Android app doesn't run

Kim Nancy · wrote on 12 Jan 2024, 08:58

The error suggests an issue with the AndroidManifest.xml activity class. Verify correct package and activity names, check for recent changes, and ensure accuracy in your project's configuration.

mzimmers · 13 Jan 2024, 18:03

@ekkescorner said in Android app doesn't run:

@mzimmers perhaps you run into this: https://forum.qt.io/post/785169

This definitely helps. Combined with regenerating the android files, and deleting the build directory, I'm past that error. (I'm onto another error, but I think this is my doing. I'm posting the relevant output here.)

E project.exampl: Not starting debugger since process cannot load the jdwp agent.
W System  : ClassLoader referenced unknown path:
I DecorView: [INFO] isPopOver=false, config=true
I DecorView: updateCaptionType >> DecorView@c5c2492[], isFloating=false, isApplication=true, hasWindowDecorCaption=false, hasWindowControllerCallback=true
W linker  : Warning: "/data/app/~~J43OE5MfUdxnaBtJpASGww==/org.qtproject.example-lakyk1zLaHW5FUEWp05dDQ==/lib/arm64/libc++_shared.so" unused DT entry: unknown processor-specific (type 0x70000001 arg 0x0) (ignoring)
W Gralloc3: mapper 3.x is not supported
E linker  : library "/system/lib/libcrypto.so" ("/system/lib/libcrypto.so") needed or dlopened by "/data/app/~~J43OE5MfUdxnaBtJpASGww==/org.qtproject.example-lakyk1zLaHW5FUEWp05dDQ==/lib/arm64/libQt6Core_arm64-v8a.so" is not accessible for the namespace: [name="classloader-namespace", ld_library_paths="", default_library_paths="/data/app/~~J43OE5MfUdxnaBtJpASGww==/org.qtproject.example-lakyk1zLaHW5FUEWp05dDQ==/lib/arm64:/data/app/~~J43OE5MfUdxnaBtJpASGww==/org.qtproject.example-lakyk1zLaHW5FUEWp05dDQ==/base.apk!/lib/arm64-v8a", permitted_paths="/data:/mnt/expand:/data/data/org.qtproject.example"]
W qt.tlsbackend.ossl: : Failed to load libssl/libcrypto.
W qt.network.ssl: : The backend "cert-only" does not support QSslKey
W qt.network.ssl: : Active TLS backend does not support key creation
W libappNgaIcdFw_arm64-v8a.so: QQmlApplicationEngine failed to load component
W libappNgaIcdFw_arm64-v8a.so: <Unknown File>: No module named "ngaIcdFw" found
W libappNgaIcdFw_arm64-v8a.so: exit app 0
05:42:56: 
"org.qtproject.example" died.

I think this has to do with a recent restructuring of my project files and folders.

So:

delete the build directory
clear your Qt Creator cache
use Creator to generate but NOT modify AndroidManifest.xml

appears to be a successful procedure, if my above assumption about my project restructuring is true. I'll do some more experimentation and report back.

Oh, I tried 12.0.2...no improvement. Thanks for the link, though.

ekkescorner · wrote on 13 Jan 2024, 18:03

@mzimmers said in Android app doesn't run:

use Creator to generate but NOT modify AndroidManifest.xml

if you mean by 'generate' to create templates then you must do your customization in AndrouidManifest: change application name, activity name and other properties of AndroidManifest. depends from your use-case

JoeCFD · wrote on 14 Jan 2024, 03:49

@mzimmers said in Android app doesn't run:

W qt.tlsbackend.ossl: : Failed to load libssl/libcrypto.

W qt.tlsbackend.ossl: : Failed to load libssl/libcrypto.so
this lib is needed in your app. Add it to your build script.

ekkescorner · 14 Jan 2024, 15:06

@mzimmers take a look at https://github.com/KDAB/android_openssl to get openssl

mzimmers · wrote on 14 Jan 2024, 15:06

@ekkescorner @JoeCFD thanks for the suggestions.

After fixing the problem in my project structure, I am now able to load the program through Creator, sometimes. Sometimes I get the original error. I am also able to load the .apk from the command line (outside of Creator), so I'm reasonably confident the problem isn't in how my .apk is built.

I'm trying to ascertain why I'm still having only intermittent success with Creator. When I can determine a reliable procedure, I'll post it here.

mzimmers · wrote on 18 Aug 2024, 00:37

Hi all - I need to return my attention to this -- I've got to get this working.

All my build setup items seem in place, and the project builds for Android just fine. But when I try to deploy and run, I get this same old error message:

Activity Manager threw the error: Error type 3
Error: Activity class {org.qtproject.example/org.qtproject.qt.android.bindings.QtActivity} does not exist.

Can anyone give me an idea what's going wrong here? Thanks...

ekkescorner · wrote on 18 Aug 2024, 08:30

what's your actual environment ?
Qt version, QtCreator Version
JDK, NDK, Java API
QMake or CMake

mzimmers · 18 Aug 2024, 12:43

@ekkescorner

Qt 6.5.3
Qt Creator 14.0.1
SDK Version: 12.0
NDK Version: 25.1.8937393
JDK 17
Using CMake
Windows 11

Not sure what you mean by Java API, but maybe this will help:

C:\Users\michael.zimmers>java --version
java 17.0.9 2023-10-17 LTS
Java(TM) SE Runtime Environment (build 17.0.9+11-LTS-201)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.9+11-LTS-201, mixed mode, sharing)

C:\Users\michael.zimmers>

Thanks for any assistance.

ekkescorner · 18 Aug 2024, 15:30

@mzimmers said in Android app doesn't run:

Not sure what you mean by Java API

I meant

set_target_properties(${MY_APP}
    PROPERTIES
        QT_ANDROID_MIN_SDK_VERSION 26
        QT_ANDROID_TARGET_SDK_VERSION 34
)

my settings from 6.7.1
for 6.5 seems to be 23, 33 (see https://www.qt.io/blog/qt-for-android-supported-versions-guidelines)

Thanks for any assistance.
ATM have no idea

have you created (updated) Android Templates so all fits together ?

mzimmers · 18 Aug 2024, 15:53

@ekkescorner I've created the templates, but I haven't modified them. I can't find documentation that tells me how to populate the fields.

Note that the pulldowns for setting the SDK are disabled.

ekkescorner · wrote on 18 Aug 2024, 15:53

@mzimmers said in Android app doesn't run:

Note that the pulldowns for setting the SDK are disabled.

Google has changed this long time ago. Now Min and Target are managed by Gradle and not the Manifest.

here's some info from my blogs HowTo do this with CMake:
https://ekkesapps.wordpress.com/qt-6-in-action/qmake-cmake/android-specific/

JKSH · wrote on 19 Aug 2024, 01:55

@mzimmers said in Android app doesn't run:

@ekkescorner I've created the templates, but I haven't modified them. I can't find documentation that tells me how to populate the fields.

Note that the pulldowns for setting the SDK are disabled.

That editor is badly broken. I recommend avoiding it: https://bugreports.qt.io/browse/QTCREATORBUG-27119

As a quick sanity check, create a new "Hello World" project. Does that build and run correctly?

mzimmers · 19 Aug 2024, 05:25

@JKSH OK, built a new project. I configured it for Android, but there's nothing in the CMakeLists.txt file about Android. (I didn't add any of the stuff that @ekkescorner mentions on his web page.) When I build, I get an error:

:-1: error:      aapt2.exe E 08-18 19:22:13 16988 23404 ApkAssets.cpp:149] Failed to load resources table in APK 'C:\Users\michael.zimmers\AppData\Local\Android\Sdk\platforms\android-35\android.jar'.
     error: failed to load include path C:\Users\michael.zimmers\AppData\Local\Android\Sdk\platforms\android-35\android.jar.

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.

* Get more help at https://help.gradle.org

So, I'm not sure where to go from here. It's hard to tell whether the problem is in my Android setup, or my specific project settings.

ekkescorner · wrote on 19 Aug 2024, 05:25

@mzimmers running Qt Examples without changes this should work without creating and modifying templates.
If examples don't run there seems to be something wrong with your Android / QtC installation
BTW: you can verify the settings for min and target. go to your build dir and take a look at

build
    android-build
          gradle.properties

mzimmers · wrote on 19 Aug 2024, 13:01

@ekkescorner just to be clear, this error didn't come from one of the presupplied Qt examples. I created it using the project wizard.

Here are the version settings in my gradle.properties file:

androidBuildToolsVersion=33.0.0
androidCompileSdkVersion=android-35
androidNdkVersion=25.1.8937393
qtMinSdkVersion=23
qtTargetAbiList=arm64-v8a
qtTargetSdkVersion=31

They don't seem to match what you indicated would be correct.

BTW: Is there a typo in this section of your page?

Qt supports these API Level:

Qt 6.6: Min API 26 (Android 8)
Qt 6.8 MIn API 28 (Android 9)
see QTBUG-124890
Qt 6.6: Target API 33 (Android 13)
Qt 6.7: Target API 34 (Android 14)

ekkescorner · wrote on 19 Aug 2024, 13:49

this is from one of my 6.7.1 apps:

android.useAndroidX=true
androidBuildToolsVersion=34.0.0
androidCompileSdkVersion=android-34
androidNdkVersion=26.1.10909125
qtMinSdkVersion=26
qtTargetAbiList=arm64-v8a
qtTargetSdkVersion=34

QMake or CMake - always the same for my projects

BTW: some examples from create (update) Templates I did:
https://ekkesapps.wordpress.com/qt-6-cmake/qtcreator-android-templates-2/

mzimmers · wrote on 19 Aug 2024, 14:39

OK, but...given that this file is built for me, clearly I don't want to just make changes to it. Where are the settings that populate the contents of this file when it's built? Is there something wrong with my Preferences -> Devices -> Android settings?

ekkescorner · wrote on 19 Aug 2024, 14:59

don't know what's wrong
seems you have built with android-35
dont know if this works with 6.5
have no experiences with 6.5 - started my Qt 6 development with 6.6
you can try to change this to 33, what's supported by 6.5

mzimmers · 19 Aug 2024, 16:00

@ekkescorner I changed to 33; no success. I then deleted all my Qt project cache and rebuilt. It now works...sort of. I'm going to have a bunch more questions, but it's time to close out this thread and start a new one. Thank you for all the help.