java.lang.RuntimeException: Unable to start activity ComponentInfo{flash4life.gespant2015.com.flashreflex20/flash4life.gespant2015.com.flashreflex20.MainActivity}: java.lang.ClassCastException: com.google.android.gms.common.SignInButton cannot be cast to android.widget.Button

Stack Overflow | Grant Espanet | 7 months ago
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    Stack Overflow | 7 months ago | Grant Espanet
    java.lang.RuntimeException: Unable to start activity ComponentInfo{flash4life.gespant2015.com.flashreflex20/flash4life.gespant2015.com.flashreflex20.MainActivity}: java.lang.ClassCastException: com.google.android.gms.common.SignInButton cannot be cast to android.widget.Button
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    Root Cause Analysis

    1. java.lang.ClassCastException

      com.google.android.gms.common.SignInButton cannot be cast to android.widget.Button

      at flash4life.gespant2015.com.flashreflex20.MainActivity.onCreate()
    2. flash4life.gespant2015.com
      MainActivity.onCreate
      1. flash4life.gespant2015.com.flashreflex20.MainActivity.onCreate(MainActivity.java:107)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:6877)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1136)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3208)
      3 frames