package com.yanis.demo;import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout.LayoutParams;
import android.widget.PopupWindow;public class PopupWindowActivity extends Activity {PopupWindow pop;Button btn;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_popup_window);btn = (Button) findViewById(R.id.btnShowWindow);LayoutInflater inflater = LayoutInflater.from(this);// 引入窗口配置文件 - 即弹窗的界面View view = inflater.inflate(R.layout.my_popup_window, null);// PopupWindow实例化pop = new PopupWindow(view, LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT, false);btn.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {if (pop.isShowing()) {// 隐藏窗口，如果设置了点击窗口外消失，则不需要此方式隐藏
                    pop.dismiss();} else {// 弹出窗口显示内容视图,默认以锚定视图的左下角为起点，这里为点击按钮
                    pop.showAsDropDown(v);}}});}
}

package com.yanis.popup_window;import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout.LayoutParams;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener,OnKeyListener {PopupWindow pop;TextView hideView;Button btnCancel;ImageView btnNight, btnWord, btnExit;View view;boolean isOut, isIn;// 是否弹窗显示
@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();initData();}/*** 初始化组件*/private void initView() {hideView = (TextView) findViewById(R.id.hideView);LayoutInflater inflater = LayoutInflater.from(this);// 引入窗口配置文件 - 即弹窗的界面view = inflater.inflate(R.layout.menu_view, null);btnNight = (ImageView) view.findViewById(R.id.btnNight);btnWord = (ImageView) view.findViewById(R.id.btnWord);btnExit = (ImageView) view.findViewById(R.id.btnExit);btnCancel = (Button) view.findViewById(R.id.btnCancel);}/*** 初始化数据*/private void initData() {btnNight.setOnClickListener(this);btnWord.setOnClickListener(this);btnExit.setOnClickListener(this);btnCancel.setOnClickListener(this);view.setFocusableInTouchMode(true);view.setOnKeyListener(this);// PopupWindow实例化pop = new PopupWindow(view, LayoutParams.MATCH_PARENT,LayoutParams.WRAP_CONTENT, true);/*** PopupWindow 设置*/// pop.setFocusable(true); //设置PopupWindow可获得焦点// pop.setTouchable(true); //设置PopupWindow可触摸// pop.setOutsideTouchable(true); // 设置非PopupWindow区域可触摸// 设置PopupWindow显示和隐藏时的动画
        pop.setAnimationStyle(R.style.MenuAnimationFade);/*** 改变背景可拉的弹出窗口。后台可以设置为null。 这句话必须有，否则按返回键popwindow不能消失 或者加入这句话* ColorDrawable dw = new* ColorDrawable(-00000);pop.setBackgroundDrawable(dw);*/pop.setBackgroundDrawable(new BitmapDrawable());}/*** 按钮点击事件监听* * @param v*/@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.btnNight:changePopupWindowState();Toast.makeText(MainActivity.this, "你点击了夜间模式", Toast.LENGTH_SHORT).show();break;case R.id.btnWord:changePopupWindowState();Toast.makeText(MainActivity.this, "你点击了文本模式", Toast.LENGTH_SHORT).show();break;case R.id.btnExit:exitTheDemo();break;case R.id.btnCancel:changePopupWindowState();break;}}/*** 退出程序*/private void exitTheDemo() {changePopupWindowState();new AlertDialog.Builder(MainActivity.this).setMessage("确定退出这个 Demo 吗？").setPositiveButton("确定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {finish();}}).setNegativeButton("取消", null).show();}/*** 改变 PopupWindow 的显示和隐藏*/private void changePopupWindowState() {if (pop.isShowing()) {// 隐藏窗口，如果设置了点击窗口外消失，则不需要此方式隐藏
            pop.dismiss();} else {// 弹出窗口显示内容视图,默认以锚定视图的左下角为起点，这里为点击按钮pop.showAtLocation(hideView, Gravity.BOTTOM, 0, 0);}}// Called when a key was pressed down and not handled by any of the views// inside of the activity
    @Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {switch (keyCode) {case KeyEvent.KEYCODE_MENU:// 菜单键监听isOut = true;changePopupWindowState();break;}return super.onKeyDown(keyCode, event);}// Called when a hardware key is dispatched to a view.
    @Overridepublic boolean onKey(View v, int keyCode, KeyEvent event) {switch (keyCode) {case KeyEvent.KEYCODE_MENU:if (isOut && !isIn) {isOut = false;isIn = true;} else if (!isOut && isIn) {isIn = false;changePopupWindowState();}break;}return false;}}