AbstractConfigurationActivity.java

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.gotorennes;

import android.app.Activity;
import android.app.AlertDialog;
import android.appwidget.AppWidgetManager;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import fr.gotorennes.util.BackgroundTask;

public abstract class AbstractConfigurationActivity extends Activity {

	protected GoToRennes goToRennes;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		BackgroundTask<Boolean> backgroundInit = new BackgroundTask<Boolean>() {

			@Override
			protected Boolean execute() {
				try {
					goToRennes = GoToRennes.getInstance(AbstractConfigurationActivity.this, null);
				} catch (Exception ex) {
					return false;
				}
				return true;
			}

			@Override
			protected void callback(Boolean result) {
				if (result == null || !result) {
					showError(getString(R.string.erreurInitialisation), true);
				} else {
					init();
					goToRennes.track(getTrackingName());
				}
			}
		};
		backgroundInit.start(this);
	}

	protected abstract void init();

	protected abstract String getTrackingName();

	@Override
	protected void onDestroy() {
		super.onDestroy();
		if (goToRennes != null)
			goToRennes.stop();
	}

	protected int getWidgetId() {
		Intent intent = getIntent();
		Bundle extras = intent.getExtras();

		int appWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;

		if (extras != null) {
			appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
		}

		if (appWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
			finish();
		}
		
		Log.i("Go2Rennes", "WidgetId" + appWidgetId);
		
		return appWidgetId;
	}

	protected void showError(String message) {
		showError(message, false);
	}

	protected void showError(String message, final boolean finish) {
		AlertDialog.Builder build = new AlertDialog.Builder(this);
		build.setMessage(message);
		build.setPositiveButton("Ok", new android.content.DialogInterface.OnClickListener() {

			@Override
			public void onClick(DialogInterface dialog, int which) {
				dialog.dismiss();
				if (finish)
					finish();
			}

		});
		build.create().show();
	}

}