ProgressDialogUtil.java

package com.withiter.quhao.util.tool;

import android.app.ProgressDialog;
import android.content.Context;
import android.view.KeyEvent;

import com.withiter.quhao.util.QuhaoLog;

public class ProgressDialogUtil {

	private ProgressDialog pd;
	private static final String TAG = ProgressDialog.class.getName();

	public ProgressDialogUtil(final Context context, int title, int res,
			final boolean permitClose) {
		pd = new ProgressDialog(context) {
			@Override
			public boolean dispatchKeyEvent(KeyEvent event) {

				if (event.getAction() == KeyEvent.ACTION_DOWN) {
					if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
						if (!permitClose) {
							return true;
						}
					} else if (event.getKeyCode() != KeyEvent.KEYCODE_HOME) {
						return true;
					}
				}

				return super.dispatchKeyEvent(event);
			}

		};
		pd.setTitle(title);
		pd.setMessage(context.getResources().getText(res));
	}

	public void setMessage(String message) {
		if (null != pd) {
			pd.setMessage(message);
		}
	}

	public void setTitle(String title) {
		if (null != pd) {
			pd.setTitle(title);
		}
	}

	public void showProgress() {
		if (null != pd && !pd.isShowing()) {
			try {
				pd.show();
			} catch (Exception e) {
				QuhaoLog.e(TAG, "show progress error");
			}
		}
	}

	public void closeProgress() {
		if (pd != null && pd.isShowing()) {
			try {
				pd.dismiss();
			} catch (Exception e) {
				QuhaoLog.e(TAG, "close progress error");
			}
		}
	}
}