instagram

app/build.gradle

@@ -76,4 +76,9 @@ dependencies {
     implementation 'com.facebook.android:facebook-share:[5,6)'
 
     implementation 'com.squareup.picasso:picasso:2.5.2'
+
+    implementation([
+            'com.snapchat.kit.sdk:creative:1.1.4',
+            'com.snapchat.kit.sdk:core:1.1.4'
+    ])
 }

app/src/main/AndroidManifest.xml

@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="pl.edu.amu.wmi.socialaggregator">
 
+    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <application
@@ -68,6 +69,24 @@
             android:name="com.facebook.FacebookContentProvider"
             android:exported="true"/>
 
+
+        <meta-data android:name="com.snapchat.kit.sdk.clientId" android:value="240836fb-b762-4be8-a42f-5472a22f2114" />
+
+<!--        <meta-data android:name="com.snapchat.kit.sdk.clientId" android:value="your app’s client id" />-->
+<!--        <meta-data android:name="com.snapchat.kit.sdk.redirectUrl" android:value="the url that will handle login completion" />-->
+<!--        <meta-data android:name="com.snapchat.kit.sdk.scopes" android:resource="@array/snap_connect_scopes" />-->
+
+        <provider
+            android:authorities="${applicationId}.fileprovider,pl.edu.amu.wmi.socialaggregator.activity.NewPostActivity"
+            android:name="androidx.core.content.FileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths"
+                />
+        </provider>
+
     </application>
 
     <uses-permission android:name="android.permission.INTERNET"/>

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

@@ -2,24 +2,16 @@ 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.Observable
 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.SocialWithButtonRecycler
-import com.facebook.AccessToken
-import com.facebook.login.LoginManager
-import com.facebook.share.widget.ShareDialog
-import io.reactivex.Observable
 
 
 class MainActivity : AppCompatActivity() {
@@ -38,30 +30,6 @@ class MainActivity : AppCompatActivity() {
                     val intent = Intent(this, NewPostActivity::class.java)
                     startActivity(intent)
                 },
-//            RxView.clicks(connectedSocialsButton)
-//                .subscribe {
-//                    val accessToken = AccessToken.getCurrentAccessToken()
-//                    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)
@@ -72,7 +40,7 @@ class MainActivity : AppCompatActivity() {
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         SocialPlatformsManager.getAll()
-            .forEach { it.onActivityResult(requestCode, resultCode, data)}
+            .forEach { it.onActivityResult(requestCode, resultCode, data) }
         super.onActivityResult(requestCode, resultCode, data)
     }
 
@@ -88,12 +56,13 @@ class MainActivity : AppCompatActivity() {
         previousPostsRecyclerView.apply {
             layoutManager = LinearLayoutManager(this@MainActivity)
             adapter = PostSummaryRecycler(
-                Observable.fromIterable(SocialPlatformsManager.getLoggedIn(this@MainActivity))
+                Observable.merge(SocialPlatformsManager.getLoggedIn(this@MainActivity)
-                .flatMap { social ->
+                    .map { social ->
-                    return@flatMap social.getPosts(this@MainActivity)
+                        social.getPosts(this@MainActivity)
-                    .map { social to it }
+                            .map { social to it }
-                        .toObservable()
+                            .toObservable()
-                })
+                    })
+            )
         }
     }
 

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

@@ -2,12 +2,13 @@ package pl.edu.amu.wmi.socialaggregator.activity
 
 import android.Manifest
 import android.annotation.SuppressLint
+import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.graphics.BitmapFactory
+import android.net.Uri
 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
@@ -15,16 +16,25 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.android.material.snackbar.Snackbar
 import com.jakewharton.rxbinding2.view.RxView
 import io.reactivex.Observable
+import io.reactivex.functions.BiFunction
+import io.reactivex.schedulers.Schedulers
+import io.reactivex.subjects.PublishSubject
 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.socialplatforms.SocialPlatform
 import pl.edu.amu.wmi.socialaggregator.utils.SocialPlatformsManager
 import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithToggleRecycler
 
+
 class NewPostActivity : AppCompatActivity() {
 
     var file: String? = null
 
+    val postedSubject = PublishSubject.create<Any>()
+
+    val resumedSubject = PublishSubject.create<Any>()
+
     @SuppressLint("CheckResult")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -47,16 +57,48 @@ class NewPostActivity : AppCompatActivity() {
 
         RxView.clicks(publishPost)
             .filter { file != null }
-            .subscribe {
+            .doOnNext {
-                availablesRecycler.chips.entries
+                val sdk = android.os.Build.VERSION.SDK_INT
-                    .filter { (_, chip) -> chip.isChecked }
+                if (sdk < android.os.Build.VERSION_CODES.HONEYCOMB) {
-                    .forEach { (social, _) ->
+                    val clipboard =
+                        getSystemService(Context.CLIPBOARD_SERVICE) as android.text.ClipboardManager
+                    clipboard.text = postText.text?.toString() ?: ""
+                } else {
+                    val clipboard =
+                        getSystemService(Context.CLIPBOARD_SERVICE) as android.content.ClipboardManager
+                    val clip = android.content.ClipData.newPlainText(
+                        "text label",
+                        postText.text?.toString() ?: ""
+                    )
+                    clipboard.primaryClip = clip
+                }
+            }
+            .observeOn(Schedulers.io())
+            .doOnNext {
+                resumedSubject.zipWith(
+                    Observable.fromIterable(availablesRecycler.chips.entries
+                        .filter { (_, chip) -> chip.isChecked }
+                        .map { it.key }),
+                    BiFunction<Any, SocialPlatform, SocialPlatform> { _, t2 -> t2 }
+                )
+                    .doOnNext {
                         val bitmap = BitmapFactory.decodeFile(file!!)
-                        social.addPost(this, postText.text?.toString() ?: "test", listOf(bitmap))
+                        it.addPost(
-                            .blockingSubscribe()
+                            postedSubject, this,
-                        Toast.makeText(this, "Posted to ${social.getName()}!", Toast.LENGTH_SHORT)
+                            postText.text?.toString() ?: "",
-                            .show()
+                            listOf(bitmap),
+                            listOf(file!!)
+                        )
                     }
+                    .take(availablesRecycler.chips.count { it.value.isChecked }.toLong())
+                    .toList()
+                    .subscribe { _ ->
+                        finish()
+                    }
+
+            }
+            .subscribe {
+                resumedSubject.onNext(Any())
             }
 
         RxView.clicks(imageView2)
@@ -86,18 +128,33 @@ class NewPostActivity : AppCompatActivity() {
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        SocialPlatformsManager.getAll()
+            .forEach { it.onActivityResult(requestCode, resultCode, data) }
         super.onActivityResult(requestCode, resultCode, data)
 
         if (requestCode == PICK_IMAGE_REQUEST_CODE) {
             data?.data?.let { uri ->
-                uri.pathSegments?.last()?.let {
+                file = getPath(uri)
-                    file = it
-                }
                 imageView2.setImageURI(uri)
+
             }
         }
     }
 
+    fun getPath(uri: Uri): String? {
+        val projection = arrayOf(MediaStore.Images.Media.DATA)
+        val cursor = contentResolver.query(uri, projection, null, null, null) ?: return null
+        val column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
+        cursor.moveToFirst()
+        val s = cursor.getString(column_index)
+        cursor.close()
+        return s
+    }
+
+    override fun onResume() {
+        super.onResume()
+        resumedSubject.onNext(Any())
+    }
 
     private fun canAccessGallery() =
         (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)

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

@@ -4,7 +4,6 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.graphics.Bitmap
-import android.icu.text.SimpleDateFormat
 import android.os.Bundle
 import android.util.Log
 import android.view.View
@@ -12,11 +11,9 @@ import android.view.ViewGroup
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.constraintlayout.widget.ConstraintSet
 import com.facebook.*
+import com.facebook.login.LoginManager
 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.login.LoginManager
 import com.facebook.share.Sharer
 import com.facebook.share.model.ShareMediaContent
 import com.facebook.share.model.SharePhoto
@@ -28,7 +25,8 @@ import io.reactivex.subjects.PublishSubject
 import org.json.JSONArray
 import org.json.JSONObject
 import pl.edu.amu.wmi.socialaggregator.R
-import java.lang.Exception
+import pl.edu.amu.wmi.socialaggregator.utils.Utils
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithButtonRecycler
 
 
 class Facebook : SocialPlatform {
@@ -52,15 +50,21 @@ class Facebook : SocialPlatform {
         return accessToken != null && !accessToken.isExpired
     }
 
-    override fun addPost(context: Context, text: String, images: List<Bitmap>) : PublishSubject<Any> {
+    override fun addPost(
+        publishSubject: PublishSubject<Any>,
+        context: Context,
+        text: String,
+        images: List<Bitmap>,
+        imagePaths: List<String>
+    ) {
         val content = ShareMediaContent.Builder().apply {
-            images.forEach {addMedium(
+            images.forEach {
-                SharePhoto.Builder().setBitmap(it).build()
+                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?) {
@@ -68,7 +72,7 @@ class Facebook : SocialPlatform {
             }
 
             override fun onCancel() {
-                publishSubject.onError(Exception("Cancelled"))
+                publishSubject.onNext(Any())
             }
 
             override fun onError(error: FacebookException?) {
@@ -76,23 +80,26 @@ class Facebook : SocialPlatform {
             }
         })
         shareDialog.show(content, ShareDialog.Mode.AUTOMATIC)
-
-        return publishSubject
     }
 
     override fun getPosts(context: Context): Single<List<Post>> {
         return Single.just(AccessToken.getCurrentAccessToken())
+            .observeOn(Schedulers.io())
             .map { token ->
                 if (token.isExpired) {
                     return@map emptyList<Post>()
                 } else {
                     val request = GraphRequest.newGraphPathRequest(
                         AccessToken.getCurrentAccessToken(),
-                        "/me/posts") {
+                        "/me/posts"
+                    ) {
                         Log.i(getName(), it.toString())
                     }
                     val parameters = Bundle()
-                    parameters.putString("fields", "likes.summary(true),created_time,message,attachments{url,unshimmed_url,media,subattachments}")
+                    parameters.putString(
+                        "fields",
+                        "likes.summary(true),created_time,message,attachments{url,unshimmed_url,media,subattachments}"
+                    )
                     request.parameters = parameters
                     val res = request.executeAndWait()
 
@@ -100,14 +107,14 @@ class Facebook : SocialPlatform {
                     val size = data.length()
                     return@map (0 until size).map {
                         val obj = data[it] as JSONObject
-                        val msg = if(obj.has("message")) obj.getString("message") else ""
+                        val msg = if (obj.has("message")) obj.getString("message") else ""
-                        val date = if(obj.has("created_time")) obj.getString("created_time") else ""
+                        val date =
+                            if (obj.has("created_time")) obj.getString("created_time") else ""
 //                        SimpleDateFormat("YYYY-MM-DD\'T\'hh:mm:ssZ").parse(date)
                         Post(this, msg, date, getImages(obj))
                     }
                 }
             }
-            .subscribeOn(Schedulers.io())
             .observeOn(AndroidSchedulers.mainThread())
 
     }
@@ -122,12 +129,15 @@ class Facebook : SocialPlatform {
                     .flatMap {
                         val urls = mutableListOf<String>()
                         if (it.has("media")) {
-                            urls.add(it.getJSONObject("media")
+                            urls.add(
-                                .getJSONObject("image")
+                                it.getJSONObject("media")
-                                .getString("src"))
+                                    .getJSONObject("image")
+                                    .getString("src")
+                            )
                         }
                         if (it.has("subattachments")) {
-                            val subattachments = it.getJSONObject("subattachments").getJSONArray("data")
+                            val subattachments =
+                                it.getJSONObject("subattachments").getJSONArray("data")
                             urls.addAll((0 until subattachments.length())
                                 .map { subattachments[it] as JSONObject }
                                 .map {
@@ -158,21 +168,35 @@ class Facebook : SocialPlatform {
             parent.addView(button)
 
             constraintSet.clone(parent as ConstraintLayout)
-            constraintSet.connect(button.id, ConstraintSet.TOP,
+            constraintSet.connect(
-                parent.id, ConstraintSet.TOP, 8.toPx(context))
+                button.id, ConstraintSet.TOP,
-            constraintSet.connect(button.id, ConstraintSet.END,
+                parent.id, ConstraintSet.TOP, 8.toPx(context)
-                parent.id, ConstraintSet.END)
+            )
-            constraintSet.connect(button.id, ConstraintSet.BOTTOM,
+            constraintSet.connect(
-                parent.id, ConstraintSet.BOTTOM, 8.toPx(context))
+                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,
+            constraintSet.connect(
-                button.id, ConstraintSet.BOTTOM)
+                viewHolder.textView.id, ConstraintSet.BOTTOM,
-            constraintSet.connect(viewHolder.textView.id, ConstraintSet.END,
+                button.id, ConstraintSet.BOTTOM
-                button.id, ConstraintSet.START, 8.toPx(context))
+            )
-            constraintSet.connect(viewHolder.textView.id, ConstraintSet.START,
+            constraintSet.connect(
-                parent.id, ConstraintSet.START)
+                viewHolder.textView.id, ConstraintSet.END,
-            constraintSet.connect(viewHolder.textView.id, ConstraintSet.TOP,
+                button.id, ConstraintSet.START, 8.toPx(context)
-                button.id, ConstraintSet.TOP)
+            )
+            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)
 
@@ -180,8 +204,10 @@ class Facebook : SocialPlatform {
             val callback = object : FacebookCallback<LoginResult> {
                 override fun onSuccess(result: LoginResult?) {
                     Log.i(getName(), "SUCCESS!")
-                    LoginManager.getInstance().logInWithReadPermissions(context as Activity,
+                    LoginManager.getInstance().logInWithReadPermissions(
-                        listOf("email"))
+                        context as Activity,
+                        listOf("email")
+                    )
                 }
 
                 override fun onCancel() {

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

@@ -1,84 +0,0 @@
-package pl.edu.amu.wmi.socialaggregator.socialplatforms
-
-import android.content.Context
-import android.graphics.Bitmap
-import android.util.Log
-import io.reactivex.Single
-import io.reactivex.subjects.PublishSubject
-import pl.edu.amu.wmi.socialaggregator.R
-import pl.edu.amu.wmi.socialaggregator.utils.InternalStorage
-import java.io.ByteArrayOutputStream
-import java.io.File
-import java.text.DateFormat
-import java.util.*
-
-abstract class FacebookMock : SocialPlatform {
-
-    companion object {
-        val TAG = FacebookMock::class.java.canonicalName
-    }
-
-    override fun getName(): String = "Facebook Mock"
-
-    override fun getLogo(): Int = R.mipmap.ic_logo_facebook
-
-    override fun login(context: Context) {
-        val loginsDir = InternalStorage.getFileOrDir(context, "logins")
-        loginsDir?.mkdir()
-        if (loginsDir != null) {
-            val loginFile = File(loginsDir, "facebook")
-            loginFile.createNewFile()
-        } else {
-            Log.e(TAG, "Could not create logins directory")
-        }
-    }
-
-    override fun logout(context: Context) {
-        InternalStorage.getFileOrDir(context, "logins/facebook")?.delete()
-    }
-
-    override fun isLoggedIn(context: Context): Boolean {
-        return InternalStorage.getFileOrDir(context, "logins/facebook")?.exists() ?: false
-    }
-
-    override fun addPost(context: Context, text: String, images: List<Bitmap>): PublishSubject<Any> {
-        val postsDir = InternalStorage.getFileOrDir(context, "posts/facebook")
-        if (postsDir != null) {
-            val postDir = File(postsDir, System.currentTimeMillis().toString())
-            postDir.mkdirs()
-
-            val textFile = File(postDir, "content")
-            textFile.createNewFile()
-            textFile.writeText(text)
-
-            images.forEachIndexed { index, image ->
-                val imageFile = File(postDir, "image$index")
-                imageFile.createNewFile()
-
-                ByteArrayOutputStream().use { stream ->
-                    image.compress(Bitmap.CompressFormat.JPEG, 100, stream)
-                    imageFile.writeBytes(stream.toByteArray())
-                }
-            }
-
-        } else {
-            Log.e(TAG, "Could not create posts directory")
-        }
-        return PublishSubject.create()
-    }
-
-    override fun getPosts(context: Context): Single<List<Post>> {
-        val postsDir = InternalStorage.getFileOrDir(context, "posts/facebook")
-        return Single.just(postsDir?.listFiles()?.flatMap {
-            it.listFiles().map {
-                val dt = Date(it.lastModified())
-                Post(
-                    this,
-                    it.readText(),
-                    DateFormat.getDateTimeInstance().format(dt),
-                    emptyList()
-                )
-            }
-        }?.toList() ?: emptyList())
-    }
-}

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

@@ -0,0 +1,5 @@
+package pl.edu.amu.wmi.socialaggregator.socialplatforms
+
+import java.lang.Exception
+
+class NotApplicableException(val socialPlatform: SocialPlatform) : Exception()

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

@@ -0,0 +1,79 @@
+package pl.edu.amu.wmi.socialaggregator.socialplatforms
+
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.util.Log
+import com.snapchat.kit.sdk.SnapCreative
+import com.snapchat.kit.sdk.creative.api.SnapCreativeKitCompletionCallback
+import com.snapchat.kit.sdk.creative.api.SnapCreativeKitSendError
+import com.snapchat.kit.sdk.creative.exceptions.SnapMediaSizeException
+import com.snapchat.kit.sdk.creative.models.SnapPhotoContent
+import io.reactivex.Single
+import io.reactivex.subjects.PublishSubject
+import pl.edu.amu.wmi.socialaggregator.R
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithButtonRecycler
+import java.io.File
+import java.lang.Exception
+
+class Snapchat : SocialPlatform {
+    override fun getName(): String = "Snapchat"
+
+    override fun login(context: Context) {
+    }
+
+    override fun logout(context: Context) {
+    }
+
+    override fun isLoggedIn(context: Context): Boolean = true
+
+    override fun addPost(
+        publishSubject: PublishSubject<Any>,
+        context: Context,
+        text: String,
+        images: List<Bitmap>,
+        imagePaths: List<String>
+    ) {
+        val snapCreativeKitApi = SnapCreative.getApi(context)
+
+        val content = imagePaths.map {
+            val snapMediaFactory = SnapCreative.getMediaFactory(context)
+            val photoFile = try {
+                snapMediaFactory.getSnapPhotoFromFile(File(it))
+            } catch (e: SnapMediaSizeException) {
+                Log.e(getName(), e.toString())
+                null
+            }
+            SnapPhotoContent(photoFile!!)
+        }.first()
+
+        snapCreativeKitApi.sendWithCompletionHandler(
+            content,
+            object : SnapCreativeKitCompletionCallback {
+                override fun onSendSuccess() {
+                    publishSubject.onNext(Any())
+                }
+
+                override fun onSendFailed(p0: SnapCreativeKitSendError?) {
+                    publishSubject.onError(Exception("Snapchat error"))
+                }
+
+            })
+    }
+
+    override fun getPosts(context: Context): Single<List<Post>> {
+        return Single.just(emptyList())
+    }
+
+    override fun getLogo(): Int = R.drawable.ic_icon_snapchat
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+    }
+
+    override fun handleButtonView(context: Context): (SocialWithButtonRecycler.ViewHolder) -> Unit =
+        {
+            it.image.setImageResource(getLogo())
+            it.textView.text = getName()
+        }
+}

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

@@ -13,7 +13,10 @@ interface SocialPlatform {
     fun login(context: Context)
     fun logout(context: Context)
     fun isLoggedIn(context: Context): Boolean
-    fun addPost(context: Context, text: String, images: List<Bitmap>): PublishSubject<Any>
+    fun addPost(publishSubject: PublishSubject<Any>,
+        context: Context, text: String, images: List<Bitmap>,
+        imagePaths: List<String>)
+
     fun getPosts(context: Context): Single<List<Post>>
     fun getLogo(): Int
     fun handleButtonView(context: Context): (SocialWithButtonRecycler.ViewHolder) -> Unit = {}

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

@@ -2,13 +2,14 @@ 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.Snapchat
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
 
 object SocialPlatformsManager {
-    private val IMPLEMENTED_PLATFORMS = listOf<SocialPlatform>(
+    private val IMPLEMENTED_PLATFORMS = listOf(
 //        FacebookMock()
-        Facebook()
+        Facebook(),
+        Snapchat()
     )
 
     fun getAll() = IMPLEMENTED_PLATFORMS

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

@@ -1,5 +1,6 @@
 package pl.edu.amu.wmi.socialaggregator.viewholders
 
+import android.annotation.SuppressLint
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -11,8 +12,11 @@ import androidx.recyclerview.widget.RecyclerView
 import com.squareup.picasso.Picasso
 import io.reactivex.Observable
 import pl.edu.amu.wmi.socialaggregator.R
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.NotApplicableException
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.Post
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
 
+@SuppressLint("CheckResult")
 class PostDetailsRecycler(
     postsObservable: Observable<List<Post>>
 ) : RecyclerView.Adapter<PostDetailsRecycler.ViewHolder>() {
@@ -20,10 +24,11 @@ class PostDetailsRecycler(
     val posts = emptyList<Post>().toMutableList()
 
     init {
-        postsObservable.subscribe {
+        postsObservable
-            posts.addAll(it)
+            .subscribe {
-            notifyDataSetChanged()
+                posts.addAll(it)
-        }
+                notifyDataSetChanged()
+            }
     }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {

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

@@ -1,5 +1,6 @@
 package pl.edu.amu.wmi.socialaggregator.viewholders
 
+import android.annotation.SuppressLint
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import android.widget.ImageView
@@ -7,22 +8,27 @@ import android.widget.TextView
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.recyclerview.widget.RecyclerView
 import io.reactivex.Observable
+import io.reactivex.Single
 import pl.edu.amu.wmi.socialaggregator.R
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.NotApplicableException
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.Post
 import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
 
+@SuppressLint("CheckResult")
 class PostSummaryRecycler(
-    socialsObservable: Observable<Pair<SocialPlatform, List<Post>>>
+    socialsObservable: Observable<Pair<SocialPlatform, List<Post>?>>
 ) : RecyclerView.Adapter<PostSummaryRecycler.ViewHolder>() {
 
-    init {
+    private val socials = mutableListOf<Pair<SocialPlatform, List<Post>?>>()
-        socialsObservable.subscribe {
-            socials.add(it)
-            notifyDataSetChanged()
-        }
-    }
 
-    val socials = emptyList<Pair<SocialPlatform, List<Post>>>().toMutableList()
+     init {
+        socialsObservable
+            .doOnNext {
+                socials.add(it)
+                notifyDataSetChanged()
+            }
+            .subscribe()
+    }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val layout = LayoutInflater.from(parent.context)
@@ -41,9 +47,11 @@ class PostSummaryRecycler(
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val (social, posts) = socials[position]
-        val count = posts.size
+        val count = posts?.size
         holder.socialName.text = social.getName()
-        holder.postCount.text = count.toString() + if (count > 1) " posts" else " post"
+        holder.postCount.text = count?.let {
+            count.toString() + if (count > 1) " posts" else " post"
+        } ?: "Not applicable"
         holder.imageView.setImageResource(social.getLogo())
     }
 

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

@@ -6,4 +6,10 @@
 
     <string name="facebook_app_id">2437098899888167</string>
     <string name="fb_login_protocol_scheme">fb2437098899888167</string>
+
+<!--    <key>SCSDKScopes</key>-->
+<!--    <array name="snap_connect_scopes">-->
+<!--        <string>https://auth.snapchat.com/oauth2/api/user.bitmoji.avatar</string>-->
+<!--        &lt;!&ndash; other scopes you might have... &ndash;&gt;-->
+<!--    </array>-->
 </resources>

app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <root-path name="root" path="." />
+
+    <external-cache-path name="external_files" path="."/>
+    <external-path name="external_files" path="."/>
+</paths>

build.gradle

@@ -19,7 +19,10 @@ allprojects {
     repositories {
         google()
         jcenter()
-        
+
+        maven {
+            url "https://storage.googleapis.com/snap-kit-build/maven"
+        }
     }
 }