fix crash on startup in release version

Author: btimofeev

app/build.gradle

@@ -99,6 +99,7 @@ dependencies {
     // Support libraries
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.2.1'
+    implementation "androidx.fragment:fragment:1.2.5"
     implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.recyclerview:recyclerview:1.1.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'

build.gradle

@@ -6,9 +6,9 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.2'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.10"
-        classpath "de.mannodermaus.gradle.plugins:android-junit5:1.5.2.0"
+        classpath "de.mannodermaus.gradle.plugins:android-junit5:1.6.2.0"
     }
 }