在运行Android的例子时总会出现这样的问题

Question

Information:Gradle tasks [:ImageSwitcherTest:assembleDebug]Error:C:\Users\XK\AndroidStudioProjects\MyApplication\ImageSwitcherTest\build\intermediates\instant-run-support\debug\slice_7\AndroidManifest.xml:2 attribute 'android:versionCode' not foundError:failed processing manifestError:C:\Users\XK\AndroidStudioProjects\MyApplication\ImageSwitcherTest\build\intermediates\instant-run-support\debug\slice_6\AndroidManifest.xml:2 attribute 'android:versionCode' not foundError:failed processing manifestError:C:\Users\XK\AndroidStudioProjects\MyApplication\ImageSwitcherTest\build\intermediates\instant-run-support\debug\slice_5\AndroidManifest.xml:2 attribute 'android:versionCode' not foundError:failed processing manifestError:Execution failed for task ':ImageSwitcherTest:transformDexWithInstantRunSlicesApkForDebug'.> java.lang.RuntimeException: com.android.ide.common.process.ProcessException: Failed to execute aaptInformation:BUILD FAILED in 16sInformation:7 errorsInformation:0 warningsInformation:See complete output in console

Answer 1

看错误：AndroidManifest.xml attribute 'android:versionCode' not found

这个属性未找到