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Android studio 311/13/2023 ![]() ![]() Clicking the Gradle update link and re-syncing Gradle should resolve that error. A minimum supported Gradle error may be seen after an update from a repository. If the version number of a library is increased in the dependencies section of the app's adle file then a Failed to resolve error may be displayed:Ĭlick the Add Google Maven repository and sync project link in the error message for the project to get the updated dependency. Updating DependenciesĪn app may need to link to a newer version of a library, e.g. Again use the Sync Project with Gradle Files option under Android from the Tools menu when the SDK version values are changed. The minSdkVersion, targetSdkVersion and compileSDKVersion are changed in the app's adle file (in the app directory in the project tree). Likewise to support new Android Oreo (API 26) features the targetSdkVersion and compileSDKVersion is set to at least 26. This means minSdkVersion would need setting to 14 at least. For example, at the time of writing Admob for Android only supports Android API 14 (Ice Cream Sandwich) and later. If libraries drop support for older versions of Android then minSdkVersion will need to be increased. Opening projects in newer versions of Studio may require updates to the minSdkVersion, targetSdkVersion and compileSDKVersion settings. Manifest Merger Failed Error, Change SDK Version Numbers This is reflected in the build-tools directory under the Android SDK install location. Use the SDK Tools tab and the Show Package Details check box to see the Build Tools versions installed. To see the build tools installed use the SDK Manager, opened via the toolbar icon. Use the Sync Project with Gradle Files option under Android from the Tools menu. The project can then be synced with the updated adle. To fix this message delete the buildToolsVersion line from the app's adle file. A message will displayed to indicate this: Therefore, the adle for the app does not need the buildToolsVersion line. The Studio Gradle build tools now default to a specific version. See the next section on resolving that error. The Messages tab will then display a link:įix Gradle wrapper and re-import project Gradle settingsĬlick the link and watch the bottom status bar for progress.Īn Android SDK Build Tools error message may display. If no link exists it will just display a minimum supported Gradle error message: The Studio Messages screen (selected using the bottom tabs above the bottom status bar) will contain a link to fix the problem. editing, debugging) will not work properly. When opening an old Studio project it will have been configured with a previous version of the Gradle build tools. This is useful to see if an action is being performed and you need to wait for it to finish before continuing. Tip: When Android Studio is performing an action on a project the bottom status bar will show messages. This article is retained for archive purposes only. Update: Android Studio is now on version 4 and later, some of the issues in this article no longer apply. This article gives some help in fixing issues that occur when opening previous Android projects in a new version of Android Studio. ![]() This may mean that a project that opened, built and ran in a previous version of Studio now shows error messages and may fail to build in a newer version of Studio. These changes can affect the build tools, Gradle based build system configuration, the Studio IDE, and the installed libraries. This means updates to the Android Software Development Kit (SDK) and the Android Studio Integrated Development Environment (IDE) happen often.Įach release or update to Android Studio brings changes that can affect existing projects. The Android Operating System (OS) is constantly evolving due to bug fixes, security updates, new Android versions and features, and support for new hardware. ![]()
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