Add generated JNI detection, update samples

samples/C/jni_layer.h

@@ -0,0 +1,61 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class jni_JniLayer */
+
+#ifndef _Included_jni_JniLayer
+#define _Included_jni_JniLayer
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ * Class:     jni_JniLayer
+ * Method:    jni_layer_initialize
+ * Signature: ([II)J
+ */
+JNIEXPORT jlong JNICALL Java_jni_JniLayer_jni_1layer_1initialize
+  (JNIEnv *, jobject, jintArray, jint, jint);
+
+/*
+ * Class:     jni_JniLayer
+ * Method:    jni_layer_mainloop
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL Java_jni_JniLayer_jni_1layer_1mainloop
+  (JNIEnv *, jobject, jlong);
+
+/*
+ * Class:     jni_JniLayer
+ * Method:    jni_layer_set_button
+ * Signature: (JII)V
+ */
+JNIEXPORT void JNICALL Java_jni_JniLayer_jni_1layer_1set_1button
+  (JNIEnv *, jobject, jlong, jint, jint);
+
+/*
+ * Class:     jni_JniLayer
+ * Method:    jni_layer_set_analog
+ * Signature: (JIIF)V
+ */
+JNIEXPORT void JNICALL Java_jni_JniLayer_jni_1layer_1set_1analog
+  (JNIEnv *, jobject, jlong, jint, jint, jfloat);
+
+/*
+ * Class:     jni_JniLayer
+ * Method:    jni_layer_report_analog_chg
+ * Signature: (JI)V
+ */
+JNIEXPORT void JNICALL Java_jni_JniLayer_jni_1layer_1report_1analog_1chg
+  (JNIEnv *, jobject, jlong, jint);
+
+/*
+ * Class:     jni_JniLayer
+ * Method:    jni_layer_kill
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL Java_jni_JniLayer_jni_1layer_1kill
+  (JNIEnv *, jobject, jlong);
+
+#ifdef __cplusplus
+}
+#endif
+#endif