[游戏开发]安卓获取已创建的悬浮窗集合

WindowManager.addView(View,WindowManager.LayoutParams);
获取addView后的List集合

try {
            Class<?> wmGlobalClz = Class.forName("android.view.WindowManagerGlobal");
            Method getInstanceMethod = wmGlobalClz.getMethod("getInstance");
            Object mGlobal = getInstanceMethod.invoke(null);
            //private final ArrayList<View> mViews = new ArrayList<View>();
            Field mViewsField = wmGlobalClz.getDeclaredField("mViews");
            mViewsField.setAccessible(true);
            ArrayList<View> mViews = (ArrayList<View>) mViewsField.get(mGlobal);

            //private final ArrayList<ViewRootImpl> mRoots = new ArrayList<ViewRootImpl>();
            Field mRootsField = wmGlobalClz.getDeclaredField("mRoots");
            mRootsField.setAccessible(true);
            ArrayList<?> mRoots = (ArrayList<?>) mRootsField.get(mGlobal);

            //private final ArrayList<WindowManager.LayoutParams> mParams = new ArrayList<WindowManager.LayoutParams>();
            Field mParamsField = wmGlobalClz.getDeclaredField("mParams");
            mParamsField.setAccessible(true);
            ArrayList<WindowManager.LayoutParams> mParams = (ArrayList<WindowManager.LayoutParams>) mParamsField.get(mGlobal);

            //private final ArraySet<View> mDyingViews = new ArraySet<View>();
            //java.util.ArraySet
            @SuppressLint("SoonBlockedPrivateApi")
            Field mDyingViewsField = wmGlobalClz.getDeclaredField("mDyingViews");
            mDyingViewsField.setAccessible(true);
            Object mDyingViews = mParamsField.get(mGlobal);

            for(View view : mViews){
                Log.d("Test",view.getClass().getName());
            }
            for(WindowManager.LayoutParams param : mParams){
                Log.d("Test",param.toString()+"----"+param.getTitle());
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }