Three ways to completely exit Android programs

1. Local methods for Dalvik VMS

Android.os.Process.killProcess (Android.os.Process.myPid ())//Get PID, currently get its own also only the API, otherwise from/PROC in its own enumeration of other processes it, but to illustrate that, Ending other processes does not necessarily have permissions, or it is a mess.
System.exit (0); Normal Java, C # Standard Exit method with a return value of 0 for graceful exit

2. Task Manager method

First of all to demonstrate that the method runs on Android 1.5 API level is more than 3 can, while the need for permission Android.permission.RESTART_PACKAGES, we directly end their package, Directly using the Activitymanager class's Restartpackage method, the parameter is package name, which is passed Getsystemservice (context.activity_service) To instantiate the Activitymanager object, which is provided by the system but needs to be displayed with declarative permissions, so it needs to be considered in a comprehensive way.

3. According to the activity's declaration cycle

We know that the Android window class provides a history stack, which we can skillfully implement using the stack principle, where we add the flag intent.flag_activity_clear_top directly to the intent when opening the b window in a window. When you turn on B, all activity for that process space will be cleared.

In the a window, use the following code to invoke the b window

Intent Intent = new Intent ();
Intent.setclass (Android123.this, Cwj.class);
Intent.setflags (Intent.flag_activity_clear_top); Note the flag setting of the bank
StartActivity (Intent);

Next, in the b window you need to exit directly using the Finish method to exit all.

Three ways to completely exit Android programs