TimePickerDialog时间选择器，选择0-9分钟时，显示为10:0 9:1的样式，要改成 10:00 09:01的样式 的解决方式

 1     /**
 2      * 设置时间选择器
 3      */
 4     private void setTimePickerDialog() {
 5         Calendar mCalendar = Calendar.getInstance();
 6         mCalendar.setTimeInMillis(System.currentTimeMillis());
 7         final int hour = mCalendar.get(Calendar.HOUR_OF_DAY);
 8         int minute = mCalendar.get(Calendar.MINUTE);
 9         new TimePickerDialog(this,new TimePickerDialog.OnTimeSetListener() {
10             @Override
11             public void onTimeSet(TimePicker view,int hourOfDay,int minute)
12             {
13                 //使用三元运算符来满足需求
14                 String sHour = hour < 10 ? "0" + hour : "" + hour;
15                 String sMinutes = minute < 10 ? "0" + minute : ""
16                         + minute;
17                 //指定一个textview来显示时间
18                 textview.setText(sHour + ":" + sMinutes);
19             }
20         }, hour, minute, true).show();
21     }