public class MainActivity extends ActionBarActivity {
private static ActivityManager am;
private static List<RunningAppProcessInfo> appList;
private static List<RunningTaskInfo> taskList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
}
am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
appList = am.getRunningAppProcesses();
taskList = am.getRunningTasks(100);
for(RunningAppProcessInfo info: appList){
Log.d("linsen",""+info.processName);
}
for(RunningTaskInfo info: taskList){
Log.i("linsen", ""+info.topActivity);
}
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
private Button btn2;
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
btn2 = (Button) rootView.findViewById(R.id.button1);
btn2.setOnClickListener(new OnClickListener() {
@SuppressLint("NewApi")
@Override
public void onClick(View v) {
am.moveTaskToFront(taskList.get(4).id,0);
Log.w("linsen","btn2 onclicked");
moveTask();
}
});
return rootView;
}
}
private static void moveTask() {
// TODO Auto-generated method stub
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
About Fragment, there are 3 import methods:
Fragment.onCreateView; Activity.getSupportFragmentManager;
FragmentManager.beginTransaction;
Fragment.onCreateView;
Activity.getSupportFragmentManager;
FragmentManager.beginTransaction;