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                        /移动开发
                        
                            /Android
                        
                        /多种多样的App主界面Tab实现方法

Error: Program type already present: android.support.v4.app.ActivityCompat

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.android.support:appcompat-v7:28.0.0'
    //    testImplementation 'junit:junit:4.12'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    implementation 'com.android.support:design:28.0.0'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    implementation 'com.blankj:utilcode:1.22.10'
    implementation 'com.inkapplications.viewpageindicator:library:2.4.3'
}