title: My app getting crashed every time. Every things seems look good syntactically but don't know where's the error?
body: <p>The code for the second layout with spinner is here. The problem started only after adding the spinner. I added this code to my second layout after the main layout. Along with the spinner I had a button to intent to next third layout.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>package com.example.admin.howdy;
  
  import android.app.Activity;
  import android.content.Intent;
  import android.os.Bundle;
  import android.view.View;
  import android.widget.ArrayAdapter;
  import android.widget.Button;
  import android.widget.Spinner;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Created by admin on 01-Aug-18.
   */
  
  public class second extends Activity{
  
      @Override
      public void onCreate(Bundle savedInstanceState)
      {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.second);
          Spinner sp=(Spinner)findViewById(R.id.spinner);
          List&lt;String&gt; categories = new ArrayList&lt;String&gt;();
          categories.add("Automobile");
          categories.add("Business Services");
          categories.add("Computers");
          categories.add("Education");
          categories.add("Personal");
          categories.add("Travel");
          ArrayAdapter&lt;String&gt; adapter=new ArrayAdapter&lt;String&gt;(second.this,android.R.layout.simple_spinner_item,categories);
          adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
          sp.setAdapter(adapter);
          final Button button2 = (Button)findViewById(R.id.button2);
          button2.setOnClickListener(new View.OnClickListener(){
              @Override
              public void onClick(View view) {
                  Intent myintent2 = new Intent(second.this, third.class);
                  startActivity(myintent2);
              }
          });
      }
  
  }</code></pre>
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  I am stuck on this for a long period of time. 
  The xml code for the activity is here:
  <div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto"
      xmlns:tools="http://schemas.android.com/tools"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:background="@drawable/image_2"
      tools:layout_editor_absoluteY="81dp"&gt;
  
      &lt;TextView
          android:id="@+id/textView2"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginBottom="30dp"
          android:layout_marginStart="13dp"
          android:layout_marginLeft="13dp"
          android:layout_marginTop="37dp"
          android:text="Complete following steps to proceed further."
          android:textAppearance="@style/TextAppearance.AppCompat.Display1"
          android:textColor="@color/colorPrimaryDark"
          android:textSize="18sp"
          app:layout_constraintBottom_toTopOf="@+id/textView3"
          app:layout_constraintStart_toStartOf="parent"
          app:layout_constraintTop_toTopOf="parent" /&gt;
  
      &lt;TextView
          android:id="@+id/textView3"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginBottom="14dp"
          android:layout_marginStart="25dp"
          android:layout_marginLeft="25dp"
          android:text="Who are you?"
          android:textSize="16sp"
          app:layout_constraintBottom_toTopOf="@+id/radioGroup"
          app:layout_constraintStart_toStartOf="parent"
          app:layout_constraintTop_toBottomOf="@+id/textView2" /&gt;
  
      &lt;RadioGroup
          android:id="@+id/radioGroup"
          android:layout_width="154dp"
          android:layout_height="0dp"
          android:layout_marginBottom="32dp"
          app:layout_constraintBottom_toTopOf="@+id/textView4"
          app:layout_constraintStart_toStartOf="@+id/textView3"
          app:layout_constraintTop_toBottomOf="@+id/textView3"&gt;
  
          &lt;RadioButton
              android:layout_width="wrap_content"
              android:layout_height="7dp"
              android:layout_weight="1"
              android:text="Students"
              android:textColor="@color/colorPrimaryDark"
              android:textSize="16sp" /&gt;
  
          &lt;RadioButton
              android:layout_width="wrap_content"
              android:layout_height="4dp"
              android:layout_weight="1"
              android:text="Staffs"
              android:textColor="@color/colorPrimaryDark"
              android:textSize="16sp" /&gt;
  
          &lt;RadioButton
              android:id="@+id/radioButton"
              android:layout_width="wrap_content"
              android:layout_height="7dp"
              android:layout_weight="1"
              android:text="Others"
              android:textColor="@color/colorPrimaryDark"
              android:textSize="16sp" /&gt;
      &lt;/RadioGroup&gt;
  
      &lt;TextView
          android:id="@+id/textView4"
          android:layout_width="wrap_content"
          android:layout_height="29dp"
          android:layout_marginBottom="18dp"
          android:layout_marginLeft="24dp"
          android:text="Which instution you belongs to?"
          android:textColor="@color/colorPrimaryDark"
          android:textSize="16sp"
          android:visibility="visible"
          app:layout_constraintBottom_toTopOf="@+id/spinner"
          app:layout_constraintLeft_toLeftOf="parent"
          app:layout_constraintTop_toBottomOf="@+id/radioGroup" /&gt;
  
      &lt;Spinner
          android:id="@+id/spinner"
          android:layout_width="249dp"
          android:layout_height="33dp"
          android:layout_marginBottom="49dp"
          android:layout_marginStart="25dp"
          android:layout_marginLeft="25dp"
          android:prompt="@string/app_name"
          android:spinnerMode="dropdown"
          app:layout_constraintBottom_toTopOf="@+id/button2"
          app:layout_constraintStart_toStartOf="parent"
          app:layout_constraintTop_toBottomOf="@+id/textView4" /&gt;
  
      &lt;Button
          android:id="@+id/button2"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginBottom="52dp"
          android:layout_marginEnd="28dp"
          android:layout_marginRight="28dp"
          android:background="?android:attr/colorEdgeEffect"
          android:text="Next"
          android:textColor="#FFFFFF"
          app:layout_constraintBottom_toBottomOf="parent"
          app:layout_constraintEnd_toEndOf="@+id/spinner"
          app:layout_constraintLeft_toLeftOf="parent"
          app:layout_constraintRight_toRightOf="parent"
          app:layout_editor_absoluteX="137dp" /&gt;
  
  &lt;/android.support.constraint.ConstraintLayout&gt;</code></pre>
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  I am getting these comments in logcat:</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>08-05 11:42:12.103 4352-4352/? E/libprocessgroup: failed to make and chown /acct/uid_10058: Read-only file system
  08-05 11:42:12.103 4352-4352/? W/Zygote: createProcessGroup failed, kernel missing CONFIG_CGROUP_CPUACCT?
  08-05 11:42:12.104 4352-4352/? I/art: Not late-enabling -Xcheck:jni (already on)
  08-05 11:42:12.513 4352-4352/com.example.admin.howdy I/InstantRun: starting instant run server: is main process
  08-05 11:42:12.772 4352-4352/com.example.admin.howdy 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
  08-05 11:42:12.776 4352-4365/com.example.admin.howdy W/art: Suspending all threads took: 5.892ms
  08-05 11:42:12.780 4352-4365/com.example.admin.howdy I/art: Background sticky concurrent mark sweep GC freed 2173(224KB) AllocSpace objects, 0(0B) LOS objects, 27% free, 805KB/1117KB, paused 6.924ms total 16.847ms
  08-05 11:42:12.871 4352-4365/com.example.admin.howdy W/art: Suspending all threads took: 14.228ms
  08-05 11:42:12.878 4352-4365/com.example.admin.howdy I/art: Background partial concurrent mark sweep GC freed 856(231KB) AllocSpace objects, 0(0B) LOS objects, 50% free, 1007KB/2031KB, paused 17.370ms total 60.090ms
  08-05 11:42:12.979 4352-4352/com.example.admin.howdy W/ResourceType: Failure getting entry for 0x7f060058 (t=5 e=88) (error -75)
  08-05 11:42:12.980 4352-4352/com.example.admin.howdy D/AndroidRuntime: Shutting down VM
  08-05 11:42:12.981 4352-4352/com.example.admin.howdy E/AndroidRuntime: FATAL EXCEPTION: main
      Process: com.example.admin.howdy, PID: 4352
      java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.admin.howdy/com.example.admin.howdy.MainActivity}: android.view.InflateException: Binary XML file line #0: Error inflating class android.support.constraint.ConstraintLayout
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
          at android.app.ActivityThread.access$800(ActivityThread.java:151)
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
          at android.os.Handler.dispatchMessage(Handler.java:102)
          at android.os.Looper.loop(Looper.java:135)
          at android.app.ActivityThread.main(ActivityThread.java:5254)
          at java.lang.reflect.Method.invoke(Native Method)
          at java.lang.reflect.Method.invoke(Method.java:372)
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
      Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class android.support.constraint.ConstraintLayout
          at android.view.LayoutInflater.createView(LayoutInflater.java:633)
          at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
          at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
          at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
          at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
          at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
          at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
          at com.example.admin.howdy.MainActivity.onCreate(MainActivity.java:18)
          at android.app.Activity.performCreate(Activity.java:5990)
          at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
          at android.app.ActivityThread.access$800(ActivityThread.java:151) 
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
          at android.os.Handler.dispatchMessage(Handler.java:102) 
          at android.os.Looper.loop(Looper.java:135) 
          at android.app.ActivityThread.main(ActivityThread.java:5254) 
          at java.lang.reflect.Method.invoke(Native Method) 
          at java.lang.reflect.Method.invoke(Method.java:372) 
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
      Caused by: java.lang.reflect.InvocationTargetException
          at java.lang.reflect.Constructor.newInstance(Native Method)
          at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
          at android.view.LayoutInflater.createView(LayoutInflater.java:607)
          at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743) 
          at android.view.LayoutInflater.inflate(LayoutInflater.java:482) 
          at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
          at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
          at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
          at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
          at com.example.admin.howdy.MainActivity.onCreate(MainActivity.java:18) 
          at android.app.Activity.performCreate(Activity.java:5990) 
          at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) 
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
          at android.app.ActivityThread.access$800(ActivityThread.java:151) 
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
          at android.os.Handler.dispatchMessage(Handler.java:102) 
          at android.os.Looper.loop(Looper.java:135) 
          at android.app.ActivityThread.main(ActivityThread.java:5254) 
          at java.lang.reflect.Method.invoke(Native Method) 
          at java.lang.reflect.Method.invoke(Method.java:372) 
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
      Caused by: android.content.res.Resources$NotFoundException: Resource "com.example.admin.howdy:drawable/image_2" (7f060058)  is not a Drawable (color or path): TypedValue{t=0x1/d=0x7f060058 a=-1 r=0x7f060058}
          at android.content.res.Resources.loadDrawableForCookie(Resources.java:2441)
          at android.content.res.Resources.loadDrawable(Resources.java:2381)
          at android.content.res.TypedArray.getDrawable(TypedArray.java:749)
          at android.view.View.&lt;init&gt;(View.java:3737)
          at android.view.ViewGroup.&lt;init&gt;(ViewGroup.java:497)
          at android.view.ViewGroup.&lt;init&gt;(ViewGroup.java:493)
          at android.view.ViewGroup.&lt;init&gt;(ViewGroup.java:489)
          at android.support.constraint.ConstraintLayout.&lt;init&gt;(ConstraintLayout.java:566)
          at java.lang.reflect.Constructor.newInstance(Native Method) 
          at java.lang.reflect.Constructor.newInstance(Constructor.java:288) 
          at android.view.LayoutInflater.createView(LayoutInflater.java:607) 
          at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743) 
          at android.view.LayoutInflater.inflate(LayoutInflater.java:482) 
          at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
          at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
          at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) 
          at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) 
          at com.example.admin.howdy.MainActivity.onCreate(MainActivity.java:18) 
          at android.app.Activity.performCreate(Activity.java:5990) 
          at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) 
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
          at android.app.ActivityThread.access$800(ActivityThread.java:151) 
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
          at android.os.Handler.dispatchMessage(Handler.java:102) 
          at android.os.Looper.loop(Looper.java:135) 
          at android.app.ActivityThread.main(ActivityThread.java:5254) 
          at java.lang.reflect.Method.invoke(Native Method) 
          at java.lang.reflect.Method.invoke(Method.java:372) 
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
  08-05 11:42:21.368 4352-4352/? I/Process: Sending signal. PID: 4352 SIG: 9</code></pre>
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