Google Android - это несложно

Код: Выделить всё

Button likeBtn = (Button) findViewById(R.id.likeBtn);

Код: Выделить всё

08-28 14:45:34.160: D/AndroidRuntime(9666): Shutting down VM
08-28 14:45:34.160: W/dalvikvm(9666): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
08-28 14:45:34.189: E/AndroidRuntime(9666): FATAL EXCEPTION: main
08-28 14:45:34.189: E/AndroidRuntime(9666): java.lang.RuntimeException: Unable to start activity ComponentInfo{...}: java.lang.ClassCastException: android.widget.ImageButton
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.ActivityThread.access$2300(ActivityThread.java:125)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.os.Handler.dispatchMessage(Handler.java:99)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.os.Looper.loop(Looper.java:123)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.ActivityThread.main(ActivityThread.java:4627)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at java.lang.reflect.Method.invokeNative(Native Method)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at java.lang.reflect.Method.invoke(Method.java:521)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at dalvik.system.NativeStart.main(Native Method)
08-28 14:45:34.189: E/AndroidRuntime(9666): Caused by: java.lang.ClassCastException: android.widget.ImageButton
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at com....GameActivity.onCreate(GameActivity.java:42)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
08-28 14:45:34.189: E/AndroidRuntime(9666): 	... 11 more
08-28 14:45:36.370: I/Process(9666): Sending signal. PID: 9666 SIG: 9