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<com.google.android.gms.ads.AdView
    android:id="@+id/adView"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    ads:adSize="BANNER"
    ads:adUnitId="ca-app-pub-32763440xxxxxxxxxxxx" />

When I add this code in the Graphical Layout turns out this error and does not install the application on the device. How can I solve this problem?

The following classes could not be instantiated:
  - com.google.android.gms.ads.AdView (Open Class, Show Error Log)
  See the Error Log (Window > Show View) for more details.
   java.lang.ClassNotFoundException: com.google.android.gms.R$styleable
     at java.net.URLClassLoader$1.run(    at java.net.URLClassLoader$1.run(    at            java.security.AccessController.doPrivileged(    at java.net.URLClassLoader.findClass(    at    java.lang.**strong text**ClassLoader.loadClass(    at java.lang.ClassLoader.loadClass(    at com.google.android.gms.internal.bb.<init>(    at com.google.android.gms.internal.bh.<init>(    at com.google.android.gms.internal.bh.<init>(    at com.google.android.gms.internal.bh.<init>(    at com.google.android.gms.ads.AdView.<init>(    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(    at sun.reflect.NativeConstructorAccessorImpl.newInstance(    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(    at java.lang.reflect.Constructor.newInstance(    at com.android.ide.eclipse.adt.internal.editors.layout.ProjectCallback.instantiateClass(ProjectCallback.java:442)
    at com.android.ide.eclipse.adt.internal.editors.layout.ProjectCallback.loadView(ProjectCallback.java:194)
    at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:207)
    at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:132)
    at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:806)
    at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:64)
    at android.view.LayoutInflater.rInflate(LayoutInflater.java:782)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
    at android.view.LayoutInflater.inflate(LayoutInflater.java:385)
Tim
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student
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  • Do you have the google play project added as a library for your project? – Tim Nov 22 '14 at 19:19
  • yes google play project added – student Nov 22 '14 at 19:22
  • copy your error log please. – Mohammad Rahchamani Nov 22 '14 at 19:28
  • 11-22 21:35:22.666: E/Trace(3188): error opening trace file: No such file or directory (2) 11-22 21:35:22.936: E/AndroidRuntime(3188): FATAL EXCEPTION: main 11-22 21:35:22.936: E/AndroidRuntime(3188): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ornek.ornekbanner/com.ornek.ornekbanner.MainActivity}: android.view.InflateException: Binary XML file line #8: Error inflating class com.google.android.gms.ads.AdView 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2063) – student Nov 22 '14 at 19:37
  • 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.ActivityThread.access$600(ActivityThread.java:134) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1199) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.os.Handler.dispatchMessage(Handler.java:99) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.os.Looper.loop(Looper.java:137) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.ActivityThread.main(ActivityThread.java:4744) – student Nov 22 '14 at 19:39
  • 11-22 21:35:22.936: E/AndroidRuntime(3188): at java.lang.reflect.Method.invoke(Method.java:511) 11-22 21:35:22.936: E/AndroidRuntime(3188): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 11-22 21:35:22.936: E/AndroidRuntime(3188): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 11-22 21:35:22.936: E/AndroidRuntime(3188): at dalvik.system.NativeStart.main(Native Method) 11-22 21:35:22.936: E/AndroidRuntime(3188): Caused by: android.view.InflateException: Binary XML file line #8: Error inflating class com.google.android.gms.ads.AdView – student Nov 22 '14 at 19:39
  • 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.view.LayoutInflater.inflate(LayoutInflater.java:489) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.view.LayoutInflater.inflate(LayoutInflater.java:396) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.view.LayoutInflater.inflate(LayoutInflater.java:352) – student Nov 22 '14 at 19:41
  • 11-22 21:35:22.936: E/AndroidRuntime(3188): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:262) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.Activity.setContentView(Activity.java:1867) 11-22 21:35:22.936: E/AndroidRuntime(3188): at com.ornek.ornekbanner.MainActivity.onCreate(MainActivity.java:13) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.Activity.performCreate(Activity.java:5008) 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079) – student Nov 22 '14 at 19:41
  • 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2027) 11-22 21:35:22.936: E/AndroidRuntime(3188): ... 11 more 11-22 21:35:22.936: E/AndroidRuntime(3188): Caused by: java.lang.reflect.InvocationTargetException 11-22 21:35:22.936: E/AndroidRuntime(3188): at java.lang.reflect.Constructor.constructNative(Native Method) 11-22 21:35:22.936: E/AndroidRuntime(3188): at java.lang.reflect.Constructor.newInstance(Constructor.java:417) – student Nov 22 '14 at 19:42
  • 11-22 21:35:22.936: E/AndroidRuntime(3188): at android.view.LayoutInflater.createView(LayoutInflater.java:587) 11-22 21:35:22.936: E/AndroidRuntime(3188): ... 22 more 11-22 21:35:22.936: E/AndroidRuntime(3188): Caused by: java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable 11-22 21:35:22.936: E/AndroidRuntime(3188): at com.google.android.gms.internal.bb.(Unknown Source) 11-22 21:35:22.936: E/AndroidRuntime(3188): at com.google.android.gms.internal.bh.(Unknown Source) – student Nov 22 '14 at 19:43
  • I copied the error log – student Nov 22 '14 at 20:38
  • check this answer: http://stackoverflow.com/a/33392069/277345 – Andrey Nikishaev Oct 28 '15 at 13:18

1 Answers1

2

Make sure you have the right xml namespace defined in your layout:

Thus, xmlns:ads="http://schemas.android.com/apk/res-auto":

<com.google.android.gms.ads.AdView
    xmlns:ads="http://schemas.android.com/apk/res-auto"
    android:id="@+id/adView"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    ads:adSize="BANNER"
    ads:adUnitId="ca-app-pub-32763440xxxxxxxxxxxx" />

In the manifest's application tag, don't forget to add:

<activity android:name="com.google.android.gms.ads.AdActivity" 
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"/>`

<meta-data android:name="com.google.android.gms.version"
       android:value="@integer/google_play_services_version"/>
Nana Ghartey
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