学步园

效果图

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="${packageName}.${activityClass}" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="弹出Dialog" />

</RelativeLayout>

custom_dialog.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:orientation="vertical" >

    <ListView
        android:id="@+id/lv_dialog"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </ListView>

</LinearLayout>

listview_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:orientation="horizontal" >

    <TextView
        android:id="@+id/name"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:gravity="center"
        android:text="姓名"
        android:textSize="18sp" />

    <TextView
        android:id="@+id/age"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:gravity="center"
        android:text="年龄"
        android:textSize="18sp" />

</LinearLayout>

MyCustomDialog.java

package com.example.mydialog;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.app.Dialog;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class MyCustomDialog extends Dialog {

	public MyCustomDialog(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
	}

	public MyCustomDialog(Context context, int theme) {
		super(context);
		// TODO Auto-generated constructor stub
	}

	public static class Builder {

		private Context context;
		private ListView listView;
		private String[] names = new String[] { "张三", "李四", "王五" };
		private String[] ages = new String[] { "10", "20", "30" };

		public Builder(Context context) {
			this.context = context;
		}

		public MyCustomDialog create() {
			LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			final MyCustomDialog customDialog = new MyCustomDialog(context);
			View view = inflater.inflate(R.layout.custom_dialog, null);
			listView = (ListView) view.findViewById(R.id.lv_dialog);
			LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
			customDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); //不显示标题栏
			customDialog.addContentView(view, layoutParams);
			bindAdapter();
			customDialog.setContentView(view);
			return customDialog;
		}

		private void bindAdapter() {
			SimpleAdapter adapter = new SimpleAdapter(context, getData(), R.layout.listview_item, new String[] { "name", "age" }, new int[] { R.id.name, R.id.age });
			listView.setAdapter(adapter);
		}

		private List<HashMap<String, String>> getData() {
			List<HashMap<String, String>> maps = new ArrayList<HashMap<String, String>>();
			for (int i = 0; i < names.length; i++) {
				HashMap<String, String> map = new HashMap<String, String>();
				map.put("name", names[i]);
				map.put("age", ages[i]);
				maps.add(map);
			}
			return maps;
		}
	}
}

MainActivity.java

package com.example.mydialog;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {

	private MyCustomDialog.Builder dialog;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		Button button = (Button) findViewById(R.id.button1);
		dialog = new MyCustomDialog.Builder(this);
		button.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				dialog.create().show();
			}
		});
	}
}