Android 时间控件(TimePicker)

本文SDK版本 Android SDK 4.2.2

今天为大家介绍Android中的时间控件(TimePicker)，要在Android中使用时间控件(TimePicker)先要在布局文件中声明。

	<TimePicker 
	    android:id="@+id/time1"
	    android:layout_width="match_parent"
	    android:layout_height="wrap_content"
	    />

 声明非常简单，如果我们要获取用户选择的时间则需要使用 OnTimeChangedListener来监听

Java代码如下：

package com.zhoucj.helloworlddemo;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;


public class TimePickerActivity  extends Activity
{
    TimePicker timePicker;
    private static String TAG="TimePickerActivity";
     @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.timepicker);
        
        timePicker=(TimePicker)findViewById(R.id.time1);
        timePicker.setOnTimeChangedListener(new OnTimePickerChange());
    }
     
     class OnTimePickerChange implements OnTimeChangedListener
     {
         /**
          * view:该对象代表TimePicker
          * hourOfDay:用户选择的小时
          * minute:用户所选择的分钟
          */
        @Override
        public void onTimeChanged(TimePicker view, int hourOfDay, int minute)
        {
            Log.i(TAG, "时="+hourOfDay+"--分="+minute);
        }
         
     }
}

 这个时间看着有点别扭，我们希望是24小时制的时间，很简单，在Java代码中设置即可:

		//设置是否使用24小时制显示时间
		timePicker.setIs24HourView(true);

 

如果我们希望当用户点击按钮的时候获取时间

package com.zhoucj.helloworlddemo;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;


public class TimePickerActivity  extends Activity
{
    TimePicker timePicker;
    Button button1;
    private static String TAG="TimePickerActivity";
     @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.timepicker);
        
        timePicker=(TimePicker)findViewById(R.id.time1);
        //设置是否使用24小时制显示时间
        timePicker.setIs24HourView(true);
        timePicker.setOnTimeChangedListener(new OnTimePickerChange());
        button1=(Button)findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                Log.i(TAG, "时:"+timePicker.getCurrentHour()+",分钟:"+timePicker.getCurrentMinute());
            }
        });
    }
     
     class OnTimePickerChange implements OnTimeChangedListener
     {
         /**
          * view:该对象代表TimePicker
          * hourOfDay:用户选择的小时
          * minute:用户所选择的分钟
          */
        @Override
        public void onTimeChanged(TimePicker view, int hourOfDay, int minute)
        {
            Log.i(TAG, "时="+hourOfDay+"--分="+minute);
        }
         
     }
}

如果我们是设置TimePicker的时间

	timePicker.setCurrentHour(12);
	timePicker.setCurrentMinute(12);

 好了，今天就简单的介绍下 时间控件(TimePicker);

最后祝大家 工作顺利，学习进步。