copy libweexcore.so and libweexjss.so to libs automatically (#2280)

android/sdk/build.gradle

@@ -380,3 +380,43 @@ bintray {
         }
     }
 }
+
+def copy_so_and_backup() {
+    def cpu_list = ["armeabi", "armeabi-v7a", "x86"]
+    cpu_list.forEach { cpu_name ->
+        File so_file = new File(project.buildDir, "/intermediates/bundles/default/jni/" + cpu_name)
+        if (so_file.exists()) {
+            println(so_file.getAbsolutePath())
+            copy {
+                from so_file.getAbsolutePath()
+                into new File("libs/" + cpu_name)
+                include 'libweexjss.so', 'libweexcore.so'
+            }
+
+            if(cpu_name == "armeabi") {
+                File back_file = new File(project.buildDir, "/intermediates/cmake/release/obj/armeabi/")
+                //backup so to project'parent's path
+                File backup_des = new File(project.buildDir.parentFile.parentFile.parentFile.parentFile,"weex_so_armeabi")
+                if(backup_des.exists()){
+                    backup_des.deleteDir()
+                    backup_des.mkdir()
+                }
+                println(backup_des.absolutePath)
+
+                println("so backup to "+ backup_des.absolutePath)
+                copy {
+                    from back_file.getAbsolutePath()
+                    into backup_des
+                    include 'libweexjss.so', 'libweexcore.so'
+                }
+            }
+        }
+    }
+}
+
+afterEvaluate { project ->
+    project.tasks.find { (it.name.contains("assembleRelease")) }?.doLast {
+        println("begin_copy_so")
+        copy_so_and_backup()
+    }
+}