丰富多彩的Dialog之AlertDialog.Builder

import java.util.Calendar;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.content.DialogInterface;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.Toast;

public class DialogActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_dialog);
//效果
overridePendingTransition(android.R.anim.slide_in_left,android.R.anim.slide_out_right);
loginDialog(); //登录框
itemDialog(); //选项框
mutilDialog(); //多选框
dateDialog(); //日期框
sexDialog(); //性别选择框
}

//login
private void loginDialog(){
Button loginBtn=(Button)findViewById(R.id.loginDialog);
loginBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Builder builder=new AlertDialog.Builder(DialogActivity.this);

builder.setIcon(R.drawable.add);

builder.setTitle("奋斗吧");

//加载layout,也可以用findViewById
LayoutInflater inflater = LayoutInflater.from(DialogActivity.this);
View loginview=inflater.inflate(R.layout.login, null);

builder.setView(loginview);
builder.setPositiveButton("开始", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
}
});
builder.setNegativeButton("放弃", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//关闭
dialog.dismiss();
}
});
//显示对话框
builder.show();
}
});
}

//item
private void itemDialog(){
Button loginBtn=(Button)findViewById(R.id.itemDialog);
//选项被单击的时候
loginBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Builder builder=new AlertDialog.Builder(DialogActivity.this);
final String stulist[]=getResources().getStringArray(R.array.stulist);
builder.setTitle("奋斗吧");
builder.setItems(stulist , new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), "你选中了"+stulist[which], Toast.LENGTH_SHORT).show();
}
});
//显示对话框
builder.show();
}
});
}

//多选框
private void mutilDialog(){
Button loginBtn=(Button)findViewById(R.id.mutilDialog);
loginBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Builder builder=new AlertDialog.Builder(DialogActivity.this);
final String stulist[]=getResources().getStringArray(R.array.stulist); //资源数组
final boolean []checkedItems=new boolean[stulist.length];	 //选中状态
for (int i = 0; i < stulist.length; i++) {
checkedItems[i]=false; //默认全部不选
}
builder.setTitle("奋斗吧");
builder.setMultiChoiceItems(stulist, checkedItems, new OnMultiChoiceClickListener() {

@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
checkedItems[which]=isChecked;  //记录点击的那个的状态
}
});
builder.setPositiveButton("开始", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
StringBuffer items=new StringBuffer();
for (int i = 0; i < checkedItems.length; i++) {
if(checkedItems[i]){
items.append(stulist[i]);
}
}
Toast t=Toast.makeText(getApplicationContext(), "你选中了"+items, Toast.LENGTH_SHORT);
t.setGravity(Gravity.BOTTOM | Gravity.CENTER, 0, 100);
t.setMargin(0.0f, 0.0f);
t.show();
}
});
//显示对话框
builder.show();
}
});
}

//日期框
private void dateDialog(){
Button dateDialogButton = (Button) findViewById(R.id.dateDialog);
dateDialogButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
Calendar calendar = Calendar.getInstance();

DatePickerDialog datePicker = new DatePickerDialog(
DialogActivity.this, new OnDateSetListener() {
@Override
public void onDateSet(DatePicker date, int y,
int m, int d) {
String sd = y + "年" + (m+1) + "月" + d + "日";
Toast.makeText(getApplicationContext(),
"你选择的日期是：" + sd, Toast.LENGTH_SHORT)
.show();
}
}, calendar.get(Calendar.YEAR), calendar
.get(Calendar.MONTH), calendar
.get(Calendar.DAY_OF_MONTH));
//显示
datePicker.show();
}
});
}

//单选框
private void sexDialog(){
Button sexBtn = (Button) findViewById(R.id.sexDialog);
sexBtn.setOnClickListener(new OnClickListener() {
int selectIndex=0;
@Override
public void onClick(View view) {
final String[] sexs = new String[] {"男","女"};
Builder builder = new AlertDialog.Builder(DialogActivity.this);
builder.setTitle("选择性别");
builder.setSingleChoiceItems(sexs, 1,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int position) {
selectIndex = position;
}
});
builder.setPositiveButton("确定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int position) {
Toast.makeText(getApplicationContext(),
"你选择了" + sexs[selectIndex],
Toast.LENGTH_SHORT).show();
}
});
builder.show();
}
});
}
}

自定义的登录布局 : login.xml

<?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:orientation="vertical"
android:id="@+id/loginLayout">

<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
android:text="用户名"
/>
<EditText android:layout_width="match_parent" android:layout_height="wrap_content"/>
</LinearLayout>

<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content"
android:text="密码"
/>
<EditText android:layout_width="match_parent" android:layout_height="wrap_content"/>
</LinearLayout>
</LinearLayout>

选项的资源文件：

<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="stulist">
<item>黄晓明</item>
<item>朱莉</item>
<item>李菲菲</item>
<item>李小名</item>
<item>李雪</item>
</string-array>
</resources>

总的配置文件：activity_dialog.xml

<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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".DialogActivity"
android:orientation="vertical" >

<Button android:id="@+id/loginDialog" style="@style/btnStyle" android:text="logindialog" />
<Button android:id="@+id/itemDialog" style="@style/btnStyle" android:text="itemdialog" />
<Button android:id="@+id/mutilDialog" style="@style/btnStyle" android:text="mutildialog" />
<Button android:id="@+id/dateDialog" style="@style/btnStyle" android:text="datedialog" />
<Button android:id="@+id/sexDialog" style="@style/btnStyle" android:text="sexdialog" />

</LinearLayout>