Android Apps Source Code

First in your JSON file Replace "api_key" : [] with "api_key" : [{ "current_key" : "" }] Then the gradle build will be successful but when you run your application you may get errors like the following.. Error : Execution failed for task ':app:transformResourcesWithMergeJavaResForDebug' . > com . android . build . api . transform . TransformException : com . android . builder . packaging . DuplicateFileException : Duplicate files copied in APK META - INF / LICENSE File1 : C : \Users\bucky\.gradle\caches\modules - 2 \files - 2.1 \com . fasterxml . jackson . core\jackson - core\2 . 2.2 \d 20be6a5ddd6f8cfd36ebf6dea329873a1c41f1b \jackson - core - 2.2 . 2.jar File2 : C : \Users\bucky\.gradle\caches\modules - 2 \files - 2.1 \com . fasterxml . jackson . core\jackson - databind\2 . 2.2 \3c8f6018eaa72d43b261181e801e6f8676c16ef6\jackson - databind - 2.2 . 2.jar File3 : C : \Users\bucky\.gradle\caches\mod

The google-services.json file is generally placed in the app/ directory,  but as of version 2.0.0-alpha3 of the plugin support was added for build types , which would make the following directory structure valid: app / src / main / google - services . json dogfood / google - services . json mytype1 / google - services . json mobilesdk_app_id : At the following page:  https://developers.google.com/mobile/add?platform=android&cntapi=signin&cntapp=Default%20Demo%20App&cntpkg=com.google.samples.quickstart.signin&cnturl=https:%2F%2Fdevelopers.google.com%2Fidentity%2Fsign-in%2Fandroid%2Fstart%3Fconfigured%3Dtrue&cntlbl=Continue%20with%20Try%20Sign-In You can create a new project and add services to it. This website will automatically generate a google-services.json file for your new project.

Error:Cause: org.gradle.api.internal.tasks.DefaultTaskInputs$TaskInputUnionFileCollection cannot be cast to org.gradle.api.internal.file.collections.DefaultConfigurableFileCollection Possible causes for this unexpected error include: Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.) Re-download dependencies and sync project (requires network) The state of a Gradle build process (daemon) may be corrupt. Stopping all Gradle daemons may solve this problem. Stop Gradle build processes (requires restart) Your project may be using a third-party plugin which is not compatible with the other plugins in the project or the version of Gradle requested by the project. In the case of corrupt Gradle processes, you can also try closing the IDE and then killing all Java processes. Solutions: Upgrade your gradle build tools to the latest version. One easy way to do this is to add the latest version of the build tools as a depend

Your APK can contain content that users download but never use, like regional or language information. To create a minimal download for your users, you can segment your app into several APKs, differentiated by factors such as screen size or GPU texture support. Here are Some ways to Reduce Apk File size: Use  ProGaurd Remove any debug info  you have in the app ( statements such as Log.i()). They can be wrapped in a condition which is only enabled while testing out the application. Use  recommended media formats Image: PNG,JPG & WebP Audio: AAC Video: H264 AVC Compress images  using OptiPNG or PNGCrush Use 9patch to  scale images Find unused resources  and  remove them . Refrain using multiple resources to achieve the same functionality . The resources is not limited to images but can be extended to APIs. Sometimes, using a singular API which provide multiple results is more efficient than using two or three different APIs. Duplicated strings and assets are also