悬浮窗口及菜单demo

package com.example.zxc.demoapplication; import android.content.Context; import android.graphics.PixelFormat; import android.util.Log; import android.view.Gravity; import android.view.WindowManager; /** * Created by zxc on 17/1/21. */ public class FloatWindowManager { private static final String TAG = FloatWindowManager.class.getSimpleName(); private WindowManager mWindowManger; private static FloatWindowManager floatWindowManager; private FloatLayout floatLayout; private WindowManager.LayoutParams smallLayoutParams; private Context context; private FloatWindowManager() { } private FloatWindowManager(Context context) { this.context = context; } public static FloatWindowManager instance(Context context) { if (floatWindowManager == null) floatWindowManager = new FloatWindowManager(context); return floatWindowManager; } private MenuLayout menuLayout; private WindowManager.LayoutParams menuLayoutParams; public void createFloatMenu() { if (menuLayout != null) return; Log.d(TAG, "create float menu"); WindowManager windowManager = getWindowManger(context); if (menuLayout == null){ menuLayout = new MenuLayout(context); menuLayoutParams = new WindowManager.LayoutParams(); menuLayoutParams.type = WindowManager.LayoutParams.TYPE_PHONE; menuLayoutParams.format = PixelFormat.RGBA_8888; } windowManager.addView(menuLayout,menuLayoutParams); } public void createFloatWindow() { if (isWindowShowing()) return; WindowManager windowManager = getWindowManger(context); int screenWidth = windowManager.getDefaultDisplay().getWidth(); int screenHeight = windowManager.getDefaultDisplay().getHeight(); if (floatLayout == null) { floatLayout = new FloatLayout(context); if (smallLayoutParams == null) { smallLayoutParams = new WindowManager.LayoutParams(); smallLayoutParams.type = WindowManager.LayoutParams.TYPE_PHONE; smallLayoutParams.format = PixelFormat.RGBA_8888; smallLayoutParams.flags = WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; smallLayoutParams.gravity = Gravity.LEFT | Gravity.TOP; smallLayoutParams.width = FloatLayout.viewWidth; smallLayoutParams.height = FloatLayout.viewHeight; smallLayoutParams.x = screenWidth; smallLayoutParams.y = screenHeight / 2; } } windowManager.addView(floatLayout,smallLayoutParams); } private WindowManager getWindowManger(Context context) { if (mWindowManger == null) { mWindowManger = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); } return mWindowManger; } public boolean isWindowShowing() { return floatLayout != null; } public void removeMenuLayout() { if (menuLayout == null) return; getWindowManger(context).removeView(menuLayout); menuLayout = null; } }