Rudimentary migration of findbugs to spotbugs

.github/workflows/android.yml

@@ -23,5 +23,5 @@ jobs:
       run: ./gradlew lintRelease
     - name: Run unit tests
       run: ./gradlew testReleaseUnitTest
-    - name: FindBugs
-      run: ./gradlew findbugs
+    - name: SpotBugs
+      run: ./gradlew spotbugs

app/build.gradle

@@ -1,9 +1,13 @@
-apply plugin: 'com.android.application'
-apply plugin: 'findbugs'
+import com.github.spotbugs.snom.SpotBugsTask
 
-findbugs {
-    sourceSets = []
+apply plugin: 'com.android.application'
+apply plugin: 'com.github.spotbugs'
+
+spotbugs {
     ignoreFailures = false
+    effort = 'max'
+    excludeFilter = file("./config/spotbugs/exclude.xml")
+    reportsDir = file("$buildDir/reports/spotbugs/")
 }
 
 android {
@@ -73,18 +77,14 @@ dependencies {
     testImplementation 'org.robolectric:robolectric:4.0.2'
 }
 
-task findbugs(type: FindBugs, dependsOn: 'assembleDebug') {
+tasks.withType(SpotBugsTask) {
 
-    description 'Run findbugs'
+    description 'Run spotbugs'
     group 'verification'
 
-    classes = fileTree('build/intermediates/javac/debug/compileDebugJavaWithJavac/classes')
-    source = fileTree('src/main/java')
-    classpath = files()
-
-    effort = 'max'
-
-    excludeFilter = file("./config/findbugs/exclude.xml")
+    //classes = fileTree('build/intermediates/javac/debug/compileDebugJavaWithJavac/classes')
+    //source = fileTree('src/main/java')
+    //classpath = files()
 
     reports {
         xml.enabled = false

app/config/spotbugs/exclude.xml

@@ -1,4 +1,4 @@
-<FindBugsFilter>
+<SpotBugsFilter>
 
     <Match>
         <Class name="~.*R\$.*"/>
@@ -7,4 +7,4 @@
         <Class name="~.*Manifest\$.*"/>
     </Match>
 
-</FindBugsFilter>
+</SpotBugsFilter>

build.gradle

@@ -5,10 +5,12 @@ buildscript {
         google()
         jcenter()
         maven { url "https://jitpack.io" }
+        maven { url "https://plugins.gradle.org/m2/" }
     }
 
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.6.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -20,6 +22,7 @@ allprojects {
         google()
         jcenter()
         maven { url "https://jitpack.io" }
+        maven { url "https://plugins.gradle.org/m2/" }
     }
 }