This is simple process to generate Hash key and we already create lots of time but again we forget that how to generate Hash key ? Even i am stupid one of them and again throw same query in Google. But Now i remember whole the process to generate hash key. When you start to create new Facebook application for android they ask Hash Key to validate your application.

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Generate Hash Key Android Application Facebook Android
Generate Hash Key Android Application Facebook Lite

From Android to LinkedIn App or Android to Facebook App? Whichever it may be you will need an android hash key facebook and package name to login using social elements. I hope you all are familiar with android studio or eclipse and required java and SDK required to run an android application. Key hash authenticates the information between your application and Facebook server. Adding key hash in Facebook developers console is mandatory and if you want to use the Facebook Login in your android mobile application then you have to add the key hash. In this tutorial we would Generate Release key hash for Facebook Login in Android devices. I am trying to build native android app. That access the facebook. However I have create the app key, but it is not working. Could you please explain me step by step how to generate an facebook app key. I appropriate your help. Regards, Nitheen.

Most of the time user confused to generate Hask key and Key Store , They confused that from where to start ? It mean which path should be use to generate key?

How to Generate android (Facebook ) Hash Key ?

Step 1 :Download OpenSSL for Windows

Step 2 : Open the drive where you have install JDK. ,(in my case that is C:)

Step 3 : Extract your Open SSL zip here in root directory (in my case C:Program Files)

Step 4 : Copy : JAVA > JDK 1.7.0_25 > bin

Step 5 : Open Command prompt , Start > Run > CMD

Step 6 : Now CMD will show User’s location (in my case C:Userschintan >_)

Step 7 : Using Step 4 paste that copied path here and enter ,

So it looks like this C:Userschintan > cd C:Program FilesJavajdk1.7.0_25bin

Enter , so that will switch to new location. So now you should be here C:Program FilesJavajdk1.7.0_25bin >_

Step 8 : Now start from here ,

8.1 keytool -export -alias myAlias (set alias name any)

8.2 C:Userschintan.androiddebug.keystore,(Get your Debug key store path and append after alias )

8.3 C:openssl-0.9.8k_WIN32binopenssl sha1 -binary(Get your openssl path and append after keystore path separate with '|') 8.3 C:openssl-0.9.8k_WIN32binopenssl enc -a -e (append with '|')

So , whole URL should looks like ,

Step 9 : Enter if you are ready to get Hash Key 🙂

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I have spent some time to play around with Facebook and Weibo SDK for Android and create an app for photo-sharing to Facebook and Weibo with in-app log in. Here are the steps and tips. The source code is available in my Github Repo. Before it can be built and run, some steps need to be done first:

Cubase 5.1 2 minimal 32 26 64 bit installer. For Facebook (detail in section 2)

1. Download Facebook SDK and add the correct dependency path

2. Generate and filled in the key hash in the app development page

3. Fill in your own app id in res/values/strings.xml

For Weibo (details in section 3)

1. Add the weibo lib (.jar) file in libs.

2. Add app key in res/values/strings.xml

3. Add the test user in the app management if the user is not the developer

1. Create an app with simple UI

1.1 Main Activity Layout

The UI is minimum. Take notes that the uri (local path) of the image needs to be passed to the two new activities which are triggered by the “Facebook” and Weibo” buttons. Since the screen sizes differ for phones, some photo might be too large to be displayed, you may want to resize it before display (not done in the sample code).

Sample codes for starting activity with parameters:

Generate Hash Key Android Application Facebook Android

The main UI:

1.2 Dialog layout for Log-in

The Facebook Log-in button is default, and similar button for weibo log-in is drawn by myself. When the user logged in, the profile image is displayed for the confirmation of the user id.

2. Facebook Log-in

Here is a must-go-through tutorial for Facebook integration in Android app. The main points summarized below

2.1 Add dependency

If the Facebook lib conflict with the project, a error will be shown. Just delete the android-support-v4.jar file in libs folder.

2.2 Declare Activities in the Manifest

Delcare not only the self-defined activity from which the Facebook log-in is called, but also the default Facebook Log-in activity

Generate hash key android application facebook lite

2.3 Generate Key Hash

The tutorial has talked about it carefully. It is an IMPORTANT step, I stuck in the development for a long time because I didn’t realize I should do this first! Use the keytool to generate the key hash and filled in at the development page app settings accordingly.

Generate hash key android application facebook messenger

2.4 Add the app_id to the project

Add the app_id provided by Facebook in the project /res/values/strings.xml

If all the above have been carefully done, the Facebook Log-in should work and can share the photo within the app to Facebook now.

3. Weibo Log-in

3.1 Add the Weibo lib in the project

Generate Hash Key Android Application Facebook Lite

The weibo.sdk.android.sso.jar file should be included in the download zip file from the web. It should be put inside the libs folder. Also a class is