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Black Screen over video call. #177

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wizhob2020 opened this issue Sep 8, 2020 · 40 comments
Closed

Black Screen over video call. #177

wizhob2020 opened this issue Sep 8, 2020 · 40 comments

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@wizhob2020
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After doing all setup of Agora SDK in my (Flutter )project all things are working, except video screen. i.e I got channel info as well as broad cast id. even sound , but video are black.
@LichKing-2234
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is our demo working?

@vitulgoyani
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same black screen issue I added that you suggest in note.txt but after in release APK black screen is in video call

@vitulgoyani
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is our demo working?

no, your demo also not working with the release APK

@umeshlakhani7170
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i have also same black screen issue when i made release APK.
i also tried that you suggest in readme.txt file
please help us.
Thank you🙏🏼

@wizhob2020
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wizhob2020 commented Sep 11, 2020 via email

@wizhob2020
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wizhob2020 commented Sep 11, 2020 via email

@plutoless
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plutoless commented Sep 13, 2020 •
edited

@wizhob2020 echo happens usually when you have two devices join the same channel and they are too close. i believe it's different issue.

@LichKing-2234
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@vitulgoyani
I have test our demo, it works when released.
https://github.com/AgoraIO-Community/Agora-Flutter-Quickstart/tree/master

by the way, make sure your version is > 3.0.1-dev.5

@umeshlakhani7170
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in your git tutorial demo, i think are you use 3.0.1-dev.7 version. and by your suggestion i also try 3.0.1-dev.5 version but same problem black screen at video calling screen.

@LichKing-2234
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@umeshlakhani7170 could you release our demo to apk file? Then I can test it.

@umeshlakhani7170
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This is release APK with this command -> flutter build apk --release

https://sendgb.com/VZlAKMiPewo

@LichKing-2234
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@umeshlakhani7170 seem like the consumer-rules.pro not work. could you pls check is the file exists? locate to agora_rtc_engine/android/consumer-rules.pro

@LichKing-2234
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LichKing-2234 commented Sep 14, 2020 •
edited

if it not work, you can add these to your app/proguard-rules.pro

-keepattributes *Annotation*
-keep class kotlin.** { *; }
-keep class org.jetbrains.** { *; }

-keep class io.agora.**{*;}

@umeshlakhani7170
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@umeshlakhani7170 seem like the consumer-rules.pro not work. could you pls check is the file exists? locate to agora_rtc_engine/android/consumer-rules.pro

  • This file not in your github demo code

@umeshlakhani7170
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umeshlakhani7170 commented Sep 14, 2020 •
edited

if it not work, you can add these to your app/proguard-rules.pro

-keepattributes *Annotation*
-keep class kotlin.** { *; }
-keep class org.jetbrains.** { *; }

-keep class io.agora.**{*;}

i added this code in your demo app/proguard-rules.pro and made one release APK that not work 😥

@LichKing-2234
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@umeshlakhani7170 could you provide your demo project?

@LichKing-2234
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@umeshlakhani7170
you should refer to this doc to config proguard.
https://developer.android.com/studio/build/shrink-code#enable

@umeshlakhani7170
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video_conference_demo-master.zip

@LichKing-2234
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@umeshlakhani7170
you miss flutter proguard config.

## Flutter wrapper
-keep class io.flutter.app.** { *; }
-keep class io.flutter.plugin.**  { *; }
-keep class io.flutter.util.**  { *; }
-keep class io.flutter.view.**  { *; }
-keep class io.flutter.**  { *; }
-keep class io.flutter.plugins.**  { *; }
-dontwarn io.flutter.embedding.**

@umeshlakhani7170
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umeshlakhani7170 commented Sep 14, 2020 •
edited

@umeshlakhani7170
you miss flutter proguard config.

## Flutter wrapper
-keep class io.flutter.app.** { *; }
-keep class io.flutter.plugin.**  { *; }
-keep class io.flutter.util.**  { *; }
-keep class io.flutter.view.**  { *; }
-keep class io.flutter.**  { *; }
-keep class io.flutter.plugins.**  { *; }
-dontwarn io.flutter.embedding.**

This is grate help 👍🏼 Thank you.

@LichKing-2234 LichKing-2234 mentioned this issue Sep 15, 2020
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@wizhob2020
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wizhob2020 commented Sep 15, 2020 via email

@wizhob2020
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wizhob2020 commented Sep 15, 2020 via email •
edited by LichKing-2234

@LichKing-2234
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@wizhob2020 What is your problem? getting too much echo on the
recipient side? are video and audio works?

@wizhob2020
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wizhob2020 commented Sep 15, 2020 via email

@wizhob2020
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wizhob2020 commented Sep 15, 2020 via email

@manyopensource
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Seven days ago encountered the same black screen issue! If nothing has changed since then I believe it's still there!

@wizhob2020
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wizhob2020 commented Sep 15, 2020 via email •
edited by LichKing-2234

@LichKing-2234
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@wizhob2020 @manyopensource black screen only on release mode?

@LichKing-2234
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Our demo works fine whatever debug or release, you can clone and try it.

@LichKing-2234 LichKing-2234 mentioned this issue Sep 15, 2020
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@LichKing-2234
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@wizhob2020 Sorry, your project is too large. any log when black screen? such as:

E/flutter (27900): [ERROR:flutter/lib/ui/ui_dart_state.cc(166)] Unhandled Exception: PlatformException(error, Incomplete hierarchy for class AgoraRtcEnginePlugin, unresolved classes [io.flutter.embedding.engine.plugins.FlutterPlugin, io.flutter.plugin.common.MethodChannel.MethodCallHandler, io.flutter.plugin.common.EventChannel.StreamHandler], null)
E/flutter (27900): #0      StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:572)
E/flutter (27900): #1      MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:161)
E/flutter (27900): <asynchronous suspension>
E/flutter (27900): #2      RtcEngine.createWithAreaCode (package:agora_rtc_engine/src/rtc_engine.dart:88)
E/flutter (27900): <asynchronous suspension>
E/flutter (27900): #3      AgoraInit._initAgoraRtcEngine (package:streaming_platform/controller/stream_ininialize.dart:20)
E/flutter (27900): <asynchronous suspension>
E/flutter (27900): #4      AgoraInit.init (package:streaming_platform/controller/stream_ininialize.dart:10)
E/flutter (27900): <asynchronous suspension>

@wizhob2020
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wizhob2020 commented Sep 15, 2020 via email

@wizhob2020
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wizhob2020 commented Sep 16, 2020 via email

@LichKing-2234
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@wizhob2020 I need the log from your logcat, and your device android version.

@LichKing-2234
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@wizhob2020 why add debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia;?
our SDK only supports Android and iOS now. remove this line will work.

@wizhob2020
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wizhob2020 commented Sep 17, 2020 via email

@LichKing-2234 LichKing-2234 mentioned this issue Jan 13, 2021
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@Hassanmsaid
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Make sure to enable your local video after joining the channel

_engine.enableLocalVideo(true);

@lohnsonok
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lohnsonok commented Jul 7, 2021 •
edited

Make sure to enable your local video after joining the channel

_engine.enableLocalVideo(true);

Working for me. Thank you

@KhalidScrypt
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Issue is closed but I had another case with Black screen and couldn't find any solution on internet.
Make sure you're not building the views widget RtcLocalView.SurfaceView() or RtcRemoteView.SurfaceView() before you finish the initialization.
When following the example in Agora.io blog, I just had to add:
initialized ? _viewRows() : Container( height: MediaQuery.of(context).size.height, child: Center(child: CupertinoActivityIndicator()), ),

@JittuPrimo
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Make sure you have allow camera permission.

@ahmedelmwafy
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Make sure the Uid in Rtc remote view is the same with the user went live and the user joined to live

RtcRemoteView.SurfaceView( uid: uid, channelId:channelId, )

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