Error:(20,0)Could not find method compile() for arguments [file collection] - android-studio

Question

Below are my gradle files..
so here is the error which i get when i sync the project:-Error:(20, 0) Could not find method compile() for arguments [file collection] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
Open File
Following is my app gradle...
apply plugin: 'com.android.application'
android {
compileSdkVersion 20
buildToolsVersion "20.0.0"
defaultConfig {
applicationId "com.sinch.workshopskeleton"
minSdkVersion 9
targetSdkVersion 20
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:appcompat-v7:20.0.+'
compile files('libs/sinch-android-rtc-3.3.5.jar')
}
Following is my project gradle
// Top-level build file where you can add configuration options common to
all sub-projects/modules.
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.2'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
}
}
dependencies {
compile files('app/libs/sinch-android-rtc-3.11.1.jar')
}

Answer 1

Remove below lines from your project's build gradle and it will work fine.
You can add this in your app level build gradle.
dependencies {
compile files('app/libs/sinch-android-rtc-3.11.1.jar')
}