Updated build tools and libraries

app/build.gradle

@@ -23,7 +23,7 @@ android {
             }
         }
 
-        ndkVersion "21.4.7075529"
+        //ndkVersion "21.4.7075529"
         ndk {
             // https://developer.android.com/ndk/guides/abis.html#sa
             abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
@@ -51,7 +51,6 @@ android {
     buildTypes {
         release {
             minifyEnabled = true
-            useProguard = true
             proguardFiles.add(file('proguard-rules.pro'))
             signingConfig signingConfigs.release
             buildConfigField "boolean", "PLAY_STORE_RELEASE", "false"
@@ -60,7 +59,6 @@ android {
         }
         play {
             minifyEnabled = true
-            useProguard = true
             signingConfig signingConfigs.release
             proguardFiles.add(file('proguard-rules.pro'))
             buildConfigField "boolean", "PLAY_STORE_RELEASE", "true"
@@ -69,7 +67,6 @@ android {
         }
         debug {
             minifyEnabled = true
-            useProguard = true
             proguardFiles.add(file('proguard-rules.pro'))
             buildConfigField "boolean", "PLAY_STORE_RELEASE", "false"
             buildConfigField "String", "HOSTS_FILE_URI", "\"https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts\""
@@ -87,7 +84,7 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
     // https://developer.android.com/jetpack/androidx/releases/
-    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.preference:preference:1.1.1'

build.gradle

@@ -9,7 +9,7 @@ buildscript {
         // http://tools.android.com/tech-docs/new-build-system/gradle-experimental
         // https://bintray.com/android/android-tools/com.android.tools.build.gradle-experimental/view
         // https://bintray.com/android/android-tools/com.google.gms.google-services/view
-        classpath 'com.android.tools.build:gradle:4.2.1'
+        classpath 'com.android.tools.build:gradle:7.0.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip