Android(安卓)PopupWindow增加半透明蒙层

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  @Override41  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Activity53   maskView = new View(context);54   maskView.setBackgroundColor(0x7f000000);55   maskView.setFitsSystemWindows(false);56   maskView.setOnKeyListener(new View.OnKeyListener() {57    @Override58    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  @Override81  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   super(context); 27   this.mIds = mIds; 28    29   initListener(); 30  } 31    32  @Override 33  protected View initContentView() { 34   contentView = LayoutInflater.from(context).inflate(R.layout.pop_layout, null, false); 35   return contentView; 36  } 37    38  private void initListener() { 39   for (int i = 0; i < mIds.length; i++) { 40    contentView.findViewById(mIds[i]).setOnClickListener(new View.OnClickListener() { 41     @Override 42     public void onClick(View v) { 43      if (null != listener) { 44       listener.OnItemClick(v); 45      } 46      dismiss(); 47     } 48    }); 49   } 50  } 51  @Override 52  protected int initHeight() { 53   return WindowManager.LayoutParams.WRAP_CONTENT; 54  } 55  @Override 56  protected int initWidth() { 57   return (int) (0.5 * UIUtils.getScreenWidth(context)); 58  } 59 } 60 MainActivity.class 61 ? 62 1 63 2 64 3 65 4 66 5 67 6 68 7 69 8 70 9 71 10 72 11 73 12 74 13 75 14 76 15 77 16 78 17 79 18 80 19 81 20 82 21 83 22 84 23 85 24 86 25 87 26 88 27 89 28 90 29 91 30 92 31 93 32 94 33 95 34 96 35 97 36 98 37 99 38100 39101 40102 41103 42104 43105 44106 45107 package com.example.popupwindowwithmask;108   109 import android.os.Bundle;110 import android.support.v7.app.AppCompatActivity;111 import android.view.View;112 import android.widget.TextView;113 import android.widget.Toast;114   115 public class MainActivity extends AppCompatActivity {116  private TextView textView;117   118  @Override119  protected void onCreate(Bundle savedInstanceState) {120   super.onCreate(savedInstanceState);121   setContentView(R.layout.activity_main);122   textView = (TextView) findViewById(R.id.tv_popup);123   124   125   final TestPopupWindow testPopupWindow = new TestPopupWindow(this, new int[]{R.id.pop_location, R.id.pop_group, R.id.pop_list});126   127   textView.setOnClickListener(new View.OnClickListener() {128    @Override129    public void onClick(View v) {130     testPopupWindow.showAsDropDown(textView);131    }132   });133   134   testPopupWindow.setOnItemClickListener(new TestPopupWindow.OnItemClickListener() {135    @Override136    public void OnItemClick(View v) {137     switch (v.getId()) {138      case R.id.pop_location:139       Toast.makeText(MainActivity.this, "地址", Toast.LENGTH_SHORT).show();140       break;141      case R.id.pop_group:142       Toast.makeText(MainActivity.this, "分组", Toast.LENGTH_SHORT).show();143       break;144      case R.id.pop_list:145       Toast.makeText(MainActivity.this, "清单", Toast.LENGTH_SHORT).show();146       break;147     }148    }149   });150  }151 }

pop_layout.xml

 1 <?xml version="1.0" encoding="utf-8"?> 2 "http://schemas.android.com/apk/res/android" 3  android:layout_width="wrap_content" 4  android:layout_height="wrap_content"> 5    6  <RelativeLayout 7   android:layout_width="wrap_content" 8   android:layout_height="wrap_content"> 9   10   <RelativeLayout11    android:id="@+id/rl_indicator"12    android:layout_width="match_parent"13    android:layout_height="wrap_content"14    android:gravity="center_horizontal">15   16    <ImageView17     android:layout_width="wrap_content"18     android:layout_height="12dp"19     android:scaleType="fitCenter"20     android:src="@drawable/filter_arrow_up" />21   22   23   <LinearLayout24    android:layout_width="wrap_content"25    android:layout_height="150dp"26    android:layout_below="@+id/rl_indicator"27    android:background="@drawable/pop_background"28    android:gravity="center_horizontal"29    android:orientation="vertical"30    android:paddingLeft="15dp"31    android:paddingRight="15dp">32   33    <TextView34     android:id="@+id/pop_location"35     android:layout_width="match_parent"36     android:layout_height="0dp"37     android:layout_weight="1"38     android:drawableLeft="@mipmap/fault_equipment_location_icon"39     android:drawablePadding="12dp"40     android:gravity="center_vertical"41     android:text="地址"42     android:textColor="#000"43     android:textSize="16sp" />44   45    <View46     android:layout_width="match_parent"47     android:layout_height="0.3dp"48     android:background="#D2D2D2" />49   50    <TextView51     android:id="@+id/pop_group"52     android:layout_width="match_parent"53     android:layout_height="0dp"54   55     android:layout_weight="1"56     android:drawableLeft="@mipmap/fault_equipment_grouping_icon"57     android:drawablePadding="12dp"58     android:gravity="center_vertical"59     android:text="分组"60     android:textColor="#000"61     android:textSize="16sp" />62   63    <View64     android:layout_width="match_parent"65     android:layout_height="0.3dp"66     android:background="#D2D2D2" />67   68    <TextView69     android:id="@+id/pop_list"70     android:layout_width="match_parent"71     android:layout_height="0dp"72     android:layout_weight="1"73     android:drawableLeft="@mipmap/fault_equipment_list_icon"74     android:drawablePadding="12dp"75     android:gravity="center_vertical"76     android:text="清单"77     android:textColor="#000"78     android:textSize="16sp" />79   80   81  82

pop_background.xml

1 <?xml version="1.0" encoding="utf-8"?>2 "http://schemas.android.com/apk/res/android">3  "#ffffff" />4  <corners5   android:radius="5dp" />6

UIUtils.class

 1 package com.example.popupwindowwithmask; 2    3 import android.content.Context; 4    5 /** 6  * Created by kk on 2017/7/22. 7  */ 8    9 public class UIUtils {10  /**11   * 获得屏幕宽度12   *13   * @param context14   * @return15   */16  public static int getScreenWidth(Context context) {17   return context.getResources().getDisplayMetrics().widthPixels;18  }19   20  /**21   * 获得屏幕高度22   *23   * @param context24   * @return25   */26  public static int getScreenHeight(Context context) {27   return context.getResources().getDisplayMetrics().heightPixels;28  }29   30 }

https://github.com/ganchuanpu/AndroidPopupWindowWithMask.git

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