测试代码:
package com.zzw.testpopuwindows; import android.app.Activity; import android.graphics.Color; import android.os.Bundle; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.widget.Button; import android.widget.PopupWindow; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final Button button = (Button) findViewById(R.id.button); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { LayoutInflater inflater = MainActivity.this.getLayoutInflater(); View view = inflater.inflate(R.layout.item, null); PopupWindow mPopupWindow = new PopupWindow(view, 500, 300); //设置背景的目的是使setOutsideTouchable方法生效 mPopupWindow.setBackgroundDrawable(getResources().getDrawable(R.drawable.ic_launcher)); mPopupWindow.setOutsideTouchable(true);//在外点击消失 // mPopupWindow.showAsDropDown(button); mPopupWindow.showAtLocation(MainActivity.this.getWindow().getDecorView(), Gravity.CENTER, 0, 0); } }); } }
item.xml:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@android:color/darker_gray" android:orientation="vertical" > <ImageView android:layout_gravity="center" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" /> <TextView android:layout_gravity="center" android:gravity="center" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="PopupWindow显示" android:textColor="@android:color/holo_red_light" /> </LinearLayout>