Category : authentication

Trying to use AES-GCM 256 to encrypt "Hello World" in Node.js in such a way that the encrypted string sent ota to an Android phone can be decrypted. The Node.js encryption code is: const KEY = new Buffer(‘1bc0d563329d29fc6236f099371e334feb9bbf3e91bba2adb4043feb870b6b21′); var iv = Buffer.from("0000000000000000",’base64’); var cipher = crypt.createCipheriv(‘aes-256-gcm’, Buffer.from(KEY, ‘utf-8’), iv); var ciph = cipher.update(Buffer.from("Hello World", ‘utf-8’), ..

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I creating a quiz app First activity has a google sign in activity and second activity has profile name and place Textfeilds. In Second Activity has a submit button. After authentication and filling name and place ,when clicking submit button, opens next activity (Third Activity) HomeActivity. If once a user signed in and profile builded ..

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fbBtn = (LoginButton) findViewById(R.id.login_facebook); callbackManager = CallbackManager.Factory.create(); LoginManager.getInstance().logOut(); fbBtn.setReadPermissions(Arrays.asList(EMAIL)); fbBtn.registerCallback(callbackManager, new FacebookCallback<LoginResult>() { @Override public void onError(@NonNull FacebookException e) { // Log.d("Log",ob); } @Override public void onSuccess(LoginResult loginResult) { // App code Log.d("Log", "Login Success"); } @Override public void onCancel() { // App code } }); [I tried a lot if device has installed Facebook ..

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I wanted to use android studio’s given Login Activity (File>New>Activity>Login Activity), but when I added the activity I got the error for ViewModelProvider. I tried looking for the solution but everything I found was mostly related to ViewModelProviders (with final "s", deprecated) or said to add certain dependencies to the build module, neither of which ..

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