compile ok with android studio

-buildDir "${topobjdir}/gradle/build/mobile/android/geckoview_example"
+buildscript {
 
 
-apply plugin: 'com.android.application'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.1.3'
+
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
 
 
-apply from: "${topsrcdir}/mobile/android/gradle/product_flavors.gradle"
+apply plugin: 'com.android.application'
 
 
 android {
 android {
-    compileSdkVersion project.ext.compileSdkVersion
+    compileSdkVersion 27
 
 
     defaultConfig {
     defaultConfig {
-        targetSdkVersion project.ext.targetSdkVersion
-        minSdkVersion project.ext.minSdkVersion
-        manifestPlaceholders = project.ext.manifestPlaceholders
+        targetSdkVersion 27
+        minSdkVersion 21
+       // manifestPlaceholders = project.ext.manifestPlaceholders
 
 
         applicationId "org.mozilla.geckoview_example"
         applicationId "org.mozilla.geckoview_example"
         versionCode 1
         versionCode 1
@@ -29,13 +47,29 @@ android {
         }
         }
     }
     }
 
 
-    project.configureProductFlavors.delegate = it
-    project.configureProductFlavors()
-}
+    flavorDimensions "abi"
 
 
+    productFlavors {
+        arm     { dimension "abi" }
+      //  aarch64 { dimension "abi" }
+    }
+}
+repositories {
+    maven {
+        url "https://maven.mozilla.org/maven2/"
+    }
+}
+ext {
+    geckoviewChannel = "nightly"
+   // geckoviewVersion = "64.0.20180927100037"
+   // geckoviewVersion = "66.0.20181231091417"
+    geckoviewVersion = "66.0.20190116093310"
+}
 dependencies {
 dependencies {
-    implementation "com.android.support:support-annotations:$support_library_version"
-    implementation "com.android.support:appcompat-v7:$support_library_version"
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
 
 
-    implementation project(path: ':geckoview')
+    armImplementation     "org.mozilla.geckoview:geckoview-${geckoviewChannel}-armeabi-v7a:${geckoviewVersion}"
+  //  aarch64Implementation "org.mozilla.geckoview:geckoview-${geckoviewChannel}-arm64-v8a:${geckoviewVersion}"
 }
 }

@@ -8,6 +8,13 @@
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
     <uses-permission android:name="android.permission.RECORD_AUDIO"/>
     <uses-permission android:name="android.permission.RECORD_AUDIO"/>
     <uses-permission android:name="android.permission.CAMERA"/>
     <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name ="android.permission.MODIFY_AUDIO_SETTINGS"/>
+    <uses-feature android:name="android.hardware.camera" />
+    <uses-feature android:name="android.hardware.camera.autofocus" />
+    <uses-feature android:name="android.hardware.camera2.full" />
+    <uses-feature android:name="android.hardware.camera2.autofocus" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.webkit.PermissionRequest" />
 
 
     <application
     <application
             android:allowBackup="true"
             android:allowBackup="true"