Customize generated apk name

app/build.gradle

@@ -36,6 +36,21 @@ android {
         release {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            applicationVariants.all { variant ->
+                variant.outputs.all { output ->
+                    def date = new Date()
+                    def formattedDate = date.format('yyMMdd:HHmm')
+                    def appName = "PokerAnalytics"
+                    def buildType = variant.variantData.variantConfiguration.buildType.name
+                    def newName
+                    if (buildType == 'debug'){
+                        newName = "${appName}_${defaultConfig.versionName}(${defaultConfig.versionCode})_${formattedDate}_debug.apk"
+                    } else {
+                        newName = "${appName}_${defaultConfig.versionName}(${defaultConfig.versionCode})_${formattedDate}_release.apk"
+                    }
+                    outputFileName = newName
+                }
+            }
         }
     }