Android 安卓:如何提高按钮点击响应速度?
我正在尝试为Android做一个时钟应用程序。我设法实现了秒表功能,但它似乎仍然充满了问题 响应太慢,即当我单击开始按钮时,响应很慢,因此不会立即启动。单击“停止”按钮时也是如此 目前提供的方法还不够吗?还是有更好的解决方案?请帮帮我Android 安卓:如何提高按钮点击响应速度?,android,Android,我正在尝试为Android做一个时钟应用程序。我设法实现了秒表功能,但它似乎仍然充满了问题 响应太慢,即当我单击开始按钮时,响应很慢,因此不会立即启动。单击“停止”按钮时也是如此 目前提供的方法还不够吗?还是有更好的解决方案?请帮帮我 public class StopWatchView extends LinearLayout{ private int tenMSecs = 0; private Timer timer = new Timer(); private T
public class StopWatchView extends LinearLayout{
private int tenMSecs = 0;
private Timer timer = new Timer();
private TimerTask timerTask = null;
private TimerTask showTimeTask = null;
private TextView tvHour, tvMinute, tvSecond, tvMSecond;
private Button btnSWStart, btnSWResume, btnSWReset, btnSWPause, btnSWRecord;
private ListView lvWatchTimeList;
private ArrayAdapter<String> adapter;
private static final int MSG_WHAT_SHOW_TIME = 1;
public StopWatchView(Context context) {
super(context);
}
public StopWatchView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public StopWatchView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
protected void onFinishInflate(){
super.onFinishInflate();
tvHour = (TextView)findViewById(R.id.tvHour);
tvHour.setText("0");
tvMinute = (TextView)findViewById(R.id.tvMinute);
tvMinute.setText("0");
tvSecond = (TextView)findViewById(R.id.tvSecond);
tvSecond.setText("0");
tvMSecond = (TextView)findViewById(R.id.tvMSceond);
tvMSecond.setText("0");
btnSWRecord = (Button)findViewById(R.id.btnSWRecord);
btnSWRecord.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
adapter.insert(String.format("%d:%d:%d.%d",
tenMSecs/100/60/60,
tenMSecs/100/60%60,
tenMSecs/100%60,
tenMSecs%100),
0);
}
});
btnSWPause = (Button)findViewById(R.id.btnSWPause);
btnSWPause.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
stopTimer();
btnSWPause.setVisibility(View.GONE);
btnSWResume.setVisibility(View.VISIBLE);
btnSWReset.setVisibility(View.VISIBLE);
btnSWRecord.setVisibility(View.GONE);
}
});
btnSWReset = (Button)findViewById(R.id.btnSWReset);
btnSWReset.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
stopTimer();
tenMSecs = 0;
adapter.clear();
btnSWStart.setVisibility(View.VISIBLE);
btnSWPause.setVisibility(View.GONE);
btnSWReset.setVisibility(View.GONE);
btnSWRecord.setVisibility(View.GONE);
btnSWResume.setVisibility(View.GONE);
}
});
btnSWResume = (Button)findViewById(R.id.btnSWResume);
btnSWResume.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startTimer();
btnSWResume.setVisibility(View.GONE);
btnSWReset.setVisibility(View.GONE);
btnSWRecord.setVisibility(View.VISIBLE);
btnSWPause.setVisibility(View.VISIBLE);
}
});
btnSWStart = (Button)findViewById(R.id.btnSWStart);
btnSWStart.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startTimer();
btnSWStart.setVisibility(View.GONE);
btnSWPause.setVisibility(View.VISIBLE);
btnSWRecord.setVisibility(View.VISIBLE);
}
});
btnSWRecord.setVisibility(View.GONE);
btnSWPause.setVisibility(View.GONE);
btnSWReset.setVisibility(View.GONE);
btnSWResume.setVisibility(View.GONE);
lvWatchTimeList = (ListView)findViewById(R.id.lvWatchTimeList);
adapter = new ArrayAdapter<String>(getContext(),
android.R.layout.simple_list_item_1);
lvWatchTimeList.setAdapter(adapter);
showTimeTask = new TimerTask() {
@Override
public void run() {
handler.sendEmptyMessage(MSG_WHAT_SHOW_TIME);
}
};
timer.schedule(showTimeTask,200,200);
}
private void startTimer(){
if(timerTask == null){
timerTask = new TimerTask() {
@Override
public void run() {
tenMSecs++;
}
};
timer.schedule(timerTask,10,10);
}
}
private void stopTimer(){
if(timerTask != null){
timerTask.cancel();
timerTask = null;
}
}
public void onDestory(){
timer.cancel();
}
private Handler handler = new Handler(){
public void handleMessage(Message msg){
switch (msg.what){
case MSG_WHAT_SHOW_TIME:
tvHour.setText(tenMSecs/100/60/60+"");
tvMinute.setText(tenMSecs/100/60%60+"");
tvSecond.setText(tenMSecs/100%60+"");
tvMSecond.setText(tenMSecs%100+"");
break;
default:
break;
}
};
};
}
公共类秒表视图扩展了LinearLayout{
私有整数十毫秒=0;
专用计时器=新计时器();
专用TimerTask TimerTask=null;
私有TimerTask showTimeTask=null;
私有文本视图tvHour、tvMinute、tvSecond、TvMsSecond;
专用按钮btnSWStart、btnSWResume、btnSWReset、btnSWPause、btnSWRecord;
私有列表视图;
专用阵列适配器;
私有静态最终int MSG\u WHAT\u SHOW\u TIME=1;
公共秒表视图(上下文){
超级(上下文);
}
公共秒表视图(上下文、属性集属性){
超级(上下文,attrs);
}
公共秒表视图(上下文、属性集属性、int defStyleAttr){
super(上下文、attrs、defStyleAttr);
}
@凌驾
充气时受保护的空隙(){
超级充气();
tvHour=(TextView)findViewById(R.id.tvHour);
tvHour.setText(“0”);
tvMinute=(TextView)findViewById(R.id.tvMinute);
tvMinute.setText(“0”);
tvsond=(TextView)findViewById(R.id.tvsond);
tvSecond.setText(“0”);
tvMSecond=(TextView)findViewById(R.id.tvmceond);
tvMSecond.setText(“0”);
btnSWRecord=(按钮)findViewById(R.id.btnSWRecord);
setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
adapter.insert(String.format(“%d:%d:%d.%d”),
十毫秒/100/60/60,
十毫秒/100/60%60,
十毫秒/100%60,
10毫秒%100),
0);
}
});
btnSWPause=(按钮)findViewById(R.id.btnSWPause);
setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
停止计时器();
btnSWPause.setVisibility(View.GONE);
btnSWResume.setVisibility(View.VISIBLE);
btnSWReset.setVisibility(View.VISIBLE);
btnSWRecord.setVisibility(View.GONE);
}
});
btnSWReset=(按钮)findViewById(R.id.btnSWReset);
setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
停止计时器();
十毫秒=0;
适配器。清除();
btnSWStart.setVisibility(View.VISIBLE);
btnSWPause.setVisibility(View.GONE);
btnSWReset.setVisibility(View.GONE);
btnSWRecord.setVisibility(View.GONE);
btnSWResume.setVisibility(View.GONE);
}
});
btnSWResume=(按钮)findViewById(R.id.btnSWResume);
btnSWResume.setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
startTimer();
btnSWResume.setVisibility(View.GONE);
btnSWReset.setVisibility(View.GONE);
btnSWRecord.setVisibility(View.VISIBLE);
btnSWPause.setVisibility(View.VISIBLE);
}
});
btnSWStart=(按钮)findViewById(R.id.btnSWStart);
btnSWStart.setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
startTimer();
btnSWStart.setVisibility(View.GONE);
btnSWPause.setVisibility(View.VISIBLE);
btnSWRecord.setVisibility(View.VISIBLE);
}
});
btnSWRecord.setVisibility(View.GONE);
btnSWPause.setVisibility(View.GONE);
btnSWReset.setVisibility(View.GONE);
btnSWResume.setVisibility(View.GONE);
lvWatchTimeList=(ListView)findViewById(R.id.lvWatchTimeList);
适配器=新的ArrayAdapter(getContext(),
android.R.layout.simple\u list\u item\u 1);
lvWatchTimeList.setAdapter(适配器);
showTimeTask=new TimerTask(){
@凌驾
公开募捐{
handler.sendEmptyMessage(MSG\u WHAT\u SHOW\u TIME);
}
};
时间表(showTimeTask,200200);
}
私有void startTimer(){
if(timerTask==null){
timerTask=新的timerTask(){
@凌驾
公开募捐{
十毫秒++;
}
};
时间表(timerTask,10,10);
}
}
私有void stopTimer(){
if(timerTask!=null){
timerTask.cancel();
timerTask=null;
}
}
公共故事{
timer.cancel();
}
私有处理程序=新处理程序(){
公共无效handleMessage(消息消息消息){
开关(msg.what){
案例消息显示时间:
tvHour.setText(十毫秒/100/60/60+);
tvMinute.setText(十毫秒/100/60%60+);
tvSecond.setText(十毫秒/100%60+);
tvMSecond.setText(十毫秒%100+);
打破
违约:
打破
}
};
};
}
如果您的按钮位于可滚动的父项中,则会导致响应延迟。尝试使用不可滚动的容器或覆盖OnTouchListener
button.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if(motionEvent.getAction() == MotionEvent.ACTION_DOWN){
button.setPressed(true);
}
return onTouchEvent(motionEvent);
}
});
对于遇到此问题的任何其他人,如果您使用的是
com.gc.materialdesign.views.ButtonFlat
,则
button.rippleSpeed *= 12 // or some other number of similar magnitude