React Native -导航到包含多个嵌入在其自己WebView中的tweet的页面或从该页面导航后，指针取消引用为空

inn6fuwd  于 2022-11-30  发布在  React
关注(0)|答案(3)|浏览(134)

我目前正在为工作开发的应用程序主要关注显示文章。（在网页版上），由于API由我们的两个应用程序共享，我也接收HTML形式的嵌入。每当我尝试在WebView中显示tweet时，将源代码设置为HTML，并使用TwitterJS脚本进行样式设置，页面要么正确加载，但在我按下返回键时崩溃（使用react-navigation），要么只是在加载时崩溃，但只在ANDROID上。
我已尝试以下方法：

  • 使用社区支持的WebView package而不是内置的。我在那里也打开了一个issue。
  • 从WebView中删除JS脚本。
  • 请改用injectedJavaScript属性。
  • 安装TwitterKit以使用本机嵌入，遗憾的是Twitter不再支持此功能：（

下面是我如何呈现WebView：

const JS = '<script type="text/javascript" src="https://platform.twitter.com/widgets.js"></script>';
return (
    <View
        key={content.embed._id} 
        style={[{ overflow : "hidden", marginTop : 15, marginStart : 15 }]}>
        <WebView 
            scrollEnabled={false}
            style={{ height : 150, width : Dimensions.get('window').width - 30 }}
            source={{ html : content.embed.html + JS }} />
    </View>
);

这是来自Android Studio的堆栈跟踪（我甚至没有得到RedBox，只是一个普通的老硬崩溃）。

Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x1c in tid 13662 (RenderThread), pid 13634 (com.example)
Build fingerprint: 'google/sdk_gphone_x86/generic_x86:9/PSR1.180720.093/5456446:userdebug/dev-keys'
Revision: '0'
ABI: 'x86'
pid: 13634, tid: 13662, name: RenderThread  >>> com.example <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x1c
Cause: null pointer dereference
    eax e7a959c0  ebx f0a794a0  ecx f0a6994c  edx 00000002
    edi efcbbd9c  esi 00000000
    ebp d314a7e8  esp d314a7d0  eip f07edeea
backtrace:
    #00 pc 0060ceea  /system/lib/libhwui.so (SkSurface::getCanvas()+26)
    #01 pc 0009b53d  /system/lib/libhwui.so (android::uirenderer::skiapipeline::GLFunctorDrawable::onDraw(SkCanvas*)+3357)
    #02 pc 005200f7  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+279)
    #03 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #04 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #05 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #06 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #07 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #08 pc 0052006d  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+141)
    #09 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #10 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #11 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #12 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #13 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #14 pc 0052006d  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+141)
    #15 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #16 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #17 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #18 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #19 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #20 pc 0052006d  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+141)
    #21 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #22 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #23 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #24 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #25 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #26 pc 0052006d  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+141)
    #27 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #28 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #29 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #30 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #31 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #32 pc 0052006d  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+141)
    #33 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #34 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #35 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #36 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #37 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #38 pc 0052006d  /system/lib/libhwui.so (SkDrawable::draw(SkCanvas*, SkMatrix const*)+141)
    #39 pc 0051c9a6  /system/lib/libhwui.so (SkCanvas::onDrawDrawable(SkDrawable*, SkMatrix const*)+38)
    #40 pc 00178318  /system/lib/libhwui.so (SkCanvas::drawDrawable(SkDrawable*, SkMatrix const*)+344)
    #41 pc 005208f5  /system/lib/libhwui.so (SkLiteDL::draw(SkCanvas*) const+229)
    #42 pc 004fe090  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::drawContent(SkCanvas*) const+352)
    #43 pc 004fe51f  /system/lib/libhwui.so (android::uirenderer::skiapipeline::RenderNodeDrawable::forceDraw(SkCanvas*)+287)
    #44 pc 000a655e  /system/lib/libhwui.so (android::uirenderer::skiapipeline::SkiaPipeline::renderLayersImpl(android::uirenderer::LayerUpdateQueue const&, bool, bool)+862)
    #45 pc 00546e44  /system/lib/libhwui.so (android::uirenderer::skiapipeline::SkiaPipeline::renderFrame(android::uirenderer::LayerUpdateQueue const&, SkRect const&, std::__1::vector<android::sp<android::uirenderer::RenderNode>, std::__1::allocator<android::sp<android::uirenderer::RenderNode>>> const&, bool, bool, android::uirenderer::Rect const&, sk_sp<SkSurface>)+84)
    #46 pc 00545e39  /system/lib/libhwui.so (android::uirenderer::skiapipeline::SkiaOpenGLPipeline::draw(android::uirenderer::renderthread::Frame const&, SkRect const&, SkRect const&, android::uirenderer::FrameBuilder::LightGeometry const&, android::uirenderer::LayerUpdateQueue*, android::uirenderer::Rect const&, bool, bool, android::uirenderer::BakedOpRenderer::LightInfo const&, std::__1::vector<android::sp<android::uirenderer::RenderNode>, std::__1::allocator<android::sp<android::uirenderer::RenderNode>>
    #47 pc 000b2e76  /system/lib/libhwui.so (android::uirenderer::renderthread::CanvasContext::draw()+262)
    #48 pc 0054bd02  /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer12renderthread13DrawFrameTask11postAndWaitEvE3$_0NS_9allocatorIS6_EEFvvEEclEv$c303f2d2360db58ed70a2d0ac7ed911b+898)
    #49 pc 004fd4c2  /system/lib/libhwui.so (android::uirenderer::WorkQueue::process()+242)
    #50 pc 000c454a  /system/lib/libhwui.so (android::uirenderer::renderthread::RenderThread::threadLoop()+314)
    #51 pc 0000e616  /system/lib/libutils.so (android::Thread::_threadLoop(void*)+326)
    #52 pc 0000df76  /system/lib/libutils.so (thread_data_t::trampoline(thread_data_t const*)+246)
    #53 pc 0008f065  /system/lib/libc.so (__pthread_start(void*)+53)
react-native

3条答案

按热度按时间
9rnv2umw

9rnv2umw1#

所以我在社区支持的WebView github页面上做了更多的挖掘，发现有这个androidHardwareAccelerationDisabled，它是一个boolean。我试着把它设置为true，它似乎解决了这个问题!

<Webview
    androidHardwareAccelerationDisabled
    ... 
/>
赞(0）分享  回复(0）举报  2022-11-30
vngu2lb8

vngu2lb82#

我补充道

android:hardwareAccelerated="false"

在android清单文件中，它解决了这个问题。

赞(0）分享  回复(0）举报  2022-11-30
beq87vna

beq87vna3#

androidHardwareAccelerationDisabled对我不起作用，但下面的解决方案起作用了：
https://github.com/react-native-webview/react-native-webview/issues/811#issuecomment-570813204
示例代码：

<WebView
      style={{ opacity: 0.99 }}
    />

此外，使用androidHardwareAccelerationDisabled可能会导致性能问题。

赞(0）分享  回复(0）举报  2022-11-30
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