Flutter VLC Player返回页面后应用崩溃问题求助

问题现象 #

集成Flutter VLC Player后，从播放页面返回时应用直接崩溃，使用pub.dev官方示例代码测试仍出现相同问题，报错信息如下：

D/apitrace(22547): apitrace: warning: caught signal 6
D/apitrace(22547): call flush from exceptionCallback
F/libc (22547): Fatal signal 6 (SIGABRT), code -6 (SI_TKILL) in tid 23200
(AWindowHandler), pid 22547 (.webyte.vidflix)

---

Build fingerprint: 'OPPO/CPH2015/OP4C7D:9/PPR1.180610.011/1640680627:user/release-keys'
Revision: '0'
ABI: 'arm64'
pid: 22547, tid: 23200, name: AWindowHandler >>> com.webyte.vidflix <<<
signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
Abort message: 'java_vm_ext.cc:542] JNI DETECTED ERROR IN APPLICATION: JNI GetJavaVM called with pending exception java.lang.RuntimeException: Error during detachFromGLContext (see logcat for details)'

当前使用的核心代码：

@override
void initState() {
  super.initState();

  _videoPlayerController = VlcPlayerController.network(
    'https://media.w3.org/2010/05/sintel/trailer.mp4',
    hwAcc: HwAcc.full,
    autoPlay: true,
    options: VlcPlayerOptions(),
  )..initialize();
}

@override
void dispose() async {
  super.dispose();
  await _videoPlayerController!.stopRendererScanning();
  await _videoPlayerController!.dispose();
}

解决方法 #

• 调整dispose执行顺序：将super.dispose()移到控制器资源释放之后，避免父组件释放后VLC控制器的JNI调用失去上下文：

  @override
  void dispose() async {
    await _videoPlayerController!.stopRendererScanning();
    await _videoPlayerController!.dispose();
    super.dispose();
  }
  

• 降低硬件加速级别：部分设备对HwAcc.full支持不佳，改为HwAcc.auto或HwAcc.disable尝试：

  _videoPlayerController = VlcPlayerController.network(
    'https://media.w3.org/2010/05/sintel/trailer.mp4',
    hwAcc: HwAcc.auto,
    autoPlay: true,
    options: VlcPlayerOptions(),
  )..initialize();
  

• 添加状态校验：在释放前检查控制器是否已初始化，避免无效状态下的JNI调用：

  @override
  void dispose() async {
    if (_videoPlayerController != null && _videoPlayerController!.value.isInitialized) {
      await _videoPlayerController!.stopRendererScanning();
      await _videoPlayerController!.dispose();
    }
    super.dispose();
  }
  

内容的提问来源于stack exchange，提问作者Sheikh Rohan