Android Open Source - SensorDataCollector Experiment List Loader

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (c) 2014, the SenSee authors.  Please see the AUTHORS file
 * for details. /*w  w  w  . j av  a 2 s .com*/
 * 
 * Licensed under the GNU Public License, Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *       http://www.gnu.org/copyleft/gpl.html
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */

package sysnetlab.android.sdc.loaders;

import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import sysnetlab.android.sdc.R;
import sysnetlab.android.sdc.datacollector.Experiment;
import sysnetlab.android.sdc.datacollector.ExperimentManagerSingleton;
import android.support.v4.content.AsyncTaskLoader;
import android.view.View;
import android.widget.ProgressBar;
import android.app.Activity;
import android.content.Context;

public class ExperimentListLoader extends AsyncTaskLoader<List<Experiment>> {

    ProgressBar mProgressBar;

    public ExperimentListLoader(Context context) {
        super(context);
        ((Activity) context).findViewById(R.id.layout_progressbar_loading).setVisibility(
                View.VISIBLE);
        mProgressBar = (ProgressBar) ((Activity) context)
                .findViewById(R.id.progressbar_task_in_progress);
        mProgressBar.setVisibility(View.VISIBLE);
    }

    @Override
    public List<Experiment> loadInBackground() {
        List<Experiment> allExperiments = ExperimentManagerSingleton
                .getInstance()
                .getExperiments(mProgressBar);
        Collections.sort(allExperiments, new Comparator<Experiment>() {
            public int compare(Experiment e1, Experiment e2) {
                return -(e1.getDateTimeCreated().compareTo(e2.getDateTimeCreated()));
            }
        });
        return allExperiments;
    }

    @Override
    protected void onStartLoading() {
        super.onStartLoading();
        mProgressBar.setMax(
                ExperimentManagerSingleton.getInstance().getCountExperiments());
    }

    @Override
    public void deliverResult(List<Experiment> data) {
        mProgressBar.setVisibility(View.GONE);
        super.deliverResult(data);
    }
}

Java Source Code List

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