Merge pull request #127 from Tribler/detoks

DeToks: Decentralised TikTok Skeleton
Tribler · Feb 20, 2023 · b348ac5 · b348ac5
2 parents a1b39c4 + e3dcbd4
commit b348ac5
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diff --git a/README.md b/README.md
@@ -25,6 +25,9 @@ An online indicator and the last message is shown for each contact. Users can ex
 
  <img src="https://user-images.githubusercontent.com/1122874/82873643-1a353880-9f35-11ea-8da3-24ce189c939d.png" width="180"> <img src="https://user-images.githubusercontent.com/1122874/82873661-1f928300-9f35-11ea-9955-6a7488936b02.png" width="180">
 
+### DeToks
+**Decentralised TikTok** skeleton app for the CS4160 Blockchain Engineering (2022/23) course.
+
 ### Digital Euro
 
 The Superapp is connected to the European IBAN Euro system.

diff --git a/app/build.gradle b/app/build.gradle
@@ -122,6 +122,7 @@ dependencies {
     implementation project(':valuetransfer')
     implementation project(':atomic-swap')
     implementation project(':literaturedao')
+    implementation project(':detoks')
     api(project(':common')) {
         exclude group: 'net.java.dev.jna'
     }

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -117,6 +117,11 @@
             android:name="nl.tudelft.trustchain.atomicswap.AtomicSwapActivity"
             android:parentActivityName=".ui.dashboard.DashboardActivity" />
 
+        <activity
+            android:name="nl.tudelft.trustchain.detoks.DeToksActivity"
+            android:theme="@style/Fullscreen"
+            android:parentActivityName=".ui.dashboard.DashboardActivity" />
+
         <activity
             android:name="nl.tudelft.trustchain.valuetransfer.ValueTransferMainActivity"
             android:exported="true"

diff --git a/app/src/main/java/nl/tudelft/trustchain/app/AppDefinition.kt b/app/src/main/java/nl/tudelft/trustchain/app/AppDefinition.kt
@@ -20,6 +20,7 @@ import nl.tudelft.trustchain.peerchat.PeerChatActivity
 import nl.tudelft.trustchain.trader.ui.TrustChainTraderActivity
 import nl.tudelft.trustchain.valuetransfer.ValueTransferMainActivity
 import nl.tudelft.trustchain.voting.VotingActivity
+import nl.tudelft.trustchain.detoks.DeToksActivity
 
 enum class AppDefinition(
     @DrawableRes val icon: Int,
@@ -28,6 +29,13 @@ enum class AppDefinition(
     val activity: Class<out Activity>,
     val disableImageTint: Boolean = false,
 ) {
+    DETOKS(
+        R.drawable.ic_detox_logo,
+        "DeToks",
+        R.color.black,
+        DeToksActivity::class.java,
+        true,
+    ),
     EIGHTEEN_PLUS(
         R.drawable.ic_18_plus,
         "18+",

diff --git a/app/src/main/java/nl/tudelft/trustchain/app/AppLoader.kt b/app/src/main/java/nl/tudelft/trustchain/app/AppLoader.kt
@@ -70,6 +70,7 @@ class AppLoader(
     companion object {
         val PREFERRED_APPS = stringSetPreferencesKey("preferred_apps")
         val DEFAULT_APPS = setOf(
+            AppDefinition.DETOKS.appName,
             AppDefinition.VALUETRANSFER.appName,
             AppDefinition.MUSIC_DAO.appName,
             AppDefinition.EIGHTEEN_PLUS.appName

diff --git a/app/src/main/res/layout/item_dashboard.xml b/app/src/main/res/layout/item_dashboard.xml
@@ -9,14 +9,15 @@
 
     <ImageView
         android:id="@+id/imgIcon"
-        android:layout_width="48dp"
-        android:layout_height="48dp" />
+        android:layout_width="72dp"
+        android:layout_height="72dp" />
 
     <TextView
         android:id="@+id/txtAppName"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="16dp"
+        android:textSize="16sp"
         android:fontFamily="sans-serif-medium"
         android:textAlignment="center" />
 </LinearLayout>
diff --git a/common/src/main/res/drawable/ic_detox_logo.xml b/common/src/main/res/drawable/ic_detox_logo.xml
@@ -0,0 +1,19 @@
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diff --git a/detoks/.gitignore b/detoks/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/detoks/build.gradle b/detoks/build.gradle
@@ -0,0 +1,92 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 33
+
+    defaultConfig {
+        minSdkVersion 22
+        targetSdkVersion 33
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+        allWarningsAsErrors = true
+    }
+
+
+    buildFeatures {
+        viewBinding = true
+    }
+    namespace 'nl.tudelft.trustchain.detoks'
+}
+
+dependencies {
+    implementation project(':common')
+
+    // AndroidX
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation "androidx.recyclerview:recyclerview:1.2.1"
+    implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
+    implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
+    implementation "androidx.fragment:fragment-ktx:$fragment_version"
+    implementation "androidx.preference:preference:1.2.0"
+    implementation "androidx.lifecycle:lifecycle-runtime:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
+
+    // Material
+    implementation 'com.google.android.material:material:1.8.0'
+
+    // Kotlin
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+
+    // Logging
+    implementation 'io.github.microutils:kotlin-logging:1.7.7'
+    implementation 'com.github.tony19:logback-android:2.0.0'
+
+    implementation 'com.github.MattSkala:recyclerview-itemadapter:0.4'
+
+    // Testing
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+    // TODO fix direct import, this should rely on common.
+    // BitTorrent
+    implementation files('../common/libs/jlibtorrent-' + jlibtorrent_version + '.jar')
+    implementation files('../common/libs/jlibtorrent-android-arm64-' + jlibtorrent_version + '.jar')
+    implementation files('../common/libs/jlibtorrent-android-arm-' + jlibtorrent_version + '.jar')
+    implementation files('../common/libs/jlibtorrent-android-x86-' + jlibtorrent_version + '.jar')
+    implementation files('../common/libs/jlibtorrent-android-x86_64-' + jlibtorrent_version + '.jar')
+
+    implementation 'com.devbrackets.android:exomedia:4.3.0'
+}
+
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
+    kotlinOptions.freeCompilerArgs += [
+        "-opt-in=kotlin.RequiresOptIn", "-Werror"
+    ]
+}
diff --git a/detoks/consumer-rules.pro b/detoks/consumer-rules.pro
diff --git a/detoks/proguard-rules.pro b/detoks/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/detoks/src/main/AndroidManifest.xml b/detoks/src/main/AndroidManifest.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+
+    <application>
+        <activity
+            android:name="nl.tudelft.trustchain.detoks.DeToksActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:label="@string/title_activity_main_detoks"
+            android:theme="@style/Fullscreen"
+            android:windowSoftInputMode="stateHidden" />
+    </application>
+
+</manifest>
diff --git a/detoks/src/main/java/nl/tudelft/trustchain/detoks/DeToksFragment.kt b/detoks/src/main/java/nl/tudelft/trustchain/detoks/DeToksFragment.kt
@@ -0,0 +1,91 @@
+package nl.tudelft.trustchain.detoks
+
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import androidx.viewpager2.widget.ViewPager2
+import kotlinx.android.synthetic.main.fragment_detoks.*
+import mu.KotlinLogging
+import nl.tudelft.trustchain.common.ui.BaseFragment
+import java.io.File
+import java.io.FileOutputStream
+
+class DeToksFragment : BaseFragment(R.layout.fragment_detoks) {
+    private lateinit var torrentManager: TorrentManager
+    private val logger = KotlinLogging.logger {}
+    private var previousVideoAdapterIndex = 0
+
+    private val torrentDir: String
+        get() = "${requireActivity().cacheDir.absolutePath}/torrent"
+    private val mediaCacheDir: String
+        get() = "${requireActivity().cacheDir.absolutePath}/media"
+
+    private fun cacheDefaultTorrent() {
+        try {
+            val dir1 = File(mediaCacheDir)
+            if (!dir1.exists()) {
+                dir1.mkdirs()
+            }
+            val dir2 = File(torrentDir)
+            if (!dir2.exists()) {
+                dir2.mkdirs()
+            }
+            val file = File("$torrentDir/$DEFAULT_TORRENT_FILE")
+            if (!file.exists()) {
+                val outputStream = FileOutputStream(file)
+                val ins = requireActivity().resources.openRawResource(R.raw.detoks)
+                outputStream.write(ins.readBytes())
+                ins.close()
+                outputStream.close()
+            }
+        } catch (e: Exception) {
+            Log.e("DeToks", "Failed to cache default torrent: $e")
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        cacheDefaultTorrent()
+        torrentManager = TorrentManager(
+            File("${requireActivity().cacheDir.absolutePath}/media"),
+            File("${requireActivity().cacheDir.absolutePath}/torrent"),
+            DEFAULT_CACHING_AMOUNT
+        )
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        viewPagerVideos.adapter = VideosAdapter(torrentManager)
+        viewPagerVideos.currentItem = 0
+        onPageChangeCallback()
+    }
+
+    /**
+     * This functions allows for looping back to start of the video pool.
+     */
+    private fun onPageChangeCallback() {
+        viewPagerVideos.registerOnPageChangeCallback(object : ViewPager2.OnPageChangeCallback() {
+            override fun onPageScrollStateChanged(state: Int) {
+                super.onPageScrollStateChanged(state)
+
+                if (state == ViewPager2.SCROLL_STATE_IDLE) {
+                    when (viewPagerVideos.currentItem - previousVideoAdapterIndex) {
+                        1 -> torrentManager.notifyIncrease()
+                        -1 -> torrentManager.notifyDecrease()
+                        0 -> {} // Do nothing
+                        else -> {
+                            logger.error { "Something went wrong with the video adapter index" }
+                        }
+                    }
+                    previousVideoAdapterIndex = viewPagerVideos.currentItem
+                }
+            }
+        })
+    }
+
+    companion object {
+        const val DEFAULT_CACHING_AMOUNT = 2
+        const val DEFAULT_TORRENT_FILE = "detoks.torrent"
+    }
+}
diff --git a/detoks/src/main/java/nl/tudelft/trustchain/detoks/DeToksMainActivity.kt b/detoks/src/main/java/nl/tudelft/trustchain/detoks/DeToksMainActivity.kt
@@ -0,0 +1,14 @@
+package nl.tudelft.trustchain.detoks
+
+import android.os.Bundle
+import nl.tudelft.trustchain.common.BaseActivity
+
+class DeToksActivity : BaseActivity() {
+    override val navigationGraph = R.navigation.nav_graph_detoks
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val actionBar = supportActionBar
+        actionBar!!.hide()
+    }
+}