我可以控制Android的TimePicker视图只显示分钟到15分钟的时间?
Can I control the Android TimePicker view to just show the minutes to 15 minutes interval?
含义,如果是现在,12:28,12:30显示并单击+和 - ?15按钮将递增和递减
Meaning if it's 12:28 now, show 12:30 and clicking the + and - button will increment and decrement by 15?
感谢您,
T恤
创建一个XML文件,并将其命名为activity_time_picker.xml
Create a xml file and name it activity_time_picker.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TimePicker
android:id="@+id/timePicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/layoutHourMinute"
android:layout_centerInParent="true"
/>
</RelativeLayout>
现在这个样子创造活动课
now create activity class like this
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import android.annotation.SuppressLint;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.NumberPicker;
import android.widget.TimePicker;
public class TimePickerActivity extends Activity {
TimePicker timePicker;
private int TIME_PICKER_INTERVAL = 15;
NumberPicker minutePicker;
List<String> displayedValues;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
setContentView(R.layout.activity_time_picker);
super.onCreate(savedInstanceState);
timePicker = (TimePicker)findViewById(R.id.timePicker1);
timePicker.setIs24HourView(true);
timePicker.setCurrentHour(0);
timePicker.setCurrentMinute(0);
setTimePickerInterval(timePicker);
}
@SuppressLint("NewApi")
private void setTimePickerInterval(TimePicker timePicker) {
try {
Class<?> classForid = Class.forName("com.android.internal.R$id");
// Field timePickerField = classForid.getField("timePicker");
Field field = classForid.getField("minute");
minutePicker = (NumberPicker) timePicker
.findViewById(field.getInt(null));
minutePicker.setMinValue(0);
minutePicker.setMaxValue(3);
displayedValues = new ArrayList<String>();
for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) {
displayedValues.add(String.format("%02d", i));
}
// for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) {
// displayedValues.add(String.format("%02d", i));
// }
minutePicker.setDisplayedValues(displayedValues
.toArray(new String[0]));
minutePicker.setWrapSelectorWheel(true);
} catch (Exception e) {
e.printStackTrace();
}
}
}