阅读《Android 从入门到精通》(14)——时间选择器
16lz
2021-01-23
时间选择器(TimePicker)
java.lang.Object;
android.view.View;
android.view.ViewGroup;
android.widget.FrameLayout;
android.widget.TimePicker;
TimePicker 类方法
TimePick 示例
完整工程:http://download.csdn.net/detail/sweetloveft/9410965
下述程序主要学习 TimePicker 的用法,不使用 Calendar 的做法同上一篇相同,需注意 24 小时时间置的问题。
1.MainActivity.java
package com.sweetlover.activity;import com.sweetlover.timepickerdemo.R;import android.app.Activity;import android.os.Bundle;import android.widget.TextView;import android.widget.TimePicker;import android.widget.TimePicker.OnTimeChangedListener;public class MainActivity extends Activity {private TextView textView = null;private TimePicker timePicker = null;private int curHour = 8, curMinute = 30;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_main);textView = (TextView)findViewById(R.id.textView1);timePicker = (TimePicker)findViewById(R.id.timePicker1);timePicker.setIs24HourView(false);timePicker.setOnTimeChangedListener(new TimeChangedListener());}private class TimeChangedListener implements OnTimeChangedListener {@Overridepublic void onTimeChanged(TimePicker view, int hourOfDay, int minute) {// TODO Auto-generated method stubcurHour = hourOfDay;curMinute = minute;textView.setText("当前时间:" + curHour + " 时 " + curMinute + " 分");}}}
2.activity_main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="30dp" android:orientation="vertical" > <TimePicker android:id="@+id/timePicker1" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginTop="30dp" android:textAppearance="?android:attr/textAppearanceMedium" /></LinearLayout>
3.AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.sweetlover.timepickerdemo" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="19" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name="com.sweetlover.activity.MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application></manifest>
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