java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.raduc.anew/com.example.raduc.anew.MainActivity}: java.lang.NullPointerException

Stack Overflow | Radyx | 4 months ago
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    Unable to instantiate activity ComponentInfo Android Studio Error

    Stack Overflow | 4 months ago | Radyx
    java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.raduc.anew/com.example.raduc.anew.MainActivity}: java.lang.NullPointerException
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    Androidruntime: FATAL EXCEPTION's

    Stack Overflow | 3 months ago | ABi
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    Stack Overflow | 2 months ago | Abdulrahman Abdulkarim
    java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.abdulkarim.courtcounter/com.example.abdulkarim.courtcounter.MainActivity}: java.lang.NullPointerException
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    Android MySQLite problems when compiling

    Stack Overflow | 8 months ago | Ashley Thompson
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at android.support.v7.app.AppCompatDelegateImplBase.<init>()
    2. Android v7
      AppCompatActivity.findViewById
      1. android.support.v7.app.AppCompatDelegateImplBase.<init>(AppCompatDelegateImplBase.java:116)
      2. android.support.v7.app.AppCompatDelegateImplV9.<init>(AppCompatDelegateImplV9.java:147)
      3. android.support.v7.app.AppCompatDelegateImplV11.<init>(AppCompatDelegateImplV11.java:27)
      4. android.support.v7.app.AppCompatDelegateImplV14.<init>(AppCompatDelegateImplV14.java:50)
      5. android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:201)
      6. android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:181)
      7. android.support.v7.app.AppCompatActivity.getDelegate(AppCompatActivity.java:521)
      8. android.support.v7.app.AppCompatActivity.findViewById(AppCompatActivity.java:190)
      8 frames
    3. com.example.raduc
      MainActivity.<init>
      1. com.example.raduc.anew.MainActivity.<init>(MainActivity.java:17)
      1 frame
    4. Java RT
      Class.newInstance
      1. java.lang.Class.newInstanceImpl(Native Method)
      2. java.lang.Class.newInstance(Class.java:1215)
      2 frames
    5. Android Platform
      ActivityThread.main
      1. android.app.Instrumentation.newActivity(Instrumentation.java:1061)
      2. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
      3. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2441)
      4. android.app.ActivityThread.access$900(ActivityThread.java:151)
      5. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354)
      6. android.os.Handler.dispatchMessage(Handler.java:110)
      7. android.os.Looper.loop(Looper.java:193)
      8. android.app.ActivityThread.main(ActivityThread.java:5345)
      8 frames
    6. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invokeNative(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:515)
      2 frames
    7. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644)
      2 frames
    8. Android Platform
      NativeStart.main
      1. dalvik.system.NativeStart.main(Native Method)
      1 frame