Java tutorial
/******************************************************************************* * Copyright 2013 Kumar Bibek * * 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 com.cars.manager.utils.imageChooser.api; import java.io.File; import java.util.Calendar; import android.annotation.SuppressLint; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Intent; import android.net.Uri; import android.provider.MediaStore; import android.support.v4.app.Fragment; import android.text.TextUtils; import android.util.Log; import com.cars.manager.utils.imageChooser.api.config.Config; import com.cars.manager.utils.imageChooser.threads.ImageProcessorListener; import com.cars.manager.utils.imageChooser.threads.ImageProcessorThread; /** * Easy Image Chooser Library for Android Apps. Forget about coding workarounds * for different devices, OSes and folders. * * @author Beanie */ public class ImageChooserManager extends BChooser implements ImageProcessorListener { private final static String TAG = "ImageChooserManager"; private final static String DIRECTORY = "bimagechooser"; private ImageChooserListener listener; /** * Simplest constructor. Specify the type * {@link ChooserType.REQUEST_PICK_PICTURE} or * {@link ChooserType.REQUEST_CAPTURE_PICTURE} * * @param activity * @param type */ public ImageChooserManager(Activity activity, int type) { super(activity, type, DIRECTORY, true); } public ImageChooserManager(Fragment fragment, int type) { super(fragment, type, DIRECTORY, true); } public ImageChooserManager(android.app.Fragment fragment, int type) { super(fragment, type, DIRECTORY, true); } /** * Specify the type {@link ChooserType.REQUEST_PICK_PICTURE} or * {@link ChooserType.REQUEST_CAPTURE_PICTURE} * <p> * Optionally, you can control where the exported images with their * thumbnails would be stored. * </p> * * @param activity * @param type * @param foldername */ public ImageChooserManager(Activity activity, int type, String foldername) { super(activity, type, foldername, true); } public ImageChooserManager(Fragment fragment, int type, String foldername) { super(fragment, type, foldername, true); } public ImageChooserManager(android.app.Fragment fragment, int type, String foldername) { super(fragment, type, foldername, true); } /** * Specify the type {@link ChooserType.REQUEST_PICK_PICTURE} or * {@link ChooserType.REQUEST_CAPTURE_PICTURE} * <p> * Optionally, you can set whether you need thumbnail generation or not. If * not, you would get the original image for the thumbnails as well * </p> * * @param activity * @param type * @param shouldCreateThumbnails */ public ImageChooserManager(Activity activity, int type, boolean shouldCreateThumbnails) { super(activity, type, DIRECTORY, shouldCreateThumbnails); } public ImageChooserManager(Fragment fragment, int type, boolean shouldCreateThumbnails) { super(fragment, type, DIRECTORY, shouldCreateThumbnails); } public ImageChooserManager(android.app.Fragment fragment, int type, boolean shouldCreateThumbnails) { super(fragment, type, DIRECTORY, shouldCreateThumbnails); } /** * Specify the type {@link ChooserType.REQUEST_PICK_PICTURE} or * {@link ChooserType.REQUEST_CAPTURE_PICTURE} * <p> * Specify your own foldername and whether you want the generated thumbnails * or not * </p> * * @param activity * @param type * @param foldername * @param shouldCreateThumbnails */ public ImageChooserManager(Activity activity, int type, String foldername, boolean shouldCreateThumbnails) { super(activity, type, foldername, shouldCreateThumbnails); } public ImageChooserManager(Fragment fragment, int type, String foldername, boolean shouldCreateThumbnails) { super(fragment, type, foldername, shouldCreateThumbnails); } public ImageChooserManager(android.app.Fragment fragment, int type, String foldername, boolean shouldCreateThumbnails) { super(fragment, type, foldername, shouldCreateThumbnails); } /** * Set a listener, to get callbacks when the images and the thumbnails are * processed * * @param listener */ public void setImageChooserListener(ImageChooserListener listener) { this.listener = listener; } @Override public String choose() throws Exception { String path = null; if (listener == null) { throw new IllegalArgumentException( "ImageChooserListener cannot be null. Forgot to set ImageChooserListener???"); } switch (type) { case ChooserType.REQUEST_PICK_PICTURE: choosePicture(); break; case ChooserType.REQUEST_CAPTURE_PICTURE: path = takePicture(); break; default: throw new IllegalArgumentException("Cannot choose a video in ImageChooserManager"); } return path; } private void choosePicture() throws Exception { checkDirectory(); try { Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("image/*"); startActivity(intent); } catch (ActivityNotFoundException e) { throw new Exception("Activity not found"); } } private String takePicture() throws Exception { checkDirectory(); try { Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); filePathOriginal = FileUtils.getDirectory(foldername) + File.separator + Calendar.getInstance().getTimeInMillis() + ".jpg"; intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(filePathOriginal))); startActivity(intent); } catch (ActivityNotFoundException e) { throw new Exception("Activity not found"); } return filePathOriginal; } @Override public void submit(int requestCode, Intent data) { if (requestCode != type) { onError("onActivityResult requestCode is different from the type the chooser was initialized with."); } else { switch (requestCode) { case ChooserType.REQUEST_PICK_PICTURE: processImageFromGallery(data); break; case ChooserType.REQUEST_CAPTURE_PICTURE: processCameraImage(); break; } } } @SuppressLint("NewApi") private void processImageFromGallery(Intent data) { if (data != null && data.getDataString() != null) { String uri = data.getData().toString(); sanitizeURI(uri); if (filePathOriginal == null || TextUtils.isEmpty(filePathOriginal)) { onError("File path was null"); } else { if (Config.DEBUG) { Log.i(TAG, "File: " + filePathOriginal); } String path = filePathOriginal; ImageProcessorThread thread = new ImageProcessorThread(path, foldername, shouldCreateThumbnails); thread.setListener(this); if (activity != null) { thread.setContext(activity.getApplicationContext()); } else if (fragment != null) { thread.setContext(fragment.getActivity().getApplicationContext()); } else if (appFragment != null) { thread.setContext(appFragment.getActivity().getApplicationContext()); } thread.start(); } } else { onError("Image Uri was null!"); } } private void processCameraImage() { String path = filePathOriginal; ImageProcessorThread thread = new ImageProcessorThread(path, foldername, shouldCreateThumbnails); thread.setListener(this); thread.start(); } @Override public void onProcessedImage(ChosenImage image) { if (listener != null) { listener.onImageChosen(image); } } @Override public void onError(String reason) { if (listener != null) { listener.onError(reason); } } }