尝试更新特定按钮的文本
Button b=(Button)list.getChildAt(btn_cnt);
b.settext(time);
当您存储时Button Id
in btn_cnt,所以可以得到视图getChildAt(position)
Where list是你的Layout
你在哪里添加Button dynamically
.
public void addButton(int value) {
list.removeAllViews();
for (i=0 ; i < value; i++) {
button = new Button(this);
button.setText("Add Time");
button.setId(i);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Calendar mCalendar = Calendar.getInstance();
new TimePickerDialog(MedInfo.this, onTimeListener, mCalendar
.get(Calendar.HOUR_OF_DAY), mCalendar.get(Calendar.MINUTE), false)
.show();
btn_cnt = v.getId();
Toast.makeText(getApplicationContext(), ""+btn_cnt, Toast.LENGTH_SHORT).show();
}
});
list.addView(button);
}
}
TimePickerDialog.OnTimeSetListener onTimeListener = new OnTimeSetListener() {
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
String AM_PM;
Calendar mCalendar = Calendar.getInstance();
if (hourOfDay < 12) {
AM_PM = "AM";
} else {
AM_PM = "PM";
}
long start_time = DateTimeUtils.getTimeInMillis(hourOfDay, minute, 0);
Calendar calendar = Calendar.getInstance();
long mseconds = DateTimeUtils.getFirstMillis(calendar.get(Calendar.DATE),
calendar.get(Calendar.MONTH), calendar.get(Calendar.YEAR));
time = start_time + mseconds;
Button b=(Button)list.getChildAt(btn_cnt);
b.settext(time);
mCalendar.set(Calendar.HOUR, hourOfDay);
mCalendar.set(Calendar.MINUTE, minute);
}
};
编辑:-您可以使用List
代替Array
用于从 Button 检索所有时间。
List<String> listOfDate=new ArrayList<String>();
for(int i=0;i<list.getChildCount();i++)
{
Button b=(Button)list.getChildAt(i);
listOfDate.add(b.getText().toString());
}
希望对你有帮助。