Android Open Source - SensorDataCollector Audio Sensor Probing Activity

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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. /*from w  ww .j av  a2s .co  m*/
 * 
 * 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.ui;

import java.util.List;

import sysnetlab.android.sdc.R;
import sysnetlab.android.sdc.sensor.audio.AudioRecordParameter;
import sysnetlab.android.sdc.sensor.audio.AudioRecordSettingDataSource;
import sysnetlab.android.sdc.sensor.audio.AudioSensorHelper;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;

public class AudioSensorProbingActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fragment_container);
    }

    @Override
    protected void onResume() {
        super.onResume();

        AudioSensorProbingTask task = new AudioSensorProbingTask(this);
        task.execute();
    }

    public class AudioSensorProbingTask extends AsyncTask<Void, Integer, Void> {
        private Context mContext;

        private ProgressBar mProgressWheel;

        AudioSensorProbingTask(Context context) {
            mContext = context;
        }

        public void doPublishProgress(int progress) {
            publishProgress(progress);
        }

        @Override
        protected Void doInBackground(Void... v) {
            AudioRecordSettingDataSource.initializeInstance(mContext);
            AudioRecordSettingDataSource dbSource = AudioRecordSettingDataSource.getInstance();
            dbSource.open();

            if (!dbSource.isDataSourceReady()) {
                // this can be time consuming
                dbSource.prepareDataSource(this);
            } else {
                List<AudioRecordParameter> listParams = dbSource.getAllAudioRecordParameters();
                if (listParams == null || listParams.isEmpty()) {
                    // this can be time consuming
                    dbSource.prepareDataSource(this);
                }
            }

            dbSource.close();
            return null;
        }

        @Override
        protected void onPreExecute() {
            RelativeLayout layoutProgress = (RelativeLayout) findViewById(R.id.layout_progressbar_loading);
            if (layoutProgress != null) {
                mProgressWheel = (ProgressBar) layoutProgress
                        .findViewById(R.id.progressbar_task_in_progress);
                mProgressWheel.setMax(AudioSensorHelper.estimateWorkLoadOnSensorProbing());
                mProgressWheel.setVisibility(View.VISIBLE);
                layoutProgress.findViewById(R.id.textview_progressbar).setVisibility(View.VISIBLE);
                layoutProgress.setVisibility(View.VISIBLE);
            }
        }

        @Override
        protected void onProgressUpdate(Integer... values) {
            mProgressWheel.setProgress(values[0]);
        }

        @Override
        protected void onPostExecute(Void result) {

            RelativeLayout layoutProgress = (RelativeLayout) findViewById(R.id.layout_progressbar_loading);
            if (layoutProgress != null) {
                mProgressWheel.setVisibility(View.GONE);
                layoutProgress.findViewById(R.id.textview_progressbar).setVisibility(View.GONE);
                layoutProgress.setVisibility(View.GONE);
            }

            Intent intent = new Intent(AudioSensorProbingActivity.this,
                    SensorDataCollectorActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
        }
    }
}

Java Source Code List

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