Android对话框的几种形式

<LinearLayout 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"
android:orientation="vertical">

<Button
android:id="@+id/button1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="普通对话框" />

<Button
android:id="@+id/button2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="3个按钮对话框" />

<Button
android:id="@+id/button3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="输入框" />

<Button
android:id="@+id/button4"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="单选框" />

<Button
android:id="@+id/button5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="多选框" />

<Button
android:id="@+id/button6"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="自定义对话框" />

<Button
android:id="@+id/button7"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="时间对话框" />

<Button
android:id="@+id/button8"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="进度条" />

</LinearLayout>

package cn.lebo.testdialog;

import android.support.v7.app.ActionBarActivity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.*;
import android.view.View.*;
import android.widget.*;

public class MainActivity extends ActionBarActivity implements OnClickListener {

private Button btn1 = null;
private Button btn2 = null;
private Button btn3 = null;
private Button btn4 = null;
private Button btn5 = null;
private Button btn6 = null;
private Button btn7 = null;
private Button btn8 = null;

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

btn1 = (Button) findViewById(R.id.button1);
btn2 = (Button) findViewById(R.id.button2);
btn3 = (Button) findViewById(R.id.button3);
btn4 = (Button) findViewById(R.id.button4);
btn5 = (Button) findViewById(R.id.button5);
btn6 = (Button) findViewById(R.id.button6);
btn7 = (Button) findViewById(R.id.button7);
btn8 = (Button) findViewById(R.id.button8);

btn1.setOnClickListener(this);
btn2.setOnClickListener(this);
btn3.setOnClickListener(this);
btn4.setOnClickListener(this);
btn5.setOnClickListener(this);
btn6.setOnClickListener(this);
btn7.setOnClickListener(this);
btn8.setOnClickListener(this);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}

public void onClick(View v) {

switch(v.getId()){

case R.id.button1:
dialog1();
break;
case R.id.button2:
dialog2();
break;

case R.id.button3:
dialog3();
break;

case R.id.button4:
dialog4();
break;

case R.id.button5:
dialog5();
break;

case R.id.button6:
dialog6();
break;

case R.id.button7:
dialog7();
break;

case R.id.button8:
dialog8();
break;

default:
break;
}
}

protected void dialog1(){

AlertDialog.Builder builder = new Builder(MainActivity.this);
builder.setMessage("确认退出吗");
builder.setTitle("提示");
builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
MainActivity.this.finish();
}
});

builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
builder.create().show();
}

protected void dialog2(){

AlertDialog.Builder builder2 = new Builder(MainActivity.this);
builder2.setTitle("明星调查");
builder2.setMessage("您喜欢范冰冰吗?");
builder2.setIcon(R.drawable.cat);

builder2.setPositiveButton("很喜欢", new DialogInterface.OnClickListener(){

@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "我很喜欢范冰冰哦", Toast.LENGTH_LONG).show();
}

});

builder2.setNegativeButton("不喜欢", new DialogInterface.OnClickListener(){

@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "我不太喜欢她", Toast.LENGTH_LONG).show();
}

});

builder2.setNeutralButton("一般", new DialogInterface.OnClickListener(){

@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "对他不是很感冒", Toast.LENGTH_LONG).show();
}

});

builder2.create().show();
}

protected void dialog3(){
AlertDialog.Builder builder3 = new Builder(MainActivity.this);
builder3.setTitle("请输入信息");
builder3.setIcon(R.drawable.warn);
builder3.setView(new EditText(this));
builder3.setPositiveButton("确定", null);
builder3.setNegativeButton("取消", null);
builder3.create().show();
}

protected void dialog4(){
AlertDialog.Builder builder4 = new Builder(MainActivity.this);
builder4.setTitle("单选框");
builder4.setIcon(R.drawable.warn);
builder4.setSingleChoiceItems(new String[]{"宋茜","古力娜扎"}, 0, new DialogInterface.OnClickListener(){

@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}});
builder4.setNegativeButton("取消", null);
builder4.create().show();
}

protected void dialog5(){
AlertDialog.Builder builder5 = new Builder(MainActivity.this);
builder5.setTitle("您喜欢哪些明星?");
builder5.setMultiChoiceItems(new String[] {"范冰冰","高圆圆","Angelababy","章子怡","李冰冰","周迅"}, null, null);
builder5.setPositiveButton("确定", null);
builder5.setNegativeButton("取消", null);
builder5.create().show();
}

protected void dialog6(){
LayoutInflater layoutinflater = getLayoutInflater();
View view = layoutinflater.inflate(R.layout.login, null);
EditText edit_user = (EditText) view.findViewById(R.id.edit_user);
EditText edit_passwd = (EditText) view.findViewById(R.id.edit_passwd);
final String user_name = edit_user.getText().toString();
final String pass_wd = edit_passwd.getText().toString();

Builder dialog=new AlertDialog.Builder(MainActivity.this);
dialog.setTitle("用户登陆");
dialog.setMessage("登陆");
dialog.setView(view);
dialog.setPositiveButton("登陆", new DialogInterface.OnClickListener(){

@Override
public void onClick(DialogInterface dialog, int which) {
if(user_name.equals("water")&& pass_wd.equals("123abc")){
Toast.makeText(MainActivity.this, "登陆成功", Toast.LENGTH_LONG).show();
}else{
Toast.makeText(MainActivity.this, "登陆失败", Toast.LENGTH_LONG).show();
}
}

});
dialog.setNegativeButton("取消", new DialogInterface.OnClickListener(){

@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub

}

});
dialog.create();
dialog.show();
}

protected void dialog7(){
Dialog dialog = new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener(){

@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
Toast.makeText(MainActivity.this, "您选择的时间是： " + year +"年"+ monthOfYear + "月" + dayOfMonth + "日" , Toast.LENGTH_LONG).show();
}

}, 2015, 8, 1);

dialog.show();
}

protected void dialog8(){
final ProgressDialog dialog = ProgressDialog.show(MainActivity.this, "正在搜索网络", "请稍候");
new Thread(){
public void run(){
try{
Thread.sleep(3000);
}catch(InterruptedException e){
e.printStackTrace();
}
finally{
dialog.dismiss();
}
}
}.start();

}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView

android:layout_width="60dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="用户名：" />
<EditText
android:id="@+id/edit_user"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="88"
android:text="water" />

</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView

android:layout_width="60dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="密码：" />
<EditText
android:id="@+id/edit_passwd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="88"
android:password="true"
android:text="123abc" />

</LinearLayout>

</LinearLayout>