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POANDROID screen orientation changes
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  1. POANDROID screen orientation changes
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    copied!<p>How can I properly handle <strong>screen orientation changes</strong> in android?</p> <p>Can anyone help me solve this problem?</p> <p>I always get this error:</p> <pre><code>05-12 07:20:38.223: ERROR/AndroidRuntime(410): FATAL EXCEPTION: main 05-12 07:20:38.223: ERROR/AndroidRuntime(410): java.lang.RuntimeException: Unable to destroy activity {com.loginpage/com.loginpage.MainActivity}: java.lang.NullPointerException 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3655) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3673) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3789) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread.access$2400(ActivityThread.java:125) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2037) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.os.Handler.dispatchMessage(Handler.java:99) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.os.Looper.loop(Looper.java:123) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread.main(ActivityThread.java:4627) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at java.lang.reflect.Method.invokeNative(Native Method) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at java.lang.reflect.Method.invoke(Method.java:521) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at dalvik.system.NativeStart.main(Native Method) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): Caused by: java.lang.NullPointerException 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at com.loginpage.MainActivity.storePreferences(MainActivity.java:80) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at com.loginpage.MainActivity.onDestroy(MainActivity.java:29) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3642) 05-12 07:20:38.223: ERROR/AndroidRuntime(410): ... 12 more </code></pre>
 

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