/*
* Copyright 2012 Evernote Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.evernote.android.sample;
/**
* This sample shows how to select an image from the device gallery and save the attachment in Evernote
* <p/>
* class created by @tylersmithnet
*/
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Point;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import com.evernote.client.android.EvernoteUtil;
import com.evernote.client.android.OnClientCallback;
import com.evernote.client.conn.mobile.FileData;
import com.evernote.edam.type.Note;
import com.evernote.edam.type.Resource;
import com.evernote.edam.type.ResourceAttributes;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
public class ImagePicker extends ParentActivity {
/**
* *************************************************************************
* The following values and code are simply part of the demo application. *
* *************************************************************************
*/
private static final String LOGTAG = "ImagePicker";
// Activity result request codes
private static final int SELECT_IMAGE = 1;
// The path to and MIME type of the currently selected image from the gallery
private class ImageData {
public Bitmap imageBitmap;
public String filePath;
public String mimeType;
public String fileName;
}
//Instance of selected image
private ImageData mImageData;
//Views
private ImageView mImageView;
private Button mBtnSave;
private Button mBtnSelect;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.image_picker);
mBtnSelect = (Button) findViewById(R.id.select_button);
mBtnSave = (Button) findViewById(R.id.save_button);
mImageView = (ImageView) findViewById(R.id.image);
if (getLastNonConfigurationInstance() != null) {
mImageData = (ImageData) getLastNonConfigurationInstance();
mImageView.setImageBitmap(mImageData.imageBitmap);
}
}
@Override
protected void onResume() {
super.onResume();
updateSelectionUi();
}
@Override
@SuppressWarnings("deprecation")
public Object onRetainNonConfigurationInstance() {
return mImageData;
}
/**
* Called when the control returns from an activity that we launched.
*/
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
//Grab image data when picker returns result
case SELECT_IMAGE:
if (resultCode == Activity.RESULT_OK) {
new ImageSelector().execute(data);
}
break;
}
}
/**
* Update the UI based on Evernote authentication state.
*/
private void updateSelectionUi() {
if (mImageData != null && !TextUtils.isEmpty(mImageData.filePath)) {
mBtnSave.setEnabled(true);
} else {
mBtnSave.setEnabled(false);
}
}
/**
* Called when the user taps the "Select Image" button.
* <p/>
* Sends the user to the image gallery to choose an image to share.
*/
public void startSelectImage(View view) {
Intent intent = new Intent(Intent.ACTION_PICK,
MediaStore.Images.Media.INTERNAL_CONTENT_URI);
startActivityForResult(intent, SELECT_IMAGE);
}
/**
* Called when the user taps the "Save Image" button.
* <p/>
* Saves the currently selected image to the user's Evernote account using
* the Evernote web service API using an asynchronous method
* <p/>
* Does nothing if the Evernote API wasn't successfully initialized
* when the activity started.
*/
public void saveImage(View view) {
if (mEvernoteSession.isLoggedIn() && mImageData != null && mImageData.filePath != null) {
showDialog(DIALOG_PROGRESS);
String f = mImageData.filePath;
try {
// Hash the data in the image file. The hash is used to reference the
// file in the ENML note content.
InputStream in = new BufferedInputStream(new FileInputStream(f));
FileData data = new FileData(EvernoteUtil.hash(in), new File(f));
in.close();
// Create a new Resource
Resource resource = new Resource();
resource.setData(data);
resource.setMime(mImageData.mimeType);
ResourceAttributes attributes = new ResourceAttributes();
attributes.setFileName(mImageData.fileName);
resource.setAttributes(attributes);
// Create a new Note
Note note = new Note();
note.setTitle("Android test note");
note.addToResources(resource);
// Set the note's ENML content. Learn about ENML at
// http://dev.evernote.com/documentation/cloud/chapters/ENML.php
String content =
EvernoteUtil.NOTE_PREFIX +
"<p>This note was uploaded from Android. It contains an image.</p>" +
EvernoteUtil.createEnMediaTag(resource) +
EvernoteUtil.NOTE_SUFFIX;
note.setContent(content);
// Create the note on the server. The returned Note object
// will contain server-generated attributes such as the note's
// unique ID (GUID), the Resource's GUID, and the creation and update time.
mEvernoteSession.getClientFactory().createNoteStoreClient().createNote(note, new OnClientCallback<Note>() {
@Override
public void onSuccess(Note data) {
removeDialog(DIALOG_PROGRESS);
Toast.makeText(getApplicationContext(), R.string.msg_image_saved, Toast.LENGTH_LONG).show();
}
@Override
public void onException(Exception exception) {
Log.e(LOGTAG, "Error saving note", exception);
Toast.makeText(getApplicationContext(), R.string.error_saving_note, Toast.LENGTH_LONG).show();
removeDialog(DIALOG_PROGRESS);
}
});
} catch (Exception ex) {
Log.e(LOGTAG, "Error creating notestore", ex);
Toast.makeText(getApplicationContext(), R.string.error_creating_notestore, Toast.LENGTH_LONG).show();
removeDialog(DIALOG_PROGRESS);
}
}
}
/**
* Called when control returns from the image gallery picker.
* Loads the image that the user selected.
*/
private class ImageSelector extends AsyncTask<Intent, Void, ImageData> {
// using showDialog, could use Fragments instead
@SuppressWarnings("deprecation")
@Override
protected void onPreExecute() {
showDialog(DIALOG_PROGRESS);
}
/**
* The callback from the gallery contains a pointer into a table.
* Look up the appropriate record and pull out the information that we need,
* in this case, the path to the file on disk, the file name and the MIME type.
*
* @param intents
* @return
*/
// using Display.getWidth and getHeight on older SDKs
@SuppressWarnings("deprecation")
@Override
// suppress lint check on Display.getSize(Point)
@TargetApi(16)
protected ImageData doInBackground(Intent... intents) {
if (intents == null || intents.length == 0) {
return null;
}
Uri selectedImage = intents[0].getData();
String[] queryColumns = {
MediaStore.Images.Media._ID,
MediaStore.Images.Media.DATA,
MediaStore.Images.Media.MIME_TYPE,
MediaStore.Images.Media.DISPLAY_NAME};
Cursor cursor = null;
ImageData image = null;
try {
cursor = getContentResolver().query(selectedImage, queryColumns, null, null, null);
if (cursor.moveToFirst()) {
image = new ImageData();
image.filePath = cursor.getString(cursor.getColumnIndex(queryColumns[1]));
image.mimeType = cursor.getString(cursor.getColumnIndex(queryColumns[2]));
image.fileName = cursor.getString(cursor.getColumnIndex(queryColumns[3]));
// First decode with inJustDecodeBounds=true to check dimensions
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
Bitmap tempBitmap = BitmapFactory.decodeFile(image.filePath, options);
int dimen = 0;
int x = 0;
int y = 0;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
Point size = new Point();
getWindowManager().getDefaultDisplay().getSize(size);
x = size.x;
y = size.y;
} else {
x = getWindowManager().getDefaultDisplay().getWidth();
y = getWindowManager().getDefaultDisplay().getHeight();
}
dimen = x < y ? x : y;
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, dimen, dimen);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
tempBitmap = BitmapFactory.decodeFile(image.filePath, options);
image.imageBitmap = Bitmap.createScaledBitmap(tempBitmap, dimen, dimen, true);
tempBitmap.recycle();
}
} catch (Exception e) {
Log.e(LOGTAG, "Error retrieving image");
} finally {
if (cursor != null) {
cursor.close();
}
}
return image;
}
/**
* Calculates a sample size to be used when decoding a bitmap if you don't
* require (or don't have enough memory) to load the full size bitmap.
* <p/>
* <p>This function has been taken form Android's training materials,
* specifically the section about "Loading Large Bitmaps Efficiently".<p>
*
* @param options a BitmapFactory.Options object, obtained from decoding only
* the bitmap's bounds.
* @param reqWidth The required minimum width of the decoded bitmap.
* @param reqHeight The required minimum height of the decoded bitmap.
* @return the sample size needed to decode the bitmap to a size that meets
* the required width and height.
* @see <a href="http://developer.android.com/training/displaying-bitmaps/load-bitmap.html#load-bitmap">Load a Scaled Down Version into Memory</a>
*/
protected int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
// Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth) {
if (width > height) {
inSampleSize = Math.round((float) height / (float) reqHeight);
} else {
inSampleSize = Math.round((float) width / (float) reqWidth);
}
}
return inSampleSize;
}
/**
* Sets the image to the background and enables saving it to evernote
*
* @param image
*/
// using removeDialog, could use Fragments instead
@SuppressWarnings("deprecation")
@Override
protected void onPostExecute(ImageData image) {
removeDialog(DIALOG_PROGRESS);
if (image == null) {
Toast.makeText(getApplicationContext(), R.string.err_image_selected, Toast.LENGTH_SHORT).show();
return;
}
if (image.imageBitmap != null) {
mImageView.setImageBitmap(image.imageBitmap);
}
if (mEvernoteSession.isLoggedIn()) {
mBtnSave.setEnabled(true);
}
mImageData = image;
updateSelectionUi();
}
}
}