The scarlet letter, android: layout_width display was always tip: "Attribute android: layout_width is not allowed here"

CodePudding user response:

Android. Support is wrong

CodePudding user response:

Upstairs, android. Support is wrong, what is the meaning of this? Just into the small white, can tell me the detail? Thank you very much! I read your article, no I this problem, my development environment is the Android studio3.2.1, inside the SDK Platforms: for Android 8.1 (Oreo) and for Android 6.0 (Marshmallow); Is installed inside for android SDK Tools at the beginning of basically

CodePudding user response:

, help to have a look at ah, Android studio on for three days, the first program will encounter this kind of situation, could not go on to

CodePudding user response:

Don't know your project gradle file and error information, posted a look

CodePudding user response:

Didn't add in the configuration, build Riga

CodePudding user response:

Reinstall the Android Studio

CodePudding user response:

Implementation 'com. Android. Support. The constraint, the constraint - layout: 1.1.3'

The import?

CodePudding user response:

Brother didn't solved, I now also began to see the android, which first appeared in this problem, this is the same with you, you how was this good