

Recently, when I open android studio to develop an android project, I find a red underline in the layout.xml file(4).How To Change Android Studio Minimum Android SDK Version In Existing Android Project. This time the adle file will be changed by android studio automatically.Click the ” Build -> Rebuild Project ” menu item to rebuild the android project.Click the OK button to save the selection.Then you can select your desired android Min Sdk Version and Target Sdk Version from the related dropdown list on the right side.Select the tab Flavors on the right panel, click the defaultConfig item in the dialog center list area.

In the Project Structure dialog, select the app item in the Modules list on the left side.

