facebook

app/build.gradle

@@ -71,4 +71,7 @@ dependencies {
     testImplementation 'androidx.test.ext:truth:' + rootProject.extTruthVersion
     testImplementation 'androidx.test.ext:junit:' + rootProject.extJUnitVersion
     testImplementation 'org.robolectric:robolectric:' + rootProject.robolectricVersion
+
+    implementation 'com.facebook.android:facebook-login:[5,6)'
+    implementation 'com.facebook.android:facebook-share:[5,6)'
 }

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="pl.edu.amu.wmi.socialaggregator">
 
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -43,6 +45,32 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <meta-data android:name="com.facebook.sdk.ApplicationId"
+            android:value="@string/facebook_app_id"/>
+
+        <activity android:name="com.facebook.FacebookActivity"
+            android:configChanges=
+                "keyboard|keyboardHidden|screenLayout|screenSize|orientation"
+            android:label="@string/app_name" />
+        <activity
+            android:name="com.facebook.CustomTabActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="@string/fb_login_protocol_scheme" />
+            </intent-filter>
+        </activity>
+
+        <provider android:authorities="com.facebook.app.FacebookContentProvider2437098899888167"
+            android:name="com.facebook.FacebookContentProvider"
+            android:exported="true"/>
+
     </application>
 
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+
 </manifest>

app/src/main/java/pl/edu/amu/wmi/socialaggregator/activity/AddSocialActivity.kt

@@ -8,7 +8,7 @@ import kotlinx.android.synthetic.main.activity_add_social.*
 import kotlinx.android.synthetic.main.content_add_social.*
 import pl.edu.amu.wmi.socialaggregator.R
 import pl.edu.amu.wmi.socialaggregator.utils.SocialPlatformsManager
-import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithImageRecycler
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithButtonRecycler
 
 class AddSocialActivity : AppCompatActivity() {
 
@@ -23,33 +23,33 @@ class AddSocialActivity : AppCompatActivity() {
         val loggedInSocials = SocialPlatformsManager.getLoggedIn(this)
         val recyclers = mutableListOf(availableSocialsRecyclerView, addSocialRecyclerView)
 
-        availableSocialsRecyclerView.apply {
+//        availableSocialsRecyclerView.apply {
-            layoutManager = LinearLayoutManager(this@AddSocialActivity)
+//            layoutManager = LinearLayoutManager(this@AddSocialActivity)
-            adapter = SocialWithImageRecycler(
+//            adapter = SocialWithButtonRecycler(
-                loggedInSocials,
+//                loggedInSocials,
-                R.mipmap.ic_opaque_remove
+//                R.mipmap.ic_opaque_remove
-            ) {
+//            ) {
-                it.logout(context)
+//                it.logout(context)
-                loggedInSocials.remove(it)
+//                loggedInSocials.remove(it)
-                notLoggedInSocials.add(it)
+//                notLoggedInSocials.add(it)
-                recyclers.forEach { it.adapter?.notifyDataSetChanged() }
+//                recyclers.forEach { it.adapter?.notifyDataSetChanged() }
-                Toast.makeText(context, "Logged out from ${it.getName()}!", Toast.LENGTH_SHORT).show()
+//                Toast.makeText(context, "Logged out from ${it.getName()}!", Toast.LENGTH_SHORT).show()
-            }
+//            }
-        }
+//        }
-
+//
-        addSocialRecyclerView.apply {
+//        addSocialRecyclerView.apply {
-            layoutManager = LinearLayoutManager(this@AddSocialActivity)
+//            layoutManager = LinearLayoutManager(this@AddSocialActivity)
-            adapter = SocialWithImageRecycler(
+//            adapter = SocialWithButtonRecycler(
-                notLoggedInSocials,
+//                notLoggedInSocials,
-                R.mipmap.ic_opaque_add
+//                R.mipmap.ic_opaque_add
-            ) {
+//            ) {
-                it.login(context)
+//                it.login(context)
-                notLoggedInSocials.remove(it)
+//                notLoggedInSocials.remove(it)
-                loggedInSocials.add(it)
+//                loggedInSocials.add(it)
-                recyclers.forEach { it.adapter?.notifyDataSetChanged() }
+//                recyclers.forEach { it.adapter?.notifyDataSetChanged() }
-                Toast.makeText(context, "Logged in to ${it.getName()}!", Toast.LENGTH_SHORT).show()
+//                Toast.makeText(context, "Logged in to ${it.getName()}!", Toast.LENGTH_SHORT).show()
-            }
+//            }
-        }
+//        }
 
     }
 

app/src/main/java/pl/edu/amu/wmi/socialaggregator/activity/MainActivity.kt

@@ -2,20 +2,31 @@ package pl.edu.amu.wmi.socialaggregator.activity
 
 import android.content.Intent
 import android.os.Bundle
+import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.facebook.CallbackManager
+import com.facebook.FacebookCallback
+import com.facebook.FacebookException
+import com.facebook.login.LoginResult
 import com.jakewharton.rxbinding2.view.RxView
 import io.reactivex.disposables.CompositeDisposable
 import kotlinx.android.synthetic.main.activity_main.*
 import pl.edu.amu.wmi.socialaggregator.R
 import pl.edu.amu.wmi.socialaggregator.utils.SocialPlatformsManager
 import pl.edu.amu.wmi.socialaggregator.viewholders.PostSummaryRecycler
-import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithImageRecycler
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithButtonRecycler
+import com.facebook.AccessToken
+import com.facebook.login.LoginManager
+import com.facebook.share.widget.ShareDialog
+
 
 class MainActivity : AppCompatActivity() {
 
     private val subs = CompositeDisposable()
 
+    private val TAG = MainActivity::class.java.simpleName
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
@@ -26,18 +37,42 @@ class MainActivity : AppCompatActivity() {
                     val intent = Intent(this, NewPostActivity::class.java)
                     startActivity(intent)
                 },
-            RxView.clicks(connectedSocialsButton)
+//            RxView.clicks(connectedSocialsButton)
-                .subscribe {
+//                .subscribe {
-                    val intent = Intent(this, AddSocialActivity::class.java)
+//                    val accessToken = AccessToken.getCurrentAccessToken()
-                    startActivity(intent)
+//                    val isLoggedIn = accessToken != null && !accessToken.isExpired
-                },
+//
+//                    Log.i(TAG, isLoggedIn.toString())
+//
+//                    LoginManager.getInstance().logInWithReadPermissions(this, listOf("public_profile"))
+//
+////                    val request = GraphRequest.newMeRequest(
+////                        accessToken
+////                    ) { `object`, response ->
+////                        Log.v("LoginActivity", response.toString())
+////
+////                        // Application code
+////                    }
+////                    val parameters = Bundle()
+////                    parameters.putString("fields", "id,name,email,gender,birthday")
+////                    request.parameters = parameters
+////                    request.executeAsync()
+//                    ShareDialog(this).show()
+////                    val intent = Intent(this, AddSocialActivity::class.java)
+////                    startActivity(intent)
+//                },
             RxView.clicks(previousPostsButton)
                 .subscribe {
                     val intent = Intent(this, PostHistoryActivity::class.java)
                     startActivity(intent)
                 }
         )
+    }
 
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        SocialPlatformsManager.getAll()
+            .forEach { it.onActivityResult(requestCode, resultCode, data)}
+        super.onActivityResult(requestCode, resultCode, data)
     }
 
     override fun onResume() {
@@ -45,7 +80,8 @@ class MainActivity : AppCompatActivity() {
 
         connectedSocialsRecyclerView.apply {
             layoutManager = LinearLayoutManager(this@MainActivity)
-            adapter = SocialWithImageRecycler(SocialPlatformsManager.getLoggedIn(this@MainActivity)) {}
+            adapter =
+                SocialWithButtonRecycler(SocialPlatformsManager.getAll(), this@MainActivity)
         }
 
         previousPostsRecyclerView.apply {

app/src/main/java/pl/edu/amu/wmi/socialaggregator/activity/NewPostActivity.kt

@@ -1,20 +1,31 @@
 package pl.edu.amu.wmi.socialaggregator.activity
 
+import android.Manifest
 import android.annotation.SuppressLint
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.graphics.BitmapFactory
 import android.os.Bundle
+import android.provider.MediaStore
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.android.material.snackbar.Snackbar
 import com.jakewharton.rxbinding2.view.RxView
+import io.reactivex.Observable
 import kotlinx.android.synthetic.main.activity_new_post.*
 import kotlinx.android.synthetic.main.content_new_post.*
 import pl.edu.amu.wmi.socialaggregator.R
 import pl.edu.amu.wmi.socialaggregator.utils.SocialPlatformsManager
 import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithToggleRecycler
+import java.util.*
 
 class NewPostActivity : AppCompatActivity() {
 
+    var file: String? = null
+
     @SuppressLint("CheckResult")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -35,17 +46,79 @@ class NewPostActivity : AppCompatActivity() {
             adapter = availablesRecycler
         }
 
+        Observable.fromIterable(availablesRecycler.chips.entries)
+            .filter { file != null }
+            .filter { (_, chip) -> chip.isChecked }
+            .flatMap { (social, _) ->
+                val bitmap = BitmapFactory.decodeFile(file!!)
+//                Toast.makeText(this, "Posted to ${social.getName()}!", Toast.LENGTH_LONG)
+//                    .show()
+                social.addPost(this, postText.text?.toString() ?: "test", listOf(bitmap))
+            }
+            .take(availablesRecycler.chips.entries.count { (_, chip) -> chip.isChecked }.toLong())
+            .subscribe {
+                finish()
+            }
+
         RxView.clicks(publishPost)
             .subscribe {
-                availablesRecycler.chips.entries.forEach { (social, chip) ->
+                availablesRecycler.chips.entries
-                    if (chip.isChecked) {
+                    .filter { file != null }
-                        social.addPost(this, postText.text?.toString() ?: "test", emptyList())
+                    .filter { (_, chip) -> chip.isChecked }
+                    .forEach { (social, _) ->
+                        val bitmap = BitmapFactory.decodeFile(file!!)
+                        social.addPost(this, postText.text?.toString() ?: "test", listOf(bitmap))
                         Toast.makeText(this, "Posted to ${social.getName()}!", Toast.LENGTH_LONG)
                             .show()
                     }
-                }
                 finish()
             }
+        RxView.clicks(imageView2)
+            .subscribe {
+                val getIntent = Intent(Intent.ACTION_GET_CONTENT)
+                getIntent.type = "image/*"
+
+                val pickIntent = Intent(
+                    Intent.ACTION_PICK,
+                    MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+                )
+                pickIntent.type = "image/*"
+
+                val chooserIntent = Intent.createChooser(getIntent, "Select Image")
+                chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, arrayOf(pickIntent))
+
+                startActivityForResult(chooserIntent, PICK_IMAGE_REQUEST_CODE)
+            }
+
+
+        if (canAccessGallery()) {
+            ActivityCompat.requestPermissions(
+                this,
+                arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE), 0
+            )
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+
+        if (requestCode == PICK_IMAGE_REQUEST_CODE) {
+            data?.data?.let { uri ->
+                uri.pathSegments?.last()?.let {
+                    file = it
+                }
+                imageView2.setImageURI(uri)
+            }
+        }
+    }
+
+
+    private fun canAccessGallery() =
+        (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
+                != PackageManager.PERMISSION_GRANTED)
+
+    companion object {
+        const val PICK_IMAGE_REQUEST_CODE = 69
     }
 
 }

app/src/main/java/pl/edu/amu/wmi/socialaggregator/socialplatforms/Facebook.kt

@@ -0,0 +1,145 @@
+package pl.edu.amu.wmi.socialaggregator.socialplatforms
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.constraintlayout.widget.ConstraintSet
+import com.facebook.CallbackManager
+import com.facebook.FacebookCallback
+import com.facebook.FacebookException
+import com.facebook.login.LoginResult
+import com.facebook.login.widget.LoginButton
+import pl.edu.amu.wmi.socialaggregator.utils.Utils
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithButtonRecycler
+import com.facebook.AccessToken
+import com.facebook.login.LoginManager
+import com.facebook.share.Sharer
+import com.facebook.share.model.ShareMediaContent
+import com.facebook.share.model.SharePhoto
+import com.facebook.share.widget.ShareDialog
+import io.reactivex.Single
+import io.reactivex.subjects.PublishSubject
+import pl.edu.amu.wmi.socialaggregator.R
+import java.lang.Exception
+
+
+class Facebook : SocialPlatform {
+
+    private var callbackManager: CallbackManager = CallbackManager.Factory.create()
+
+    override fun getName(): String = "Facebook"
+
+    override fun getLogo(): Int = R.mipmap.ic_logo_facebook
+
+    override fun login(context: Context) {
+
+    }
+
+    override fun logout(context: Context) {
+
+    }
+
+    override fun isLoggedIn(context: Context): Boolean {
+        val accessToken = AccessToken.getCurrentAccessToken()
+        return accessToken != null && !accessToken.isExpired
+    }
+
+    override fun addPost(context: Context, text: String, images: List<Bitmap>) : PublishSubject<Any> {
+        val content = ShareMediaContent.Builder().apply {
+            images.forEach {addMedium(
+                SharePhoto.Builder().setBitmap(it).build()
+            )}
+        }.build()
+
+        val publishSubject = PublishSubject.create<Any>()
+
+        val shareDialog = ShareDialog(context as Activity)
+        shareDialog.registerCallback(callbackManager, object : FacebookCallback<Sharer.Result?> {
+            override fun onSuccess(result: Sharer.Result?) {
+                publishSubject.onNext(Any())
+            }
+
+            override fun onCancel() {
+                publishSubject.onError(Exception("Cancelled"))
+            }
+
+            override fun onError(error: FacebookException?) {
+                publishSubject.onError(Exception(error?.localizedMessage))
+            }
+        })
+        shareDialog.show(content, ShareDialog.Mode.AUTOMATIC)
+
+        return publishSubject
+    }
+
+    override fun getPosts(context: Context): List<Post> {
+        return emptyList()
+    }
+
+    override fun handleButtonView(context: Context): (SocialWithButtonRecycler.ViewHolder) -> Unit =
+        { viewHolder ->
+            viewHolder.textView.text = this.getName()
+
+            val constraintSet = ConstraintSet()
+            val button = LoginButton(context)
+            button.id = View.generateViewId()
+
+            val parent = viewHolder.image.parent as ViewGroup
+            parent.removeView(viewHolder.image)
+            parent.addView(button)
+
+            constraintSet.clone(parent as ConstraintLayout)
+            constraintSet.connect(button.id, ConstraintSet.TOP,
+                parent.id, ConstraintSet.TOP, 8.toPx(context))
+            constraintSet.connect(button.id, ConstraintSet.END,
+                parent.id, ConstraintSet.END)
+            constraintSet.connect(button.id, ConstraintSet.BOTTOM,
+                parent.id, ConstraintSet.BOTTOM, 8.toPx(context))
+
+            constraintSet.connect(viewHolder.textView.id, ConstraintSet.BOTTOM,
+                button.id, ConstraintSet.BOTTOM)
+            constraintSet.connect(viewHolder.textView.id, ConstraintSet.END,
+                button.id, ConstraintSet.START, 8.toPx(context))
+            constraintSet.connect(viewHolder.textView.id, ConstraintSet.START,
+                parent.id, ConstraintSet.START)
+            constraintSet.connect(viewHolder.textView.id, ConstraintSet.TOP,
+                button.id, ConstraintSet.TOP)
+            constraintSet.setHorizontalBias(viewHolder.textView.id, 0.toFloat())
+            constraintSet.applyTo(parent)
+
+            button.setPermissions(listOf("email"))
+            val callback = object : FacebookCallback<LoginResult> {
+                override fun onSuccess(result: LoginResult?) {
+                    Log.i(getName(), "SUCCESS!")
+                    LoginManager.getInstance().logInWithReadPermissions(context as Activity,
+                        listOf("email"))
+                }
+
+                override fun onCancel() {
+                    Log.i(getName(), "CANCEL!")
+                }
+
+                override fun onError(error: FacebookException?) {
+                    Log.i(getName(), "FAIL!")
+                }
+
+            }
+            button.registerCallback(callbackManager, callback)
+            LoginManager.getInstance().registerCallback(callbackManager, callback)
+        }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        callbackManager.onActivityResult(requestCode, resultCode, data)
+    }
+
+    private fun Int.toPx(context: Context): Int {
+        return Utils.convertDpToPixel(this.toFloat(), context).toInt()
+    }
+}
+

app/src/main/java/pl/edu/amu/wmi/socialaggregator/socialplatforms/FacebookMock.kt

@@ -10,13 +10,13 @@ import java.io.File
 import java.text.DateFormat
 import java.util.*
 
-class FacebookMock : SocialPlatform {
+abstract class FacebookMock : SocialPlatform {
 
     companion object {
         val TAG = FacebookMock::class.java.canonicalName
     }
 
-    override fun getName(): String = "Facebook"
+    override fun getName(): String = "Facebook Mock"
 
     override fun getLogo(): Int = R.mipmap.ic_logo_facebook
 

app/src/main/java/pl/edu/amu/wmi/socialaggregator/socialplatforms/SocialPlatform.kt

@@ -1,7 +1,10 @@
 package pl.edu.amu.wmi.socialaggregator.socialplatforms
 
 import android.content.Context
+import android.content.Intent
 import android.graphics.Bitmap
+import io.reactivex.subjects.PublishSubject
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithButtonRecycler
 
 interface SocialPlatform {
 
@@ -9,7 +12,9 @@ interface SocialPlatform {
     fun login(context: Context)
     fun logout(context: Context)
     fun isLoggedIn(context: Context): Boolean
-    fun addPost(context: Context, text: String, images: List<Bitmap>)
+    fun addPost(context: Context, text: String, images: List<Bitmap>): PublishSubject<Any>
     fun getPosts(context: Context): List<Post>
     fun getLogo(): Int
+    fun handleButtonView(context: Context): (SocialWithButtonRecycler.ViewHolder) -> Unit = {}
+    fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {}
 }

app/src/main/java/pl/edu/amu/wmi/socialaggregator/utils/SocialPlatformsManager.kt

@@ -1,14 +1,18 @@
 package pl.edu.amu.wmi.socialaggregator.utils
 
 import android.content.Context
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.Facebook
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.FacebookMock
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
 
 object SocialPlatformsManager {
     private val IMPLEMENTED_PLATFORMS = listOf<SocialPlatform>(
-        FacebookMock()
+//        FacebookMock()
+        Facebook()
     )
 
+    fun getAll() = IMPLEMENTED_PLATFORMS
+
     fun getLoggedIn(context: Context) =
         IMPLEMENTED_PLATFORMS.filter { it.isLoggedIn(context) }.toMutableList()
 

app/src/main/java/pl/edu/amu/wmi/socialaggregator/utils/Utils.kt

@@ -0,0 +1,12 @@
+package pl.edu.amu.wmi.socialaggregator.utils
+
+import android.content.Context
+import android.util.DisplayMetrics
+
+
+object Utils {
+
+    fun convertDpToPixel(dp: Float, context: Context): Float {
+        return dp * (context.resources.displayMetrics.densityDpi.toFloat() / DisplayMetrics.DENSITY_DEFAULT)
+    }
+}

app/src/main/java/pl/edu/amu/wmi/socialaggregator/viewholders/SocialWithButtonRecycler.kt

@@ -1,5 +1,6 @@
 package pl.edu.amu.wmi.socialaggregator.viewholders
 
+import android.content.Context
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import android.widget.ImageView
@@ -11,11 +12,10 @@ import io.reactivex.disposables.Disposable
 import pl.edu.amu.wmi.socialaggregator.R
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
 
-class SocialWithImageRecycler(
+class SocialWithButtonRecycler(
     val availableSocials: List<SocialPlatform>,
-    private val imageResource: Int? = null,
+    val context: Context
-    private val action: (SocialPlatform) -> Unit
+) : RecyclerView.Adapter<SocialWithButtonRecycler.ViewHolder>() {
-) : RecyclerView.Adapter<SocialWithImageRecycler.ViewHolder>() {
 
     private val disposables = HashMap<SocialPlatform, Disposable>()
 
@@ -34,18 +34,18 @@ class SocialWithImageRecycler(
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val social = availableSocials[position]
+        availableSocials[position].handleButtonView(context)(holder)
-        holder.text.text = social.getName()
+//        holder.textView.text = social.getName()
-        holder.image.setImageResource(imageResource ?: social.getLogo())
+//        holder.image.setImageResource(imageResource ?: social.getLogo())
-
+//
-        disposables[social] = RxView.clicks(holder.image)
+//        disposables[social] = RxView.clicks(holder.image)
-            .map { social }
+//            .map { social }
-            .subscribe(action)
+//            .subscribe(action)
     }
 
     class ViewHolder(
         root: ConstraintLayout,
-        val text: TextView,
+        val textView: TextView,
         val image: ImageView
     ) : RecyclerView.ViewHolder(root)
 

app/src/main/res/layout/activity_main.xml

@@ -22,14 +22,14 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginTop="8dp"
-        android:text="Connected Socials"
+        android:text="Available Socials"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/imageView" />
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/connectedSocialsRecyclerView"
         android:layout_width="0dp"
-        android:layout_height="100dp"
+        android:layout_height="200dp"
         android:layout_marginStart="16dp"
         android:layout_marginTop="8dp"
         android:layout_marginEnd="16dp"
@@ -41,17 +41,6 @@
 
     </androidx.recyclerview.widget.RecyclerView>
 
-    <Button
-        android:id="@+id/connectedSocialsButton"
-        style="@style/Widget.AppCompat.Button.Colored"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="8dp"
-        android:layout_marginEnd="16dp"
-        android:text="Connect new"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/connectedSocialsRecyclerView" />
-
     <View
         android:id="@+id/divider"
         android:layout_width="0dp"
@@ -63,7 +52,7 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="1.0"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/connectedSocialsButton" />
+        app:layout_constraintTop_toBottomOf="@+id/connectedSocialsRecyclerView" />
 
     <TextView
         android:id="@+id/textView2"
@@ -134,6 +123,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/previousPostsButton"
+        app:layout_constraintVertical_bias="1.0"
         app:srcCompat="@mipmap/ic_opaque_add" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/social_platform_image.xml

@@ -27,5 +27,5 @@
         app:layout_constraintDimensionRatio="1:1"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        tools:srcCompat="@mipmap/ic_launcher_round" />
+        tools:srcCompat="@mipmap/ic_logo_facebook" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -3,4 +3,7 @@
     <string name="title_activity_new_post">NewPostActivity</string>
     <string name="title_activity_add_social">AddSocialActivity</string>
     <string name="title_activity_post_history">PostHistoryActivity</string>
+
+    <string name="facebook_app_id">2437098899888167</string>
+    <string name="fb_login_protocol_scheme">fb2437098899888167</string>
 </resources>