Java tutorial
/* * Geopaparazzi - Digital field mapping on Android based devices * Copyright (C) 2016 HydroloGIS (www.hydrologis.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, or * (at your option) any later version. * * 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 eu.geopaparazzi.library.sketch; import java.io.File; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.provider.MediaStore; import android.support.v4.app.FragmentActivity; import eu.geopaparazzi.library.database.GPLog; import eu.geopaparazzi.library.forms.FormDetailFragment; import eu.geopaparazzi.library.util.LibraryConstants; /** * Utilities for interaction with the sketch application. * * @author Andrea Antonello (www.hydrologis.com) */ public class SketchUtilities { private static final boolean LOG_HOW = GPLog.LOG_ABSURD; public static final String APP_MAIN_ACTIVITY = "anupam.acrylic.EasyPaint"; /** * */ public static final String EXTRA_KEY = MediaStore.EXTRA_OUTPUT; /** * Opens Marker in new sketch mode, supplying a file to save to. * <p/> * <p>If position data are supplied, they should be used to create a properties file. * * @param context the context to use. * @param image the image file to save to. * @param gpsLocation the position of the sketch or <code>null</code>. * @param requestCode if > 0, then the activity is started for a result (in which case the * Context needs to be an activity.. */ public static void launch(Context context, File image, double[] gpsLocation, int requestCode) { Intent sketchIntent = prepareIntent(context, image, gpsLocation); if (requestCode < 0) { context.startActivity(sketchIntent); } else { if (context instanceof Activity) { Activity activity = (Activity) context; activity.startActivityForResult(sketchIntent, requestCode); } } } /** * Opens Marker in new sketch mode, supplying a file to save to. * <p/> * <p>If position data are supplied, they should be used to create a properties file. * * @param fragmentDetail the fragmentDetail to use. * @param image the image file to save to. * @param gpsLocation the position of the sketch or <code>null</code>. * @param requestCode if > 0, then the activity is started for a result (in which case the * Context needs to be an activity.. */ public static void launch(FormDetailFragment fragmentDetail, File image, double[] gpsLocation, int requestCode) { FragmentActivity activity = fragmentDetail.getActivity(); Intent sketchIntent = prepareIntent(activity, image, gpsLocation); if (requestCode < 0) { fragmentDetail.startActivity(sketchIntent); } else { fragmentDetail.startActivityForResult(sketchIntent, requestCode); } } private static Intent prepareIntent(Context context, File image, double[] gpsLocation) { Intent sketchIntent = null; try { sketchIntent = new Intent(context, Class.forName(APP_MAIN_ACTIVITY)); } catch (ClassNotFoundException e) { throw new RuntimeException(e); } sketchIntent.putExtra(SketchUtilities.EXTRA_KEY, image.getAbsolutePath()); if (gpsLocation != null) { sketchIntent.putExtra(LibraryConstants.LATITUDE, gpsLocation[1]); sketchIntent.putExtra(LibraryConstants.LONGITUDE, gpsLocation[0]); sketchIntent.putExtra(LibraryConstants.ELEVATION, gpsLocation[2]); } return sketchIntent; } /** * Launch intend for result. * * @param activity the parent activiuty. * @param image the image to use. * @param gpsLocation the position. * @param requestCode the return code. */ public static void launchForResult(Activity activity, File image, double[] gpsLocation, int requestCode) { Intent sketchIntent = prepareIntent(activity, image, gpsLocation); activity.startActivityForResult(sketchIntent, requestCode); } }