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PONullPointerException while Loading and Displaying JSON content into a listview
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  1. PONullPointerException while Loading and Displaying JSON content into a listview
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    copied!<p>I am attempting to load JSON content into a listview containing image and text but I'm getting a <code>NullPointerException</code>' in line 154 i.e <code>lv1.setAdapter(efficienadapter);</code> in Actualities.class .</p> <p>I don't know if its because the <code>postlist is null or an error in my code.</code></p> <p>someone can help me please </p> <p>My Actualites class android.widget.TabHost.setCurrentTab(TabHost.java:329)</p> <pre><code>01-24 13:03:44.741: E/AndroidRuntime(4357): at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:133) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:456) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.view.View.performClick(View.java:2538) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.view.View$PerformClick.run(View.java:9152) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.os.Handler.handleCallback(Handler.java:587) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.os.Handler.dispatchMessage(Handler.java:92) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.os.Looper.loop(Looper.java:130) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.app.ActivityThread.main(ActivityThread.java:3687) 01-24 13:03:44.741: E/AndroidRuntime(4357): at java.lang.reflect.Method.invokeNative(Native Method) 01-24 13:03:44.741: E/AndroidRuntime(4357): at java.lang.reflect.Method.invoke(Method.java:507) 01-24 13:03:44.741: E/AndroidRuntime(4357): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842) 01-24 13:03:44.741: E/AndroidRuntime(4357): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600) 01-24 13:03:44.741: E/AndroidRuntime(4357): at dalvik.system.NativeStart.main(Native Method) 01-24 13:03:44.741: E/AndroidRuntime(4357): Caused by: java.lang.NullPointerException 01-24 13:03:44.741: E/AndroidRuntime(4357): at fr.dtweb.gpf.Actualites.onCreate(Actualites.java:154) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 01-24 13:03:44.741: E/AndroidRuntime(4357): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615) 01-24 13:03:44.741: E/AndroidRuntime(4357): ... 18 more </code></pre>
 

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