ActivityManager mActivityManager = MyManager.getActivityManager(mContext);    List<ActivityManager.RunningAppProcessInfo> process = mActivityManager.getRunningAppProcesses();    for(int i=0;i<process.size();i++){     ActivityManager.RunningAppProcessInfo ar = process.get(i);     String packageName = ar.processName;     packageName = packageName.split(":")[0];     //重要級別大于200，并且不被信任的后臺將被殺掉     if(ar.importance>100 && !MyManager.isTrust(packageName)){      MyManager.getActivityManager(mContext).killBackgroundProcesses(packageName);     }    }

 WindowManager windowManager = getWindowManager(context);    int screenWidth = windowManager.getDefaultDisplay().getWidth();   int screenHeight = windowManager.getDefaultDisplay().getHeight();    if(mSmallFloatWin==null){    mSmallFloatWin = new SmallFloatWin(context);    if (smallWindowParams == null) {      smallWindowParams = new LayoutParams();      smallWindowParams.type = LayoutParams.TYPE_PHONE;      smallWindowParams.format = PixelFormat.RGBA_8888;      smallWindowParams.flags = LayoutParams.FLAG_NOT_TOUCH_MODAL        | LayoutParams.FLAG_NOT_FOCUSABLE;      smallWindowParams.gravity = Gravity.LEFT | Gravity.TOP;      smallWindowParams.width = SmallFloatWin.viewWidth;      smallWindowParams.height = SmallFloatWin.viewHeight;      smallWindowParams.x = screenWidth;      smallWindowParams.y = screenHeight / 2;     }     mSmallFloatWin.setParams(smallWindowParams);    windowManager.addView(mSmallFloatWin, smallWindowParams);    }