android.os.CountDownTimer的实例源码

项目：aftercare-app-android    文件：DCDashboardFragment.java   

protected void resumeRecording() {
    if (paused) {
        paused = false;
        timer = new CountDownTimer(milisUntilFinished,100) {
            @Override
            public void onTick(long millisUntilFinished) {
                handleClockTick(millisUntilFinished);
                DCDashboardFragment.this.milisUntilFinished = millisUntilFinished;
            }

            @Override
            public void onFinish() {
                stopRecording();
            }
        };
        timer.start();
        updateView();
    }
}

项目：stynico    文件：Reg.java   

@Override
  public int onStartCommand(Intent intent,int flags,int startId) {

// 第一个参数是总时间， 第二个参数是间隔
      mCodeTimer = new CountDownTimer(129000,1000) {
          @Override
          public void onTick(long millisUntilFinished) {
        // 广播剩余时间
              broadcastUpdate(IN_RUNNING,millisUntilFinished / 1000 + "");
          }

          @Override
          public void onFinish() {
        // 广播倒计时结束
              broadcastUpdate(END_RUNNING);
              // 停止服务
              stopSelf();
          }
      };
// 开始倒计时
      mCodeTimer.start();
      return super.onStartCommand(intent,flags,startId);
  }

项目：stynico    文件：msf_shell.java   

@Override
  public int onStartCommand(Intent intent,int startId) {

// 第一个参数是总时间， 第二个参数是间隔
      mCodeTimer = new CountDownTimer(60000,startId);
  }

项目：pokequest    文件：PokeQuizActivity.java   

/**
 * init countdown timer
 *
 * @param timeSeconds total time in seconds to countdown
 */
void initCountDownTimer(int timeSeconds) {
    mCountDownTimer = new CountDownTimer(timeSeconds * 1000 + 100,1000) {
        @Override
        public void onTick(long millisUntilFinished) {
            mTvTimer.setText(Long.toString(millisUntilFinished / 1000));
        }

        @Override
        public void onFinish() {
            mTvTimer.setText("0");
            mCurPokeQuiz.finishQuestion();
            showResult(R.string.quiz_result_timeout);
        }
    };
}

项目：WeiXinRecordedDemo    文件：MediaRecorderBase.java   

/**
 * 测试PreviewFrame回调次数，时间1分钟
 *
 */
public void testPreviewFrameCallCount() {
    new CountDownTimer(1 * 60 * 1000,1000) {

        @Override
        public void onTick(long millisUntilFinished) {
            Log.e("[Vitamio Recorder]","testFrameRate..." + mPreviewFrameCallCount);
            mPreviewFrameCallCount = 0;
        }

        @Override
        public void onFinish() {

        }

    }.start();
}

项目：Edu    文件：TimerView.java   

public void startTimer(){
    if(!isBegin){
        isBegin = true;
        timerview.setBackground(getResources().getDrawable(R.drawable.shape_bo_grey_cccccc_r4dp));
        timerview.setTextColor(ColorStateList.valueOf(ContextCompat.getColor(getContext(),R.color.grey_cccccc)));
        new CountDownTimer(60000,1000) {
            @Override
            public void onTick(long millisUntilFinished) {
                timerview.setText(millisUntilFinished/1000 + "s");
            }

            @Override
            public void onFinish() {
                timerview.setBackground(getResources().getDrawable(R.drawable.shape_bo_white_r4dp));
                timerview.setTextColor(ColorStateList.valueOf(ContextCompat.getColor(getContext(),R.color.white)));
                timerview.setText("获取验证码");
                isBegin = false;
            }
        }.start();
    }
}

项目：android-WearaccessibilityApp    文件：CircledImageViewPreference.java   

public void setLoadingCircledImageView() {
    mCircledImageText.setText(R.string.loading);
    mCircledImage.setimageResource(R.drawable.stop);
    mCircledImage.setCircleBorderColor(mColorAccent);
    mCountDownTimer =
            new CountDownTimer(10000,10) {
                @Override
                public void onTick(long millisUntilFinished) {
                    float timeElapsed = (10000.0f - millisUntilFinished) / 10000.0f;
                    mCircledImage.setProgress(timeElapsed);
                }

                @Override
                public void onFinish() {
                    setStartCircledImageView();
                }
            }.start();
}

项目：Hitalk    文件：DownTimer.java   

/**
 * [倒计为time长的时间，时间间隔为mills]
 * @param time
 * @param mills
 */
public void startDown(long time,long mills) {
    mCountDownTimer = new CountDownTimer(time,mills) {
        @Override
        public void onTick(long millisUntilFinished) {
            if (listener != null) {
                listener.onTick(millisUntilFinished);
            } else {
                NLog.e(TAG,"DownTimerListener can not be null");
            }
        }

        @Override
        public void onFinish() {
            if (listener != null) {
                listener.onFinish();
            } else {
                NLog.e(TAG,"DownTimerListener can not be null");
            }
            if (mCountDownTimer != null)mCountDownTimer.cancel();
        }

    } .start();
}

项目：AimsICDL    文件：Toaster.java   

/**
 * Long toast message
 * TOAST_DURATION_MILLS controls the duration
 * currently set to 6 seconds
 * @param context Application Context
 * @param msg     Message to send
 */
public static void msgLong(final Context context,final String msg) {
    if (context != null && msg != null) {
        if (toast != null) {
            toast.cancel();
        }

        new Handler(context.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                toast = Toast.makeText(context,msg,Toast.LENGTH_SHORT);
                new CountDownTimer(Math.max(TOAST_DURATION_MILLS - SHORT_TOAST_DURATION,1000),1000) {
                    @Override
                    public void onFinish() {
                        toast.show();
                    }

                    @Override
                    public void onTick(long millisUntilFinished) {
                        toast.show();
                    }
                }.start();
            }
        });
    }
}

项目：AppsTimeline    文件：SplashActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_splash);
    new CountDownTimer(1200,1200) {
        @Override
        public void onTick(long l) {
        }

        @Override
        public void onFinish() {
            startActivity(new Intent(SplashActivity.this,MainActivity.class));
            finish();
        }
    }.start();
}

项目：Hotspot-master-devp    文件：TimerUtils.java   

/**
 * 倒计时，不需要手动开启和结束，仅中途取消需要手动cancel
 * 
 * @param millisInFuture
 *            总时间
 * @param countDownInterval
 *            间隔时间
 * @param timerListener
 *            响应回调
 * @return
 */
public static CountDownTimer getCountDownInstance(long millisInFuture,long countDownInterval,final TimerListener timerListener) {
    if (timerListener == null)
        return null;
    return new CountDownTimer(millisInFuture,countDownInterval) {

        @Override
        public void onTick(long millisUntilFinished) {
            timerListener.onTimerUpdate(millisUntilFinished);
        }

        @Override
        public void onFinish() {
            timerListener.onTimerStop();
        }
    }.start();
}

项目：ChimpCheck    文件：CountdownFragment.java   

public void startCounting(long cdtTime){
    if(cdt != null){
        cdt.cancel();
    }
    cdt = new CountDownTimer(cdtTime,1000) {
        @Override
        public void onTick(long l) {
            textCount.setText("seconds remaining: " + l / 1000);
        }

        @Override
        public void onFinish() {
            textCount.setText(getString(R.string.count_default));
        }
    }.start();
}

项目：lrs_android    文件：SimpleController.java   

public void start() {
    if (skip()) {
        return;
    }
    //判断该类角色是否有幸存者
    long time = new Random().nextInt((int) millisInFuture);
    if (isCanRandom) {
        if (time < 3000) {
            time = 3000;
        }
    } else {
        time = millisInFuture;
    }

    new CountDownTimer(time,COUNT_DOWN_INTERVAL) {
        @Override
        public void onTick(long millisUntilFinished) {
        }

        @Override
        public void onFinish() {
            runnable.run();
        }
    }.start();
}

项目：lrs_android    文件：GameActivity.java   

private void doTimer(long time) {
        if (timer != null) {
            timer.cancel();
        }
        timer = new CountDownTimer(time,1000) {
            @Override
            public void onTick(long millisUntilFinished) {
//                day_v.setVisibility(View.VISIBLE);
//                day_timer_tv.setText(millisUntilFinished / 1000 + " s");
                DialogManager.showGameDay(GameActivity.this,myRole_v,null,millisUntilFinished / 1000 + " s");
            }

            @Override
            public void onFinish() {
//                day_v.setVisibility(View.GONE);
                DialogManager.dismissDialog();
            }
        }.start();
    }

项目：synesthesiavision    文件：ConnectBluetooth.java   

private void startMain() {

        new CountDownTimer(500,500) {
            @Override
            public void onTick(long millisUntilFinished) {
                Log.d("Timer","Timer ok");
            }

            @Override
            public void onFinish() {
                Intent intent = new Intent(getApplicationContext(),MainActivity.class);
                startActivity(intent);
                close();
            }
        }.start();

    }

项目：MinimalismJotter    文件：SplashActivity.java   

@Override
protected void onResume() {
    super.onResume();
    start();
    new CountDownTimer(2000,1000) {
        @Override
        public void onTick(long millisUntilFinished) {

        }

        @Override
        public void onFinish() {
            startActivity(new Intent(SplashActivity.this,NoteListActivity.class));
            finish();
        }
    }.start();
}

项目：AndroidFFmpegCompress    文件：RecordView.java   

/**
 * 开始计时
 */
private void startTimeCount() {
    endTimeCount();
    mCountDownTimer = new CountDownTimer(maxDuration * 1000,1000) {
        @Override
        public void onTick(long millisUntilFinished) {
            if (null != mOnRecordCallback) {
                mOnRecordCallback.onProgress(maxDuration,(int) (maxDuration - millisUntilFinished / 1000));
            }
        }

        @Override
        public void onFinish() {
            if (null != mOnRecordCallback) {
                mOnRecordCallback.onProgress(maxDuration,maxDuration);
                mOnRecordCallback.onFinish();
            }
            stopRecord();

        }
    }.start();
}

项目：Huochexing12306    文件：PocketProtector.java   

@Override
public boolean start(Object obj) {
    try{
        mSensormanger = (SensorManager)getmServiceContext().getSystemService(Context.SENSOR_SERVICE);
        mSensor = mSensormanger.getDefaultSensor(Sensor.TYPE_PROXIMITY);
        mSensorListener = new MySensorListener();
        request(AntiTheftService.REQUEST_SHOW_MSG,getName() + "防护已开启，将在10秒后正式生效" + SF.TIP);
        mCDTimer = new CountDownTimer(10000,1000) {

            @Override
            public void onTick(long millisUntilFinished) {
            }

            @Override
            public void onFinish() {
                mSensormanger.registerListener(mSensorListener,mSensor,SensorManager.SENSOR_DELAY_norMAL);
            }
        };
        setNeedDelay(true);
        mCDTimer.start();
        return true;
    }catch(Exception e){
        request(AntiTheftService.REQUEST_SHOW_MSG,"开启\"" + getName() + "\"防护失败，可能您的设备不支持距离传感器!");
        return false;
    }
}

项目：Sega    文件：Registeractivity.java   

private void startCountdownTimer() {
    countDownTimer = new CountDownTimer(120000,1000) {

        public void onTick(long millisUntilFinished) {
            countdown.setText("Time remaining : " + millisUntilFinished / 1000);
        }

        public void onFinish() {
            countdown.setText("Click here to resend sms verification");
            countdown.setonClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    registerUser(name,email,password,phone,address,area);;
                }
            });
        }
    }.start();
}

项目：BWS-Android    文件：AsynchronousBackgroundHandler.java   

@Override
public int runWithDelay(@NonNull final Runnable runnable,@IntRange(from = 0) long delayInMillis) {
    final int taskId = getTaskId(scheduledTasks);

    CountDownTimer scheduledTask = new CountDownTimer(delayInMillis,delayInMillis) {

        @Override
        public void onTick(long l) {
            // do nothing (is disabled anyway because "countDownInterval" is set to "millisInFuture")
        }

        @Override
        public void onFinish() {
            scheduledTasks.remove(taskId);
            runnable.run();
        }
    }.start();

    scheduledTasks.put(taskId,scheduledTask);

    return taskId;
}

项目：photo-editor-android    文件：PhotoEditorActivity.java   

private void returnBackWithSavedImage() {
    updateView(View.GONE);
    RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
            RelativeLayout.LayoutParams.WRAP_CONTENT,RelativeLayout.LayoutParams.WRAP_CONTENT);
    layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT,RelativeLayout.TRUE);
    parentimageRelativeLayout.setLayoutParams(layoutParams);
    new CountDownTimer(1000,500) {
        public void onTick(long millisUntilFinished) {

        }

        public void onFinish() {
            String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
            String imageName = "IMG_" + timeStamp + ".jpg";
            Intent returnIntent = new Intent();
            returnIntent.putExtra("imagePath",photoEditorSDK.saveImage("PhotoEditorSDK",imageName));
            setResult(Activity.RESULT_OK,returnIntent);
            finish();
        }
    }.start();
}

项目：FantaF1    文件：LoginActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_splash);

    Constant.activityState=0;

    new CountDownTimer(2000,1000) {
        public void onTick(long millisUntilDone) { }
        public void onFinish() {
            loadPreferences();
            if(Constant.fanta.length()>0){
                startMainActivity();
                Constant.activityState=1;
            } else setContent();
        }
    }.start();

}

项目：FantaF1    文件：LoginActivity.java   

private void setContent() {
    setContentView(R.layout.activity_login);
    screen = (RelativeLayout)findViewById(R.id.rl);
    ColorDrawable[] color = {new ColorDrawable(getResources().getColor(R.color.colorAccent)),new ColorDrawable(getResources().getColor(R.color.colorPrimary)) };
    TransitionDrawable trans = new TransitionDrawable(color);
    screen.setBackgroundDrawable(trans);
    trans.startTransition(1800);

    GoogleSignInoptions gso = new GoogleSignInoptions.Builder(GoogleSignInoptions.DEFAULT_SIGN_IN)
            .requestIdToken(getString(R.string.default_web_client_id)).requestemail().build();
    mGoogleapiclient = new Googleapiclient.Builder(getBaseContext())
            .enableAutoManage(this,this) .addApi(Auth.GOOGLE_SIGN_IN_API,gso).build();
    mAuth = FirebaseAuth.getInstance();

    FirebaseDatabase database = FirebaseDatabase.getInstance();
    root= database.getReference("room_names");
    loadRooms();
    new CountDownTimer(2500,1000) {
        public void onTick(long millisUntilDone) { }
        public void onFinish() {
            currentUser = mAuth.getCurrentUser();
            updateUI(currentUser);
        }
    }.start();
}

项目：lecrec-android    文件：ActivityLaunchScreen.java   

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    FacebookSdk.sdkInitialize(getApplicationContext());
    callbackManager = CallbackManager.Factory.create();

    if(AppController.USER_ID != null && AppController.USER_TOKEN != null) {
        new CountDownTimer(1000,100) {
            public void onTick(long millisUntilFinished) { }
            public void onFinish() {
                goActivityMain();
            }
        }.start();
    } else {
        changetoLoginView();
    }

    pref = getSharedPreferences(CONST.PREF_NAME,MODE_PRIVATE);
    editor = pref.edit();
}

项目：lecrec-android    文件：ActivityRecordVoice.java   

void initRxPlayer(){
    mRxAudioPlayer.play(PlayConfig.file(mConvertedAudioFile).looping(false).leftVolume(0F).rightVolume(0F).build())
            .subscribeOn(Schedulers.io())
            .subscribe(new Action1<Boolean>() {
                @Override
                public void call(Boolean aBoolean) { }
            });
    new CountDownTimer(500,100) {
        public void onTick(long millisUntilFinished) { }
        public void onFinish() {
            if(mRxAudioPlayer.getMediaPlayer() != null) {
                mRxAudioPlayer.getMediaPlayer().stop();
            }
        }
    }.start();
}

项目：Hackathon_2017    文件：MainActivity.java   

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    pregunta = findViewById(R.id.txt_pregunta);
    r1 = findViewById(R.id.b1);
    r2 = findViewById(R.id.b2);
    r3 = findViewById(R.id.b3);
    r4 = findViewById(R.id.b4);

    new Peticion().execute();

    new CountDownTimer(999999999,1000){

        @Override
        public void onFinish() {
        }

        @Override
        public void onTick(long l) {
            new Posicion().execute();
        }
    }.start();
}

项目：gofun-app    文件：CountDownService.java   

public void startCountDownTimer(final Intent intent) {
    long timeLeftInMillis = TimerManager.getInstance(this).getTimeLeftInMillis();
    CountDownTimer countDownTimer = new CountDownTimer(timeLeftInMillis,1000) {

        @Override
        public void onTick(long millisUntilFinished) {
            intent.putExtra(Constants.Timer.KEY_COUNTDOWN,millisUntilFinished);
            getApplicationContext().sendbroadcast(intent);
        }

        @Override
        public void onFinish() {
            showCountDownNotification();
            removeDayInTime();
        }
    };

    if(timeLeftInMillis > 1000){
        countDownTimer.start();
        Log.d(TAG,"startCountDownTimer: CountDownStarted");
    }
}

项目：android-AutofillFramework    文件：WelcomeActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.welcome_activity);
    final TextView countdownText = findViewById(R.id.countdownText);
    new CountDownTimer(5000,1000) {
        @Override
        public void onTick(long millisUntilFinished) {
            int secondsRemaining = toIntExact(millisUntilFinished / 1000);
            countdownText.setText(getResources().getQuantityString
                    (R.plurals.welcome_page_countdown,secondsRemaining,secondsRemaining));
        }

        @Override
        public void onFinish() {
            if (!WelcomeActivity.this.isFinishing()) {
                finish();
            }
        }
    }.start();
}

项目：sealtalk-android-master    文件：DownTimer.java   

/**
 * [倒计为time长的时间，时间间隔为mills]
 * @param time
 * @param mills
 */
public void startDown(long time,"DownTimerListener 监听不能为空");
            }
        }

        @Override
        public void onFinish() {
            if (listener != null) {
                listener.onFinish();
            } else {
                NLog.e(TAG,"DownTimerListener 监听不能为空");
            }
            if (mCountDownTimer != null)mCountDownTimer.cancel();
        }

    } .start();
}

项目：Coin-Tracker    文件：SplashActivity.java   

private void goToHome() {
    timer = new CountDownTimer(500,100) {
        @Override
        public void onTick(long millisUntilFinished) {

        }

        @Override
        public void onFinish() {
            startActivity(new Intent(SplashActivity.this,HomeActivity.class));
            overridePendingTransition(0,R.anim.fade_out);
            finish();
        }
    };

    timer.start();
}

项目：Styleabletoast    文件：ToastLengthTracker.java   

/**
 * Starts a {@link CountDownTimer} which counts down from the length of the StyleabletoastListener
 * from the moment {@link Styleabletoast#show()} is called to cancel and reset the animation at end of the {@link Styleabletoast}'s length.
 */
public void trackToastLength() {
    CountDownTimer countDownTimer = new CountDownTimer(length + EXTRA_DELAY,1000) {
        @Override
        public void onTick(long millisUntilFinished) {
        }

        @Override
        public void onFinish() {
            if (onToastFinishedListener != null) {
                onToastFinishedListener.onToastFinished();
            }
        }
    };
    countDownTimer.start();
}

项目：GCSApp    文件：TributePayDelegate.java   

public void setTime(long endTime) {
    if (endTime != 0) {
        tv_time_tip.setVisibility(View.VISIBLE);
        timer = new CountDownTimer(endTime - System.currentTimeMillis(),1000) {
            @Override
            public void onTick(long l) {
                String tip = TimeUtil.getTimesEnd(l);
                tv_time_tip.setText(tip);

            }

            @Override
            public void onFinish() {

            }
        }.start();


    } else {
        tv_time_tip.setVisibility(View.GONE);
    }

}

项目：accelerator-sample-apps-android    文件：MainActivity.java   

private void showAll() {
    mCallToolbar.setVisibility(View.GONE);
    showAnnotationsToolbar(true);
    mCountDownTimer = new CountDownTimer(3000,1000) {
        @Override
        public void onTick(long millisUntilFinished) {
        }

        @Override
        public void onFinish() {
            if (isAnnotations) {
                mCallToolbar.setVisibility(View.VISIBLE);
                RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) mAnnotationsToolbar.getLayoutParams();
                params.addRule(RelativeLayout.ABOVE,mCallToolbar.getId());
                mAnnotationsToolbar.setLayoutParams(params);
                mAnnotationsToolbar.setVisibility(View.VISIBLE);
                mActionBarContainer.setVisibility(View.GONE);
            }
        }
    }.start();
}

项目：rongyunDemo    文件：DownTimer.java   

/**
 * [倒计为time长的时间，时间间隔为mills]
 * @param time
 * @param mills
 */
public void startDown(long time,"DownTimerListener 监听不能为空");
            }
            if (mCountDownTimer != null)mCountDownTimer.cancel();
        }

    } .start();
}

项目：BlogBookApp    文件：SwipePlaceHolderView.java   

/**
 * @param resolver
 * @param isSwipeIn
 */
public void doSwipe(Object resolver,boolean isSwipeIn) {
    if (mIsBtnSwipeDone) {
        mIsBtnSwipeDone = false;
        swipeviewBinder swipeviewBinder = null;
        for (swipeviewBinder viewBinder : mswipeviewBinderList) {
            if (viewBinder.getResolver() == resolver) {
                swipeviewBinder = viewBinder;
                break;
            }
        }

        if (swipeviewBinder != null) {
            swipeviewBinder.doSwipe(isSwipeIn);
        }
        new CountDownTimer((int) (2.25 * mSwipeDecor.getSwipeAnimTime()),mSwipeDecor.getSwipeAnimTime()) {
            public void onTick(long millisUntilFinished) {
            }

            public void onFinish() {
                mIsBtnSwipeDone = true;
            }
        }.start();
    }
}

项目：BlogBookApp    文件：SwipePlaceHolderView.java   

/**
 * @param isSwipeIn
 */
public void doSwipe(boolean isSwipeIn) {
    if (mIsBtnSwipeDone) {
        mIsBtnSwipeDone = false;
        if (mswipeviewBinderList.size() > 0) {
            mswipeviewBinderList.get(0).doSwipe(isSwipeIn);
        }

        new CountDownTimer((int) (2.25 * mSwipeDecor.getSwipeAnimTime()),mSwipeDecor.getSwipeAnimTime()) {
            public void onTick(long millisUntilFinished) {
            }

            public void onFinish() {
                mIsBtnSwipeDone = true;
            }
        }.start();
    }
}

项目：QuizApp-Android    文件：FragStartGame.java   

@Nullable
@Override
public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) {
    final View view = inflater.inflate(R.layout.layout_start_game,container,false);
    Log.e("FragmentStartGame","onCreateView");
    startFragText = (TextView) view.findViewById(R.id.startFragmentText);
    new CountDownTimer(5000,100) {
        public void onTick(long millisUntilFinished) {
            startFragText.setText("Jocul începe în \n " + millisUntilFinished / 1000 + " ");
        }

        public void onFinish() {
            closeFragment();
        }
    }.start();

    view.setonTouchListener(new View.OnTouchListener() {
        public boolean onTouch(View v,MotionEvent event) {
            return true;
        }
    });
    return view;
}

项目：CCAvenue-Android-Example-Advanced    文件：OtpFragment.java   

@Override
public View onCreateView(LayoutInflater inflater,Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.otp_fragment,false);
    /*okBtn = (Button) view.findViewById(R.id.okBtn);
    okBtn.setonClickListener(this);*/
    timerText = (TextView) view.findViewById(R.id.timerText);
    new CountDownTimer(30000,1000) {

        public void onTick(long millisUntilFinished) {
            timerText.setText("Time remaining: " + millisUntilFinished / 1000);
        }

        public void onFinish() {
            //timerText.setText("done!");
        }
    }.start();

    return view;
}

项目：PosTrainer    文件：AlarmService.java   

private void playAlarmSound() throws java.io.IOException {
    new CountDownTimer(30000,1000) {
        public void onTick(long millisUntilFinished) {

        }

        public void onFinish() {
            if (mediaPlayer != null) {
                mediaPlayer.stop();
                mediaPlayer.release();
            }
        }
    };

    mediaPlayer.start();
}