Add findbugs task to main library.

library/build.gradle

 apply plugin: 'com.android.library'
 apply plugin: 'robolectric'
 apply plugin: 'maven'
+apply plugin: 'findbugs'
+findbugs {
+    toolVersion = "2.0.3"
+}
 
 dependencies {
     compile project(':third_party:gif_decoder')
@@ -29,3 +33,31 @@ android {
         versionName = VERSION_NAME
     }
 }
+
+afterEvaluate {
+    findbugsTestDebug {
+        enabled = false
+    }
+
+    task findbugs(type: FindBugs, dependsOn: assembleDebug) {
+
+        description 'Run findbugs'
+        group 'verification'
+
+        classes = fileTree('build/intermediates/classes/debug/')
+        source = fileTree('src/main/java')
+        classpath = files(project.configurations.compile.asPath)
+
+        effort = 'max'
+
+        excludeFilter = file("findbugs-exclude.xml")
+
+        reports {
+            xml.enabled = false
+            html.enabled = true
+        }
+    }
+    check.doLast {
+        tasks.getByName("findbugs").execute()
+    }
+}
\ No newline at end of file

library/findbugs-exclude.xml

+<FindBugsFilter>
+
+    <Match>
+        <Class name="~.*R\$.*"/>
+    </Match>
+    <Match>
+        <Class name="~.*Manifest\$.*"/>
+    </Match>
+
+    <!-- BytesResource is the wrapper that is given control of the data. -->
+    <Match>
+      <Class name="com.bumptech.glide.load.resource.bytes.BytesResource" />
+      <Method name="get" />
+      <Bug pattern="EI_EXPOSE_REP" />
+    </Match>
+
+    <!-- We would rather expose the internal bytes than box or copy them. -->
+    <Match>
+      <Class name="com.bumptech.glide.load.resource.bytes.BytesResource" />
+      <Bug pattern="EI_EXPOSE_REP2" />
+    </Match>
+
+    <!-- Byte array fetcher just wraps a byte array to return an InputStream, data is not mutated. -->
+    <Match>
+      <Class name="com.bumptech.glide.load.data.ByteArrayFetcher" />
+      <Bug pattern="EI_EXPOSE_REP2" />
+    </Match>
+
+    <!-- RecyclableBufferedInputStream safely re-uses pooled byte arrays -->
+    <Match>
+      <Class name="com.bumptech.glide.load.resource.bitmap.RecyclableBufferedInputStream" />
+      <Bug pattern="EI_EXPOSE_REP2" />
+    </Match>
+
+</FindBugsFilter>