SA-28 implement facebook api

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -26,14 +26,16 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.0.2'
-    implementation 'androidx.core:core-ktx:1.0.2'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation "io.reactivex.rxjava2:rxjava:2.2.2"
     implementation "io.reactivex.rxjava2:rxandroid:2.1.0"
     implementation 'com.jakewharton.rxbinding2:rxbinding:2.2.0'
     implementation 'com.jakewharton.rxbinding2:rxbinding-appcompat-v7:2.2.0'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'com.google.android.material:material:1.0.0'
 }

app/src/main/AndroidManifest.xml

@@ -9,7 +9,25 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".activity.AddSocialActivity"
+            android:label="@string/title_activity_add_social"
+            android:parentActivityName=".activity.MainActivity"
+            android:theme="@style/AppTheme.NoActionBar">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="pl.edu.amu.wmi.socialaggregator.activity.MainActivity" />
+        </activity>
+        <activity
+            android:name=".activity.NewPostActivity"
+            android:label="@string/title_activity_new_post"
+            android:parentActivityName=".activity.MainActivity"
+            android:theme="@style/AppTheme.NoActionBar">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="pl.edu.amu.wmi.socialaggregator.activity.MainActivity" />
+        </activity>
+        <activity android:name=".activity.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

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

@@ -1,12 +0,0 @@
-package pl.edu.amu.wmi.socialaggregator
-
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-
-class MainActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-    }
-}

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

@@ -0,0 +1,56 @@
+package pl.edu.amu.wmi.socialaggregator.activity
+
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+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
+
+class AddSocialActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_add_social)
+        setSupportActionBar(toolbar)
+
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+
+        val notLoggedInSocials = SocialPlatformsManager.getNotLoggedIn(this)
+        val loggedInSocials = SocialPlatformsManager.getLoggedIn(this)
+        val recyclers = mutableListOf(availableSocialsRecyclerView, addSocialRecyclerView)
+
+        availableSocialsRecyclerView.apply {
+            layoutManager = LinearLayoutManager(this@AddSocialActivity)
+            adapter = SocialWithImageRecycler(
+                loggedInSocials,
+                R.drawable.ic_remove_circle
+            ) {
+                it.logout(context)
+                loggedInSocials.remove(it)
+                notLoggedInSocials.add(it)
+                recyclers.forEach { it.adapter?.notifyDataSetChanged() }
+                Toast.makeText(context, "Logged out from ${it.getName()}!", Toast.LENGTH_SHORT).show()
+            }
+        }
+
+        addSocialRecyclerView.apply {
+            layoutManager = LinearLayoutManager(this@AddSocialActivity)
+            adapter = SocialWithImageRecycler(
+                notLoggedInSocials,
+                R.drawable.ic_add_circle
+            ) {
+                it.login(context)
+                notLoggedInSocials.remove(it)
+                loggedInSocials.add(it)
+                recyclers.forEach { it.adapter?.notifyDataSetChanged() }
+                Toast.makeText(context, "Logged in to ${it.getName()}!", Toast.LENGTH_SHORT).show()
+            }
+        }
+
+    }
+
+}

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

@@ -0,0 +1,53 @@
+package pl.edu.amu.wmi.socialaggregator.activity
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+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.PostTextRecycler
+import pl.edu.amu.wmi.socialaggregator.viewholders.SocialWithImageRecycler
+
+class MainActivity : AppCompatActivity() {
+
+    private val subs = CompositeDisposable()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        subs.addAll(
+            RxView.clicks(createPostButton)
+                .subscribe {
+                    val intent = Intent(this, NewPostActivity::class.java)
+                    startActivity(intent)
+                },
+            RxView.clicks(connectedSocialsButton)
+                .subscribe {
+                    val intent = Intent(this, AddSocialActivity::class.java)
+                    startActivity(intent)
+                }
+        )
+
+        connectedSocialsRecyclerView.apply {
+            layoutManager = LinearLayoutManager(this@MainActivity)
+            adapter = SocialWithImageRecycler(SocialPlatformsManager.getLoggedIn(this@MainActivity),
+                R.drawable.ic_launcher_background) {}
+        }
+
+        previousPostsRecyclerView.apply {
+            layoutManager = LinearLayoutManager(this@MainActivity)
+            adapter = PostTextRecycler(SocialPlatformsManager.getLoggedIn(this@MainActivity)
+                .map { it to it.getPosts(this@MainActivity).size })
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        subs.clear()
+    }
+}

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

@@ -0,0 +1,51 @@
+package pl.edu.amu.wmi.socialaggregator.activity
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.snackbar.Snackbar
+import com.jakewharton.rxbinding2.view.RxView
+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
+
+class NewPostActivity : AppCompatActivity() {
+
+    @SuppressLint("CheckResult")
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_new_post)
+        setSupportActionBar(toolbar)
+
+        publishPost.setOnClickListener { view ->
+            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                .setAction("Action", null).show()
+        }
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+
+        val loggedInSocials = SocialPlatformsManager.getLoggedIn(this)
+
+        val availablesRecycler = SocialWithToggleRecycler(loggedInSocials)
+        availableSocials.apply {
+            layoutManager = LinearLayoutManager(this@NewPostActivity)
+            adapter = availablesRecycler
+        }
+
+        RxView.clicks(publishPost)
+            .subscribe {
+                availablesRecycler.chips.entries.forEach { (social, chip) ->
+                    if (chip.isChecked) {
+                        social.addPost(this, postText.text?.toString() ?: "test", emptyList())
+                        Toast.makeText(this, "Posted to ${social.getName()}!", Toast.LENGTH_LONG)
+                            .show()
+                    }
+                }
+                finish()
+            }
+    }
+
+}

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

@@ -0,0 +1,65 @@
+package pl.edu.amu.wmi.socialaggregator.socialplatforms
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.util.Log
+import pl.edu.amu.wmi.socialaggregator.utils.InternalStorage
+import java.io.ByteArrayOutputStream
+import java.io.File
+
+class FacebookMock : SocialPlatform {
+
+    companion object {
+        val TAG = FacebookMock::class.java.canonicalName
+    }
+
+    override fun getName(): String = "Facebook"
+
+    override fun login(context: Context) {
+        val loginsDir = InternalStorage.getFileOrDir(context, "logins")
+        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>) {
+        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")
+        }
+    }
+
+    override fun getPosts(context: Context): List<String> {
+        val postsDir = InternalStorage.getFileOrDir(context, "posts/facebook")
+        return postsDir?.listFiles()?.map { it.name }?.toList() ?: emptyList()
+    }
+}

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

@@ -0,0 +1,14 @@
+package pl.edu.amu.wmi.socialaggregator.socialplatforms
+
+import android.content.Context
+import android.graphics.Bitmap
+
+interface SocialPlatform {
+
+    fun getName(): String
+    fun login(context: Context)
+    fun logout(context: Context)
+    fun isLoggedIn(context: Context): Boolean
+    fun addPost(context: Context, text: String, images: List<Bitmap>)
+    fun getPosts(context: Context): List<String>
+}

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

@@ -0,0 +1,25 @@
+package pl.edu.amu.wmi.socialaggregator.utils
+
+import android.content.Context
+import java.io.File
+
+object InternalStorage {
+
+    fun getFileOrDir(context: Context, name: String): File? {
+        var file = context.filesDir
+
+        if (name.indexOf("/") > 0) {
+            val subdirs = name.split("/")
+            subdirs.subList(0, subdirs.size - 1).forEach {
+                file = File(file, it)
+                file.mkdir()
+            }
+            file = File(file, subdirs.last())
+        } else {
+            file = File(file, name)
+        }
+
+        return file
+    }
+
+}

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

@@ -0,0 +1,17 @@
+package pl.edu.amu.wmi.socialaggregator.utils
+
+import android.content.Context
+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()
+    )
+
+    fun getLoggedIn(context: Context) =
+        IMPLEMENTED_PLATFORMS.filter { it.isLoggedIn(context) }.toMutableList()
+
+    fun getNotLoggedIn(context: Context) =
+        (IMPLEMENTED_PLATFORMS - getLoggedIn(context)).toMutableList()
+}

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

@@ -0,0 +1,44 @@
+package pl.edu.amu.wmi.socialaggregator.viewholders
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.recyclerview.widget.RecyclerView
+import com.jakewharton.rxbinding2.view.RxView
+import io.reactivex.disposables.Disposable
+import pl.edu.amu.wmi.socialaggregator.R
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
+
+class PostTextRecycler(
+    val socials: List<Pair<SocialPlatform, Int>>) : RecyclerView.Adapter<PostTextRecycler.ViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val layout = LayoutInflater.from(parent.context)
+            .inflate(R.layout.previous_posts, parent, false) as ConstraintLayout
+
+        val socialName = layout.findViewById<TextView>(R.id.socialTextView)
+        val postCount = layout.findViewById<TextView>(R.id.postCountTextView)
+
+        return ViewHolder(layout, socialName, postCount)
+    }
+
+    override fun getItemCount(): Int {
+        return socials.size
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val pair = socials[position]
+        holder.socialName.text = pair.first.getName()
+        val count = pair.second
+        holder.postCount.text = count.toString() + if (count > 1) " posts" else " post"
+    }
+
+    class ViewHolder(
+        root: ConstraintLayout,
+        val socialName: TextView,
+        val postCount: TextView
+    ) : RecyclerView.ViewHolder(root)
+
+}

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

@@ -0,0 +1,52 @@
+package pl.edu.amu.wmi.socialaggregator.viewholders
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.recyclerview.widget.RecyclerView
+import com.jakewharton.rxbinding2.view.RxView
+import io.reactivex.disposables.Disposable
+import pl.edu.amu.wmi.socialaggregator.R
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
+
+class SocialWithImageRecycler(
+    val availableSocials: List<SocialPlatform>,
+    private val imageResource: Int,
+    private val action: (SocialPlatform) -> Unit
+) : RecyclerView.Adapter<SocialWithImageRecycler.ViewHolder>() {
+
+    private val disposables = HashMap<SocialPlatform, Disposable>()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val layout = LayoutInflater.from(parent.context)
+            .inflate(R.layout.social_platform_image, parent, false) as ConstraintLayout
+
+        val textView = layout.findViewById<TextView>(R.id.socialPlatformName)
+        val imageView = layout.findViewById<ImageView>(R.id.socialPlatformImage)
+
+        return ViewHolder(layout, textView, imageView)
+    }
+
+    override fun getItemCount(): Int {
+        return availableSocials.size
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val social = availableSocials[position]
+        holder.text.text = social.getName()
+        holder.image.setImageResource(imageResource)
+
+        disposables[social] = RxView.clicks(holder.image)
+            .map { social }
+            .subscribe(action)
+    }
+
+    class ViewHolder(
+        root: ConstraintLayout,
+        val text: TextView,
+        val image: ImageView
+    ) : RecyclerView.ViewHolder(root)
+
+}

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

@@ -0,0 +1,46 @@
+package pl.edu.amu.wmi.socialaggregator.viewholders
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.CheckBox
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.chip.Chip
+import pl.edu.amu.wmi.socialaggregator.R
+import pl.edu.amu.wmi.socialaggregator.socialplatforms.SocialPlatform
+
+class SocialWithToggleRecycler(
+    private val availableSocials: List<SocialPlatform>
+) : RecyclerView.Adapter<SocialWithToggleRecycler.ViewHolder>() {
+
+    val chips = HashMap<SocialPlatform, CheckBox>()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val layout = LayoutInflater.from(parent.context)
+            .inflate(R.layout.social_platform_toggle, parent, false) as ConstraintLayout
+
+        val textView = layout.findViewById<TextView>(R.id.socialPlatformName)
+        val chip = layout.findViewById<CheckBox>(R.id.chip)
+
+        return ViewHolder(layout, textView, chip)
+    }
+
+    override fun getItemCount(): Int {
+        return availableSocials.size
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val social = availableSocials[position]
+        holder.text.text = social.getName()
+
+        chips[social] = holder.chip
+    }
+
+    class ViewHolder(
+        root: ConstraintLayout,
+        val text: TextView,
+        val chip: CheckBox
+    ) : RecyclerView.ViewHolder(root)
+
+}

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

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity.AddSocialActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include layout="@layout/content_add_social" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -4,15 +4,136 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".activity.MainActivity">
 
-    <TextView
+    <ImageView
+        android:id="@+id/imageView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:layout_marginTop="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@mipmap/ic_launcher" />
+
+    <TextView
+        android:id="@+id/connectedSocialsTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:text="Connected 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_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/connectedSocialsTextView"
+        tools:listitem="@layout/social_platform_image">
+
+    </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"
+        android:layout_height="1dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:background="?android:attr/listDivider"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/connectedSocialsButton" />
+
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:text="Previous Posts"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/divider" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/previousPostsRecyclerView"
+        android:layout_width="0dp"
+        android:layout_height="100dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.25"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView2" />
+
+    <Button
+        android:id="@+id/previousPostsButton"
+        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="See more"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/divider2" />
+
+    <View
+        android:id="@+id/divider2"
+        android:layout_width="0dp"
+        android:layout_height="1dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:background="?android:attr/listDivider"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/previousPostsRecyclerView" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:text="Add New Post"
+        app:layout_constraintBottom_toBottomOf="@+id/createPostButton"
+        app:layout_constraintEnd_toStartOf="@+id/createPostButton"
+        app:layout_constraintTop_toTopOf="@+id/createPostButton" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/createPostButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        android:clickable="true"
+        android:tint="#00FFFFFF"
+        app:fabSize="auto"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/previousPostsButton"
+        app:srcCompat="@android:drawable/ic_input_add" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity.NewPostActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include layout="@layout/content_new_post" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".activity.AddSocialActivity"
+    tools:showIn="@layout/activity_add_social">
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:text="Available Socials"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/availableSocialsRecyclerView"
+        android:layout_width="0dp"
+        android:layout_height="300dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView3"
+        tools:itemCount="3"
+        tools:listitem="@layout/social_platform_image" />
+
+    <View
+        android:id="@+id/divider3"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:background="?android:attr/listDivider"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/availableSocialsRecyclerView" />
+
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:text="Add New Social"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/divider3" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/addSocialRecyclerView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView4"
+        tools:itemCount="3"
+        tools:listitem="@layout/social_platform_image" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="fill_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".activity.NewPostActivity"
+    tools:showIn="@layout/activity_new_post">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <ImageView
+            android:id="@+id/imageView2"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="32dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="32dp"
+            app:layout_constraintDimensionRatio="1:1"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@android:drawable/ic_menu_gallery" />
+
+        <EditText
+            android:id="@+id/postText"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="16dp"
+            android:ems="10"
+            android:gravity="start|top"
+            android:inputType="textMultiLine"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/imageView2" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/availableSocials"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="16dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="1.0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/postText"
+            tools:itemCount="4"
+            tools:listitem="@layout/social_platform_toggle" />
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/publishPost"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="8dp"
+            android:layout_marginBottom="8dp"
+            android:clickable="true"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/availableSocials"
+            app:srcCompat="@drawable/ic_add_circle" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</ScrollView>

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

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/linearLayout"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/socialTextView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:text="Bla bla bla"
+        android:textColor="@android:color/primary_text_light"
+        app:layout_constraintBottom_toTopOf="@+id/postCountTextView"
+        app:layout_constraintEnd_toStartOf="@+id/imageView3"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/imageView3"
+        app:layout_constraintVertical_chainStyle="packed" />
+
+    <TextView
+        android:id="@+id/postCountTextView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:text="Bla bla bla"
+        android:textColor="@android:color/secondary_text_light"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/imageView3"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/socialTextView" />
+
+    <ImageView
+        android:id="@+id/imageView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@mipmap/ic_launcher_round" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/socialPlatformName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        app:layout_constraintEnd_toStartOf="@+id/socialPlatformImage"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Some Sample Text" />
+
+    <ImageView
+        android:id="@+id/socialPlatformImage"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginTop="-4dp"
+        android:layout_marginBottom="-4dp"
+        app:layout_constraintBottom_toBottomOf="@+id/socialPlatformName"
+        app:layout_constraintDimensionRatio="1:1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/socialPlatformName"
+        tools:srcCompat="@mipmap/ic_launcher_round" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/socialPlatformName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        app:layout_constraintEnd_toStartOf="@+id/chip"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Some Sample Text" />
+
+    <CheckBox
+        android:id="@+id/chip"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="@+id/socialPlatformName"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/socialPlatformName" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#008577</color>
-    <color name="colorPrimaryDark">#00574B</color>
-    <color name="colorAccent">#D81B60</color>
+    <color name="colorPrimary">#4267b2</color>
+    <color name="colorPrimaryDark">#4267b2</color>
+    <color name="colorAccent">#4267b2</color>
 </resources>

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

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>

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

@@ -1,3 +1,5 @@
 <resources>
     <string name="app_name">Social Aggregator</string>
+    <string name="title_activity_new_post">NewPostActivity</string>
+    <string name="title_activity_add_social">AddSocialActivity</string>
 </resources>

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

@@ -8,4 +8,13 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
 </resources>

build.gradle

@@ -8,7 +8,7 @@ buildscript {
         
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files