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how to Kill running applications on Android?

How to kill all running applications in android?

  • I want to kill all running applications in android .so for this task , i implemented following code. But it is not working .App still remains in running. ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); for (RunningAppProcessInfo service : manager.getRunningAppProcesses()) { Log.i("process name " , service.processName); android.os.Process.killProcess(service.pid); } So where does i make mistake in code ? Is there any help ?

  • Answer:

    According to doc http://developer.android.com/reference/android/os/Process.html#killProcess%28int%29 Note that, though this API allows us to request to kill any process based on its PID, the kernel will still impose standard restrictions on which PIDs you are actually able to kill. Typically this means only the process running the caller's packages/application and any additional processes created by that app I test it, and it only kill process hosted my App.

Nandlal Virani at Stack Overflow Visit the source

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You have another possibility if the device is rooted (has superuser rights). You can invoke an external process that would use the su rights. But note that it's probably a bad design as Android OS should be the only one to kill processes. try { Process rootProcess = Runtime.getRuntime().exec(new String[] { "su" }); String command = "kill - 9 <pid>"; BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(rootProcess.getOutputStream()), 2048); try { bw.write(command); bw.newLine(); bw.flush(); } catch (IOException e) { // Handle error } } catch (Exception e) { e.printStackTrace(); // Device not rooted! }

aymeric

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