在工作过程序中遇到一个需要完全关闭应用程序的问题,在网络上找了一大堆的文章,每篇都是用 System.exit(0) 或者 android.os.Process.killProcess(android.os.Process.myPid()) 这两种方法,但是我试过了, System.exit(0) 这个根本不行,而 android.os.Process.killProcess(android.os.Process.myPid()) 这个只能关闭当前的 Activity ,也就是对于一个只有单个 Activity 的应用程序有效,如果对于有多外 Activity 的应用程序它就无能为力了。
下面我介绍一下对于多个 Activity 的应用程序的完全关闭方法:
在 ActivityManager 类中提供了如下的方法:
- /**
- * Have the system perform a force stop of everything associated with
- * the given application package. All processes that share its uid
- * will be killed, all services it has running stopped, all activities
- * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED}
- * broadcast will be sent, so that any of its registered alarms can * be stopped, notifications removed, etc.
- *
- * You must hold the permission * {@link android.Manifest.permission#RESTART_PACKAGES} to be able to
- * call this method.
- *
- * @param packageName The name of the package to be stopped.
- */
- public void restartPackage(String packageName) {
- try {
- ActivityManagerNative.getDefault().restartPackage(packageName);
- }
- catch (RemoteException e) { }
- }
所以如果要关闭整个应用程序的话只需要运行以下两行代码就行:
ActivityManager activityMgr= (ActivityManager) this.getSystemService(ACTIVITY_SERVICE );
activityMgr.restartPackage(getPackageName());
最后还需要添加这个权限才行:
<!-- 关闭应用程序的权限 -->
<uses-permission android:name=/"android.permission.RESTART_PACKAGES/" />