title: build gradle: Invalid variable name,Must start with a letter but was 'lib'
body: <p>[enter image description here][1]<strong>strong text</strong>[enter image description here][2]</p>
  
  <p>Im new on android ..and facing this problem to start parse server</p>
  
  <pre><code>    apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 25
      buildToolsVersion "25.0.2"
      defaultConfig {
          applicationId "com.example.yasir.jsaljlaj"
          minSdkVersion 15
          targetSdkVersion 25
          versionCode 1
          versionName "1.0"
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
  
      compile fileTree(dir: 'libs', include: ['*.jar'])
      androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
          exclude group: 'com.android.support', module: 'support-annotations'
      })
      compile 'com.android.support:appcompat-v7:25.2.0'
      compile 'com.android.support.constraint:constraint-layout:1.0.2'
      testCompile 'junit:junit:4.12'
      compile 'com.parse:parse-android:1.13.3'
      compile 'com.parse.bolts:bolts-tasks:1.4.0'
      compile 'com.parse.bolts:bolts-applinks:1.4.0'
      compile fileTree(dir: 'libs', include: ['*.jar'])
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:appcompat-v7:23.3.0'
      compile fileTree(dir:’libs’,include:[‘*.jar’])
  }
  </code></pre>
  
  <p>and this is the error</p>
  
  <p>Error:(37, 0) startup failed:
  build file 'C:\Users\yasir\Downloads\Jsaljlaj\app\build.gradle': 37: Invalid variable name. Must start with a letter but was: ’libs’
  . At [37:26]  @ line 37, column 26.
         compile fileTree(dir:’libs’,include:[‘*.jar’])
                              ^</p>
  
  <p>1 error</p>
  
  <p>Open File</p>