Android 开发笔记___时间选择器---timePicker

Posted 2020-09-28 alm

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。

 1 package com.example.alimjan.hello_world;
 2 
 3 import java.util.Calendar;
 4 
 5 /**
 6  * Created by alimjan on 7/15/2017.
 7  */
 8 
 9         import android.app.TimePickerDialog;
10         import android.app.TimePickerDialog.OnTimeSetListener;
11 import android.content.Context;
12 import android.content.Intent;
13 import android.os.Bundle;
14         import android.support.v7.app.AppCompatActivity;
15         import android.view.View;
16         import android.view.View.OnClickListener;
17         import android.widget.TimePicker;
18         import android.widget.TextView;
19 
20 public class class_5_1_2d extends AppCompatActivity implements
21         OnClickListener, OnTimeSetListener {
22 
23     private TextView tv_time;
24 
25     @Override
26     protected void onCreate(Bundle savedInstanceState) {
27         super.onCreate(savedInstanceState);
28         setContentView(R.layout.code_5_1_2);
29         tv_time = (TextView) findViewById(R.id.tv_time);
30         findViewById(R.id.btn_time).setOnClickListener(this);
31     }
32 
33     @Override
34     public void onClick(View v) {
35         if (v.getId() == R.id.btn_time) {
36             Calendar calendar = Calendar.getInstance();
37             TimePickerDialog dialog = new TimePickerDialog(this, this,
38                     calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), true);
39             dialog.show();
40         }
41     }
42 
43     @Override
44     public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
45         String desc = String.format("您选择的时间是%d时%d分", hourOfDay, minute);
46         tv_time.setText(desc);
47     }
48 
49     public static void startHome(Context mContext) {
50         Intent intent = new Intent(mContext, class_5_1_2d.class);
51         mContext.startActivity(intent);
52     }
53 
54 }

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     android:layout_width="match_parent"
 3     android:layout_height="match_parent"
 4     android:orientation="vertical"
 5     android:padding="10dp" >
 6 
 7     <Button
 8         android:id="@+id/btn_time"
 9         android:layout_width="match_parent"
10         android:layout_height="wrap_content"
11         android:text="请选择时间"
12         android:textColor="@color/black"
13         android:textSize="20sp" />
14 
15     <TextView
16         android:id="@+id/tv_time"
17         android:layout_width="match_parent"
18         android:layout_height="wrap_content"
19         android:textColor="@color/black"
20         android:textSize="17sp" />
21 
22 </LinearLayout>