In newer Android versions, the application is failing to start with UnsatisfiedLinkError exception.
It looks like the org.qtproject.qt5.android.QtNative.loadBundledLibraries
is trying to load the versioned library but is not able to!
Since my app.shell.ShellActivity.onCreate()
is not loading the lib directly (shown below there is no system.load
in there), I don't have any idea how to tackle this lib loading failure.
public class ShellActivity extends QtActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (running) {
Log.e(TAG, "An instance of this activity is already running!");
setResult(-2);
finish();
System.exit(-2);
return;
}
running = true;
}
}
The lib is configured in .pro as shown below,
app_android: contains(ANDROID_TARGET_ARCH,armeabi-v7a) {
LIBS += -L$$PWD/lib/android/ -lcrypto -lssl
ANDROID_EXTRA_LIBS =
$$PWD/lib/android/libcrypto.so
$$PWD/lib/android/libssl.so
}
CONFIG += app_android
Please note that the application is running fine in other lower android versions, (tested on 4.4, and 5.1) but failing on Android 9.0 (Pie).
objdump output
libcrypto.so
file format elf32-little
NEEDED libdl.so
NEEDED libc.so
SONAME libcrypto.so
libapp.so
file format elf32-little
NEEDED libz.so
NEEDED libcrypto.so
NEEDED libssl.so
NEEDED libQt5Quick.so
NEEDED libQt5Multimedia.so
NEEDED libQt5Svg.so
NEEDED libQt5Widgets.so
NEEDED libQt5Gui.so
NEEDED libQt5Qml.so
NEEDED libQt5Network.so
NEEDED libQt5Sql.so
NEEDED libQt5SerialPort.so
NEEDED libQt5AndroidExtras.so
NEEDED libQt5Core.so
NEEDED libGLESv2.so
NEEDED libgnustl_shared.so
NEEDED liblog.so
NEEDED libdl.so
NEEDED libstdc++.so
NEEDED libm.so
NEEDED libc.so
SONAME libshell.so
The stacktrace is as shown below. Any idea how to solve it?
05-08 14:29:26.513 26065-26065/app.shell W/System: ClassLoader referenced unknown path:
05-08 14:29:26.704 26065-26065/app.shell W/System.err: java.lang.reflect.InvocationTargetException
05-08 14:29:26.705 26065-26065/app.shell W/System.err: at java.lang.reflect.Method.invoke(Native Method)
at org.qtproject.qt5.android.bindings.QtLoader.loadApplication(QtLoader.java:241)
at org.qtproject.qt5.android.bindings.QtLoader.startApp(QtLoader.java:676)
at org.qtproject.qt5.android.bindings.QtActivityLoader.onCreate(QtActivityLoader.java:183)
at org.qtproject.qt5.android.bindings.QtActivity.onCreateHook(QtActivity.java:266)
at org.qtproject.qt5.android.bindings.QtActivity.onCreate(QtActivity.java:273)
at app.shell.ShellActivity.onCreate(ShellActivity.java:41)
at android.app.Activity.performCreate(Activity.java:7326)
at android.app.Activity.performCreate(Activity.java:7317)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
05-08 14:29:26.706 26065-26065/app.shell W/System.err: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3066)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3229)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1926)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:6981)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1445)
Caused by: java.lang.UnsatisfiedLinkError: dlopen failed: library "libcrypto.so.1.0.0" not found
at java.lang.Runtime.load0(Runtime.java:928)
at java.lang.System.load(System.java:1633)
at org.qtproject.qt5.android.QtNative.loadBundledLibraries(QtNative.java:209)
at org.qtproject.qt5.android.QtActivityDelegate.loadApplication(QtActivityDelegate.java:599)
... 22 more
There were some solutions proposed at SO, but that is to patch the .so file with new SONAME. In this case my SONAME inside the elf is unversioned. If i hex edit and add version to it, i guess either it would break the app which is already working on older android versions, or altogether corrupt the .so loading/reloc.
Any idea why eventhough the so is unversioned newer android is trying to load versioned one?