Android学习历程-AlerDialog

 

package com.example.testcontextmenu;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class TestAlertDialog extends Activity {

	private TextView myTextView;
	private Button myButton;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		myTextView =(TextView)findViewById(R.id.myTextView);
		myButton = (Button)findViewById(R.id.myButton);
		
		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
		
		myButton.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				//设置显示信息
				builder.setMessage("真的要删除该记录吗？").setPositiveButton("是", new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// 删除成功
						myTextView.setText("删除成功!");
					}
				}).setNegativeButton("否", new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// 取消删除
						myTextView.setText("取消删除!");
					}
				});
				AlertDialog a = builder.create();
				a.show();
			}
		});
	}

	
}