This afternoon i update my sdk,then i ran my app just as usual,i got an error like this.
${dir}\[appname]-debug-androidTest-unaligned.apk does not exist on disk
i try to build and clean the project,but no use.I use android-studio.
Go to your project folder. Open ProjectName folder.
In file Your_Project_name.iml
Add if not OR check path
<option name="APK_PATH" value="/build/apk/your_app_name-debug-unaligned.apk" />
Or
<option name="APK_PATH" value="/build/outputs/apk/your_app_name-debug-unaligned.apk"/>
check this answer for more information.