Java tutorial
/** * **************************************************************************** * Copyright 2013 Kumar Bibek * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.amytech.android.library.views.imagechooser.api; import android.annotation.SuppressLint; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Intent; import android.support.v4.app.Fragment; import android.text.TextUtils; import android.util.Log; import com.amytech.android.library.BuildConfig; import com.amytech.android.library.views.imagechooser.threads.ImageProcessorListener; import com.amytech.android.library.views.imagechooser.threads.ImageProcessorThread; import com.amytech.android.library.views.imagechooser.threads.MediaProcessorThread; import com.amytech.android.library.views.imagechooser.threads.VideoProcessorListener; import com.amytech.android.library.views.imagechooser.threads.VideoProcessorThread; /** * Easy Media Chooser Library for Android Apps. Forget about coding workarounds * for different devices, OSes and folders. * * @author Beanie */ public class MediaChooserManager extends BChooser implements ImageProcessorListener, VideoProcessorListener { private final static String TAG = "MediaChooserManager"; private MediaChooserListener listener; /** * Simplest constructor. Specify the type {@link ChooserType} * * @param activity * @param type */ public MediaChooserManager(Activity activity, int type) { super(activity, type, true); } public MediaChooserManager(Fragment fragment, int type) { super(fragment, type, true); } public MediaChooserManager(android.app.Fragment fragment, int type) { super(fragment, type, true); } /** * Specify the type {@link ChooserType} * <p> * Optionally, you can control where the exported images with their * thumbnails would be stored. * </p> * * @param activity * @param type * @param foldername */ public MediaChooserManager(Activity activity, int type, String foldername) { super(activity, type, foldername, true); } public MediaChooserManager(Fragment fragment, int type, String foldername) { super(fragment, type, foldername, true); } public MediaChooserManager(android.app.Fragment fragment, int type, String foldername) { super(fragment, type, foldername, true); } /** * Specify the type {@link ChooserType} * <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 MediaChooserManager(Activity activity, int type, boolean shouldCreateThumbnails) { super(activity, type, shouldCreateThumbnails); } public MediaChooserManager(Fragment fragment, int type, boolean shouldCreateThumbnails) { super(fragment, type, shouldCreateThumbnails); } public MediaChooserManager(android.app.Fragment fragment, int type, boolean shouldCreateThumbnails) { super(fragment, type, shouldCreateThumbnails); } /** * Specify the type {@link ChooserType} * <p> * Specify your own foldername and whether you want the generated thumbnails * or not * </p> * * @param activity * @param type * @param foldername * @param shouldCreateThumbnails */ public MediaChooserManager(Activity activity, int type, String foldername, boolean shouldCreateThumbnails) { super(activity, type, foldername, shouldCreateThumbnails); } public MediaChooserManager(Fragment fragment, int type, String foldername, boolean shouldCreateThumbnails) { super(fragment, type, foldername, shouldCreateThumbnails); } public MediaChooserManager(android.app.Fragment fragment, int type, String foldername, boolean shouldCreateThumbnails) { super(fragment, type, foldername, shouldCreateThumbnails); } /** * Set a listener, to get callbacks when the medias and the thumbnails are * processed * * @param listener */ public void setMediaChooserListener(MediaChooserListener listener) { this.listener = listener; } @Override public String choose() throws Exception { String path = null; if (listener == null) { throw new IllegalArgumentException( "MediaChooserListener cannot be null. Forgot to set MediaChooserListener???"); } switch (type) { case ChooserType.REQUEST_PICK_PICTURE_OR_VIDEO: chooseMedia(); break; default: throw new IllegalArgumentException( "This chooser type is unappropriate with MediaChooserManager: " + type); } return path; } private void chooseMedia() throws Exception { checkDirectory(); try { Intent intent = new Intent(Intent.ACTION_PICK); if (extras != null) { intent.putExtras(extras); } intent.setType("video/*, image/*"); startActivity(intent); } catch (ActivityNotFoundException e) { throw new Exception("Activity not found"); } } @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_OR_VIDEO: processImageFromGallery(data); 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 (BuildConfig.DEBUG) { Log.i(TAG, "File: " + filePathOriginal); } String path = filePathOriginal; MediaProcessorThread thread = null; if (!wasVideoSelected(data)) { thread = new ImageProcessorThread(path, foldername, shouldCreateThumbnails); ((ImageProcessorThread) thread).setListener(this); } else { thread = new VideoProcessorThread(path, foldername, shouldCreateThumbnails); ((VideoProcessorThread) thread).setListener(this); } thread.setContext(getContext()); thread.start(); } } else { onError("Image Uri was null!"); } } @Override public void onProcessedImage(ChosenImage image) { if (listener != null) { listener.onImageChosen(image); } } @Override public void onProcessedVideo(ChosenVideo video) { if (listener != null) { listener.onVideoChosen(video); } } @Override public void onError(String reason) { if (listener != null) { listener.onError(reason); } } }