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author | Assam Boudjelthia <assam.boudjelthia@qt.io> | 2020-05-07 13:30:33 +0300 |
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committer | Volker Hilsheimer <volker.hilsheimer@qt.io> | 2020-05-18 13:31:45 +0200 |
commit | b80262f9d844b01c713c7df32754fc8194de900f (patch) | |
tree | 64dacec5d61e68abb92241c947206ed6058bb577 | |
parent | a943ae881a897f0bacfdda94725a2bfd6028766e (diff) |
Docs: Add a snippet for findClass usage
Task-number: QTBUG-83038
Change-Id: Ic789dfc55d73fba39ed2acf8f1b4376f772b7626
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
(cherry picked from commit 9d11c9fe80e1c6801e1b378efeebf9127887a60a)
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
-rw-r--r-- | src/androidextras/jni/qandroidjnienvironment.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/androidextras/jni/qandroidjnienvironment.cpp b/src/androidextras/jni/qandroidjnienvironment.cpp index 85db472..10bf229 100644 --- a/src/androidextras/jni/qandroidjnienvironment.cpp +++ b/src/androidextras/jni/qandroidjnienvironment.cpp @@ -93,6 +93,21 @@ QT_BEGIN_NAMESPACE Returns the class pointer or null if is not found. + A use case for this function is searching for a custom class then calling + its memeber method. The following code snippet create an instance of the + class \c CustomClass and then calls \c printFromJava() method: + + \code + QAndroidJniEnvironment env; + jclass javaClass = env.findClass("org/qtproject/example/qtandroidextras/CustomClass"); + QAndroidJniObject classObject(javaClass); + + QAndroidJniObject javaMessage = QAndroidJniObject::fromString("findClass example"); + classObject.callMethod<void>("printFromJava", + "(Ljava/lang/String;)V", + javaMessage.object<jstring>()); + \badcode + \since Qt 5.12 */ |