Java android-倒计时后打开活动
在我的新游戏中,你必须按下按钮才能得分。玩家必须在5秒内按下按钮-如果需要更多时间,游戏屏幕将打开。否则,倒计时应该重新开始。我试着把Java android-倒计时后打开活动,java,android,Java,Android,在我的新游戏中,你必须按下按钮才能得分。玩家必须在5秒内按下按钮-如果需要更多时间,游戏屏幕将打开。否则,倒计时应该重新开始。我试着把gameover()method,但似乎finish方法总是启动的,不会被取消。我怎样才能停止倒计时呢 public class GameScreen extends Activity { public int score = 0; @Override protected void onCreate(Bundle savedInstanc
gameover()倒计时的finish()
方法中的code>method,但似乎finish方法总是启动的,不会被取消。我怎样才能停止倒计时呢
public class GameScreen extends Activity {
public int score = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_game);
Button count = (Button) findViewById(R.id.button1);
text = (TextView) this.findViewById(R.id.textView3);
tvscore = (TextView) findViewById(R.id.score);
timer();
}
public void gameover() {
Intent intent = new Intent(this, GameOverScreen.class);
startActivity(intent);
}
public void onClick (View view) {
score++;
tvscore.setText(String.valueOf(score));
timer();
}
public void timer(){
new CountDownTimer(5000, 10) {
public void onTick(long millisUntilFinished) {
text.setText(""+String.format("%02d:%03d",
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished)),
TimeUnit.MILLISECONDS.toMillis(millisUntilFinished) - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished))
));
if(animationRunning) {
cancel();
}
}
public void onFinish() {
text.setText("Too slow.");
gameover();
}
}.start();
}
}
按如下方式更新计时器代码:
private boolean isTimerCanceled = false;
public void timer(){
new CountDownTimer(5000, 10) {
public void onTick(long millisUntilFinished) {
text.setText(""+String.format("%02d:%03d",
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished)),
TimeUnit.MILLISECONDS.toMillis(millisUntilFinished) - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished))
));
if(animationRunning)
{
isTimerCanceled = true;
cancel();
} else{
isTimerCanceled = false;
}
}
public void onFinish()
{
if (!isTimerCanceled){
text.setText("Too slow.");
gameover();
}
}
}.start();
}
按如下方式更新计时器代码:
private boolean isTimerCanceled = false;
public void timer(){
new CountDownTimer(5000, 10) {
public void onTick(long millisUntilFinished) {
text.setText(""+String.format("%02d:%03d",
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished)),
TimeUnit.MILLISECONDS.toMillis(millisUntilFinished) - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished))
));
if(animationRunning)
{
isTimerCanceled = true;
cancel();
} else{
isTimerCanceled = false;
}
}
public void onFinish()
{
if (!isTimerCanceled){
text.setText("Too slow.");
gameover();
}
}
}.start();
}
这是一个简单而复杂的方法来实现你想要的
在全局级别定义倒计时对象
CountDownTimer mCountDownTimer ;
在onCreateView中:
mCountDownTimer = new CountDownTimer(5000, 10) {
public void onTick(long millisUntilFinished) {
text.setText(""+String.format("%02d:%03d",
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished)),
TimeUnit.MILLISECONDS.toMillis(millisUntilFinished) - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished));
}
@Override
public void onFinish() {
text.setText("Too slow.");
gameover();
}
};
mCountDownTimer.start();
在onClick()中
这是一个简单而复杂的方法来实现你想要的
在全局级别定义倒计时对象
CountDownTimer mCountDownTimer ;
在onCreateView中:
mCountDownTimer = new CountDownTimer(5000, 10) {
public void onTick(long millisUntilFinished) {
text.setText(""+String.format("%02d:%03d",
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished)),
TimeUnit.MILLISECONDS.toMillis(millisUntilFinished) - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished));
}
@Override
public void onFinish() {
text.setText("Too slow.");
gameover();
}
};
mCountDownTimer.start();
在onClick()中
试着为倒计时调用cancel方法为倒计时调用cancel方法无法解决我的问题。五秒钟后,它启动了gameover
方法,不管怎样都可以在不维护标志的情况下实现。它不能解决我的问题。五秒钟后,它启动了gameover
方法,任何情况下都可以实现,无需维护标志。请理解:它是否以某种方式取消计时器,或者它如何帮助我解决问题?调用mCountDownTimer.cancel();将取消计时器,因此不会调用onFinished()。请理解:它是否以某种方式取消计时器,或者它如何帮助我解决问题?调用mCountDownTimer.cancel();将取消计时器,因此不会调用onFinished()。