java.lang.NullPointerException: Attempt to invoke virtual method 'int android.speech.tts.TextToSpeech.speak(java.lang.String, int, java.util.HashMap)' on a null object reference

Stack Overflow | Arun K Babu | 5 months ago
  1. 0

    Android - TextToSpeech app Crashes with java.lang.NullPointerException; Null Object Reference

    Stack Overflow | 5 months ago | Arun K Babu
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.speech.tts.TextToSpeech.speak(java.lang.String, int, java.util.HashMap)' on a null object reference
  2. 0

    Text to speech in a fragment of ViewPager

    Stack Overflow | 4 months ago | mahziar
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.speech.tts.TextToSpeech.speak(java.lang.String, int, java.util.HashMap)' on a null object reference
  3. 0

    Android App crashes if launched within ~5-7 seconds of turning phone on

    Stack Overflow | 6 months ago | Damen Tomassi
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.content.Context.checkPermission(java.lang.String, int, int)' on a null object reference
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  5. 0

    Would like to implement 'screenshot' function and 'share' option in my Android app, but throwing error

    Stack Overflow | 3 months ago | soccerway
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.content.Context.checkPermission(java.lang.String, int, int)' on a null object reference
  6. 0

    Can't ask permission at runtime (Android)

    Stack Overflow | 4 months ago | Stackingcoder
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.content.Context.checkPermission(java.lang.String, int, int)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'int android.speech.tts.TextToSpeech.speak(java.lang.String, int, java.util.HashMap)' on a null object reference

      at arunkbabu90.pronunciation.MainActivity$1.onClick()
    2. arunkbabu90.pronunciation
      MainActivity$1.onClick
      1. arunkbabu90.pronunciation.MainActivity$1.onClick(MainActivity.java:49)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5198)
      2. android.view.View$PerformClick.run(View.java:21147)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:148)
      6. android.app.ActivityThread.main(ActivityThread.java:5417)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames