本文实例为大家分享了Android PopupWindow增加半透明蒙层的具体代码,供大家参考,具体内容如下
先看效果图:
实现代码:
BasePopupWindowWithMask.class
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package com.example.popupwindowwithmask; import android.content.Context; import android.graphics.PixelFormat; import android.graphics.drawable.ColorDrawable; import android.os.IBinder; import android.view.KeyEvent; import android.view.View; import android.view.WindowManager; import android.widget.PopupWindow; /** * Created by kk on 2017/7/22. */ public abstract class BasePopupWindowWithMask extends PopupWindow { protected Context context; private WindowManager windowManager; private View maskView; public BasePopupWindowWithMask(Context context) { super (context); this .context = context; windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); setContentView(initContentView()); setHeight(initHeight()); setWidth(initWidth()); setOutsideTouchable( true ); setFocusable( true ); setTouchable( true ); setBackgroundDrawable( new ColorDrawable()); } protected abstract View initContentView(); protected abstract int initHeight(); protected abstract int initWidth(); @Override public void showAsDropDown(View anchor) { addMask(anchor.getWindowToken()); super .showAsDropDown(anchor); } private void addMask(IBinder token) { WindowManager.LayoutParams wl = new WindowManager.LayoutParams(); wl.width = WindowManager.LayoutParams.MATCH_PARENT; wl.height = WindowManager.LayoutParams.MATCH_PARENT; wl.format = PixelFormat.TRANSLUCENT; //不设置这个弹出框的透明遮罩显示为黑色 wl.type = WindowManager.LayoutParams.TYPE_APPLICATION_PANEL; //该Type描述的是形成的窗口的层级关系 wl.token = token; //获取当前Activity中的View中的token,来依附Activity maskView = new View(context); maskView.setBackgroundColor( 0x7f000000 ); maskView.setFitsSystemWindows( false ); maskView.setOnKeyListener( new View.OnKeyListener() { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { removeMask(); return true ; } return false ; } }); /** * 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。 * 比如创建系统顶级窗口,实现悬浮窗口效果! */ windowManager.addView(maskView, wl); } private void removeMask() { if ( null != maskView) { windowManager.removeViewImmediate(maskView); maskView = null ; } } @Override public void dismiss() { removeMask(); super .dismiss(); } } |
TestPopupWindow.class
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package com.example.popupwindowwithmask; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.WindowManager; /** * Created by kk on 2017/7/22. */ public class TestPopupWindow extends BasePopupWindowWithMask { private int [] mIds; private View contentView; private OnItemClickListener listener; public interface OnItemClickListener { void OnItemClick(View v); } public void setOnItemClickListener(OnItemClickListener listener) { this .listener = listener; } public TestPopupWindow(Context context, int [] mIds) { super (context); this .mIds = mIds; initListener(); } @Override protected View initContentView() { contentView = LayoutInflater.from(context).inflate(R.layout.pop_layout, null , false ); return contentView; } private void initListener() { for ( int i = 0 ; i < mIds.length; i++) { contentView.findViewById(mIds[i]).setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { if ( null != listener) { listener.OnItemClick(v); } dismiss(); } }); } } @Override protected int initHeight() { return WindowManager.LayoutParams.WRAP_CONTENT; } @Override protected int initWidth() { return ( int ) ( 0.5 * UIUtils.getScreenWidth(context)); } } |
MainActivity.class
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package com.example.popupwindowwithmask; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_main); textView = (TextView) findViewById(R.id.tv_popup); final TestPopupWindow testPopupWindow = new TestPopupWindow( this , new int []{R.id.pop_location, R.id.pop_group, R.id.pop_list}); textView.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { testPopupWindow.showAsDropDown(textView); } }); testPopupWindow.setOnItemClickListener( new TestPopupWindow.OnItemClickListener() { @Override public void OnItemClick(View v) { switch (v.getId()) { case R.id.pop_location: Toast.makeText(MainActivity. this , "地址" , Toast.LENGTH_SHORT).show(); break ; case R.id.pop_group: Toast.makeText(MainActivity. this , "分组" , Toast.LENGTH_SHORT).show(); break ; case R.id.pop_list: Toast.makeText(MainActivity. this , "清单" , Toast.LENGTH_SHORT).show(); break ; } } }); } } |
pop_layout.xml
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<? xml version = "1.0" encoding = "utf-8" ?> < RelativeLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:layout_width = "wrap_content" android:layout_height = "wrap_content" > < RelativeLayout android:layout_width = "wrap_content" android:layout_height = "wrap_content" > < RelativeLayout android:id = "@+id/rl_indicator" android:layout_width = "match_parent" android:layout_height = "wrap_content" android:gravity = "center_horizontal" > < ImageView android:layout_width = "wrap_content" android:layout_height = "12dp" android:scaleType = "fitCenter" android:src = "@drawable/filter_arrow_up" /> </ RelativeLayout > < LinearLayout android:layout_width = "wrap_content" android:layout_height = "150dp" android:layout_below = "@+id/rl_indicator" android:background = "@drawable/pop_background" android:gravity = "center_horizontal" android:orientation = "vertical" android:paddingLeft = "15dp" android:paddingRight = "15dp" > < TextView android:id = "@+id/pop_location" android:layout_width = "match_parent" android:layout_height = "0dp" android:layout_weight = "1" android:drawableLeft = "@mipmap/fault_equipment_location_icon" android:drawablePadding = "12dp" android:gravity = "center_vertical" android:text = "地址" android:textColor = "#000" android:textSize = "16sp" /> < View android:layout_width = "match_parent" android:layout_height = "0.3dp" android:background = "#D2D2D2" /> < TextView android:id = "@+id/pop_group" android:layout_width = "match_parent" android:layout_height = "0dp" android:layout_weight = "1" android:drawableLeft = "@mipmap/fault_equipment_grouping_icon" android:drawablePadding = "12dp" android:gravity = "center_vertical" android:text = "分组" android:textColor = "#000" android:textSize = "16sp" /> < View android:layout_width = "match_parent" android:layout_height = "0.3dp" android:background = "#D2D2D2" /> < TextView android:id = "@+id/pop_list" android:layout_width = "match_parent" android:layout_height = "0dp" android:layout_weight = "1" android:drawableLeft = "@mipmap/fault_equipment_list_icon" android:drawablePadding = "12dp" android:gravity = "center_vertical" android:text = "清单" android:textColor = "#000" android:textSize = "16sp" /> </ LinearLayout > </ RelativeLayout > </ RelativeLayout > |
pop_background.xml
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<? xml version = "1.0" encoding = "utf-8" ?> < shape xmlns:android = "http://schemas.android.com/apk/res/android" > < solid android:color = "#ffffff" /> < corners android:radius = "5dp" /> </ shape > |
UIUtils.class
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package com.example.popupwindowwithmask; import android.content.Context; /** * Created by kk on 2017/7/22. */ public class UIUtils { /** * 获得屏幕宽度 * * @param context * @return */ public static int getScreenWidth(Context context) { return context.getResources().getDisplayMetrics().widthPixels; } /** * 获得屏幕高度 * * @param context * @return */ public static int getScreenHeight(Context context) { return context.getResources().getDisplayMetrics().heightPixels; } } |
源码:下载地址
参考资料:
链接1
链接2
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_33748378/article/details/75935935?utm_source=blogxgwz4