Android常见控件— — —AlertDialog

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package com.example.uiwidgettest2;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.*;

public class AlertDialogActivity extends Activity{

    private ProgressBar progressBar = null;
    private Button btn1 = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.edittext);

        progressBar = (ProgressBar)findViewById(R.id.progress_bar);
        btn1 = (Button)findViewById(R.id.button1);

        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog.Builder dialog = new AlertDialog.Builder(AlertDialogActivity.this);

                dialog.setTitle("警告框");
                dialog.setMessage("内容");
                dialog.setCancelable(false);
                dialog.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {

                    }
                });
                dialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {

                    }
                });
                dialog.show();


            }
        });


    }

Android常见控件— — —AlertDialog

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原文地址：http://www.cnblogs.com/xkck/p/5228671.html