ㅍㅍ 졸리다.

NDK말고 써야할 기술?

Finding clear information on the web about setting up a Timer in Android seems to be a rough task.

The general consensus is that the android.os.Handler class should be used instead via the postDelayed() method.

In general, this process seems like a valid way to achieve the timer. However, when you want a timer to actually function like a timer, for example, running some process every second, on the second, you quickly see the problems caused by using the postDelayed() method.

More information on using the postDelayed() method can be found here: �

http://android-developers.blogspot.com/2007/11/stitch-in-time.html

Using the process described above, if you have a method that you want to call every second (Timer_Tick), and the method itself takes between 100ms – 200ms to complete, after which you do a postDelayed() to run it again in 1000ms, you end up with a timer that runs every 1.2 seconds, and grows progressively out of 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with real time. I suppose you could correct this by determining how long the method took to run, then calling postDelayed with the adjusted time, but that would not be as reliable as an actual timer.

Using an actual Timer (java.util.Timer) in conjunction with runOnUiThread() is one way to solve this issue, and below is an example of how to implement it.

public class myActivity extends Activity {

private Timer myTimer;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle icicle) {

super.onCreate(icicle);

setContentView(R.layout.main);

myTimer = new Timer();

myTimer.schedule(new TimerTask() {

@Override

public void run() {

TimerMethod();

}

}, 0, 1000);

}

private void TimerMethod()

{

//This method is called directly by the timer

//and runs in the same thread as the timer.

//We call the method that will work with the UI

//through the runOnUiThread method.

this.runOnUiThread(Timer_Tick);

}

private Runnable Timer_Tick = new Runnable() {

public void run() {

//This method runs in the same thread as the UI.

//Do something to the UI thread here

}

};

}

Hopefully this is clear, and can help others that need to address this situation.

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February 23, 2009 by steve

Filed under: Uncategorized

1. 너비우선으로 바꾼다.

2. 병렬로 돌아갈 수 있거나 중간에 끊겨도 괜찮도록 바꾼다.

위 두가지는 9월 중에만 하면 된다.?

tags : 트위터 크롤러, 크롤러, twitter

1. 관계정보 넣는 것은 프로필,관계정보만 넣는다. => 트윗 정보는 여기서 넣지 않는다.

- 병렬로 처리될 수 있는 것을 구지 하나의 루틴으로 마무리 지을 필요가 없다.

2. 트윗 정보를 넣는 것은 해당 사람의 트윗을 긁어오는 메소드를 이용하여

n깊이의 사람들의 트윗을 넣는 것을 만든다.