Errors in android Studio, does not recognize CardView

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Please, I have this error for several hours, the card view support appears in red, and another thing, the folder .gradle, thanks also appears in yellow.

    
asked by Juan David 06.03.2018 в 04:37
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1 answer

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Add the dependency related to CardView in your file build.gradle , you probably need the dependency of the library of design (design). 

dependencies {

    compile 'com.android.support:cardview-v7:26.1.0'
    compile 'com.android.support:design:26.1.0'

}

Then synchronize your project with the gradle files.

    
answered by 06.03.2018 в 16:17
In Webview as it is centered on the width of the screen Modify height function