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QAndroidJniEnvironment Class

The QAndroidJniEnvironment provides access to the JNI Environment. More...

Header: #include <QAndroidJniEnvironment>
qmake: QT += androidextras
Since: Qt 5.2

Public Functions

QAndroidJniEnvironment()
~QAndroidJniEnvironment()
JNIEnv * operator JNIEnv *() const
JNIEnv * operator->()

Static Public Members

int * javaVM()

Detailed Description

The QAndroidJniEnvironment provides access to the JNI Environment.

Member Function Documentation

QAndroidJniEnvironment::QAndroidJniEnvironment()

Constructs a new QAndroidJniEnvironment object and attach the current thread to the Java VM.

bool exceptionCheck()
{
    /*
      The QAndroidJniEnvironment attaches the current thread to the JavaVM on
      creation and detach when it goes out of scope.
     */
    QAndroidJniEnvironment qjniEnv;
    return qjniEnv->ExceptionCheck();
}

QAndroidJniEnvironment::~QAndroidJniEnvironment()

Detaches the current thread from the Java VM and destroys the QAndroidJniEnvironment object.

[static] int *QAndroidJniEnvironment::javaVM()

Returns the Java VM interface.

JNIEnv *QAndroidJniEnvironment::operator JNIEnv *() const

Returns the JNI Environment pointer.

JNIEnv *QAndroidJniEnvironment::operator->()

Provides access to the QAndroidJniEnvironment's JNIEnv pointer.

© The Qt Company Ltd
Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-5/qandroidjnienvironment.html