private void initTimer() {
timer = new Timer();
task = new TimerTask() {
@Override
public void run() {
getActivity().runOnUiThread(new Runnable() { // UI thread
@Override
public void run() {
btn.setEnabled(false);
a--;
num.setText(a + "");
if (a <= 0) {
clearTimer();
btn.setClickable(true);
btn.setBackgroundResource(R.drawable.btn_web_bule);
btn.setEnabled(true);
}
}
});
}
};
}
private void clearTimer() {
if (task != null) {
task.cancel();
task = null;
}
if (timer != null)
timer.cancel();
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