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  1. POunknown exception when i run the application
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    <p>When I run my application, which is just an activity that calls another by pressing button, I get this exception.</p> <p>The exception says something about an imageview although I don't have such a view in my xml.</p> <p>Here is the exception:</p> <pre><code>12-22 12:47:51.412: E/AndroidRuntime(22167): FATAL EXCEPTION: main 12-22 12:47:51.412: E/AndroidRuntime(22167): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.williamromatest.testnavigationbar/com.williamromatest.testnavigationbar.MainActivity}: android.view.InflateException: Binary XML file line #41: Error inflating class android.widget.ImageView 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1659) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.ActivityThread.access$1500(ActivityThread.java:121) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.os.Handler.dispatchMessage(Handler.java:99) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.os.Looper.loop(Looper.java:130) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.ActivityThread.main(ActivityThread.java:3701) 12-22 12:47:51.412: E/AndroidRuntime(22167): at java.lang.reflect.Method.invokeNative(Native Method) 12-22 12:47:51.412: E/AndroidRuntime(22167): at java.lang.reflect.Method.invoke(Method.java:507) 12-22 12:47:51.412: E/AndroidRuntime(22167): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866) 12-22 12:47:51.412: E/AndroidRuntime(22167): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624) 12-22 12:47:51.412: E/AndroidRuntime(22167): at dalvik.system.NativeStart.main(Native Method) 12-22 12:47:51.412: E/AndroidRuntime(22167): Caused by: android.view.InflateException: Binary XML file line #41: Error inflating class android.widget.ImageView 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.createView(LayoutInflater.java:518) 12-22 12:47:51.412: E/AndroidRuntime(22167): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.rInflate(LayoutInflater.java:623) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.inflate(LayoutInflater.java:408) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.inflate(LayoutInflater.java:320) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.inflate(LayoutInflater.java:276) 12-22 12:47:51.412: E/AndroidRuntime(22167): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:227) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.Activity.setContentView(Activity.java:1657) 12-22 12:47:51.412: E/AndroidRuntime(22167): at com.williamromatest.testnavigationbar.MainActivity.onCreate(MainActivity.java:18) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1623) 12-22 12:47:51.412: E/AndroidRuntime(22167): ... 11 more 12-22 12:47:51.412: E/AndroidRuntime(22167): Caused by: java.lang.reflect.InvocationTargetException 12-22 12:47:51.412: E/AndroidRuntime(22167): at java.lang.reflect.Constructor.constructNative(Native Method) 12-22 12:47:51.412: E/AndroidRuntime(22167): at java.lang.reflect.Constructor.newInstance(Constructor.java:415) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.view.LayoutInflater.createView(LayoutInflater.java:505) 12-22 12:47:51.412: E/AndroidRuntime(22167): ... 22 more 12-22 12:47:51.412: E/AndroidRuntime(22167): Caused by: android.content.res.Resources$NotFoundException: Resource is not a Drawable (color or path): TypedValue{t=0x2/d=0x7f01005b a=-1} 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.content.res.Resources.loadDrawable(Resources.java:1692) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.content.res.TypedArray.getDrawable(TypedArray.java:601) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.widget.ImageView.&lt;init&gt;(ImageView.java:122) 12-22 12:47:51.412: E/AndroidRuntime(22167): at android.widget.ImageView.&lt;init&gt;(ImageView.java:112) 12-22 12:47:51.412: E/AndroidRuntime(22167): ... 25 more </code></pre> <p>here is my code:</p> <pre><code>import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity implements OnClickListener { Button b_button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); b_button = (Button) findViewById(R.id.b_button1); b_button.setOnClickListener(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public void onClick(View v) { switch (v.getId()) { case R.id.b_button1: Intent intentToFirstActivity = new Intent(MainActivity.this, FirstAcitivty.class); startActivity(intentToFirstActivity); break; default: break; } } } </code></pre> <p>my xml layout is:</p> <pre><code>&lt;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=".MainActivity" &gt; &lt;TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" /&gt; &lt;Button android:id="@+id/b_button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView1" android:layout_marginTop="133dp" android:layout_toRightOf="@+id/textView1" android:text="Button" /&gt; &lt;/RelativeLayout&gt; </code></pre>
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