Remove unused code.

cloudwebrtc · cloudwebrtc · commit bc87694dc4b9 · 2019-03-30T13:13:48.000+08:00
diff --git a/android/src/main/java/com/cloudwebrtc/webrtc/FlutterRTCVideoRenderer.java b/android/src/main/java/com/cloudwebrtc/webrtc/FlutterRTCVideoRenderer.java
@@ -1,6 +1,5 @@
 package com.cloudwebrtc.webrtc;
 
-import android.content.Context;
 import android.util.Log;
 import android.graphics.SurfaceTexture;
 
diff --git a/android/src/main/java/com/cloudwebrtc/webrtc/PeerConnectionObserver.java b/android/src/main/java/com/cloudwebrtc/webrtc/PeerConnectionObserver.java
@@ -1,12 +1,9 @@
 package com.cloudwebrtc.webrtc;
 
 import java.io.UnsupportedEncodingException;
-import java.lang.ref.SoftReference;
 import java.nio.ByteBuffer;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
-import java.util.List;
 import java.util.Map;
 
 import android.util.Base64;
@@ -24,7 +21,6 @@
 import org.webrtc.MediaStreamTrack;
 import org.webrtc.PeerConnection;
 import org.webrtc.RtpReceiver;
-import org.webrtc.RtpTransceiver;
 import org.webrtc.StatsObserver;
 import org.webrtc.StatsReport;
 import org.webrtc.VideoTrack;
@@ -46,24 +42,6 @@ class PeerConnectionObserver implements PeerConnection.Observer, EventChannel.St
     EventChannel eventChannel;
     EventChannel.EventSink eventSink;
 
-    /*
-        Map<String, Object> event = new HashMap<>();
-        event.put("event", "onSomeEvent");
-        event.put("param1", 111);
-        event.put("width", 176);
-        event.put("height", 144);
-        nativeToDartEventSink.success(event);
-     */
-
-    /**
-     * The <tt>StringBuilder</tt> cache utilized by {@link #statsToJSON} in
-     * order to minimize the number of allocations of <tt>StringBuilder</tt>
-     * instances and, more importantly, the allocations of its <tt>char</tt>
-     * buffer in an attempt to improve performance.
-     */
-    private SoftReference<StringBuilder> statsToJSONStringBuilder
-        = new SoftReference(null);
-
     PeerConnectionObserver(FlutterWebRTCPlugin plugin, String id) {
         this.plugin = plugin;
         this.id = id;
diff --git a/example/lib/src/get_display_media_sample.dart b/example/lib/src/get_display_media_sample.dart
@@ -31,7 +31,7 @@ class _GetDisplayMediaSampleState extends State<GetDisplayMediaSample> {
     if (_inCalling) {
       _hangUp();
     }
-    _timer.cancel();
+    if(_timer != null) _timer.cancel();
     _localRenderer.dispose();
   }
 

Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ class _GetDisplayMediaSampleState extends State<GetDisplayMediaSample> {`
`31`	`31`	`if (_inCalling) {`
`32`	`32`	`_hangUp();`
`33`	`33`	`}`
`34`		`- _timer.cancel();`
	`34`	`+ if(_timer != null) _timer.cancel();`
`35`	`35`	`_localRenderer.dispose();`
`36`	`36`	`}`
`37`	`37`