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Flutter集成flutter-webrtc后构建启动前崩溃问题排查求助

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API 探路者
2026-7-26
Flutter WebRTC项目启动崩溃排查求助

我正在开发一个使用flutter-webrtc包实现WebRTC功能的Flutter项目，但应用构建完成后，启动前就发生崩溃。已在Android和iOS设备上测试，问题均存在。怀疑问题与flutter-webrtc包或WebRTC功能本身相关，附上相关配置及调试日志，恳请协助排查并找到解决方案。

Android build.gradle配置 

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 33
    ndkVersion flutter.ndkVersion

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.video_call"
        // You can update the following values to match your application needs.
        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
        minSdkVersion 23
        targetSdkVersion flutter.targetSdkVersion
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}

调试日志（部分） 

I/org.webrtc.Logging(27390): NativeLibrary: Loading native library: jingle_peerconnection_so
I/org.webrtc.Logging(27390): NativeLibrary: Loading library: jingle_peerconnection_so
I/org.webrtc.Logging(27390): PeerConnectionFactory: PeerConnectionFactory was initialized without an injected Loggable. Any existing Loggable will be deleted.
I/org.webrtc.Logging(27390): EglBase14Impl: Using OpenGL ES version 2
D/EGL_emulation(27390): eglCreateContext: 0xf1fb5450: maj 2 min 0 rcv 2
2
I/org.webrtc.Logging(27390): WebRtcAudioManagerExternal: Sample rate is set to 44100 Hz
E/org.webrtc.Logging(27390): JavaAudioDeviceModule: HW AEC not supported
E/org.webrtc.Logging(27390): JavaAudioDeviceModule: HW NS not supported
I/org.webrtc.Logging(27390): JavaAudioDeviceModule: createAudioDeviceModule
I/org.webrtc.Logging(27390): JavaAudioDeviceModule: HW NS will not be used.
I/org.webrtc.Logging(27390): JavaAudioDeviceModule: HW AEC will not be used.
I/org.webrtc.Logging(27390): WebRtcAudioEffectsExternal: ctor@[name=main, id=2]
I/org.webrtc.Logging(27390): WebRtcAudioRecordExternal: ctor@[name=main, id=2]
I/org.webrtc.Logging(27390): WebRtcAudioTrackExternal: ctor@[name=main, id=2]
I/VideoCapabilities(27390): Unsupported profile 4 for video/mp4v-es
I/org.webrtc.Logging(27390): PeerConnectionFactory: onNetworkThreadReady
I/org.webrtc.Logging(27390): PeerConnectionFactory: onSignalingThreadReady
I/org.webrtc.Logging(27390): PeerConnectionFactory: onWorkerThreadReady
I/org.webrtc.Logging(27390): EglRenderer: Initializing EglRenderer
I/org.webrtc.Logging(27390): EglRenderer: EglBase.create shared context
D/HostConnection(27390): HostConnection::get() New Host Connection established 0xf1fa14f0, tid 27440
D/HostConnection(27390): HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_YUV_Cache ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_sync_buffer_data ANDROID_EMU_read_color_buffer_dma GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_2
I/org.webrtc.Logging(27390): EglBase14Impl: Using OpenGL ES version 2
D/EGL_emulation(27390): eglCreateContext: 0xf1fa18e0: maj 2 min 0 rcv 2
W/Gralloc4(27390): allocator 3.x is not supported
I/FlutterWebRTCPlugin(27390): getUserMedia(video): ConstraintsMap{mMap={facingMode=user}}
I/CameraManagerGlobal(27390): Connecting to camera service
D/FlutterWebRTCPlugin(27390): Creating video capturer using Camera2 API.
D/FlutterWebRTCPlugin(27390): Create front camera 1 succeeded
D/EGL_emulation(27390): eglMakeCurrent: 0xf1fa18e0: ver 2 0 (tinfo 0xf22de950) (first time)
D/HostConnection(27390): HostConnection::get() New Host Connection established 0xf1fb3b60, tid 27441
D/HostConnection(27390): HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_YUV_Cache ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_sync_buffer_data ANDROID_EMU_read_color_buffer_dma GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_2
I/org.webrtc.Logging(27390): EglBase14Impl: Using OpenGL ES version 2
D/EGL_emulation(27390): eglCreateContext: 0xf1fa0290: maj 2 min 0 rcv 2
D/EGL_emulation(27390): eglMakeCurrent: 0xf1fa0290: ver 2 0 (tinfo 0xf22efad0) (first time)
E/EGL_emulation(27390): eglQueryContext 32c0  EGL_BAD_ATTRIBUTE
E/EGL_emulation(27390): tid 27441: eglQueryContext(2019): error 0x3004 (EGL_BAD_ATTRIBUTE)
I/org.webrtc.Logging(27390): CameraCapturer: startCapture: 1280x720@30
D/FlutterWebRTCPlugin(27390): changeCaptureFormat: 1280x720@30
I/org.webrtc.Logging(27390): Camera2Session: Create new camera2 session on camera 1
I/org.webrtc.Logging(27390): Camera2Session: start
D/FlutterWebRTCPlugin(27390): MediaStream id: a1f2e57a-ac2c-47ff-a5ee-6aadce72ccc1
I/org.webrtc.Logging(27390): Camera2Session: Available preview sizes: [1920x1440, 1920x1080, 1920x960, 1600x1200, 1440x1080, 1280x960, 1280x720, 1024x768, 800x600, 720x480, 640x480, 640x360, 352x288, 320x240, 176x144]
I/org.webrtc.Logging(27390): Camera2Session: Available fps ranges: [[15.0:15.0], [7.0:30.0], [15.0:30.0], [30.0:30.0]]
I/org.webrtc.Logging(27390): Camera2Session: Using capture format: 1280x720@[7.0:30.0]
I/org.webrtc.Logging(27390): Camera2Session: Opening camera 1
D/FlutterWebRTCPlugin(27390): CameraEventsHandler.onCameraOpening: cameraName=1
I/org.webrtc.Logging(27390): Camera2Session: Camera opened.
I/org.webrtc.Logging(27390): Camera2Session: Camera capture session configured.
I/org.webrtc.Logging(27390): Camera2Session: Stabilization not available.
I/org.webrtc.Logging(27390): Camera2Session: Using continuous video auto-focus.
I/org.webrtc.Logging(27390): Camera2Session: Camera device successfully started.
I/org.webrtc.Logging(27390): CameraCapturer: Create session done. Switch state: IDLE
I/org.webrtc.Logging(27390): SurfaceTextureHelper: Setting listener to org.webrtc.Camera2Session$CaptureSessionCallback$$ExternalSyntheticLambda0@6de788
D/FlutterWebRTCPlugin(27390): CameraEventsHandler.onFirstFrameAvailable
I/org.webrtc.Logging(27390): EglRenderer: Initializing EglRenderer
I/org.webrtc.Logging(27390): EglRenderer: EglBase.create shared context
D/HostConnection(27390): HostConnection::get() New Host Connection established 0xf1fa21a0, tid 27448
D/HostConnection(27390): HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_YUV_Cache ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_sync_buffer_data ANDROID_EMU_read_color_buffer_dma GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_2
I/org.webrtc.Logging(27390): EglBase14Impl: Using OpenGL ES version 2
...

排查建议

  • 版本兼容性检查：确认flutter-webrtc版本与当前Flutter SDK版本匹配，部分新版本依赖特定Flutter版本，可查看flutter-webrtc官方文档的版本适配说明。
  • 权限配置验证：
    • Android：确保AndroidManifest.xml中添加了相机、麦克风、网络权限：
      <uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
    • iOS：在Info.plist中添加摄像头和麦克风权限描述：
      <key>NSCameraUsageDescription</key>
<string>需要访问摄像头进行视频通话</string>
<key>NSMicrophoneUsageDescription</key>
<string>需要访问麦克风进行语音通话</string>
  • 清理重建项目：执行以下命令清除缓存并重新构建：
    flutter clean
flutter pub get
flutter run
  • 指定NDK版本：在build.gradle的android块中替换ndkVersion flutter.ndkVersion为具体稳定版本，比如：
    ndkVersion "25.1.8937393"
  • 最小化测试：创建一个仅包含flutter-webrtc基础功能的测试项目，比如仅初始化PeerConnectionFactory或获取本地摄像头流，验证是否崩溃，排除其他业务代码干扰。
  • 获取完整崩溃日志：当前日志未包含崩溃时的核心错误信息（如AndroidRuntime异常栈），需导出完整的设备日志，找到崩溃发生时的具体错误类型和调用栈，这是定位问题的关键。

内容的提问来源于stack exchange，提问作者Jeevan Shrestha

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最近更新时间：2026.07.26 17:14:53