先看效果图：
BasePopupWindowWithMask.class
1 package com.example.popupwindowwithmask; 2 3 import android.content.Context; 4 import android.graphics.PixelFormat; 5 import android.graphics.drawable.ColorDrawable; 6 import android.os.IBinder; 7 import android.view.KeyEvent; 8 import android.view.View; 9 import android.view.WindowManager; 10 import android.widget.PopupWindow; 11 12 /** 13 * Created by kk on 2017/7/22. 14 */ 15 16 public abstract class BasePopupWindowWithMask extends PopupWindow { 17 protected Context context; 18 private WindowManager windowManager; 19 private View maskView; 20 21 public BasePopupWindowWithMask(Context context) { 22 super(context); 23 this.context = context; 24 windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); 25 setContentView(initContentView()); 26 setHeight(initHeight()); 27 setWidth(initWidth()); 28 setOutsideTouchable(true); 29 setFocusable(true); 30 setTouchable(true); 31 setBackgroundDrawable(new ColorDrawable()); 32 } 33 34 protected abstract View initContentView(); 35 36 protected abstract int initHeight(); 37 38 protected abstract int initWidth(); 39 40 @Override 41 public void showAsDropDown(View anchor) { 42 addMask(anchor.getWindowToken()); 43 super.showAsDropDown(anchor); 44 } 45 46 private void addMask(IBinder token) { 47 WindowManager.LayoutParams wl = new WindowManager.LayoutParams(); 48 wl.width = WindowManager.LayoutParams.MATCH_PARENT; 49 wl.height = WindowManager.LayoutParams.MATCH_PARENT; 50 wl.format = PixelFormat.TRANSLUCENT;//不设置这个弹出框的透明遮罩显示为黑色 51 wl.type = WindowManager.LayoutParams.TYPE_APPLICATION_PANEL;//该Type描述的是形成的窗口的层级关系 52 wl.token = token;//获取当前Activity中的View中的token,来依附Activity 53 maskView = new View(context); 54 maskView.setBackgroundColor(0x7f000000); 55 maskView.setFitsSystemWindows(false); 56 maskView.setOnKeyListener(new View.OnKeyListener() { 57 @Override 58 public boolean onKey(View v, int keyCode, KeyEvent event) { 59 if (keyCode == KeyEvent.KEYCODE_BACK) { 60 removeMask(); 61 return true; 62 } 63 return false; 64 } 65 }); 66 /** 67 * 通过WindowManager的addView方法创建View，产生出来的View根据WindowManager.LayoutParams属性不同，效果也就不同了。 68 * 比如创建系统顶级窗口，实现悬浮窗口效果！ 69 */ 70 windowManager.addView(maskView, wl); 71 } 72 73 private void removeMask() { 74 if (null != maskView) { 75 windowManager.removeViewImmediate(maskView); 76 maskView = null; 77 } 78 } 79 80 @Override 81 public void dismiss() { 82 removeMask(); 83 super.dismiss(); 84 } 85 }
TestPopupWindow.class
1 package com.example.popupwindowwithmask; 2 3 import android.content.Context; 4 import android.view.LayoutInflater; 5 import android.view.View; 6 import android.view.WindowManager; 7 8 /** 9 * Created by kk on 2017/7/22. 10 */ 11 12 public class TestPopupWindow extends BasePopupWindowWithMask { 13 private int[] mIds; 14 private View contentView; 15 private OnItemClickListener listener; 16 17 public interface OnItemClickListener { 18 void OnItemClick(View v); 19 } 20 21 public void setOnItemClickListener(OnItemClickListener listener) { 22 this.listener = listener; 23 } 24 25 public TestPopupWindow(Context context, int[] mIds) { 26 s