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  • 安卓预览报错 Failed to load AppCompat ActionBar with unknown error

    报错信息 :

    Render Problem
    Failed to load AppCompat ActionBar with unknown error.

    Failed to instantiate one or more classes The following classes could not be instantiated: android.support.v7.widget.AppCompatImageView (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.Toolbar (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.AppCompatTextView (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.ActionBarContextView (Open Class, Show Exception, Clear Cache) - android.support.v7.app.WindowDecorActionBar (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.ActionBarOverlayLayout (Open Class, Show Exception, Clear Cache)

    解决方案:

    1: try going to the build.gradle(module:app) file in your project, over there, change the following things:

    implementation 'com.android.support:appcompat-v7:28.0.0-alpha3'
    implementation 'com.android.support:design:28.0.0-alpha3'

    to:

    implementation 'com.android.support:appcompat-v7:28.0.0-alpha1'
    implementation 'com.android.support:design:28.0.0-alpha1

    2:同步之后,Invalid Caches/Restart

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  • 原文地址:https://www.cnblogs.com/sheseido/p/9469839.html
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