android学习笔记 对话框合集

package com.zhangbz.dialog;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity {

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

    public void click1(View view) {
        //对话框的创建器
        AlertDialog.Builder builder = new Builder(this);
        builder.setTitle("我是对话框");
        builder.setMessage("对话框显示的内容");
        builder.setPositiveButton("确定", new OnClickListener() {

            @Override
            public void onClick(DialogInterface arg0, int arg1) {
                Toast.makeText(getApplicationContext(), "确定被点击了", 0).show();
            }
        });
        builder.setNegativeButton("取消", new OnClickListener() {

            @Override
            public void onClick(DialogInterface arg0, int arg1) {
                //什么都不写，默认实现就是关闭掉对话框
            }
        });
        builder.setCancelable(false); //设置不能被取消
        //builder.create().show();
        builder.show();
    }
    /**
     * 单选对话框
     * @param view
     */
    public void click2(View view) {
        //对话框创建器
        Builder builder = new Builder(this);
        builder.setTitle("请选择您的性别");
        final String[] items = {"男","女"};
        builder.setSingleChoiceItems(items, 1, new OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(), "您的性别是：" + items[which], 0).show();
                dialog.dismiss();
            }
        });
        builder.show();
    }
    /**
     * 多选对话框
     * @param view
     */
    public void click3(View view) {
        //对话框创建器
        Builder builder = new Builder(this);
        builder.setTitle("请选择您最爱吃的水果");
        final String[] items = {"苹果","梨","菠萝","香蕉"};
        final  boolean[] result = new boolean[]{true,false,true,false};
        builder.setMultiChoiceItems(items, result, new OnMultiChoiceClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which, boolean ischecked) {
                Toast.makeText(getApplicationContext(), items[which] + ischecked, 0).show();
                result[which] = ischecked;
            }
        });
        builder.setPositiveButton("提交", new OnClickListener() {

            @Override
            public void onClick(DialogInterface arg0, int arg1) {
                StringBuffer sb = new StringBuffer();
                for (int i = 0; i < result.length; i++) {
                    if(result[i]) {
                        sb.append(items[i] + ",");
                    }
                }
                Toast.makeText(getApplicationContext(), "你选中了" + sb.toString(), 0).show();
            }
        });
        builder.show();
    }
    //进度条对话框
    public void click4(View view) {
        ProgressDialog pd = new ProgressDialog(this);
        pd.setTitle("提醒");
        pd.setMessage("正在加载数据...请稍等。");
        pd.show();
    }
    //带进度条的对话框
    public void click5(View view) {
        final ProgressDialog pd = new ProgressDialog(this);
        pd.setTitle("提醒");
        pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
        pd.setMax(100);
        pd.setMessage("正在加载数据...请稍等");
        pd.show();
        new Thread() {
            public void run() {
                for (int i = 0; i < 100; i++) {
                    try {
                        Thread.sleep(40);
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    pd.setProgress(i);
                }
                pd.dismiss();
            };
        }.start();
    }
}