Logcat error: IllegalArgumentException

Logcat error: IllegalArgumentException - android

When I run my app, I get the logcat error as follows:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.enxin.crystallise, PID: 14868
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.enxin.crystallise/com.example.enxin.crystallise.Help}: android.view.InflateException: Binary XML file line #32: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2184)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5001)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #32: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.example.enxin.crystallise.Help.onCreate(Help.java:11)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233) 
at android.app.ActivityThread.access$800(ActivityThread.java:135) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5001) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.IllegalArgumentException: Binary XML file line #32: Must specify unique android:id, android:tag, or have a parent with an id for com.example.enxin.crystallise.HelpFragment
at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2260)
at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:120)
at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:356)
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:79)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:689)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at com.example.enxin.crystallise.Help.onCreate(Help.java:11) 
at android.app.Activity.performCreate(Activity.java:5231) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233) 
at android.app.ActivityThread.access$800(ActivityThread.java:135) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5001) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515)
Here's the code where my error lies in:
public class Help extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_help);
}
}
activity_fragment.xml
<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: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.enxin.crystallise.Help">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="#string/title_help"
android:id="#+id/title_help"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="#string/subtitle_help"
android:id="#+id/subtitle_help"
android:layout_below="#+id/title_help"
android:layout_centerHorizontal="true"
android:layout_marginTop="12dp" />
<fragment
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:name="com.example.enxin.crystallise.HelpFragment"
android:layout_below="#+id/subtitle_help"
android:layout_centerHorizontal="true"
android:layout_marginTop="36dp"
tools:layout="#layout/fragment_help" />
</RelativeLayout>
fragment_helo.xml
<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">
<!-- TODO: Update blank fragment layout -->
<TextView
android:id="#+id/help1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/help1"
android:textAppearance="?android:attr/textAppearanceLarge"
android:layout_gravity="center_horizontal|top"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
<TextView
android:id="#+id/help2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/help2"
android:textAppearance="?android:attr/textAppearanceMedium"
android:layout_below="#+id/help1"
android:layout_marginTop="10dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/help3"
android:textAppearance="?android:attr/textAppearanceMedium"
android:layout_below="#+id/help2"
android:layout_marginTop="10dp" />
HelpFragment.java
package com.example.enxin.crystallise;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.example.enxin.crystallise.R;
public class HelpFragment extends Fragment {
public HelpFragment() {
// Required empty public constructor
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_help, container, false);
}
}
When I request to see the error, the line setContentView is highlighted. I'm new to Android Studio so please help!

The error is not in your Java class, it's located in the XML file where you have declared the layout for the View.
It must have problem with id or tag, be sure to check all the attributes are as required per the standards.
And also, post the code of that file.(XML file containing the fragment)

I think the problem in fragment_help.xml, You forgot to close RelativeLayout tag.
Just put </RelativeLayout> end of the layout file.
Hope it will help you :)

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Following is the complete stack trace of my code:
please help me to get out of this error
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.lenovo.jdstudio, PID: 7912
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.lenovo.jdstudio/com.example.lenovo.jdstudio.MainActivity}: android.view.InflateException: Binary XML file line #0: Error inflating class android.support.design.widget.NavigationView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2377)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2429)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1342)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5333)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class android.support.design.widget.NavigationView
at android.view.LayoutInflater.createView(LayoutInflater.java:620)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.example.lenovo.jdstudio.MainActivity.onCreate(MainActivity.java:16)
at android.app.Activity.performCreate(Activity.java:5343)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1088)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2331)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2429) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1342) 
at android.os.Handler.dispatchMessage(Handler.java:110) 
at android.os.Looper.loop(Looper.java:193) 
at android.app.ActivityThread.main(ActivityThread.java:5333) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
at com.example.lenovo.jdstudio.MainActivity.onCreate(MainActivity.java:16) 
at android.app.Activity.performCreate(Activity.java:5343) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1088) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2331) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2429) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1342) 
at android.os.Handler.dispatchMessage(Handler.java:110) 
at android.os.Looper.loop(Looper.java:193) 
at android.app.ActivityThread.main(ActivityThread.java:5333) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x12
at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:464)
at android.view.ViewGroup$MarginLayoutParams.<init>(ViewGroup.java:6402)
at android.widget.LinearLayout$LayoutParams.<init>(LinearLayout.java:2048)
at android.widget.LinearLayout.generateLayoutParams(LinearLayout.java:1960)
at android.widget.LinearLayout.generateLayoutParams(LinearLayout.java:61)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:757)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.support.design.internal.NavigationMenuPresenter.inflateHeaderView(NavigationMenuPresenter.java:211)
at android.support.design.widget.NavigationView.inflateHeaderView(NavigationView.java:267)
at android.support.design.widget.NavigationView.<init>(NavigationView.java:176)
at android.support.design.widget.NavigationView.<init>(NavigationView.java:98)
at java.lang.reflect.Constructor.constructNative(Native Method) 
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 
at android.view.LayoutInflater.createView(LayoutInflater.java:594) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
at com.example.lenovo.jdstudio.MainActivity.onCreate(MainActivity.java:16) 
at android.app.Activity.performCreate(Activity.java:5343) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1088) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2331) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2429) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1342) 
at android.os.Handler.dispatchMessage(Handler.java:110) 
at android.os.Looper.loop(Looper.java:193) 
at android.app.ActivityThread.main(ActivityThread.java:5333) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644) 
at dalvik.system.NativeStart.main(Native Method) 
D/dalvikvm: threadid=11: exiting
D/dalvikvm: threadid=11: bye!
Application terminated.
Following is my navigation_header.xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/colorPrimary">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="20dp">
<ImageView
android:id="#+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="20dp"
android:layout_marginRight="#id/textView"
app:srcCompat="#mipmap/ic_home_white_24dp" />
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="20dp"
android:layout_toEndOf="#+id/imageView2"
android:text="Home"
android:textAlignment="center"
android:textColor="#ffffff"
android:textSize="17sp" />
</LinearLayout>
</LinearLayout>
Following is my MainActivity.java
package com.example.lenovo.jdstudio;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.MenuItem;
public class MainActivity extends AppCompatActivity {
private DrawerLayout mDrawerLayout ;
private ActionBarDrawerToggle mToggle;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mDrawerLayout =(DrawerLayout) findViewById(R.id.drawer_layout);
mToggle = new ActionBarDrawerToggle(this,mDrawerLayout,R.string.open,R.string.close);
mDrawerLayout.addDrawerListener(mToggle);
mToggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
if(mToggle.onOptionsItemSelected(item))
{
return true;
}
return super.onOptionsItemSelected(item);
}
}

Try this remove android:layout_marginRight="#id/textView" from your ImageView and apply margin in DP
<ImageView
android:id="#+id/imageView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="20dp"
android:layout_marginRight="20dp"
app:srcCompat="#mipmap/ic_home_white_24dp" />

you have putted view id on margin
putting dp on margin will may solve your problem

Caused by: java.lang.reflect.InvocationTargetException [duplicate]

This question already has answers here:
How to solve java.lang.OutOfMemoryError trouble in Android
(7 answers)
Closed 6 years ago.
my activity is continuously crashing, this just shows only text on UI, please tell me what I am doing wrong.This is showing error in XML file but according to me the XML file is fine, I am not able to find the bug in XML file.
Here is my code
public class PlacedOrderConfirmation extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.place_order_confirmation);
TextView placed_successful_txt= (TextView)findViewById(R.id.placed_successful_txt);
Intent intent = getIntent();
String edit_order_id = intent.getStringExtra("EDIT_OR_PLACE") != null ? intent.getStringExtra("EDIT_OR_PLACE") : "";
if(edit_order_id!=null && edit_order_id.length()>0){
placed_successful_txt.setText("YOUR ORDER HAS BEEN\nUPDATED SUCCESSFULLY");
}
Button notification_icon = (Button) findViewById(R.id.notification_icon);
ImageView btnContinue = (ImageView) findViewById(R.id.cont);
notification_icon.getLayoutParams().height = (int) (Utility.getDeviceHeight(this) * .04);
notification_icon.getLayoutParams().width = (int) (Utility.getDeviceHeight(this) * .04);
btnContinue.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent intent = new Intent(PlacedOrderConfirmation.this, ContractorDashboard.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
finish();
}
});
}
}
the XML file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/bg_summary"
android:orientation="vertical">
<RelativeLayout
android:id="#+id/header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/colorAccent"
android:padding="10dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="#string/confirmation"
android:textColor="#color/white"
android:textSize="#dimen/medium_text" />
<Button
android:id="#+id/notification_icon"
android:layout_width="wrap_content"
android:visibility="invisible"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginRight="10dp"
android:layout_centerVertical="true"
android:background="#drawable/notification_icon" />
</RelativeLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/congratulation"
android:textSize="42sp"
android:textStyle="bold"
android:textColor="#color/white"
android:layout_gravity="center_horizontal"
android:layout_marginTop="100dp"/>
<TextView
android:id="#+id/placed_successful_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/orderplaced"
android:textSize="#dimen/text_large"
android:textStyle="bold"
android:layout_margin="20dp"
android:textColor="#color/green"
android:layout_gravity="center_horizontal"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/emailsent"
android:textSize="#dimen/text_small"
android:layout_marginTop="20dp"
android:textColor="#color/gray_base"
android:gravity="center_horizontal"
android:layout_gravity="center_horizontal"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginTop="40dp"
android:text="#string/click"
android:textSize="#dimen/text_large"
android:layout_centerVertical="true"
android:textColor="#color/white"
/>
<ImageView
android:layout_width="70dp"
android:layout_height="35dp"
android:id="#+id/cont"
android:layout_marginTop="10dp"
android:background="#drawable/forward_arrow"
android:layout_gravity="center_horizontal"
/>
</LinearLayout>
This is the logcat
10-20 10:48:08.394 24918-24918/com.loadarmy E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.loadarmy, PID: 24918
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.loadarmy/com.loadarmy.contractor.PlacedOrderConfirmation}: android.view.InflateException: Binary XML file line #89: Error inflating class <unknown>
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2200)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2249)
at android.app.ActivityThread.access$800(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1212)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5113)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:796)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:612)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #89: Error inflating class <unknown>
at android.view.LayoutInflater.createView(LayoutInflater.java:623)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:672)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758)
at android.view.LayoutInflater.inflate(LayoutInflater.java:495)
at android.view.LayoutInflater.inflate(LayoutInflater.java:400)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
at android.app.Activity.setContentView(Activity.java:1940)
at com.loadarmy.contractor.PlacedOrderConfirmation.onCreate(PlacedOrderConfirmation.java:19)
at android.app.Activity.performCreate(Activity.java:5242)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2164)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2249) 
at android.app.ActivityThread.access$800(ActivityThread.java:141) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1212) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5113) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:796) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:612) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:597)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:672) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:495) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:400) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290) 
at android.app.Activity.setContentView(Activity.java:1940) 
at com.loadarmy.contractor.PlacedOrderConfirmation.onCreate(PlacedOrderConfirmation.java:19) 
at android.app.Activity.performCreate(Activity.java:5242) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2164) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2249) 
at android.app.ActivityThread.access$800(ActivityThread.java:141) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1212) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5113) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:796) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:612) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.OutOfMemoryError
at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:601)
at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:434)
at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:840)
at android.content.res.Resources.createFromResourceStream(Resources.java:2503)
at android.content.res.Resources.loadDrawable(Resources.java:2155)
at android.content.res.MiuiResources.loadDrawable(MiuiResources.java:393)
at android.content.res.Resources.loadDrawable(Resources.java:2062)
at android.content.res.TypedArray.getDrawable(TypedArray.java:602)
at android.view.View.<init>(View.java:3558)
at android.widget.ImageView.<init>(ImageView.java:123)
at android.widget.ImageView.<init>(ImageView.java:119)
at java.lang.reflect.Constructor.constructNative(Native Method) 
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 
at android.view.LayoutInflater.createView(LayoutInflater.java:597) 
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:672) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:495) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:400) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290) 
at android.app.Activity.setContentView(Activity.java:1940) 
at com.loadarmy.contractor.PlacedOrderConfirmation.onCreate(PlacedOrderConfirmation.java:19) 
at android.app.Activity.performCreate(Activity.java:5242) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2164) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2249) 
at android.app.ActivityThread.access$800(ActivityThread.java:141) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1212) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5113) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:796) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:612) 
at dalvik.system.NativeStart.main(Native Method)

You set background images to your LinearLayout and Button of your xml. one of those images are giving OutOfMemoryError try reducing size of your image or change it.

You are getting OutOfMemoryError
Thrown when the Java Virtual Machine cannot allocate an object because
it is out of memory, and no more memory could be made available by the
garbage collector.
This error showing when the application attempts to add more data into the heap space area, but there is not enough room for it.
Reduce Image Resolution at first and set android:largeHeap="true" in your manifest .

My android app crashes everytime in ADT API:23

Project name:Fragment2
ADT 2.1.3
AVD API:23
WINDOWS 10
MainActivity.java:
package com.example.deepaksingh.fragment2;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}
activity_main.xml:
<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" >
<fragment
android:id="#+id/fragment2"
android:name="com.example.deepaksingh.fragment2.Fragment2"
android:layout_width="10dp"
android:layout_height="match_parent"
android:layout_weight="1"
tools:layout="#layout/fragment2" />
<fragment
android:id="#+id/fragment1"
android:name="com.example.deepaksingh.fragment2.Fragment1"
android:layout_width="10dp"
android:layout_height="match_parent"
android:layout_weight="1"
tools:layout="#layout/fragment1" />
</LinearLayout>
Fragment1.java:
package com.example.deepaksingh.fragment2;
import android.os.Bundle;
import android.view.ViewGroup;
import android.view.View;
import android.view.LayoutInflater;
import android.app.Fragment;
public class Fragment1 extends Fragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
return inflater.inflate(R.layout.fragment1,container, false);
}
}
fragment1.xml
<?xml version="1.0" encoding="utf-8" ?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#0000ff"
>
<TextView
android:id="#+id/textview1"
android:text="#string/first_fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</LinearLayout>
Fragment2.java
package com.example.deepaksingh.fragment2;
import android.os.Bundle;
import android.view.ViewGroup;
import android.view.View;
import android.view.LayoutInflater;
import android.app.Fragment;
public class Fragment2 extends Fragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
return inflater.inflate(R.layout.fragment2,container, false);
}
}
fragment2.xml
<?xml version="1.0" encoding="utf-8" ?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#ff0000"
>
<Textview
android:id="#+id/textview2"
android:text="Second Fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</LinearLayout>
AndroidMAnifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.deepaksingh.fragment2">
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:supportsRtl="true"
android:theme="#style/Theme.AppCompat">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
LOGCAT:
////////////////////////////////////////////////////////////
09-16 14:36:29.365 6887-6887/com.example.deepaksingh.fragment2 W/System: ClassLoader referenced unknown path: /data/app/com.example.deepaksingh.fragment2-2/lib/x86
09-16 14:36:29.459 6887-6887/com.example.deepaksingh.fragment2 W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
09-16 14:36:29.539 6887-6887/com.example.deepaksingh.fragment2 D/AndroidRuntime: Shutting down VM
09-16 14:36:29.540 6887-6887/com.example.deepaksingh.fragment2 E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.deepaksingh.fragment2, PID: 6887
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.deepaksingh.fragment2/com.example.deepaksingh.fragment2.MainActivity}: android.view.InflateException: Binary XML file line #6: Binary XML file line #9: Binary XML file line #9: Error inflating class Textview
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.InflateException: Binary XML file line #6: Binary XML file line #9: Binary XML file line #9: Error inflating class Textview
at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.example.deepaksingh.fragment2.MainActivity.onCreate(MainActivity.java:12)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5417) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
Caused by: android.view.InflateException: Binary XML file line #9: Binary XML file line #9: Error inflating class Textview
at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at com.example.deepaksingh.fragment2.Fragment2.onCreateView(Fragment2.java:14)
at android.app.Fragment.performCreateView(Fragment.java:2220)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:949)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126)
at android.app.FragmentManagerImpl.addFragment(FragmentManager.java:1228)
at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2201)
at android.app.FragmentController.onCreateView(FragmentController.java:98)
at android.app.Activity.onCreateView(Activity.java:5546)
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:36)
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:75)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:754)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at com.example.deepaksingh.fragment2.MainActivity.onCreate(MainActivity.java:12) 
at android.app.Activity.performCreate(Activity.java:6237) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5417) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class Textview
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:776)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
at com.example.deepaksingh.fragment2.Fragment2.onCreateView(Fragment2.java:14) 
at android.app.Fragment.performCreateView(Fragment.java:2220) 
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:949) 
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126) 
at android.app.FragmentManagerImpl.addFragment(FragmentManager.java:1228) 
at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2201) 
at android.app.FragmentController.onCreateView(FragmentController.java:98) 
at android.app.Activity.onCreateView(Activity.java:5546) 
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:36) 
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:75) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:754) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at com.example.deepaksingh.fragment2.MainActivity.onCreate(MainActivity.java:12) 
at android.app.Activity.performCreate(Activity.java:6237) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5417) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.Textview" on path: DexPathList[[zip file "/data/app/com.example.deepaksingh.fragment2-2/base.apk"],nativeLibraryDirectories=[/data/app/com.example.deepaksingh.fragment2-2/lib/x86, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassL
09-16 14:36:34.205 6887-6887/com.example.deepaksingh.fragment2 I/Process: Sending signal. PID: 6887 SIG: 9

<?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="match_parent
android:layout_height="match_parent" >
<fragment
android:id="#+id/fragment2"
android:name="com.example.deepaksingh.fragment2.Fragment2"
android:layout_width="10dp"
android:layout_height="match_parent"
android:layout_weight="1"
tools:layout="#layout/fragment2" />
<fragment
android:id="#+id/fragment1"
android:name="com.example.deepaksingh.fragment2.Fragment1"
android:layout_width="10dp"
android:layout_height="match_parent"
android:layout_weight="1"
tools:layout="#layout/fragment1" />
</LinearLayout>

Problem is in your xml file.
i think clean build should work.

FloatingActionButton to launch new activity

I really appreciate your effort towards helping me out with this challenge. I want to launch a new activity when user click on the floating action button. Here is my code:
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
Snackbar.make(view, "Action replaced", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
//startActivity(new Intent(MainActivity.this,WriteMessage.class));
Intent intent = new Intent(MainActivity.this,WriteMessage.class);
startActivity(intent);
Toast.makeText(MainActivity.this,"Create text",Toast.LENGTH_SHORT).show();
}
});
But when I run the app on my device, I get "Unfortunately, ... has stopped." What could be the issue and how do I resolve it. Thank you
Here is the log:
08-31 23:38:53.816 13960-13960/technology.airwaves.com.smsscheduler D/AndroidRuntime: Shutting down VM
08-31 23:38:53.816 13960-13960/technology.airwaves.com.smsscheduler W/dalvikvm: threadid=1: thread exiting with uncaught exception (group=0x415f3bc0)
08-31 23:38:53.826 13960-13960/technology.airwaves.com.smsscheduler E/AndroidRuntime: FATAL EXCEPTION: main
Process: technology.airwaves.com.smsscheduler, PID: 13960
java.lang.RuntimeException: Unable to start activity ComponentInfo{technology.airwaves.com.smsscheduler/technology.airwaves.com.smsscheduler.WriteMessage}:
android.view.InflateException: Binary XML file line #17: Error inflating class ImageButton
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2340)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1264)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5413)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:970)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:786)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #17: Error inflating class ImageButton
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at technology.airwaves.com.smsscheduler.WriteMessage.onCreate(WriteMessage.java:11)
at android.app.Activity.performCreate(Activity.java:5258)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1099)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2280)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1264) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5413) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:970) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:786) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: android.content.res.Resources$NotFoundException: Resource is not a Drawable (color or path): TypedValue{t=0x1/d=0x7f020050 a=-1 r=0x7f020050}
at android.content.res.Resources.loadDrawable(Resources.java:2159)
at android.content.res.TypedArray.getDrawable(TypedArray.java:602)
at android.widget.ImageView.<init>(ImageView.java:129)
at android.widget.ImageButton.<init>(ImageButton.java:87)
at android.support.v7.widget.AppCompatImageButton.<init>(AppCompatImageButton.java:57)
at android.support.v7.widget.AppCompatImageButton.<init>(AppCompatImageButton.java:53)
at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:118)
at android.support.v7.app.AppCompatDelegateImplV7.createView(AppCompatDelegateImplV7.java:1008)
at android.support.v7.app.AppCompatDelegateImplV7.onCreateView(AppCompatDelegateImplV7.java:1067)
at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:44)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:684)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at technology.airwaves.com.smsscheduler.WriteMessage.onCreate(WriteMessage.java:11) 
at android.app.Activity.performCreate(Activity.java:5258) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1099) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2280) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1264) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5413) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:970) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:786) 
at dalvik.system.NativeStart.main(Native Method) 
08-31 23:38:59.602 13960-13960/technology.airwaves.com.smsscheduler I/Process: Sending signal. PID: 13960 SIG: 9
Here is the XML file (activity_main.xml)
<?xml version="1.0" encoding="utf-8"?>
<include
layout="#layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="#+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:headerLayout="#layout/nav_header_main"
app:menu="#menu/activity_main_drawer" />
Here is the XML file for app_bar_main
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="#color/appHeader"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<include layout="#layout/content_main" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
android:src="#android:drawable/ic_dialog_email" />
I intend to launch a new activity when the FloatingActionButton is pressed

android.view.InflateException: Binary XML file line #31: Error inflating class

This gives me an error here I don't understand why this giving me this error the size of my icons is 300kb.
main_menu.xml
<?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: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"
android:background="#drawable/background"
tools:context="com.example.jaypeetan.mftis.login">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LOGIN"
android:id="#+id/button_login"
android:layout_centerVertical="true"
android:layout_alignParentEnd="true"
android:background="#color/button_material_dark"
android:textColor="#ffffff"
android:layout_alignParentStart="true"
android:singleLine="false"
android:focusableInTouchMode="false"
android:focusable="false"
android:elegantTextHeight="true"
android:layout_margin="2dp"
android:layout_marginTop="10dp" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SIGN UP"
android:id="#+id/button_signup"
android:layout_below="#+id/button_login"
android:background="#color/button_material_dark"
android:textColor="#ffffff"
android:layout_alignParentStart="true"
android:layout_alignParentEnd="true"
android:singleLine="false"
android:focusableInTouchMode="false"
android:focusable="false"
android:elegantTextHeight="true"
android:layout_margin="2dp"
android:layout_marginTop="10dp" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/imageView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:src="#drawable/logo"
android:layout_above="#+id/button_login" />
</RelativeLayout>
main_menu.java
package com.example.jaypeetan.mftis;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.InputType;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class main_menu extends AppCompatActivity {
Context context;
static String a_username;
static String a_password;
boolean arduino = true;
private String m_pass = "";
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_menu);
ImageView abtn_logout = (ImageView) findViewById(R.id.btn_logout);
abtn_logout.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent i = new Intent(main_menu.this,login.class);
startActivity(i);
}
});
}
public void onPreferences(View view){
Intent intent = new Intent(main_menu.this,preferences.class);
startActivity(intent);
}
public void onExit(View view){
System.exit(1);
}
//UNLOCK THE DEVICE
public void onLock(View view){
final ImageView access_view = (ImageView) findViewById(R.id.image_access);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Enter the Password");
// Set up the input
final EditText input = new EditText(this);
// Specify the type of input expected; this, for example, sets the input as a password, and will mask the text
input.setInputType(InputType.TYPE_NUMBER_VARIATION_PASSWORD);
builder.setView(input);
// Set up the buttons
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int pass) {
m_pass = input.getText().toString();
if(arduino==true){
if(m_pass.equals(a_password)){
Toast.makeText(getApplicationContext(),"The Drawer is now Locked",Toast.LENGTH_SHORT).show();
arduino = false;
}
else{
Toast.makeText(getApplicationContext(),"Wrong Password Please try again",Toast.LENGTH_SHORT).show();
}
}else{
if(m_pass.equals(a_password)){
Toast.makeText(getApplicationContext(),"The Drawer is now UnLocked",Toast.LENGTH_SHORT).show();
arduino = true;
}
else{
Toast.makeText(getApplicationContext(),"Wrong Password Please try again",Toast.LENGTH_SHORT).show();
}
}
}
});
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
builder.show();
}
}
this is the error
06-05 20:57:38.875 22631-22631/com.example.jaypeetan.mftis E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.jaypeetan.mftis, PID: 22631
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.jaypeetan.mftis/com.example.jaypeetan.mftis.main_menu}: android.view.InflateException: Binary XML file line #31: Error inflating class <unknown>
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2318)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2396)
at android.app.ActivityThread.access$800(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1293)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:149)
at android.app.ActivityThread.main(ActivityThread.java:5257)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #31: Error inflating class <unknown>
at android.view.LayoutInflater.createView(LayoutInflater.java:620)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106)
at com.example.jaypeetan.mftis.main_menu.onCreate(main_menu.java:29)
at android.app.Activity.performCreate(Activity.java:5411)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2396) 
at android.app.ActivityThread.access$800(ActivityThread.java:139) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1293) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:149) 
at android.app.ActivityThread.main(ActivityThread.java:5257) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106) 
at com.example.jaypeetan.mftis.main_menu.onCreate(main_menu.java:29) 
at android.app.Activity.performCreate(Activity.java:5411) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2396) 
at android.app.ActivityThread.access$800(ActivityThread.java:139) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1293) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:149) 
at android.app.ActivityThread.main(ActivityThread.java:5257) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.OutOfMemoryError
at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:587)
at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:422)
at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:840)
at android.content.res.Resources.loadDrawable(Resources.java:2192)
at android.content.res.Resources.loadDrawable(Resources.java:2075)
at android.content.res.TypedArray.getDrawable(TypedArray.java:602)
at android.widget.ImageView.<init>(ImageView.java:129)
at android.widget.ImageView.<init>(ImageView.java:119)
at java.lang.reflect.Constructor.constructNative(Native Method) 
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 
at android.view.LayoutInflater.createView(LayoutInflater.java:594) 
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106) 
at com.example.jaypeetan.mftis.main_menu.onCreate(main_menu.java:29) 
at android.app.Activity.performCreate(Activity.java:5411) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2396) 
at android.app.ActivityThread.access$800(ActivityThread.java:139) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1293) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:149) 
at android.app.ActivityThread.main(ActivityThread.java:5257) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609) 
at dalvik.system.NativeStart.main(Native Method) 
I think the problem is on my ImageView with iD: image_access
I dont understand why its giving me that error
thanks for the help :)

if your logo icon is vector change your ImageView
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/imageView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
app:srcCompat="#drawable/logo"
tools:ignore="MissingPrefix"
android:layout_above="#+id/button_login" />

Your icon image file is too big, you need to resize it down to a reasonable size.i.e 56x56 or at max 512x512
Use a image software or online image resizing web app to resize your icon.
You can also use TinyPNG to compress your icon image further.
Follow the design guidelines from official documentation from google
Reference Link

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.

Logcat error: IllegalArgumentException - android

The error is not in your Java class, it's located in the XML file where you have declared the layout for the View. It must have problem with id or tag, be sure to check all the attributes are as required per the standards. And also, post the code of that file.(XML file containing the fragment)

I think the problem in fragment_help.xml, You forgot to close RelativeLayout tag. Just put </RelativeLayout> end of the layout file. Hope it will help you :)

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