon" />
</LinearLayout>
</android.support.v7.widget.CardView>
You can copy and paste it your xml file

Just use simple gravity for your image view.
<FrameLayout
android:id="#+id/framelayout"
android:layout_height="match_parent"
android:layout_width="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/lin1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="05dp"
android:layout_marginTop="15dp"
android:id="#+id/casardviewvisit">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#482048"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:textColor="#fff"
android:textStyle="bold"
android:layout_marginLeft="20dp"
android:layout_gravity="center"
android:text="Add Order"/>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/sent"
android:layout_gravity="right"
android:id="#+id/imageButtsdon" />
</LinearLayout>
<ImageView
android:layout_width="wrap_content"
android:layout_gravity="end"
android:layout_height="match_parent"
android:layout_marginRight="16dp"
android:src="#drawable/omg"/>
</android.support.v7.widget.CardView>
</LinearLayout>
</LinearLayout>
</FrameLayout>

Please check the following xml.
<FrameLayout
android:id="#+id/framelayout"
android:layout_height="match_parent"
android:layout_width="match_parent"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/lin1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="05dp"
android:layout_marginTop="15dp"
android:id="#+id/casardviewvisit">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#482048"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:background="#482048"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:textColor="#fff"
android:textStyle="bold"
android:layout_marginLeft="20dp"
android:layout_gravity="center"
android:text="Add Order"/>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/sent"
android:layout_gravity="right"
android:id="#+id/imageButtsdon" />
</LinearLayout>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/omg"/>
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
</framelayout>

Inside the Cardview, the container LinearLayout just give Weightsum of 1 and give both the Imageviews a weight of .25 and textview a weight of .5 as shown below
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/casardviewvisit"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="05dp"
android:layout_marginTop="15dp" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#482048"
android:orientation="horizontal"
android:weightSum="1" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight=".25"
android:src="#drawable/omg" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginLeft="20dp"
android:layout_weight=".5"
android:text="Add Order"
android:textColor="#fff"
android:textSize="20dp"
android:textStyle="bold" />
<ImageButton
android:id="#+id/imageButtsdon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:layout_weight=".2"
android:src="#drawable/sent" />
</LinearLayout>
</android.support.v7.widget.CardView>

Multiple Radio Buttons Get selected

I have made a radiogroup and inside it I have made two linear layouts and in each linear layout I have added two radio buttons.
But the problem is when I run the app multiple radio buttons get selected i.e. they aren't acting mutually exclusive.
Following is my XML file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:id="#+id/activity_simple_maths_game"
android:layout_width="match_parent" android:layout_height="match_parent"
android:paddingBottom="#dimen/activity_vertical_margin" android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin" android:paddingTop="#dimen/activity_vertical_margin"
tools:context="com.example.root.mysimplemathsgame.SimpleMathsGame" android:background="#000"
android:orientation="vertical" android:baselineAligned="false">
<LinearLayout
android:layout_weight="0.4" android:orientation="horizontal"
android:layout_width="match_parent" android:layout_height="0dp">
<TextView
android:text="#string/mytext" android:id="#+id/tvText"
android:layout_width="wrap_content" android:layout_height="0dp"
android:layout_weight="0.87" android:textColor="#fff"
android:textAppearance="#style/TextAppearance.AppCompat.Large" android:padding="20dp"
android:gravity="center_vertical" android:layout_gravity="center_vertical"
android:textSize="32sp" />
<LinearLayout
android:layout_weight="1" android:background="#fff"
android:layout_width="match_parent" android:layout_height="0dp"
android:orientation="horizontal">
<RadioGroup
android:paddingLeft="30dp" android:id="#+id/rgOptions"
android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout
android:layout_weight="1" android:orientation="horizontal"
android:layout_width="match_parent" android:layout_height="0dp">
<RadioButton
android:layout_weight="1" android:textColor="#000"
android:id="#+id/rb1" android:text="#string/answer1"
android:layout_width="0dp" android:layout_height="match_parent" />
<RadioButton
android:layout_weight="1" android:textColor="#000"
android:id="#+id/rb2" android:text="#string/answer2"
android:layout_width="0dp" android:layout_height="match_parent" />
</LinearLayout>
<LinearLayout
android:layout_weight="1" android:orientation="horizontal"
android:layout_width="match_parent" android:layout_height="0dp">
<RadioButton
android:textColor="#000"
android:layout_weight="1" android:layout_gravity="start"
android:id="#+id/rb3" android:text="#string/answer3"
android:layout_width="0dp" android:layout_height="match_parent" />
<RadioButton
android:textColor="#000"
android:layout_weight="1" android:layout_gravity="end"
android:id="#+id/rb4" android:text="#string/answer4"
android:layout_width="0dp" android:layout_height="match_parent" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent" android:layout_height="wrap_content">
<Button
android:layout_weight="1"
android:text="#string/end" android:id="#+id/bEnd" android:layout_gravity="center_horizontal"
android:layout_width="match_content" android:layout_height="wrap_content" />
</LinearLayout>

RadioGroup is a subclass of Linearlayout. RadioGroup can contain only RadioButton as immediate child for its to work as a group . If you put a layout inside it then will work just as a layout and multiple Radiobuttons can be selected . So the answer to the question remove the LinearLayout . If you want orientation RadioGroup has Orientation attribute inside it you can directly add Orientation inside RadioGroup.

Try This One....
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/activity_simple_maths_game"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:baselineAligned="false"
android:orientation="vertical"
android:weightSum="2">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:orientation="horizontal">
<TextView
android:id="#+id/tvText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:gravity="center_vertical"
android:padding="20dp"
android:text="My Text"
android:textAppearance="#style/TextAppearance.AppCompat.Large"
android:textColor="#000"
android:textSize="32sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal">
<RadioGroup
android:id="#+id/rgOptions"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="30dp">
<RadioButton
android:id="#+id/rb1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="answer1"
android:textColor="#000" />
<RadioButton
android:id="#+id/rb2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="answer1"
android:textColor="#000" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="vertical">
<RadioButton
android:id="#+id/rb3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="answer1"
android:textColor="#000" />
<RadioButton
android:id="#+id/rb4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="answer1"
android:textColor="#000" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:orientation="horizontal">
<Button
android:id="#+id/bEnd"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_weight="1"
android:text="end" />
</LinearLayout>

Nesting RelativeLayouts within LinearLayout

I am trying to achieve the following layout in Android with the main heading at the top and three subheadings spaced equally apart below, with some buttons below that:
I was able to accomplish this with the following XML, but I feel like I am not using the RelativeLayout and LinearLayout properly:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#cfff"
android:orientation="vertical"
tools:context=".MainActivity">
<TextView
android:id="#+id/text_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1"
android:text="Title"
android:textSize="80sp"/>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_weight=".5">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="#+id/text_caption1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Subheading"
android:gravity="center"
android:textSize="18sp"/>
<TextView
android:id="#+id/text_number1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/text_caption1"
android:text="1"
android:layout_weight="1"
android:textSize="80sp"
android:gravity="center"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="#+id/text_caption2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Subheading"
android:gravity="center"
android:textSize="18sp"/>
<TextView
android:id="#+id/text_number2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/text_caption2"
android:text="10"
android:layout_weight="1"
android:textSize="80sp"
android:gravity="center"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="#+id/text_caption3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Subheading"
android:gravity="center"
android:textSize="18sp"/>
<TextView
android:id="#+id/text_sets"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/text_caption3"
android:text="3"
android:layout_weight="1"
android:textSize="80sp"
android:gravity="center"/>
</RelativeLayout>
</LinearLayout>
<!-- Button1 -->
<Button
android:id="#+id/button1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="0"
android:text="Button1"
android:textSize="20sp"/>
<!-- Button2 -->
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0"
android:text="Button2"
android:textSize="20sp" />
</LinearLayout>
I'm focusing somewhat on the Subheading portion, although any suggestions on the overall layout would be welcome. So I used 3 different RelativeLayouts to put the "Subheading" captions with their respective numbers, and nested those within a horizontal LinearLayout to get them spaced next to each other horizontally.
This seems to be creating a bit of a problem, since Android Studio is complaining that my use of layout_weight within nested layouts is bad for performance. When I get rid of the layout_weight however, everything falls apart and I only see the "Title" and one subheading. I'm also wondering whether I could have accomplished this more elegantly with just one RelativeLayout and no nesting, but I can't see how to code something like this without the use of a LinearLayout.
Thanks in advance for any suggestions!

Yes,you can accomplish this more elegantly with just one RelativeLayout and no nesting
I hope this is what you are looking for
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#cfff"
tools:context=".MainActivity">
<TextView
android:id="#+id/text_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="Title"
android:textSize="80sp" />
<TextView
android:id="#+id/text_caption1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#id/text_number1"
android:text="Subheading"
android:textSize="18sp" />
<TextView
android:id="#+id/text_number1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:gravity="left"
android:text="1"
android:textSize="80sp" />
<TextView
android:id="#+id/text_caption2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#id/text_number2"
android:gravity="center"
android:text="Subheading"
android:textSize="18sp" />
<TextView
android:id="#+id/text_number2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:gravity="center"
android:text="2"
android:textSize="80sp" />
<TextView
android:id="#+id/text_caption3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#id/text_number3"
android:gravity="right"
android:text="Subheading"
android:textSize="18sp" />
<TextView
android:id="#+id/text_number3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:gravity="right"
android:text="3"
android:textSize="80sp" />
<Button
android:id="#+id/button1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#+id/button2"
android:text="Button1"
android:textSize="20sp" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="Button2"
android:textSize="20sp" />
</RelativeLayout>

try this one...
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="10">
<TextView
android:layout_width="wrap_content"
android:layout_height="0dip"
android:layout_weight="5"
android:text="TITLE"
android:layout_gravity="center"
android:gravity="center"
android:textSize="45sp"
android:id="#+id/textView64" />
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:weightSum="10">
<LinearLayout
android:orientation="vertical"
android:layout_width="0dip"
android:layout_weight="3.25"
android:gravity="center"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Subheading"
android:id="#+id/textView66" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="1"
android:textSize="50sp"
android:id="#+id/textView67" />
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_weight="3.5"
android:gravity="center"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SubHeading"
android:id="#+id/textView68" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="2"
android:textSize="50sp"
android:id="#+id/textView69" />
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="0dip"
android:layout_weight="3.25"
android:gravity="center"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SubHeading"
android:id="#+id/textView70" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="3"
android:textSize="50sp"
android:id="#+id/textView71" />
</LinearLayout>
</LinearLayout>
<Button
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="0.8"
android:text="New Button"
android:id="#+id/button"
android:layout_gravity="center_horizontal" />
<Button
android:layout_width="wrap_content"
android:layout_height="0dip"
android:layout_weight="0.8"
android:text="New Button"
android:id="#+id/button1"
/>

Change android:weightSum and android:layout_weight acoording to your required ratio...
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#cfff"
android:orientation="vertical"
tools:context=".MainActivity"
android:weightSum="4">
<TextView
android:id="#+id/text_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1.5"
android:text="Title"
android:textSize="80sp"/>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_weight="1.5"
android:weightSum="3">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="#+id/text_caption1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Subheading"
android:gravity="center"
android:textSize="18sp"/>
<TextView
android:id="#+id/text_number1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/text_caption1"
android:text="1"
android:layout_weight="1"
android:textSize="80sp"
android:gravity="center"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="#+id/text_caption2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Subheading"
android:gravity="center"
android:textSize="18sp"/>
<TextView
android:id="#+id/text_number2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/text_caption2"
android:text="10"
android:layout_weight="1"
android:textSize="80sp"
android:gravity="center"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<TextView
android:id="#+id/text_caption3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Subheading"
android:gravity="center"
android:textSize="18sp"/>
<TextView
android:id="#+id/text_sets"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#id/text_caption3"
android:text="3"
android:layout_weight="1"
android:textSize="80sp"
android:gravity="center"/>
</RelativeLayout>
</LinearLayout>
<!-- Button1 -->
<Button
android:id="#+id/button1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Button1"
android:layout_weight=".5"
android:textSize="20sp"/>
<!-- Button2 -->
<Button
android:id="#+id/button2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:text="Button2"
android:textSize="20sp" />
</LinearLayout>

Develop Reference

The Android operating system is a mobile operating system that was developed by Google (GOOGL?) to be primarily used for touchscreen devices, cell phones, and tablets.

vertical alignment of the text views of different linear layouts - android

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Nesting RelativeLayouts within LinearLayout

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