Android 开发笔记___时间选择器---timePicker

像datepicker一样，也有timepicker。

同样有timepickerdialog

所用到的方法还是一样，监听时间选择器的变化。

 package com.example.alimjan.hello_world;

 import java.util.Calendar;

 /**
  * Created by alimjan on 7/15/2017.
  */

         import android.app.TimePickerDialog;
         import android.app.TimePickerDialog.OnTimeSetListener;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
         import android.support.v7.app.AppCompatActivity;
         import android.view.View;
         import android.view.View.OnClickListener;
         import android.widget.TimePicker;
         import android.widget.TextView;

 public class class_5_1_2d extends AppCompatActivity implements
         OnClickListener, OnTimeSetListener {

     private TextView tv_time;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.code_5_1_2);
         tv_time = (TextView) findViewById(R.id.tv_time);
         findViewById(R.id.btn_time).setOnClickListener(this);
     }

     @Override
     public void onClick(View v) {
         if (v.getId() == R.id.btn_time) {
             Calendar calendar = Calendar.getInstance();
             TimePickerDialog dialog = new TimePickerDialog(this, this,
                     calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), true);
             dialog.show();
         }
     }

     @Override
     public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
         String desc = String.format("您选择的时间是%d时%d分", hourOfDay, minute);
         tv_time.setText(desc);
     }

     public static void startHome(Context mContext) {
         Intent intent = new Intent(mContext, class_5_1_2d.class);
         mContext.startActivity(intent);
     }

 }

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:padding="10dp" >

     <Button
         android:id="@+id/btn_time"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="请选择时间"
         android:textColor="@color/black"
         android:textSize="20sp" />

     <TextView
         android:id="@+id/tv_time"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textColor="@color/black"
         android:textSize="17sp" />

 </LinearLayout>