代码:
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/scrollView"
android:layout_centerHorizontal="true"
android:layout_alignParentTop="true" >
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:id="@+id/linearLayout">
<DatePicker
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/datePicker"
android:layout_gravity="center_horizontal" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="New Button"
android:id="@+id/button"
android:layout_gravity="center_horizontal" />
<TimePicker
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/timePicker"
android:layout_gravity="center_horizontal" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="New Button"
android:id="@+id/button2"
android:layout_gravity="center_horizontal" />
</LinearLayout>
</ScrollView>
</RelativeLayout>
MainActivity中:
package com.example.hailang.date_time;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import java.util.Date;
public class MainActivity extends AppCompatActivity {
private DatePicker datePicker;
private TimePicker timePicker;
private Button btn1;
private Button btn2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
datePicker = (DatePicker)findViewById(R.id.datePicker);
btn1 = (Button)findViewById(R.id.button);
btn1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
StringBuilder date = new StringBuilder("当前用户选择的日期是:");
date.append(datePicker.getYear())
.append("-")
.append(datePicker.getMonth())
.append("-")
.append(datePicker.getDayOfMonth());
btn1.setText(date.toString());
}
});
timePicker = (TimePicker)findViewById(R.id.timePicker);
btn2 = (Button)findViewById(R.id.button2);
btn2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
StringBuilder time = new StringBuilder("当前用户选择的时间是:");
time.append(timePicker.getCurrentHour())
.append(":")
.append(timePicker.getCurrentMinute());
btn2.setText(time.toString());
}
});
}
}