android近期打开,Android 打开系统最近任务及最近应用方法

Class serviceManagerClass;

try {

serviceManagerClass = Class.forName("android.os.ServiceManager");

Method getService = serviceManagerClass.getMethod("getService",

String.class);

IBinder retbinder = (IBinder) getService.invoke(

serviceManagerClass, "statusbar");

Class statusBarClass = Class.forName(retbinder

.getInterfaceDescriptor());

Object statusBarObject = statusBarClass.getClasses()[0].getMethod(

"asInterface", IBinder.class).invoke(null,

new Object[] { retbinder });

Method clearAll = statusBarClass.getMethod("toggleRecentApps");

clearAll.setAccessible(true);

clearAll.invoke(statusBarObject);

} catch (ClassNotFoundException e) {

e.printStackTrace();

} catch (NoSuchMethodException e) {

e.printStackTrace();

} catch (IllegalArgumentException e) {

e.printStackTrace();

} catch (IllegalAccessException e) {

e.printStackTrace();

} catch (InvocationTargetException e) {

e.printStackTrace();

} catch (RemoteException e) {

e.printStackTrace();

}

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android 打开系统相机，

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