Unsolvable errors in my MainActivity

[Aurelius_Ambrosius]

Ok i have tried everything to fix these error s can anyone help me here is a screenshoot below:

Here is my build.gradle below:

apply plugin: ‘com.android.application’

android {
compileSdkVersion 21
buildToolsVersion “21.1.0”

defaultConfig {
    applicationId "com.tekconservices.licensegen"
    minSdkVersion 14
    targetSdkVersion 21
    versionCode 1
    versionName "1.0"
}
buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
}

}

dependencies {
compile fileTree(dir: ‘libs’, include: [’*.jar’])
compile ‘com.android.support:recyclerview-v7:21.0.0’
compile ‘com.android.support:support-v4:21.0.0’
compile ‘com.android.support:appcompat-v7:21.0.0’
}

[DonMarv]

You should move on and use androidide instead aide. AIDE will not be updated anymore.

[astola-studio]

The only issue i see here is, that the dependencies are not downloaded correctly. Either they are not downloaded at all, or they are corrupted while Downloading.