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Improve ergonomics of calling Java from C++ #11

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jfirebaugh opened this issue Apr 24, 2017 · 0 comments
Open

Improve ergonomics of calling Java from C++ #11

jfirebaugh opened this issue Apr 24, 2017 · 0 comments

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@jfirebaugh
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jfirebaugh commented Apr 24, 2017 •
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To call a Java method from C++, you currently must do quite a lot. As an example, consider Number::floatValue. You must:

  • Define class Float with a Name method returning "java/lang/Float"
  • Declare and initialize a jni::Class<Float>
  • Call GetMethod<jni::jfloat ()>(env, "floatValue") on it
  • Once you have an Object<Number> instance, do number.Call(env, method)

Ideally, you'd be able to just do number.floatValue(). Is there any way we can get closer to that?

Refs mapbox/mapbox-gl-native#8809
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