ERROR: Unable to resolve dependency for ':app@debug/compileClasspath':Could not resolve com.github.jd-alexander:android-flat-button:v1.1.

[Jsamouil]

here is my build.appapply plugin: 'com.android.application'

android { compileSdkVersion 29 buildToolsVersion "29.0.2" defaultConfig { applicationId "com.example.fastfoodv2" minSdkVersion 21 targetSdkVersion 29 versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' } } }

dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'androidx.appcompat:appcompat:1.1.0' implementation 'androidx.constraintlayout:constraintlayout:2.0.0-beta4' testImplementation 'junit:junit:4.13' implementation 'androidx.test.ext:junit:1.1.2-alpha03' androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0-alpha03' implementation 'com.google.firebase:firebase-analytics:17.2.2'

//Libraries
implementation 'com.google.firebase:firebase-core:17.2.2'
implementation 'com.google.firebase:firebase-database:19.2.0'
implementation 'com.rengwuxian.materialedittext:library:2.1.4'
implementation 'com.android.support:support-annotations:28.0.0'
implementation 'com.github.jd-alexander:android-flat-button:v1.1'

}

apply plugin: 'com.google.gms.google-services'

and my build.gradle // Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript { repositories { google() mavenCentral() jcenter() maven { url "https://oss.sonatype.org/content/repositories/snapshots" name 'Google' }

    maven { url 'https://maven.google.com/'
            name 'Google'
    }
}

dependencies {
    classpath 'com.android.tools.build:gradle:3.5.3'
    classpath 'com.google.gms:google-services:4.3.2'
    classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'

    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
}

}

allprojects { repositories { google() maven { url 'https:/jitpac.io' } jcenter() maven { url "https://oss.sonatype.org/content/repositories/snapshots" name 'Google'

        //task clean(type: Delete) {
        //delete rootProject.buildDir
        // }
    }

    maven {
        url 'https://maven.google.com/'
        name 'Google'
    }
}

} apply plugin: 'android-reporting'

i try everything and again libray dosent work