Android中AlertDialog各种对话框的用法实例详解

<RelativeLayout 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" 
tools:context=".MainActivity" > 
<Button 
android:id="@+id/btnSure" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:layout_marginTop="10dp" 
android:text="确认对话框"/> 
<Button 
android:id="@+id/btnRadio" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:layout_marginTop="60dp" 
android:text="单选对话框"/> 
<Button 
android:id="@+id/btnCheck" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:layout_marginTop="110dp" 
android:text="多选对话框"/> 
<Button 
android:id="@+id/btnList" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:layout_marginTop="160dp" 
android:text="列表对话框"/> 
<Button 
android:id="@+id/btnMy" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:layout_marginTop="210dp" 
android:text="自定义对话框"/> 
</RelativeLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content" 
android:orientation="vertical" > 
<LinearLayout 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:orientation="horizontal" > 
<EditText 
android:id="@+id/edInput" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content" 
android:layout_weight="2" > 
<requestFocus /> 
</EditText> 
<Button 
android:id="@+id/btnOk" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content" 
android:layout_weight="1" 
android:text="确定" /> 
</LinearLayout> 
<ImageView 
android:id="@+id/ivPicture" 
android:layout_width="wrap_content" 
android:layout_height="280dp" 
android:src="@drawable/white" /> 
<TextView 
android:id="@+id/textView1" 
android:layout_gravity="center" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content" 
android:text="TextView" /> 
</LinearLayout> 

package com.example.alertdialog; 
import android.os.Bundle; 
import android.app.Activity; 
import android.app.AlertDialog; 
import android.content.DialogInterface; 
import android.view.LayoutInflater; 
import android.view.Menu; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 
import android.widget.Toast; 
public class MainActivity extends Activity implements OnClickListener { 
private Button btnSure,btnRadio,btnCheck,btnList,btnMy; 
private String[] sexList={"男","女"};//单选列表 
private String[] likeList={"篮球","足球","打游戏","听音乐","看电影"};//多选列表 
private String[] itemList={"项目经理","策划","测试","美工","程序员"};//列表 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
setContentView(R.layout.activity_main); 
getId();//获取控件id 
click();//按钮绑定点击事件 
} 
/*获取控件id*/ 
private void getId() { 
btnSure = (Button) findViewById(R.id.btnSure); 
btnRadio=(Button) findViewById(R.id.btnRadio); 
btnCheck=(Button) findViewById(R.id.btnCheck); 
btnList=(Button) findViewById(R.id.btnList); 
btnMy=(Button) findViewById(R.id.btnMy); 
} 
/*按钮绑定点击事件*/ 
private void click() { 
btnSure.setOnClickListener(this); 
btnRadio.setOnClickListener(this); 
btnCheck.setOnClickListener(this); 
btnList.setOnClickListener(this); 
btnMy.setOnClickListener(this); 
} 
@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
getMenuInflater().inflate(R.menu.main, menu); 
return true; 
} 
@Override 
public void onClick(View view) { 
switch (view.getId()) { 
case R.id.btnSure: 
showDialog1();//确认对话框 
break; 
case R.id.btnRadio: 
showDialog2();//单选对话框 
break; 
case R.id.btnCheck: 
showDialog3();//多选对话框 
break; 
case R.id.btnList: 
showDialog4(); 
break; 
case R.id.btnMy: 
showDialog5(); 
break; 
} 
} 
/*确认对话框*/ 
private void showDialog1() { 
AlertDialog.Builder builder=new AlertDialog.Builder(this); 
builder.setTitle("确认对话框");//设置标题 
builder.setIcon(R.drawable.ic_launcher);//设置图标 
builder.setMessage("确认对话框提示内容");//设置内容 
/*添加对话框中确定按钮和点击事件*/ 
builder.setPositiveButton("确定",new DialogInterface.OnClickListener() { 
@Override 
public void onClick(DialogInterface arg0, int arg1) { 
Toast.makeText(MainActivity.this,"点击了确定按钮",Toast.LENGTH_SHORT).show(); 
} 
}); 
/*添加对话框中取消按钮和点击事件*/ 
builder.setNegativeButton("取消",new DialogInterface.OnClickListener() { 
@Override 
public void onClick(DialogInterface arg0, int arg1) { 
Toast.makeText(MainActivity.this,"点击了取消按钮",Toast.LENGTH_SHORT).show(); 
} 
}); 
AlertDialog dialog=builder.create();//获取dialog 
dialog.show();//显示对话框 
} 
/*单选对话框*/ 
private void showDialog2() { 
AlertDialog.Builder builder=new AlertDialog.Builder(this); 
builder.setTitle("性别");//设置标题 
builder.setIcon(R.drawable.ic_launcher);//设置图标 
/*参数一位单选列表文字，参数二为默认第几个选中（-1默认不选中），参数三是创建监听器*/ 
builder.setSingleChoiceItems(sexList,-1,new DialogInterface.OnClickListener() { 
@Override 
public void onClick(DialogInterface dialog, int which) { 
String sex=sexList[which]; 
Toast.makeText(MainActivity.this,"这个人性别为"+sex, Toast.LENGTH_SHORT).show(); 
} 
}); 
/*添加对话框中取消按钮点击事件*/ 
builder.setNegativeButton("取消",new DialogInterface.OnClickListener() { 
@Override 
public void onClick(DialogInterface dialog, int which) { 
dialog.dismiss();//关闭对话框 
} 
}); 
AlertDialog dialog=builder.create();//获取dialog 
dialog.show();//显示对话框 
} 
/*多选对话框*/ 
private void showDialog3() { 
AlertDialog.Builder builder=new AlertDialog.Builder(this); 
builder.setTitle("爱好");//设置标题 
builder.setIcon(R.drawable.ic_launcher);//设置图标 
/*参数同单选对话框一样，另外第二个参数默认不选中为null，而不是-1*/ 
builder.setMultiChoiceItems(likeList,null,new DialogInterface.OnMultiChoiceClickListener() { 
@Override 
public void onClick(DialogInterface dialog, int which, boolean isChecked) { 
if(isChecked){ 
Toast.makeText(MainActivity.this,"我喜欢"+likeList[which],Toast.LENGTH_SHORT).show(); 
}else{ 
Toast.makeText(MainActivity.this,"我不喜欢"+likeList[which],Toast.LENGTH_SHORT).show(); 
} 
} 
}); 
/*添加对话框中取消按钮点击事件*/ 
builder.setNegativeButton("取消",new DialogInterface.OnClickListener() { 
@Override 
public void onClick(DialogInterface dialog, int which) { 
dialog.dismiss();//关闭对话框 
} 
}); 
AlertDialog dialog=builder.create();//获取dialog 
dialog.show();//显示对话框 
} 
/*列表对话框*/ 
private void showDialog4() { 
AlertDialog.Builder builder=new AlertDialog.Builder(this); 
builder.setTitle("部门列表");//设置标题 
builder.setIcon(R.drawable.ic_launcher);//设置图标 
builder.setItems(itemList,new DialogInterface.OnClickListener() { 
@Override 
public void onClick(DialogInterface dialog, int which) { 
Toast.makeText(MainActivity.this,"我点击了"+itemList[which],Toast.LENGTH_SHORT).show(); 
} 
}); 
AlertDialog dialog=builder.create();//获取dialog 
dialog.show();//显示对话框 
} 
/*自定义对话框*/ 
private void showDialog5() { 
LayoutInflater inflater=LayoutInflater.from(this); 
View view=inflater.inflate(R.layout.dialog,null);//获取自定义布局 
AlertDialog.Builder builder=new AlertDialog.Builder(this); 
builder.setTitle("自定义对话框");//设置标题 
builder.setIcon(R.drawable.ic_launcher);//设置图标 
builder.setView(view);//设置自定义样式布局到对话框 
AlertDialog dialog=builder.create();//获取dialog 
dialog.show();//显示对话框 
} 
}