Base backup restore activity.

build.gradle

@@ -149,6 +149,8 @@ dependencies {
     implementation "com.fasterxml.jackson.core:jackson-databind:2.9.8"
     implementation "com.squareup.okhttp3:okhttp:3.12.1"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.fragment:fragment-ktx:1.3.0-beta01'
+    implementation 'androidx.activity:activity-ktx:1.1.0'
     implementation "nl.komponents.kovenant:kovenant:$kovenant_version"
     implementation "nl.komponents.kovenant:kovenant-android:$kovenant_version"
     implementation "com.github.lelloman:android-identicons:v11"
@@ -347,6 +349,19 @@ android {
             includeAndroidResources = true
         }
     }
+
+    buildFeatures {
+        dataBinding true
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
 }
 
 /*