public virtual void preConcat(android.graphics.ColorMatrix arg0)
{
global::MonoJavaBridge.JavaBridge.CallVoidMethod(this, global::android.graphics.ColorMatrix.staticClass, "preConcat", "(Landroid/graphics/ColorMatrix;)V", ref global::android.graphics.ColorMatrix._m7, global::MonoJavaBridge.JavaBridge.ConvertToValue(arg0));
}