Details
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Bug
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Resolution: Done
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P2: Important
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5.10.0 RC2, 5.10.0 Beta 2, 5.10.0 Beta 3, 5.10.0 Beta 4, 5.10.0 RC
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None
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Qt 5.10 on Windows, Android NDK r10e
deployment targets: Android ARMv7 device (Android 6.0), Android emulator (from package system-images;android-23;default;x86)
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Android
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138d34b9c8aa368dd252d0c46393816c7e372837
Description
QFile::copy don't copies file and returns false, when i'm trying to copy file from resources (rcc) to app data directory with Qt 5.10. Same code build with Qt 5.9.2/5.9.3 kits works fine
#include <QCoreApplication> #include <QFile> #include <QStandardPaths> #include <QFile> #include <QDebug> int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); QFile sourceFile(":/info.txt"); qDebug() << "is source exists:" << sourceFile.exists(); QString destinationPath = QStandardPaths::writableLocation(QStandardPaths::DataLocation)+"/info.txt"; // QString destinationPath = QStandardPaths::standardLocations(QStandardPaths::DataLocation).first()+"/filecopy.txt"; bool result = sourceFile.copy(destinationPath); qDebug() << "copying" << sourceFile.fileName() << "to" << destinationPath << ":" << result << sourceFile.errorString(); return a.exec(); }
output:
I Qt : qt start W linker : /data/app/org.qtproject.example.test_console-1/lib/arm/libtest-console.so: unused DT entry: type 0x1d arg 0x794 D OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true I Adreno-EGL: <qeglDrvAPI_eglInitialize:379>: QUALCOMM Build: 10/21/15, 369a2ea, I96aee987eb I OpenGLRenderer: Initialized EGL, version 1.4 D libtest-console.so: ..\test-console\main.cpp:47 (int main(int, char**)): is source exists: true D libtest-console.so: ..\test-console\main.cpp:51 (int main(int, char**)): copying ":/info.txt" to "/data/user/0/org.qtproject.example.test_console/files/info.txt" : false "Cannot create /data/user/0/org.qtproject.example.test_console/files/info.txt for output"
second example
#include <QApplication> #include <QPushButton> #include <QFile> #include <QStandardPaths> #include <QDebug> int main(int argc, char *argv[]) { QApplication a(argc, argv); QPushButton button("Click to copy"); button.show(); QFile sourceFile(":/info.txt"); qDebug() << "is source exists:" << sourceFile.exists(); QString destinationPath = QStandardPaths::writableLocation(QStandardPaths::DataLocation)+"/info.txt"; // QString destinationPath = QStandardPaths::standardLocations(QStandardPaths::DataLocation).first()+"/info.txt"; QObject::connect(&button, &QPushButton::clicked, [&sourceFile, &destinationPath] { bool result = sourceFile.copy(destinationPath); qDebug() << "copying" << sourceFile.fileName() << "to" << destinationPath << ":" << result << sourceFile.errorString(); }); return a.exec(); }
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