Java tutorial
/* * Copyright 2012 The Stanford MobiSocial Laboratory * * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 * * 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 mobisocial.musubi.ui.fragments; import org.apache.commons.io.output.ByteArrayOutputStream; import mobisocial.musubi.objects.PictureObj; import mobisocial.musubi.util.InstrumentedActivity; import mobisocial.musubi.util.PhotoTaker; import mobisocial.musubi.util.UriImage; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.util.Log; import android.widget.Toast; public class ChooseImageDialog extends DialogFragment { static final int REQUEST_PROFILE_PICTURE = 71; static final int REQUEST_GALLERY_THUMBNAIL = 72; static final String EXTRA_THUMBNAIL = "thumbnail"; public static ChooseImageDialog newInstance() { Bundle args = new Bundle(); ChooseImageDialog spd = new ChooseImageDialog(); spd.setArguments(args); return spd; } // for framework public ChooseImageDialog() { } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { return new AlertDialog.Builder(getActivity()).setTitle("Choose an Image...") .setItems(new String[] { "From Camera", "From Gallery" }, new DialogInterface.OnClickListener() { @SuppressWarnings("deprecation") @Override public void onClick(DialogInterface dialog, int which) { switch (which) { case 0: final Activity activity = getActivity(); Toast.makeText(activity, "Loading camera...", Toast.LENGTH_SHORT).show(); ((InstrumentedActivity) activity) .doActivityForResult(new PhotoTaker(activity, new PhotoTaker.ResultHandler() { @Override public void onResult(Uri imageUri) { Log.d(getClass().getSimpleName(), "Updating thumbnail..."); try { UriImage image = new UriImage(activity, imageUri); byte[] data = image.getResizedImageData(512, 512, PictureObj.MAX_IMAGE_SIZE / 2); // profile Bitmap sourceBitmap = BitmapFactory.decodeByteArray(data, 0, data.length); int width = sourceBitmap.getWidth(); int height = sourceBitmap.getHeight(); int cropSize = Math.min(width, height); Bitmap cropped = Bitmap.createBitmap(sourceBitmap, 0, 0, cropSize, cropSize); ByteArrayOutputStream baos = new ByteArrayOutputStream(); cropped.compress(Bitmap.CompressFormat.JPEG, 90, baos); cropped.recycle(); sourceBitmap.recycle(); Bundle bundle = new Bundle(); bundle.putByteArray(EXTRA_THUMBNAIL, baos.toByteArray()); Intent res = new Intent(); res.putExtras(bundle); getTargetFragment().onActivityResult(REQUEST_PROFILE_PICTURE, Activity.RESULT_OK, res); } catch (Throwable t) { Log.e("ViewProfile", "failed to generate thumbnail of profile", t); Toast.makeText(activity, "Profile picture capture failed. Try again.", Toast.LENGTH_SHORT).show(); } } }, 200, false)); break; case 1: Intent gallery = new Intent(Intent.ACTION_GET_CONTENT); gallery.setType("image/*"); // god damn fragments. getTargetFragment().startActivityForResult(Intent.createChooser(gallery, null), REQUEST_GALLERY_THUMBNAIL); break; } } }).create(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { Log.e("FRAGMENTED", "got a result abck"); // getTargetFragment().onActivityResult(requestCode, resultCode, data); } }