gistfile1.java

package exam.androidtest;

import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class NotificationTest extends Activity {
	static final int PROGRESS_DIALOG = 0;
	Button button;
	ProgressThread progressThread;
	ProgressDialog progressDialog;

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		button = (Button) findViewById(R.id.btn);
		button.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				showDialog(PROGRESS_DIALOG);
			}
		});
	}

	protected Dialog onCreateDialog(int id) {
		switch (id) {
		case PROGRESS_DIALOG:
			progressDialog = new ProgressDialog(NotificationTest.this);
			progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
			progressDialog.setMessage("Loading...");
			progressThread = new ProgressThread(handler);
			progressThread.start();
			return progressDialog;
		default:
			return null;
		}
	}

	// 핸들러는 정의하여 스레드가 메시지를 보내면 프로그레스를 업데이트 합니다.
	final Handler handler = new Handler() {
		public void handleMessage(Message msg) {
			int total = msg.getData().getInt("total");

			progressDialog.setProgress(total);
			if (total >= 100) {
				dismissDialog(PROGRESS_DIALOG);
				progressThread.setState(ProgressThread.STATE_DONE);
			}
		}
	};

	/** 프로그레스를 처리하는 클래스를 내부 클래스로 정의. */
	private class ProgressThread extends Thread {
		Handler mHandler;
		final static int STATE_DONE = 0;
		final static int STATE_RUNNING = 1;
		int mState;
		int total;

		ProgressThread(Handler h) {
			mHandler = h;
		}

		public void run() {
			mState = STATE_RUNNING;
			total = 0;
			while (mState == STATE_RUNNING) {
				try {
					Thread.sleep(100);
				} catch (InterruptedException e) {
					// 에러처리
				}
				Message msg = mHandler.obtainMessage();
				Bundle b = new Bundle();
				b.putInt("total", total);
				msg.setData(b);
				mHandler.sendMessage(msg);
				total++;
			}
		} 

		// 현재의 상태를 설정하는 메소드
		public void setState(int state) {
			mState = state;
		}
	}
}