build.gradle

/*
 * Copyright 2013 Simple Finance Corporation. All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Make a copy of the built apk with the version name appended to the end of
// the file name
android.applicationVariants.all { variant ->
    variant.assemble << {
        def versionName = android.defaultConfig.versionName
        def versionNameSuffix = variant.buildType.versionNameSuffix ?: ''

        copy {
            from variant.outputFile
            into variant.outputFile.parent

            rename { String filename ->
                filename.replace('.apk', sprintf('-%s%s.apk', versionName, versionNameSuffix))
            }
        }
    }
}