C++ QAndroidJniEnvironment::FindClass方法代码示例

本文整理汇总了C++中QAndroidJniEnvironment::FindClass方法的典型用法代码示例。如果您正苦于以下问题：C++ QAndroidJniEnvironment::FindClass方法的具体用法？C++ QAndroidJniEnvironment::FindClass怎么用？C++ QAndroidJniEnvironment::FindClass使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QAndroidJniEnvironment的用法示例。

在下文中一共展示了QAndroidJniEnvironment::FindClass方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: addToImageGallery

void Wpp::addToImageGallery(const QString& imageFullPath)
{

#if defined(Q_OS_ANDROID)
	/*
	 http://stackoverflow.com/questions/2170214/image-saved-to-sdcard-doesnt-appear-in-androids-gallery-app
	File imageFile = ...
	MediaScannerConnection.scanFile(this, new String[] { imageFile.getPath() }, new String[] { "image/jpeg" }, null);
	 */

	QAndroidJniObject activity = QtAndroid::androidActivity();
	qDebug() << __FUNCTION__ << "activity.isValid()=" << activity.isValid();

	QAndroidJniEnvironment env;

	//new String[] { imageFile.getPath() }
	jobjectArray imageFilePaths = (jobjectArray)env->NewObjectArray(
		1,
		env->FindClass("java/lang/String"),
		(jobject)0
	);
	QAndroidJniObject imagePathJString = QAndroidJniObject::fromString(imageFullPath);
	env->SetObjectArrayElement(
		imageFilePaths, 0, imagePathJString.object<jstring>() );

	//new String[] { "image/jpeg", "image/png", "image/gif" }
	jobjectArray imageFileTypes = (jobjectArray)env->NewObjectArray(
		3,
		env->FindClass("java/lang/String"),
		(jobject)0
	);
	QAndroidJniObject imageType1 = QAndroidJniObject::fromString("image/jpeg");
	env->SetObjectArrayElement(
		imageFileTypes, 0, imageType1.object<jstring>() );
	QAndroidJniObject imageType2 = QAndroidJniObject::fromString("image/png");
	env->SetObjectArrayElement(
		imageFileTypes, 1, imageType2.object<jstring>() );
	QAndroidJniObject imageType3 = QAndroidJniObject::fromString("image/gif");
	env->SetObjectArrayElement(
		imageFileTypes, 2, imageType3.object<jstring>() );


	QAndroidJniObject::callStaticMethod<void>("android/media/MediaScannerConnection",
											  "scanFile",
											  "(Landroid/content/Context;[Ljava/lang/String;[Ljava/lang/String;Landroid/media/MediaScannerConnection$OnScanCompletedListener;)V",
											  activity.object<jobject>(),
											  imageFilePaths, imageFileTypes, (jobject)0);



	env->DeleteLocalRef(imageFilePaths);
	env->DeleteLocalRef(imageFileTypes);

#else

#endif


}

开发者ID:AndrewDesign，项目名称:wpp-qt，代码行数:59，代码来源:Wpp.cpp

示例2: createHashMap

static jobject createHashMap(const QVariantMap &data) {
    QAndroidJniEnvironment env;

    jclass mapClass = env->FindClass("java/util/HashMap");

    if (mapClass == NULL)  {
        qWarning() << "Failed to find class" << "java/util/HashMap";
        return NULL;
    }

    jclass integerClass = env->FindClass("java/lang/Integer");

    jmethodID integerConstructor = env->GetMethodID(integerClass, "<init>", "(I)V");

    jclass booleanClass = env->FindClass("java/lang/Boolean");
    jmethodID booleanConstructor = env->GetMethodID(booleanClass,"<init>","(Z)V");


    jsize map_len = data.size();

    jmethodID init = env->GetMethodID(mapClass, "<init>", "(I)V");
    jobject hashMap = env->NewObject( mapClass, init, map_len);

    jmethodID put = env->GetMethodID( mapClass, "put",
                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");


    QMapIterator<QString, QVariant> iter(data);
    while (iter.hasNext()) {
        iter.next();

//        qDebug() << iter.key() << iter.value();
        QString key = iter.key();
        jstring jkey = env->NewStringUTF(key.toLocal8Bit().data());
        QVariant v = iter.value();
        if (v.type() == QVariant::String) {
            QString str = v.toString();
            jstring vString = env->NewStringUTF(str.toLocal8Bit().data());
            env->CallObjectMethod(hashMap,put,jkey,vString);
        } else if (v.type() == QVariant::Int) {
            jobject integer = env->NewObject(integerClass,integerConstructor,v.toInt());
            env->CallObjectMethod(hashMap,put,jkey,integer);
        } else if (v.type() == QVariant::Bool) {
            jobject boolean = env->NewObject(booleanClass,booleanConstructor,v.toBool());
            env->CallObjectMethod(hashMap,put,jkey,boolean);
        } else {
            qWarning() << "QASystemDispatcher: Non-supported data type - " <<  v.type();
        }
     }

    if (env->ExceptionOccurred()) {
        env->ExceptionDescribe();
        env->ExceptionClear();
    }

    return hashMap;
}

开发者ID:FirmwareARM，项目名称:quickandroid，代码行数:57，代码来源:qasystemdispatcher.cpp

示例3: callStaticBooleanMethod

void tst_QAndroidJniObject::callStaticBooleanMethod()
{
    QAndroidJniEnvironment env;
    jclass cls = env->FindClass("java/lang/Boolean");
    QVERIFY(cls != 0);

    {
        QAndroidJniObject parameter = QAndroidJniObject::fromString("true");
        QVERIFY(parameter.isValid());

        jboolean b = QAndroidJniObject::callStaticMethod<jboolean>(cls,
                                                            "parseBoolean",
                                                            "(Ljava/lang/String;)Z",
                                                            parameter.object<jstring>());
        QVERIFY(b);
    }

    {
        QAndroidJniObject parameter = QAndroidJniObject::fromString("false");
        QVERIFY(parameter.isValid());

        jboolean b = QAndroidJniObject::callStaticMethod<jboolean>(cls,
                                                            "parseBoolean",
                                                            "(Ljava/lang/String;)Z",
                                                            parameter.object<jstring>());
        QVERIFY(!b);
    }
}

开发者ID:Drakey83，项目名称:steamlink-sdk，代码行数:28，代码来源:tst_qandroidjniobject.cpp

示例4: registerNatives

void QASystemDispatcher::registerNatives()
{
#ifdef Q_OS_ANDROID
    QAndroidJniEnvironment env;
    jclass clazz = env->FindClass(JCLASS_Name);
    if (!clazz)
    {
        qCritical() << QString("Can't find %1 class").arg(QString(JCLASS_Name));
        return ;
    }

    JNINativeMethod methods[] =
    {
        {"jniEmit", EMIT_SIGNATURE, (void *)&jniEmit},
    };

    int numMethods = sizeof(methods) / sizeof(methods[0]);
    if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
        if (env->ExceptionOccurred()) {
            env->ExceptionDescribe();
            env->ExceptionClear();
            qCritical() << "Exception occurred!!!";
            return;
        }
    }
#endif
}

开发者ID:FirmwareARM，项目名称:quickandroid，代码行数:27，代码来源:qasystemdispatcher.cpp