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  1. POAndroid DrawerLayout component
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    <p>I have some problems with the DrawerLayout component. I'm using the android-support-v4 jar and when I'm launching the app I have this exception : </p> <pre><code>05-19 01:33:57.402: E/AndroidRuntime(3120): FATAL EXCEPTION: main 05-19 01:33:57.402: E/AndroidRuntime(3120): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dimosphere.app/com.dimosphere.app.MainActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class android.support.v4.widget.DrawerLayout 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2307) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2357) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.ActivityThread.access$600(ActivityThread.java:153) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.os.Handler.dispatchMessage(Handler.java:99) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.os.Looper.loop(Looper.java:137) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.ActivityThread.main(ActivityThread.java:5226) 05-19 01:33:57.402: E/AndroidRuntime(3120): at java.lang.reflect.Method.invokeNative(Native Method) 05-19 01:33:57.402: E/AndroidRuntime(3120): at java.lang.reflect.Method.invoke(Method.java:511) 05-19 01:33:57.402: E/AndroidRuntime(3120): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795) 05-19 01:33:57.402: E/AndroidRuntime(3120): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562) 05-19 01:33:57.402: E/AndroidRuntime(3120): at dalvik.system.NativeStart.main(Native Method) 05-19 01:33:57.402: E/AndroidRuntime(3120): Caused by: android.view.InflateException: Binary XML file line #1: Error inflating class android.support.v4.widget.DrawerLayout 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:698) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.view.LayoutInflater.inflate(LayoutInflater.java:466) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.view.LayoutInflater.inflate(LayoutInflater.java:396) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.view.LayoutInflater.inflate(LayoutInflater.java:352) 05-19 01:33:57.402: E/AndroidRuntime(3120): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:323) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.Activity.setContentView(Activity.java:1881) 05-19 01:33:57.402: E/AndroidRuntime(3120): at com.dimosphere.app.MainActivity.onCreate(MainActivity.java:12) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.Activity.performCreate(Activity.java:5104) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261) 05-19 01:33:57.402: E/AndroidRuntime(3120): ... 11 more 05-19 01:33:57.402: E/AndroidRuntime(3120): Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v4.widget.DrawerLayout" on path: /data/app/com.dimosphere.app-2.apk 05-19 01:33:57.402: E/AndroidRuntime(3120): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65) 05-19 01:33:57.402: E/AndroidRuntime(3120): at java.lang.ClassLoader.loadClass(ClassLoader.java:501) 05-19 01:33:57.402: E/AndroidRuntime(3120): at java.lang.ClassLoader.loadClass(ClassLoader.java:461) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.view.LayoutInflater.createView(LayoutInflater.java:552) 05-19 01:33:57.402: E/AndroidRuntime(3120): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687) 05-19 01:33:57.402: E/AndroidRuntime(3120): ... 20 more </code></pre> <p>I don't understand why do I have this exception, I included the jar in project properties...</p> <p>Here is my xml file :</p> <pre><code>&lt;android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match_parent"&gt; &lt;!-- The main content view --&gt; &lt;FrameLayout android:id="@+id/content_frame" android:layout_width="match_parent" android:layout_height="match_parent" /&gt; &lt;!-- The navigation drawer --&gt; &lt;ListView android:id="@+id/left_drawer" android:layout_width="240dp" android:layout_height="match_parent" android:layout_gravity="start" android:choiceMode="singleChoice" android:divider="@android:color/transparent" android:dividerHeight="0dp" android:background="#111"/&gt; &lt;/android.support.v4.widget.DrawerLayout&gt; </code></pre> <p>If you have any idea about where is the problem, you're welcome... Thanks :)</p>
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