Tuesday 3 December 2019

Android - APP crashes when I call startActivity() with an impact intent




android:name=".Fisrt"
android:label="@string/title_activity_first" >






android:name=".Second"

android:label="@string/title_activity_second" >










And in my First.java, the code is below.



public final static String MY_ACTION = "com.example.MusicTest.First";

public void change(View view) {
Intent intent = new Intent(First.MY_ACTION);
startActivity(intent);
}



The problem is everytime I call change(), the APP would crash. Any Input will be helpful. Thanks.



/supplement/
The log is below:




08-10 11:59:08.873 17509-17509/com.example.root.musictest W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x41ffcd58)
08-10 11:59:08.873 17509-17509/com.example.root.musictest E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.example.root.musictest, PID: 17509
java.lang.IllegalStateException: Could not execute method of the activity

at android.view.View$1.onClick(View.java:3829)
at android.view.View.performClick(View.java:4444)
at android.view.View$PerformClick.run(View.java:18457)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5034)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:807)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:623)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at android.view.View$1.onClick(View.java:3824)
at android.view.View.performClick(View.java:4444)
at android.view.View$PerformClick.run(View.java:18457)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)

at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5034)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:807)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:623)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.content.ActivityNotFoundException: No Activity found to handle Intent { act=com.example.MusicTest.First }
at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1632)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1424)

at android.app.Activity.startActivityForResult(Activity.java:3439)
at android.app.Activity.startActivityForResult(Activity.java:3400)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:820)
at android.app.Activity.startActivity(Activity.java:3642)
at android.app.Activity.startActivity(Activity.java:3610)
at com.example.root.musictest.First.change(First.java:46)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at android.view.View$1.onClick(View.java:3824)
at android.view.View.performClick(View.java:4444)

at android.view.View$PerformClick.run(View.java:18457)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5034)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:807)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:623)
at dalvik.system.NativeStart.main(Native Method)



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