A07_TimePicker&DatePicker&AnalogClock&DigitalClock的设置小结

package com.haut.a07_timepicker;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import android.widget.Toast;
public class MainActivity extends Activity {
private TimePicker timePicker;
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
timePicker = (TimePicker) findViewById(R.id.timePickerId);
button = (Button) findViewById(R.id.buttonId);
// 为timePicker创建监听器
TimePickerListener timeListener = new TimePickerListener();
timePicker.setOnTimeChangedListener(timeListener);
// 为button创建监听器
ButtonListener buttOnListener= new ButtonListener();
button.setOnClickListener(buttonListener);
// TimePicker默认显示当前时间，可以手动制定它的默认显示时间
timePicker.setCurrentHour(12);
timePicker.setCurrentMinute(0);
// 设置显示格式为24小时制
timePicker.setIs24HourView(true);
}
class TimePickerListener implements OnTimeChangedListener {
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
// 使用Toast显示TimePicker的时间
String time = hourOfDay + "点:" + minute + "分";
Toast.makeText(MainActivity.this, time, Toast.LENGTH_SHORT).show();
}
}
class ButtonListener implements OnClickListener {
public void onClick(View v) {
String time = timePicker.getCurrentHour() + "点:"
+ timePicker.getCurrentMinute() + "分";
Toast.makeText(MainActivity.this, time, Toast.LENGTH_SHORT).show();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}

xmlns:tools="http://schemas.android.com/tools"
android:layout_
android:layout_
android:background="@drawable/folwer1"
tools:cOntext=".MainActivity" >
android:id="@+id/timePickerId"
android:layout_
android:layout_
android:layout_centerHorizOntal="true"/>
android:id="@+id/buttonId"
android:layout_
android:layout_
android:text="获取设置时间"
android:layout_below="@id/timePickerId"
android:layout_centerHorizOntal="true"
android:layout_marginTop="50dp"/>

package com.haut.a07_datepicker;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.Toast;
public class MainActivity extends Activity {
private DatePicker datePicker;
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
datePicker = (DatePicker)findViewById(R.id.datePickerId);
button = (Button)findViewById(R.id.buttonId);
//为button创建监听器
ButtonListener buttOnListener= new ButtonListener();
button.setOnClickListener(buttonListener);
}
class ButtonListener implements OnClickListener{
public void onClick(View v) {
String date = datePicker.getYear() + "年:" + datePicker.getMonth() + "月:" + datePicker.getDayOfMonth() + "日";
Toast.makeText(MainActivity.this, date, Toast.LENGTH_SHORT).show();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}

xmlns:tools="http://schemas.android.com/tools"
android:layout_
android:layout_
android:background="@drawable/leaf"
tools:cOntext=".MainActivity" >
android:id="@+id/datePickerId"
android:layout_
android:layout_
android:layout_centerHorizOntal="true"/>
android:id="@+id/buttonId"
android:layout_
android:layout_
android:text="获取设置日期"
android:layout_below="@id/datePickerId"
android:layout_centerHorizOntal="true"
android:layout_marginTop="50dp"/>