java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setAlpha(float)' on a null object reference

GitHub | Kiailandi | 3 months ago
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    Crash on email + pw log in (after email screen) #auth

    GitHub | 3 months ago | Kiailandi
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setAlpha(float)' on a null object reference
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    GitHub | 4 months ago | hamberluo
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    [L] NPE android.graphics.drawable.Drawable.setHotspot(floa t, float) - Android-Hilfe.de

    android-hilfe.de | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.drawable.Drawable.setHotspot(float, float)' on a null object reference
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    App crashes aftew a few seconds using LineChart

    GitHub | 10 months ago | eldivino87
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.github.mikephil.charting.buffer.CircleBuffer.setPhases(float, float)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.ImageView.setAlpha(float)' on a null object reference

      at com.firebase.ui.auth.ui.email.ImageFocusTransparencyChanger.<init>()
    2. com.firebase.ui
      SignInActivity.onCreate
      1. com.firebase.ui.auth.ui.email.ImageFocusTransparencyChanger.<init>(ImageFocusTransparencyChanger.java:32)
      2. com.firebase.ui.auth.ui.email.SignInActivity.onCreate(SignInActivity.java:74)
      2 frames
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:5975)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2269)
      3 frames