xref: /aosp_15_r20/frameworks/base/core/tests/FileSystemUtilsTest/jni/android_test_jni_source.cpp (revision d57664e9bc4670b3ecf6748a746a57c557b6bc9e)
1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <jni.h>
18 
19 // This will be called from embedded_native_libs_test_app
20 extern "C" JNIEXPORT
Java_android_test_embedded_MainActivity_add(JNIEnv *,jclass,jint op1,jint op2)21 jint JNICALL Java_android_test_embedded_MainActivity_add(JNIEnv*, jclass, jint op1, jint op2) {
22     return op1 + op2;
23 }
24 
25 extern "C" JNIEXPORT
Java_android_test_pagesizecompat_MainActivity_add(JNIEnv *,jclass,jint op1,jint op2)26 jint JNICALL Java_android_test_pagesizecompat_MainActivity_add(JNIEnv*, jclass, jint op1, jint op2)
27 {
28     return op1 + op2;
29 }
30 
31 // This will be called from extract_native_libs_test_app
32 extern "C" JNIEXPORT
Java_android_test_extract_MainActivity_subtract(JNIEnv *,jclass,jint op1,jint op2)33 jint JNICALL Java_android_test_extract_MainActivity_subtract(JNIEnv*, jclass, jint op1, jint op2) {
34     return op1 - op2;
35 }
36 
37 // Initialize JNI
JNI_OnLoad(JavaVM * jvm,void *)38 jint JNI_OnLoad(JavaVM *jvm, void */* reserved */) {
39     JNIEnv *e;
40 
41     // Check JNI version
42     if (jvm->GetEnv((void **) &e, JNI_VERSION_1_6)) {
43         return JNI_ERR;
44     }
45 
46     return JNI_VERSION_1_6;
47 }
48