OpenLogActivity.java

/**
 * Copyright (C) 2013 Johannes Schnatterer
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This file is part of nusic.
 *
 * nusic 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, or
 * (at your option) any later version.
 *
 * nusic 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 nusic.  If not, see <http://www.gnu.org/licenses/>.
 */
package info.schnatterer.nusic.android.activities;

import info.schnatterer.logbackandroidutils.Logs;
import info.schnatterer.nusic.ui.R;
import roboguice.activity.RoboActionBarActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.content.FileProvider;

/**
 * Sends an intent that contains the newest log file as <code>text/plain</code>.
 * Note that you need to set up the {@link FileProvider} in your android
 * manifest. For example: <br/>
 *
 * <pre>
 *    <!-- Expose log files for email clients -->
 *    <provider
 *         android:name="android.support.v4.content.FileProvider"
 *         android:authorities="@string/authority_log_file_provider"
 *         android:exported="false"
 *         android:grantUriPermissions="true" >
 *         <meta-data
 *             android:name="android.support.FILE_PROVIDER_PATHS"
 *             android:resource="@xml/logpath" />
 *     </provider>
 * </pre>
 *
 * @author schnatterer
 *
 */
public class OpenLogActivity extends RoboActionBarActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        /* Get URIs for log files using android.support.v4.content.FileProvider */
        final Intent openFile = new Intent(Intent.ACTION_VIEW);
        Uri uriForFile = FileProvider.getUriForFile(this,
                getString(R.string.authority_log_file_provider),
                Logs.findNewestLogFile(this));
        openFile.setDataAndType(uriForFile, "text/plain");
        openFile.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        startActivity(openFile);

        finish();
    }
}