Getting crash when adding a WebView to my Page
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I am trying to add an
Ubuntu.Web.WebViewto a test app based off the clickableut-app-cmake-templatefrom the clickable getting started page. This gave me a simple hello world app. Now I am trying to add a WebView.
This gives me:import QtQuick 2.4 import QtQuick.Layouts 1.1 import QtQuick.LocalStorage 2.0 import Ubuntu.Components 1.3 import Ubuntu.Connectivity 1.0 import Ubspotplugin 1.0 import Ubuntu.Web 0.2 MainView { id: root objectName: 'mainView' applicationName: 'ubspot.mungorae' automaticOrientation: true width: units.gu(45) height: units.gu(75) Page { anchors.fill: parent header: PageHeader { id: header title: i18n.tr('UBSpot') } WebView { id: webView url: "http://www.google.com" anchors { left: parent.left right: parent.right bottom: parent.bottom top: loginPage.header.bottom } incognito: true preferences.localStorageEnabled: true preferences.allowFileAccessFromFileUrls: true preferences.allowUniversalAccessFromFileUrls: true preferences.appCacheEnabled: true preferences.javascriptCanAccessClipboard: true } } Component.onCompleted: Ubspotplugin.speak() }But its crashing with:
Loading module: 'libubuntu_application_api_touch_mirclient.so.3.0.0' LaunchProcess: failed to execvp: /usr/lib/arm-linux-gnueabihf/oxide-qt/chrome-sandbox [0919/232725:FATAL:zygote_host_impl_linux.cc(182)] Check failed: ReceiveFixedMessage(fds[0], kZygoteBootMessage, sizeof(kZygoteBootMessage), &boot_pid). #0 0x0000ab9e131a <unknown> #1 0x0000ab9f043a <unknown> #2 0x0000ab2814aa <unknown> #3 0x0000ab280a50 <unknown> #4 0x0000ab280de0 <unknown> #5 0x0000ab091fa6 <unknown> #6 0x0000ab095a82 <unknown> #7 0x0000ac6aea88 <unknown> #8 0x0000aafa6a0c <unknown> #9 0x0000ae0b7c86 oxide::qquick::EnsureChromiumStarted() #10 0x0000ae0abfbc OxideQQuickWebView::OxideQQuickWebView() #11 0x0000ae11eee6 QQmlPrivate::QQmlElement<>::QQmlElement() #12 0x0000ae11ef2e QQmlPrivate::createInto<>()Wondered if anyone knew what I was doing wrong, or what I should add to get around this?
Thanks for your consideration.
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Hi @mungorae ,
as test i have created a sample app with clickable - -init and template [2]: cmake - C++/QML App, added a WebView like your one and using "clickable --desktop" i have no issues (i have only removed import Ubuntu.Connectivity 1.0 ).
But, looking around i have found this: https://stackoverflow.com/questions/52415263/crash-when-using-webview-on-ubuntu-touch-xenial#
Seems you are the author of that question... As you say in the question you are building/running an App for exenial (16.04) but in your manifest file you have: "policy_version": 1.3 which is a wrong value.
Look here for info about how to update manifest and apparmor files to build app for xenial: https://forums.ubports.com/topic/1215/updating-apps-to-16-04
Then try with: "clickable - -xenial" or "clickable --xenial --desktop"
I'm not sure this solve the issues but i hope can help
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haha yeh I am indeed the author of that question. Hadn't found this forum at that time
Thank you for your reply @fulvio.
So I updated my policy version and changed the framework as per the helpful post you linked to. However I do still seem to be getting the same error. My policy file now looks like:{ "policy_groups": [ "networking", "connectivity", "content_exchange", "content_exchange_source", "usermetrics", "webview", "keep-display-on", "audio", "video" ], "policy_version": 16.04 }I am using
clickable ---k 16.04to run it on a Nexus 5 device.From that post I can see mention of a click-review tool, so I installed that and tried to fix any problems. It wanted me to remove debug from policy, so I did that. Now it tells me:
Warnings -------- - lint:architecture_specified_needed Could not find compiled binaries for architecture 'armhf' build/ubspot.mungorae_0.1.0_armhf.click: FAILMaybe that has got something to do with my crash.
If its any help the output of
clickable -k 16.04isUsing docker container "clickable/ubuntu-sdk:16.04-armhf" -- The C compiler identification is GNU 5.4.0 -- The CXX compiler identification is GNU 5.4.0 -- Check for working C compiler: /usr/bin/arm-linux-gnueabihf-gcc -- Check for working C compiler: /usr/bin/arm-linux-gnueabihf-gcc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/bin/arm-linux-gnueabihf-g++ -- Check for working CXX compiler: /usr/bin/arm-linux-gnueabihf-g++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- Found Gettext: /usr/bin/msgmerge (found version "0.19.7") -- Configuring done -- Generating done -- Build files have been written to: /home/alex/Projects/ubports/ubspot/build Scanning dependencies of target ubspot.desktop Scanning dependencies of target Ubspotplugin_automoc Scanning dependencies of target ubspot.mungorae.pot Scanning dependencies of target ubspot_FILES [ 28%] Merging translations into ubspot.desktop... [ 28%] Automatic moc for target Ubspotplugin [ 28%] Built target ubspot_FILES [ 42%] Generating translation template Merging translations into ubspot.desktop. Wrote ubspot.desktop.in.h [ 42%] Built target ubspot.desktop [ 42%] Built target ubspot.mungorae.pot Generating moc_plugin.cpp Generating moc_ubspotplugin.cpp [ 42%] Built target Ubspotplugin_automoc Scanning dependencies of target Ubspotplugin [ 85%] Building CXX object plugins/Ubspotplugin/CMakeFiles/Ubspotplugin.dir/ubspotplugin.cpp.o [ 85%] Building CXX object plugins/Ubspotplugin/CMakeFiles/Ubspotplugin.dir/Ubspotplugin_automoc.cpp.o [ 85%] Building CXX object plugins/Ubspotplugin/CMakeFile s/Ubspotplugin.dir/plugin.cpp.o [100%] Linking CXX shared module Ubspotplugin/libUbspotplugin.so [100%] Built target Ubspotplugin [ 14%] Merging translations into ubspot.desktop... Merging translations into ubspot.desktop. [ 14%] Built target ubspot.desktop [ 14%] Built target ubspot_FILES [ 28%] Generating translation template Wrote ubspot.desktop.in.h [ 28%] Built target ubspot.mungorae.pot [ 42%] Automatic moc for target Ubspotplugin [ 42%] Built target Ubspotplugin_automoc [100%] Built target Ubspotplugin Install the project... -- Install configuration: "" -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//manifest.json -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//ubspot.apparmor -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//qml -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//qml/Main.qml -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//assets -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//assets/logo.svg -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp//ubspot.desktop -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp/lib/arm-linux-gnueabihf/Ubspotplugin/libUbspotplugin.so -- Installing: /home/alex/Projects/ubports/ubspot/build/tmp/lib/arm-linux-gnueabihf/Ubspotplugin/qmldir Successfully built package in './ubspot.mungorae_0.1.0_armhf.click'. [100%] /home/phablet/ubspot.mungorae_0.1.0_armhf.click Installing files [=========================] Finished [=========================] Installing files [=========================] Starting [=========================] Finished [=========================] Installed ubspot.mungorae-0.1.0.armhf (installed:click,removable=1,app_name=ubspot) summary goes hereInteresting that you got it working, though I am deploying to device rather than to desktop.
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@mungorae please see this https://forums.ubports.com/post/12942 to get the full picture of what's going to happen
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Hi @mungorae
to run the application (not deploy it) on desktop try a:
clickable - -xenial - -desktop
(or: clickable - -desktop )
should works (See Getting started section: http://clickable.bhdouglass.com/en/latest/getting-started.html)
Looking at your last posted output, your app is package successfully as .click package and deployed on your connected phone; so that should run also on desktop.
(Note: you can RUN the app on the desktop without any device connected; but you can't deploy it on desktop; ".click" package is not supported is only for mobile device).
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