自定义列表对话框(一)

dialog.xml如下:

<?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/white"
    android:orientation="vertical" >
<ListView 
    android:id="@+id/listView"
    android:layout_width="270dip"
    android:layout_height="match_parent"
    >
</ListView>

</LinearLayout>

listview_item.xml如下:

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:textAppearance="?android:attr/textAppearanceLarge"
    android:gravity="center"
    android:paddingLeft="6dip"
    android:minHeight="?android:attr/listPreferredItemHeight"
    android:textSize="15dip"
/>

main.xml如下:

<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=".MainActivity" >

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="自定义列表对话框" 
    />


</RelativeLayout>

styles.xml如下:

<resources>
    <style name="AppBaseTheme" parent="android:Theme.Light"></style>
    <style name="AppTheme" parent="AppBaseTheme">
    </style>

    <style name="dialog" parent="@android:style/Theme.Dialog">
        <item name="android:windowFrame">@null</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:backgroundDimEnabled">true</item>
        <item name="android:windowContentOverlay">@null</item>
    </style>

</resources>

mainActivity如下:

package c.c.testdialog;
import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
/**
 * Demo描述:
 * 自定义列表对话框(自定义View中采用ListView)
 * 该例比自定义列表对话框(二)的代码和效果都要好
 * 遇到的问题:
 * 自定义对话框有黑色边框
 * 解决办法:
 * 设置样式(style)
 * 参考资料:
 * http://april19880317.blog.51cto.com/1938095/690380
 */
public class MainActivity extends Activity {
   private Button mButton;
   private View mDialogView;
   private Dialog mDialog;
   private ListView mListView;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		init();
	}
	private void init(){
		mButton=(Button) findViewById(R.id.button);
		mButton.setOnClickListener(new ClickListenerImpl());
	}
	private class ClickListenerImpl implements OnClickListener {
		@Override
		public void onClick(View v) {
			switch (v.getId()) {
			case R.id.button:
				// 弹出自定义对话框
				showDialog();
				break;
			default:
				break;
			}

		}
	}
	private void showDialog(){	
		String[] items = new String[] { "发送电子邮件", "分享到Twitter", "分享到FaceBook"}; 	
		LayoutInflater  layoutInflater=(LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
		mDialogView=layoutInflater.inflate(R.layout.dialog, null);
		mListView=(ListView) mDialogView.findViewById(R.id.listView);
		ArrayAdapter<String> adapter=
		new ArrayAdapter<String>(MainActivity.this, R.layout.listview_item,items); 
		mListView.setAdapter(adapter);
		mListView.setOnItemClickListener(new OnItemClickListener() {
			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {
				switch (arg2) {
				case 0:
                System.out.println("------> 发送电子邮件");
                mDialog.dismiss();
					break;
				case 1:
				System.out.println("------> 分享到Twitter");
				mDialog.dismiss();
					break;
				case 2:
				System.out.println("------> 分享到FaceBook");
				mDialog.dismiss();
					break;
				default:
					break;
				}

			}
		});
		mDialog=new Dialog(MainActivity.this, R.style.dialog);
		mDialog.setContentView(mDialogView);
		mDialog.show();
	
	}
}