evernote-sdk-android

by evernote

Evernote SDK for Android

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Evernote SDK for Android version 2.0.0-RC4

Evernote API version 1.25

Overview

This SDK wraps the Evernote Cloud API and provides OAuth authentication functionality. The SDK is provided as an Android Library project that can be included in your application with Gradle.

Prerequisites

In order to use the code in this SDK, you need to obtain an API key from https://dev.evernote.com/doc/. You'll also find full API documentation on that page.

In order to run the demo code, you need a user account on the sandbox service where you will do your development. Sign up for an account at https://sandbox.evernote.com/Registration.action

The instructions below assume you have the latest Android SDK.

Download

Add the library as a dependency in your build.gradle file.

dependencies {
    compile 'com.evernote:android-sdk:2.0.0-RC4'
}
(Optional) Using a snapshot build for early access previews

Add Sonatype's snapshot repository in your build script.

groovy
maven {
    url "https://oss.sonatype.org/content/repositories/snapshots"
}

Add the snapshot depdendency.

groovy
dependencies {
    compile 'com.evernote:android-sdk:2.0.0-SNAPSHOT'
}

Demo App

The demo application 'Evernote SDK Demo' demonstrates how to use the Evernote SDK for Android to authentication to the Evernote service using OAuth, then access the user's Evernote account. The demo code provides multiple activities that show notebook listing, note creation, and resource creation in two scenarios: A plain text note creator and an image saver.

Running the demo app from Android Studio

To build and run the demo project from Android Studio:

  1. Open Android Studio
  2. Choose Import Project (Eclipse ADT, Gradle, etc.)
  3. Select the SDK root directory (the directory containing this README) and click OK
  4. Add your Evernote API consumer key and secret (see below)
Adding Evernote API consumer key and secret

You have two different options to add your consumer key and secret.

gradle.properties file (preferred)
  1. Open the folder
    ~/.gradle
    in your user's home directory.
  2. Open or create a file called
    gradle.properties
  3. Add a line
    EVERNOTE_CONSUMER_KEY=Your Consumer Key
  4. Add a line
    EVERNOTE_CONSUMER_SECRET=Your Consumer Secret
In code
  1. Open the class
    com.evernote.android.demo.DemoApp.java
  2. At the top of
    DemoApp.java
    , fill in your Evernote API consumer key and secret.

Usage SDK

Modify your
AndroidManifest.xml

The SDK's OAuth functionality is implemented as an Android Activity that must be declared in your app's

AndroidManifest.xml
.

Starting with Android Gradle plugin version 1.0.0 the necessary activities are merged in your app's

AndroidManifest.xml
file and you don't need to do anything. Otherwise simply copy and paste the following snippet into your
AndroidManifest.xml
within the application section:

Set up an
EvernoteSession

Define your app credentials (key, secret, and host). See http://dev.evernote.com/documentation/cloud/

private static final String CONSUMER_KEY = "Your consumer key";
private static final String CONSUMER_SECRET = "Your consumer secret";
private static final EvernoteSession.EvernoteService EVERNOTE_SERVICE = EvernoteSession.EvernoteService.SANDBOX;

When your app starts, initialize the EvernoteSession singleton that has all of the information that is needed to authenticate to Evernote. The EvernoteSession instance of saved statically and does not need to be passed between activities. The better option is to build the instance in your onCreate() of the Application object or your parent Activity object.

mEvernoteSession = new EvernoteSession.Builder(this)
    .setEvernoteService(EVERNOTE_SERVICE)
    .setSupportAppLinkedNotebooks(SUPPORT_APP_LINKED_NOTEBOOKS)
    .build(consumerKey, consumerSecret)
    .asSingleton();

Give the user a way to initiate authentication

In our demo app, we have a "Login" button that initiates the authentication process. You might choose to do something similar, or you might simply initiate authentication the first time that the user tries to access Evernote-related functionality.

The recommended approach is to use

FragmentActivity
s. Then the authentication process opens a dialog and no extra
Activity
. But normal
Activity
s are supported as well.
mEvernoteSession.authenticate(this);

Evernote and Yinxiang Biji Service Bootstrapping

The Activity that completes the OAuth authentication automatically determines if the User is on the Evernote service or the Yinxiang service and configures the end points automatically.

If you want to test if bootstrapping works within your app, you can either change the device's language to Chinese or you can set a specific Locale object in the session builder, e.g.

new EvernoteSession.Builder(this).setLocale(Locale.SIMPLIFIED_CHINESE)
. If the SDK can't decide which server to use, then the user has the option to change the Evernote service while authenticating.

Complete authentication

If you use a

FragmentActivity
, you should implement the
EvernoteLoginFragment.ResultCallback
interface.
public class MyActivity extends Activity implements EvernoteLoginFragment.ResultCallback {

// ...

@Override
public void onLoginFinished(boolean successful) {
    // handle result
}

}

If you use a normal

Activity
, you should override
onActivityResult
.
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
        case EvernoteSession.REQUEST_CODE_LOGIN:
            if (resultCode == Activity.RESULT_OK) {
                // handle success
            } else {
                // handle failure
            }        
            break;

    default:
        super.onActivityResult(requestCode, resultCode, data);
        break;
}

}

Snippets

Calling

EvernoteSession.getEvernoteClientFactory()
will give you access to async wrappers around
NoteStore.Client
or
UserStore.Client
. Browse the API JavaDocs at http://dev.evernote.com/documentation/reference/javadoc/

The

EvernoteClientFactory
also creates multiple helper classes, e.g.
EvernoteHtmlHelper
to download a note as HTML.

Create an

EvernoteNoteStoreClient
to access primary methods for personal note data
java
EvernoteSession.getInstance().getEvernoteClientFactory().getNoteStoreClient();

Create an

EvernoteUserStoreClient
to access User related methods
java
EvernoteSession.getInstance().getEvernoteClientFactory().getUserStoreClient();

Create an

EvernoteBusinessNotebookHelper
to access Business Notebooks
java
EvernoteSession.getInstance().getEvernoteClientFactory().getBusinessNotebookHelper();

Create an

EvernoteLinkedNotebookHelper
to access shared notebooks
java
EvernoteSession.getInstance().getEvernoteClientFactory().getLinkedNotebookHelper(linkedNotebook);
Getting list of notebooks asynchronously
if (!EvernoteSession.getInstance().isLoggedIn()) {
    return;
}

EvernoteNoteStoreClient noteStoreClient = EvernoteSession.getInstance().getEvernoteClientFactory().getNoteStoreClient(); noteStoreClient.listNotebooksAsync(new EvernoteCallback>() { @Override public void onSuccess(List result) { List namesList = new ArrayList<>(result.size()); for (Notebook notebook : result) { namesList.add(notebook.getName()); } String notebookNames = TextUtils.join(", ", namesList); Toast.makeText(getApplicationContext(), notebookNames + " notebooks have been retrieved", Toast.LENGTH_LONG).show(); }

@Override
public void onException(Exception exception) {
    Log.e(LOGTAG, "Error retrieving notebooks", exception);
}

});

Creating a note asynchronously
if (!EvernoteSession.getInstance().isLoggedIn()) {
    return;
}

EvernoteNoteStoreClient noteStoreClient = EvernoteSession.getInstance().getEvernoteClientFactory().getNoteStoreClient();

Note note = new Note(); note.setTitle("My title"); note.setContent(EvernoteUtil.NOTE_PREFIX + "My content" + EvernoteUtil.NOTE_SUFFIX);

noteStoreClient.createNoteAsync(note, new EvernoteCallback() { @Override public void onSuccess(Note result) { Toast.makeText(getApplicationContext(), result.getTitle() + " has been created", Toast.LENGTH_LONG).show(); }

@Override
public void onException(Exception exception) {
    Log.e(LOGTAG, "Error creating note", exception);
}

});

Using the
EvernoteBusinessNotebookHelper
to Access Evernote Business data
  1. Check if user is member of a business
  2. Create
    EvernoteBusinessNotebookHelper
  3. Call synchronous methods from a background thread or call async methods from UI thread

This note store is not long lived, the Business authentication token expires frequently and is refreshed if needed in the

getBusinessNotebookHelper()
method.

Example using the synchronous business methods inside a background thread to create a note in a business account

new Thread() {
    @Override
    public void run() {
        try {
            if (!EvernoteSession.getInstance().getEvernoteClientFactory().getUserStoreClient().isBusinessUser()) {
                Log.d(LOGTAG, "Not a business User");
                return;
            }

        EvernoteBusinessNotebookHelper businessNotebookHelper = EvernoteSession.getInstance().getEvernoteClientFactory().getBusinessNotebookHelper();
        List<linkednotebook> businessNotebooks = businessNotebookHelper.listBusinessNotebooks(EvernoteSession.getInstance());
        if (businessNotebooks.isEmpty()) {
            Log.d(LOGTAG, "No business notebooks found");
        }

        LinkedNotebook linkedNotebook = businessNotebooks.get(0);

        Note note = new Note();
        note.setTitle("My title");
        note.setContent(EvernoteUtil.NOTE_PREFIX + "My content" + EvernoteUtil.NOTE_SUFFIX);

        EvernoteLinkedNotebookHelper linkedNotebookHelper = EvernoteSession.getInstance().getEvernoteClientFactory().getLinkedNotebookHelper(linkedNotebook);
        final Note createdNote = linkedNotebookHelper.createNoteInLinkedNotebook(note);

        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                Toast.makeText(getApplicationContext(), createdNote.getTitle() + " has been created.", Toast.LENGTH_LONG).show();
            }
        });

    } catch (TException | EDAMUserException | EDAMSystemException | EDAMNotFoundException e) {
        e.printStackTrace();
    }
}

}.start();

License

Copyright (c) 2007-2015 by Evernote Corporation, All rights reserved.

Use of the source code and binary libraries included in this package is permitted under the following terms:

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 AUTHOR ``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 AUTHOR 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.

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