/* * Copyright (C) 2010 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. */ #define LOG_TAG "UsbDeviceJNI" #include "utils/Log.h" #include "jni.h" #include "JNIHelp.h" #include "core_jni_helpers.h" #include using namespace android; static jint android_hardware_UsbDevice_get_device_id(JNIEnv *env, jobject clazz, jstring name) { const char *nameStr = env->GetStringUTFChars(name, NULL); int id = usb_device_get_unique_id_from_name(nameStr); env->ReleaseStringUTFChars(name, nameStr); return id; } static jstring android_hardware_UsbDevice_get_device_name(JNIEnv *env, jobject clazz, jint id) { char* name = usb_device_get_name_from_unique_id(id); jstring result = env->NewStringUTF(name); free(name); return result; } static JNINativeMethod method_table[] = { // static methods { "native_get_device_id", "(Ljava/lang/String;)I", (void*)android_hardware_UsbDevice_get_device_id }, { "native_get_device_name", "(I)Ljava/lang/String;", (void*)android_hardware_UsbDevice_get_device_name }, }; int register_android_hardware_UsbDevice(JNIEnv *env) { return RegisterMethodsOrDie(env, "android/hardware/usb/UsbDevice", method_table, NELEM(method_table)); }