大家好,我想点击一个按钮时显示,两小时一分钟。
我的代码是:
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int hour= timePicker.getCurrentHour();
int minute=timePicker.getCurrentMinute();
Toast.makeText(MainActivity.this,"CLOCK--> "+ String.valueOf(hour)+":"+String.valueOf(minute),Toast.LENGTH_LONG).show();
}
});
但输出例如是“9:8”。
我想要显示“09:08”。
抱歉我的英文=)
Try this
Toast.makeText(MainActivity.this,"CLOCK--> "+ String.format("%02d:%02d", hour, minute),Toast.LENGTH_LONG).show();
你可以像这样使用:
String time = "";
time = new SimpleDateFormat("HH:mm").format(new Date(System.currentTimeMillis()));
如果数字低于10,则在左侧添加零
String hrstr = hour < 10 ? //If hour is lower than 10, add a zero on the left
'0' + hour : hour;
String minstr = min < 10 ? //If minute is lower than 10, add a zero on the left
'0' + min : min;
Toast.makeText(MainActivity.this,"CLOCK--> "+ hrstr +":"+minstr,Toast.LENGTH_LONG).show();
试试这个
Calendar mcurrentTime = Calendar.getInstance();
int hour = mcurrentTime.get(Calendar.HOUR_OF_DAY);
int minute = mcurrentTime.get(Calendar.MINUTE);
TimePickerDialog mTimePicker;
mTimePicker = new TimePickerDialog(mContext, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker timePicker, int selectedHour, int selectedMinute) {
yourView.setText(String.format("%02d:%02d", selectedHour, selectedMinute));
}
}, hour, minute, true);//Yes 24 hour time
mTimePicker.setTitle("Select Time");
mTimePicker.show();