Gradel android x

android {
    compileSdkVersion 28
    buildToolsVersion "30.0.1"
    defaultConfig {
        applicationId "com.app.tesandroidx"
        minSdkVersion 18
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    useLibrary 'org.apache.http.legacy'
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.appcompat:appcompat:1.0.2'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.android.gms:play-services-maps:17.0.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'


    implementation 'androidx.cardview:cardview:1.0.0'
    implementation 'com.android.support:design:28.0.0'

    implementation 'info.vividcode.android.zxing:capture-activity:2.3.0-1.+'
    implementation 'com.journeyapps:zxing-android-embedded:3.1.0@aar'
    implementation 'com.google.zxing:core:3.0.1'
    implementation 'me.dm7.barcodescanner:zxing:1.9'
    implementation 'me.dm7.barcodescanner:zxing:1.8.4'
    implementation "com.android.support:support-v4:28.0.0"
}

=================If you make card View====
change to in layout: <br>

androidx.cardview.widget.CardView

<androidx.cardview.widget.CardView
            android:foreground="?android:attr/selectableItemBackground"
            android:clickable="true"
            android:id="@+id/mapsCard"
            android:layout_width="160dp"
            android:layout_height="160dp"
            android:layout_margin="10dp">