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我: -安卓getRunningAppProcesses總是返回null
Class Abc extends Activity(){
private ActivityManager am;
private List<RunningAppProcessInfo> rList;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
public void onStart (Bundle savedInstanceState) {
super.onStart(savedInstanceState);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
super.onTouchEvent(event);
rList= am.getRunningAppProcesses();
Log.e("MAIN", rList.isEmpty() +" .");
return true;
}
}
am.getRunningAppProcesses()
總是null
即使我有前景的應用程序運行,運行應用程序也正確地顯示它們。我知道它應該返回null
,如果沒有別的運行,但我推出其他應用程序(Gmail,相機,測試)
這是一個權限問題?