Update Gradle plugin and wrapper

- Gradle wrapper 4.10.2
- Android Gradle plugin 3.2.1

Author: friederbluemle

app/build.gradle

@@ -21,7 +21,6 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
     defaultConfig {
         applicationId "com.sample"
         minSdkVersion 15
@@ -43,14 +42,13 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
     androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     implementation 'com.android.support:appcompat-v7:28.0.0'
     testImplementation 'junit:junit:4.12'
     implementation 'net.zetetic:android-database-sqlcipher:3.5.7@aar'
-    implementation "android.arch.persistence.room:runtime:1.1.1"
-    annotationProcessor "android.arch.persistence.room:compiler:1.1.1"
+    implementation 'android.arch.persistence.room:runtime:1.1.1'
+    annotationProcessor 'android.arch.persistence.room:compiler:1.1.1'
     debugImplementation project(':debug-db')
 }

app/proguard-rules.pro

@@ -1,17 +1,21 @@
 # Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in /Users/amitshekhar/Library/Android/sdk/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
+# 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
 
-# Add any project specific keep options here:
-
 # 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

build.gradle

@@ -17,27 +17,22 @@
  *
  */
 
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 

debug-db/build.gradle

@@ -21,19 +21,14 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
-
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
-
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
         resValue("string", "PORT_NUMBER", "8080")
     }
-
     buildTypes {
         release {
             minifyEnabled false
@@ -43,15 +38,14 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
     androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     testImplementation 'junit:junit:4.12'
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'net.zetetic:android-database-sqlcipher:3.5.7@aar'
-    implementation "android.arch.persistence.room:runtime:1.1.1"
+    implementation 'android.arch.persistence.room:runtime:1.1.1'
     implementation 'com.android.support:appcompat-v7:28.0.0'
 }
 
-//apply from: 'debug-db-upload.gradle'
+//apply from: 'debug-db-upload.gradle'

debug-db/proguard-rules.pro

@@ -1,24 +1,27 @@
 # Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in /Users/amitshekhar/Library/Android/sdk/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
+# 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
 
-# Add any project specific keep options here:
-
 # 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 *;
 #}
 
--keepparameternames
+# 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
--keepattributes Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,EnclosingMethod
+
+-keepparameternames
+-keepattributes Exceptions,InnerClasses,Signature,Deprecated,EnclosingMethod
 
 # Preserve all annotations.
 

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,5 @@
-#Fri Jan 18 16:59:40 IST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip