use firefox geckoview

@@ -21,17 +21,30 @@ android {
         targetCompatibility 1.8
         sourceCompatibility 1.8
     }
+    flavorDimensions "abi"
+
+    productFlavors {
+        arm     { dimension "abi" }
+        //  aarch64 { dimension "abi" }
+    }
+}
+
+ext {
+    geckoviewChannel = "nightly"
+    // geckoviewVersion = "64.0.20180927100037"
+    // geckoviewVersion = "66.0.20181231091417"
+    geckoviewVersion = "66.0.20190116093310"
 }
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:26.1.0'
-    implementation 'com.android.support:design:26.1.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
-    implementation 'com.android.support:support-vector-drawable:26.1.0'
-    implementation 'org.webrtc:google-webrtc:1.0.+'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:design:27.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'com.android.support:support-vector-drawable:27.1.0'
   //  testImplementation 'junit:junit:4.12'
   //  androidTestImplementation 'com.android.support.test:runner:1.0.1'
   //  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    armImplementation     "org.mozilla.geckoview:geckoview-${geckoviewChannel}-armeabi-v7a:${geckoviewVersion}"
 }
 

@@ -18,6 +18,10 @@
             </intent-filter>
         </activity>
     </application>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
     <uses-permission android:name ="android.permission.RECORD_AUDIO"/>
     <uses-permission android:name ="android.permission.MODIFY_AUDIO_SETTINGS"/>
     <uses-permission android:name="android.permission.CAMERA" />

@@ -7,6 +7,7 @@ import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.SystemClock;
 import android.support.annotation.NonNull;
 import android.support.design.widget.BottomNavigationView;
 import android.support.v4.app.ActivityCompat;
@@ -15,22 +16,24 @@ import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.MenuItem;
 import android.view.View;
-import android.webkit.ConsoleMessage;
-import android.webkit.PermissionRequest;
-import android.webkit.WebChromeClient;
-import android.webkit.WebSettings;
-import android.webkit.WebView;
-import android.webkit.WebViewClient;
+import org.mozilla.geckoview.GeckoRuntime;
+import org.mozilla.geckoview.GeckoSession;
+import org.mozilla.geckoview.GeckoView;
 
 import com.xuedianyun.cloudclass.R;
 
+import java.util.Locale;
+
 public class MainActivity extends AppCompatActivity {
     private static final int CAMERA_REQUEST = 1888;
 
-    private WebView mWebView;
+    private GeckoView mWebView;
+    private GeckoSession mSession;
     //private String mCustomURL = "https://pclive.xuedianyun.com/pcBase/agora/";
     private String mCustomURL = "https://webrtc.github.io/samples/src/content/devices/input-output/";
     private String mWebrtcURL = "https://janus.conf.meetecho.com/videoroomtest.html";
+    private String mUrl;
+    private static final int REQUEST_PERMISSIONS = 2;
 
     private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
             = new BottomNavigationView.OnNavigationItemSelectedListener() {
@@ -39,16 +42,18 @@ public class MainActivity extends AppCompatActivity {
         public boolean onNavigationItemSelected(@NonNull MenuItem item) {
             switch (item.getItemId()) {
                 case R.id.navigation_custom:
-                    mWebView.loadUrl(mCustomURL);
+                    mUrl = mCustomURL;
+                    mSession.loadUri(mUrl);
                     return true;
                 case R.id.navigation_webrtc:
-                    mWebView.loadUrl(mWebrtcURL);
+                    mUrl = mWebrtcURL;
+                    mSession.loadUri(mUrl);
                     return true;
                 case R.id.navigation_refresh:
-                    mWebView.reload();
+                    mSession.reload();
                     return true;
                 case R.id.navigation_open:
-                    openBrowserWithURL(mWebView.getUrl());
+                    openBrowserWithURL(mUrl);
                     return true;
             }
             return false;
@@ -84,6 +89,12 @@ public class MainActivity extends AppCompatActivity {
 
                 return;
             }
+            case REQUEST_PERMISSIONS: {
+                final ExamplePermissionDelegate permission = (ExamplePermissionDelegate)
+                        mSession.getPermissionDelegate();
+                permission.onRequestPermissionsResult(permissions, grantResults);
+                return;
+            }
 
             // other 'case' lines to check for other
             // permissions this app might request
@@ -92,40 +103,17 @@ public class MainActivity extends AppCompatActivity {
 
     private void createWebView() {
 
-        mWebView = (WebView) findViewById(R.id.webview);
-        setUpWebViewDefaults(mWebView);
-        mWebView.loadUrl(mCustomURL);
-        mWebView.setWebChromeClient(new WebChromeClient() {
-
-            public boolean onConsoleMessage(ConsoleMessage m) {
-                Log.d("getUserMedia, WebView", m.message() + " -- From line "
-                        + m.lineNumber() + " of "
-                        + m.sourceId());
-
-                return true;
-            }
-
-            @Override
-            public void onPermissionRequest(final PermissionRequest request) {
-
-                // getActivity().
-                MainActivity.this.runOnUiThread(new Runnable() {
-                    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-                    @Override
-                    public void run() {
-                        // Below isn't necessary, however you might want to:
-                        // 1) Check what the site is and perhaps have a blacklist
-                        // 2) Have a pop up for the user to explicitly give permission
-                        //if(request.getOrigin().toString().equals("https://pclive.xuedianyun.com/") ||
-                       //         request.getOrigin().toString().equals("https://janus.conf.meetecho.com/")) {
-                            request.grant(request.getResources());
-                       // } else {
-                      //      request.deny();
-                      // }
-                    }
-                });
-            }
-        });
+        mWebView = (GeckoView) findViewById(R.id.webview);
+        mSession = new GeckoSession();
+        GeckoRuntime runtime = GeckoRuntime.create(this);
+
+        mSession.open(runtime);
+        mWebView.setSession(mSession);
+        mUrl = mCustomURL;
+        final ExamplePermissionDelegate permission = new ExamplePermissionDelegate();
+        permission.androidPermissionRequestCode = REQUEST_PERMISSIONS;
+        mSession.setPermissionDelegate(permission);
+        mSession.loadUri(mUrl);
     }
 
     private void checkForAndAskForPermissions() {
@@ -160,30 +148,89 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
-    private void setUpWebViewDefaults(WebView webView) {
 
-        WebSettings settings = webView.getSettings();
-        settings.setJavaScriptEnabled(true);
+    private class ExamplePermissionDelegate implements GeckoSession.PermissionDelegate {
+
+        public int androidPermissionRequestCode = 1;
+        private Callback mCallback;
+
+        public void onRequestPermissionsResult(final String[] permissions,
+                                               final int[] grantResults) {
+            if (mCallback == null) {
+                return;
+            }
+
+            final Callback cb = mCallback;
+            mCallback = null;
+            for (final int result : grantResults) {
+                if (result != PackageManager.PERMISSION_GRANTED) {
+                    // At least one permission was not granted.
+                    cb.reject();
+                    return;
+                }
+            }
+            cb.grant();
+        }
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
-            webView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+        @Override
+        public void onAndroidPermissionsRequest(final GeckoSession session, final String[] permissions,
+                                                final Callback callback) {
+            if (Build.VERSION.SDK_INT >= 23) {
+                // requestPermissions was introduced in API 23.
+                mCallback = callback;
+                requestPermissions(permissions, androidPermissionRequestCode);
+            } else {
+                callback.grant();
+            }
         }
 
-        settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
-        settings.setAllowContentAccess(true);
-        settings.setAllowFileAccessFromFileURLs(true);
-        settings.setAllowUniversalAccessFromFileURLs(true);
-        settings.setJavaScriptCanOpenWindowsAutomatically(true);
-        settings.setMediaPlaybackRequiresUserGesture(false);
+        @Override
+        public void onContentPermissionRequest(final GeckoSession session, final String uri,
+                                               final int type, final Callback callback) {
+            final int resId;
+    /*        if (PERMISSION_GEOLOCATION == type) {
+                resId = R.string.request_geolocation;
+            } else if (PERMISSION_DESKTOP_NOTIFICATION == type) {
+                resId = R.string.request_notification;
+            } else if (PERMISSION_AUTOPLAY_MEDIA == type) {
+                resId = R.string.request_autoplay;
+            } else {
+                Log.w(LOGTAG, "Unknown permission: " + type);
+                callback.reject();
+                return;
+            }
 
-        // Enable remote debugging via chrome://inspect
-        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            WebView.setWebContentsDebuggingEnabled(true);
+            final String title = getString(resId, Uri.parse(uri).getAuthority());
+            final BasicGeckoViewPrompt prompt = (BasicGeckoViewPrompt)
+                    mGeckoSession.getPromptDelegate();
+            prompt.onPermissionPrompt(session, title, callback);*/
+            callback.grant();
         }
 
-        webView.clearCache(true);
-        webView.clearHistory();
-        webView.setWebViewClient(new WebViewClient());
+        @Override
+        public void onMediaPermissionRequest(final GeckoSession session, final String uri,
+                                             final MediaSource[] video, final MediaSource[] audio,
+                                             final MediaCallback callback) {
+        /*    final String host = Uri.parse(uri).getAuthority();
+            final String title;
+            if (audio == null) {
+                title = getString(R.string.request_video, host);
+            } else if (video == null) {
+                title = getString(R.string.request_audio, host);
+            } else {
+                title = getString(R.string.request_media, host);
+            }
+
+            String[] videoNames = normalizeMediaName(video);
+            String[] audioNames = normalizeMediaName(audio);
+
+            final BasicGeckoViewPrompt prompt = (BasicGeckoViewPrompt)
+                    mGeckoSession.getPromptDelegate();
+            prompt.onMediaPrompt(session, title, video, audio, videoNames, audioNames, callback);*/
+        MediaSource v = video.length > 0 ? video[0] : null;
+        MediaSource a = video.length > 0 ? audio[0]:null;
+        callback.grant(v,a);
+        }
     }
 
     private void openBrowserWithURL(String url) {

@@ -19,7 +19,7 @@
         app:layout_constraintRight_toRightOf="parent"
         app:menu="@menu/navigation" />
 
-    <WebView
+    <org.mozilla.geckoview.GeckoView
         android:id="@+id/webview"
         android:layout_width="fill_parent"
         android:layout_height="fill_parent" />

@@ -19,6 +19,9 @@ allprojects {
     repositories {
         google()
         jcenter()
+        maven {
+            url "https://maven.mozilla.org/maven2/"
+        }
     }
 }