java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.design.widget.FloatingActionButton de.tap.easy_xkcd.Activities.MainActivity.getFab()' on a null object reference E/AndroidRuntime(17298): at de.tap.easy_xkcd.fragments.comics.ComicFragment.onPrepareOptionsMenu(ComicFragment.java:572) Process: de.tap.easy_xkcd, PID: 16522

GitHub | rugk | 5 months ago
  1. 0

    Crashes always when accessed from widget

    GitHub | 5 months ago | rugk
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.design.widget.FloatingActionButton de.tap.easy_xkcd.Activities.MainActivity.getFab()' on a null object reference E/AndroidRuntime(17298): at de.tap.easy_xkcd.fragments.comics.ComicFragment.onPrepareOptionsMenu(ComicFragment.java:572) Process: de.tap.easy_xkcd, PID: 16522
  2. 0

    Unable to play music in android

    Stack Overflow | 4 weeks ago | Harsimar Singh
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.musicapp/com.example.musicapp.MusicPlaying}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.media.MediaPlayer.prepareAsync()' on a null object reference 11-15 15:57:13.503: E/AndroidRuntime(996):
  3. 0

    Android programmatically: 12/25/14

    blogspot.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.google.android.gms.common.ConnectionResult.hasResolution()' on a null object reference E/AndroidRuntime(16439): at com.test.gogleplus.LoginActivity.resolveSignInErrors(LoginActivity.java:145) E/AndroidRuntime(16439): at com.test.gogleplus.views.LoginFragment.signInWithGplus(LoginFragment.java:737) E/AndroidRuntime(16439): at com.test.gogleplus.views.LoginFragment.onClick(LoginFragment.java:749)
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  5. 0

    Android Developer Room ~ Belajar Android Programming - Page61 | Kaskus - The Largest Indonesian Community

    co.id | 12 months ago
    java.lang.IllegalStateException: Could not execute method for android:onClick 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.view.View$DeclaredOnClickListener.onClick(View.java:4452) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.view.View.performClick(View.java:5198) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.view.View$PerformClick.run(View.java:21147) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:739) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:95) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.os.Looper.loop(Looper.java:148) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:5417) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: Caused by: java.lang.reflect.InvocationTargetException 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.view.View$DeclaredOnClickListener.onClick(View.java:4447) 10-30 20:02:40.899 4118-4118/com.felix.fetchjson E/AndroidRuntime: at android.view.View.performClick(View.java:5198)
  6. 0

    Attempt to invoke virtual method 'java.lang.String org.json.JSONObject.getString(java.lang.String)' on a null object

    Stack Overflow | 6 hours ago | panos.k
    java.lang.NullPointerException: lock == null 12-09 21:25:02.236 11849-12325/com.learn2crack E/JSON Parser: Error parsing data org.json.JSONException: End of input at character 0 of 12-09 21:25:02.256 11849-11849/com.learn2crack D/AndroidRuntime: Shutting down VM 12-09 21:25:02.256 11849-11849/com.learn2crack E/AndroidRuntime: FATAL EXCEPTION: main Process: com.learn2crack, PID: 11849 java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String org.json.JSONObject.getString(java.lang.String)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.support.design.widget.FloatingActionButton de.tap.easy_xkcd.Activities.MainActivity.getFab()' on a null object reference E/AndroidRuntime(17298): at de.tap.easy_xkcd.fragments.comics.ComicFragment.onPrepareOptionsMenu(ComicFragment.java:572) Process: de.tap.easy_xkcd, PID: 16522

      at de.tap.easy_xkcd.fragments.comics.ComicFragment$ComicAdapter.<init>()
    2. de.tap.easy_xkcd
      ComicBrowserFragment$updateNewest.onPostExecute
      1. de.tap.easy_xkcd.fragments.comics.ComicFragment$ComicAdapter.<init>(ComicFragment.java:133)
      2. de.tap.easy_xkcd.fragments.comics.ComicBrowserFragment$ComicBrowserPagerAdapter.<init>(ComicBrowserFragment.java:193)
      3. de.tap.easy_xkcd.fragments.comics.ComicBrowserFragment$updateNewest.onPostExecute(ComicBrowserFragment.java:167)
      4. de.tap.easy_xkcd.fragments.comics.ComicBrowserFragment$updateNewest.onPostExecute(ComicBrowserFragment.java:125)
      4 frames