Android 每隔一分钟发出时间更新广播

方法

每隔一分钟时间改变了就会发送该广播

Intent.ACTION_TIME_TICK

• 动态注册广播

IntentFilter filter=new IntentFilter();
filter.addAction(Intent.ACTION_TIME_TICK);
registerReceiver(receiver,filter);

• 接收广播

private BroadcastReceiver receiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (action.equals(Intent.ACTION_TIME_TICK)) {
          //刷新UI
        }
    }
};