调试易

2019-05-06 22:46:09.205 5105-5105/? I/e.my_metal_slu: Not late-enabling -Xcheck:jni (already on)
2019-05-06 22:46:09.308 5105-5105/? W/e.my_metal_slu: Unexpected CPU variant for X86 using defaults: x86
2019-05-06 22:46:09.882 5105-5105/com.example.my_metal_slug W/e.my_metal_slu: JIT profile information will not be recorded: profile file does not exits.
2019-05-06 22:46:09.886 5105-5105/com.example.my_metal_slug I/chatty: uid=10085(com.example.my_metal_slug) identical 10 lines
2019-05-06 22:46:09.886 5105-5105/com.example.my_metal_slug W/e.my_metal_slu: JIT profile information will not be recorded: profile file does not exits.
2019-05-06 22:46:09.920 5105-5105/com.example.my_metal_slug I/InstantRun: starting instant run server: is main process
2019-05-06 22:46:10.071 5105-5105/com.example.my_metal_slug D/AndroidRuntime: Shutting down VM
2019-05-06 22:46:10.073 5105-5105/com.example.my_metal_slug E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.my_metal_slug, PID: 5105
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.my_metal_slug/com.example.my_metal_slug.MainActivity}: java.lang.ClassCastException: android.support.constraint.ConstraintLayout cannot be cast to android.widget.FrameLayout
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6669)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: java.lang.ClassCastException: android.support.constraint.ConstraintLayout cannot be cast to android.widget.FrameLayout
        at com.example.my_metal_slug.MainActivity.onCreate(MainActivity.java:50)
        at android.app.Activity.performCreate(Activity.java:7136)
        at android.app.Activity.performCreate(Activity.java:7127)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048) 
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) 
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) 
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:193) 
        at android.app.ActivityThread.main(ActivityThread.java:6669) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)