Ein Fehler beim Erstellen einer Android App auf Qt

Question

Ich versuche, ein Qt-Programm für Android zu machen. Ich habe das Android Qt-Paket, Android SDK, NDK und JDK, markierte Pfade zu ihren Ordnern heruntergeladen, aber dann gibt es einen Build-Fehler, während ich versuche, es für mein Gerät zu bauen (ich habe das Debuggen von USB und dort aktiviert) installierte adb-treiber) es gibt mir diese compile-ausgabe:

14:34:56: Running steps for project FastsFood... 
14:34:56: Configuration unchanged, skipping qmake step. 
14:34:56: Starting: "D:\QtAndroid\Tools\mingw530_32\bin\mingw32-make.exe" 
D:\QtAndroid\5.7\android_armv7\bin\qmake.exe -spec android-g++ "CONFIG+=debug" "CONFIG+=qml_debug" -o Makefile ..\FastsFood\FastsFood.pro 
mingw32-make: Nothing to be done for 'first'. 
14:35:00: The process "D:\QtAndroid\Tools\mingw530_32\bin\mingw32-make.exe" exited normally. 
14:35:00: Removing directory C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build 
14:35:00: Starting: "D:\QtAndroid\Tools\mingw530_32\bin\mingw32-make.exe" "INSTALL_ROOT=C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build" install 
copy /y libFastsFood.so C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\libs\armeabi-v7a\libFastsFood.so 
     1 file(s) copied. 
14:35:02: The process "D:\QtAndroid\Tools\mingw530_32\bin\mingw32-make.exe" exited normally. 
14:35:02: Starting: "D:\QtAndroid\5.7\android_armv7\bin\androiddeployqt.exe" --input C:/Users/Neuron/Documents/build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug/android-libFastsFood.so-deployment-settings.json --output C:/Users/Neuron/Documents/build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug/android-build --deployment debug --android-platform android-23 --jdk "C:/Program Files/Java/jdk1.7.0_79" --ant D:/apache-ant-1.9.7-bin/apache-ant-1.9.7/bin/ant.bat 
Generating Android Package 
    Input file: C:/Users/Neuron/Documents/build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug/android-libFastsFood.so-deployment-settings.json 
    Output directory: C:/Users/Neuron/Documents/build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug/android-build/ 
    Application binary: C:/Users/Neuron/Documents/build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug/libFastsFood.so 
    Android build platform: android-23 
    Install to device: No 
Buildfile: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\build.xml 

-set-mode-check: 

-set-debug-files: 

-check-env: 
[checkenv] Android SDK Tools Revision 25.1.7 
[checkenv] Installed at C:\Users\Neuron\AppData\Local\Android\sdk 

-setup: 
    [echo] Project Name: QtApp 
    [gettype] Project Type: Application 

-set-debug-mode: 

-debug-obfuscation-check: 

-pre-build: 

-build-setup: 
[getbuildtools] Using latest Build Tools: 24.0.0 
    [echo] Resolving Build Target for QtApp... 
[gettarget] Project Target: Android 6.0 
[gettarget] API level:  23 
    [echo] ---------- 
    [echo] Creating output directories if needed... 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\res 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\rsObj 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\rsLibs 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\gen 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\classes 
    [mkdir] Created dir: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\dexedLibs 
    [echo] ---------- 
    [echo] Resolving Dependencies for QtApp... 
[dependency] Library dependencies: 
[dependency] No Libraries 
[dependency] 
[dependency] ------------------ 
    [echo] ---------- 
    [echo] Building Libraries with 'debug'... 
    [subant] No sub-builds to iterate on 

-code-gen: 
[mergemanifest] Merging AndroidManifest files into one. 
[mergemanifest] Manifest merger disabled. Using project manifest only. 
    [echo] Handling aidl files... 
    [aidl] Found 2 AIDL files. 
    [aidl] Compiling 2 AIDL files. 
    [echo] ---------- 
    [echo] Handling RenderScript files... 
    [echo] ---------- 
    [echo] Handling Resources... 
    [aapt] Generating resource IDs... 
    [echo] ---------- 
    [echo] Handling BuildConfig class... 
[buildconfig] Generating BuildConfig class. 

-pre-compile: 

-compile: 
    [javac] Compiling 10 source files to C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\classes 
    [javac] Note: Some input files use or override a deprecated API. 
    [javac] Note: Recompile with -Xlint:deprecation for details. 

-post-compile: 

-obfuscate: 

-dex: 
     [dex] input: C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\classes 
     [dex] Converting compiled files and external libraries into C:\Users\Neuron\Documents\build-FastsFood-Android_for_armeabi_v7a_GCC_4_9_Qt_5_7_0-Debug\android-build\bin\classes.dex... 
     [dx] java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 
     [dx]  at java.lang.ClassLoader.defineClass1(Native Method) 
     [dx]  at java.lang.ClassLoader.defineClass(ClassLoader.java:800) 
     [dx]  at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) 
     [dx]  at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) 
     [dx]  at java.net.URLClassLoader.access$100(URLClassLoader.java:71) 
     [dx]  at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 
     [dx]  at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 
     [dx]  at java.security.AccessController.doPrivileged(Native Method) 
     [dx]  at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 
     [dx]  at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 
     [dx]  at java.lang.ClassLoader.loadClass(ClassLoader.java:412) 
     [dx]  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) 
     [dx]  at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 
     [dx]  at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) 
     [dx] Exception in thread "main" 

BUILD FAILED 
C:\Users\Neuron\AppData\Local\Android\sdk\tools\ant\build.xml:892: The following error occurred while executing this line: 
C:\Users\Neuron\AppData\Local\Android\sdk\tools\ant\build.xml:894: The following error occurred while executing this line: 
C:\Users\Neuron\AppData\Local\Android\sdk\tools\ant\build.xml:906: The following error occurred while executing this line: 
C:\Users\Neuron\AppData\Local\Android\sdk\tools\ant\build.xml:287: null returned: 1 

Total time: 6 seconds 
Building the android package failed! 
    -- For more information, run this command with --verbose. 
14:35:14: The process "D:\QtAndroid\5.7\android_armv7\bin\androiddeployqt.exe" exited with code 14. 
Error while building/deploying project FastsFood (kit: Android for armeabi-v7a (GCC 4.9, Qt 5.7.0)) 
When executing step "Build Android APK" 
14:35:14: Elapsed time: 00:18. 

Dann funktioniert es nicht. Er bezieht sich auf eine Datei build.xml, aber mein Android SDK funktioniert vollständig, weil ich mit dem SDK einige Programme in Android Studio erstellt habe. Also, das Problem ist mit Qt.

Dann habe ich versucht, das Problem mit meinem eigenen Manifest zu beheben. Ich habe einige Änderungen an meinem .proDatei gemacht, aber das ändert nichts:

#------------------------------------------------- 
# 
# Project created by QtCreator 2016-07-04T19:45:28 
# 
#------------------------------------------------- 

QT  += core gui 

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets 

TARGET = FastsFood 
TEMPLATE = app 

android { 
     OTHER_FILES += android/AndroidManifest.xml 
     ANDROID_PACKAGE_SOURCE_DIR = $$PWD/ 
} 

@ 
QT += multimedia 
QT += gui 
@ 

SOURCES += main.cpp\ 
     start.cpp 

HEADERS += start.h 

FORMS += start.ui 

CONFIG += mobility 
MOBILITY = 

Answer 1

Die Antwort ist einfach: nicht Android Studio-Pakete von NDK und SDK mit Qt verwenden. Sie müssen nur separate Pakete von der offiziellen Website herunterladen (diese befinden sich etwas unterhalb der Download-Links von Android Studio) und Android SDK-Pakete und NDK sowie die letzte Version des JDK installieren.