<?xml version="1.0" encoding="utf-8"?> 
<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" 
 tools:context="com.rj141.sb.kongjian.DateActivity"> 
 
 <LinearLayout 
 android:orientation="horizontal" 
 android:layout_width="match_parent" 
 android:layout_height="wrap_content"> 
 <TextView 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:textSize="20dp" 
  android:text="几点吃饭：" 
  /> 
 <TextView 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:textSize="20dp" 
  android:id="@+id/tv" /> 
 </LinearLayout> 
 <Button 
 android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:text="时间" 
 android:id="@+id/btndate" /> 
</LinearLayout> 

public class DateActivity extends ActionBarActivity { 
 
 private Button btn; 
 private TextView tv; 
 @Override 
 protected void onCreate(Bundle savedInstanceState) { 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.activity_date); 
 
 btn=(Button)this.findViewById(R.id.btndate); 
 tv= (TextView) this.findViewById(R.id.tv); 
 btn.setOnClickListener(new View.OnClickListener() { 
  @Override 
  public void onClick(View v) { 
  new TimePickerDialog(DateActivity.this, new TimePickerDialog.OnTimeSetListener() { 
   @Override 
   public void onTimeSet(TimePicker view, int hourOfDay, int minute) { 
   tv.setText(String.format("%d:%d",hourOfDay,minute)); 
   } 
  //0,0指的是时间，true表示是否为24小时，true为24小时制 
  },0,0,true).show(); 
  } 
 }); 
 } 
} 

<?xml version="1.0" encoding="utf-8"?> 
<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" 
tools:context="com.rj141.sb.kongjian.DateActivity"> 

<TextView 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:textSize="20dp" 
android:id="@+id/tv" /> 

<Button 
android:layout_width="wrap_content" 
android:layout_height="wrap_content" 
android:text="日历" 
android:id="@+id/btndate" /> 
</LinearLayout> 

public class DateActivity extends ActionBarActivity { 

private Button btn; 
private TextView tv; 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
setContentView(R.layout.activity_date); 

btn=(Button)this.findViewById(R.id.btndate); 
tv= (TextView) this.findViewById(R.id.tv); 
btn.setOnClickListener(new View.OnClickListener() { 
@Override 
public void onClick(View v) { 
new DatePickerDialog(DateActivity.this, new DatePickerDialog.OnDateSetListener() { 
@Override 
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { 
tv.setText("您的出生日期是："+String.format("%d-%d-%d",year,monthOfYear+1,dayOfMonth)); 
} 
},2000,1,2).show(); 
} 
}); 
} 
} 
DatePickerDialog日历选择器的对话框，监听为OnDateSetListener(){..}