Update Android Studio 3.0, you encountered a bug?

Today, I updated Android Studio to 3.0, ran through the previous project, and encountered the following 6 potholes, which are summarized here.

• Android Studio 3.0, the project SDK environment must be 26 or above. So:

  compileSdkVersion 26
  buildToolsVersion "26.0.2"
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• Gradle version, 3.0 or higher. So:

  classpath 'com. Android. Tools. Build: gradle: 3.0.1'
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• Error:All flavors must now belong to a named flavor Dimension

  Build. Gradle in the main app

  DefaultConfig {targetSdkVersion: *** minSdkVersion: *** versionCode: *** versionName: ***// The flavor Dimension is the same as the version number
   flavorDimensions "versionCode"
  }
  
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• Error: style attribute ‘@ android: attr/windowEnterAnimation’ not found

  * * error: style attribute ‘@ android: attr/windowExitAnimation’ not found. * * these two errors, copy of settlement:

  In the Project/gradle. Add android properties. EnableAapt2 = false

• The project is imported without obvious errors. But when you click on the Run app, a screen appears with a red message below: Please select Android SDK, not working

  Solution: File > Project Structure > SDK Location > Use Embedded JDK(recommended) check

• Error Running app:No target device found. Error Running app:No target device found What to do? The solution is simple:

  View > Tool Windows > Android Profilter

  Android Profilter was not started during Android Studio initialization and could not identify the device connected to the USB cable.