java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mabdullahali.trenditch/com.example.mabdullahali.trenditch.LoginActivity}: java.lang.NullPointerException

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    java.lang.NullPointerException Login with facebook android studio

    Stack Overflow | 7 months ago | Muhammad Abdullah Ali
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mabdullahali.trenditch/com.example.mabdullahali.trenditch.LoginActivity}: java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.example.mabdullahali.trenditch.LoginActivity.onCreate()
    2. com.example.mabdullahali
      LoginActivity.onCreate
      1. com.example.mabdullahali.trenditch.LoginActivity.onCreate(LoginActivity.java:79)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:5372)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2257)
      3 frames