Chronometer recordTimeView = findViewById(R.id.recordTimeView);
//从29分钟开始计时
long l = SystemClock.elapsedRealtime() - (29 * 60 * 1000);
recordTimeView.setBase(l);
recordTimeView.setFormat("%s");
recordTimeView.start();
recordTimeView.setOnChronometerTickListener(new Chronometer.OnChronometerTickListener() {
@Override
public void onChronometerTick(Chronometer chronometer) {
String time = chronometer.getText().toString();
Log.d(TAG, "onChronometerTick: 时间变化:" + time);
}
});
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