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JNI - getting all of the primitives from Polyline #1716

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This commit is contained in:
Nicholas Hallahan
2015-07-15 18:08:23 -07:00
parent 8107501edb
commit 062a942c46
1 changed files with 44 additions and 3 deletions
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47
android/cpp/jni.cpp
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@@ -43,6 +43,9 @@ jfieldID latLngLongitudeId = nullptr;
jclass polylineClass = nullptr;
jmethodID polylineConstructorId = nullptr;
jfieldID polylineAlphaId = nullptr;
jfieldID polylineVisibleId = nullptr;
jfieldID polylineColorId = nullptr;
jfieldID polylineWidthId = nullptr;
jclass latLngZoomClass = nullptr;
jmethodID latLngZoomConstructorId = nullptr;
@@ -465,20 +468,40 @@ jlong JNICALL nativeAddPolyline(JNIEnv *env, jobject obj, jlong nativeMapViewPtr
// NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
// ***** Java fields ***** //
// float alpha;
// boolean visible;
// List<LatLng> points
// int color
// float width
// List<LatLng> points
jfloat alpha = env->GetFloatField(polyline, polylineAlphaId);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
return -1;
}
++alpha;
return (jlong)alpha;
jboolean visible = env->GetBooleanField(polyline, polylineVisibleId);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
return -1;
}
visible = JNI_TRUE;
jint color = env->GetIntField(polyline, polylineColorId);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
return -1;
}
++color;
jfloat width = env->GetFloatField(polyline, polylineWidthId);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
return -1;
}
return (jlong)width;
}
void JNICALL nativeRemoveAnnotation(JNIEnv *env, jobject obj, jlong nativeMapViewPtr, jlong annotationId) {
@@ -856,6 +879,24 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
return JNI_ERR;
}
polylineVisibleId = env->GetFieldID(polylineClass, "visible", "Z");
if (polylineVisibleId == nullptr) {
env->ExceptionDescribe();
return JNI_ERR;
}
polylineColorId = env->GetFieldID(polylineClass, "color", "I");
if (polylineColorId == nullptr) {
env->ExceptionDescribe();
return JNI_ERR;
}
polylineWidthId = env->GetFieldID(polylineClass, "width", "F");
if (polylineWidthId == nullptr) {
env->ExceptionDescribe();
return JNI_ERR;
}
latLngZoomClass = env->FindClass("com/mapbox/mapboxgl/geometry/LatLngZoom");
if (latLngZoomClass == nullptr) {
env->ExceptionDescribe();