adding support for plugins to use the java view system.

Change-Id: I7305300dfc09e3e0968a1e61c21a6a2cdb983594

samples/BrowserPlugin/jni/hello-jni.cpp

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+#include <string.h>
+#include <jni.h>
+#include <JNIHelp.h>
+#include <utils/Log.h>
+
+#define EXPORT __attribute__((visibility("default")))
+
+static jstring stringFromJNI( JNIEnv* env, jobject thiz )
+{
+    return env->NewStringUTF("Hello from JNI !");
+}
+
+/*
+ * JNI registration.
+ */
+static JNINativeMethod gJavaSamplePluginStubMethods[] = {
+    { "nativeStringFromJNI", "()Ljava/lang/String;", (void*) stringFromJNI },
+};
+
+EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+
+    JNIEnv* env = NULL;
+
+    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
+        return -1;
+    }
+
+    jniRegisterNativeMethods(env, "com/android/sampleplugin/SamplePluginStub",
+                             gJavaSamplePluginStubMethods, NELEM(gJavaSamplePluginStubMethods));
+
+    return JNI_VERSION_1_4;
+}