mirror of
https://github.com/Evolution-X/hardware_interfaces
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f2ff92f3e0
Bug: partner question
Test: # PRODUCT_PACKAGES += ExampleVibratorJavaProductClient
adb root
adb setenforce 0 # for find permission
adb shell am start -n example.vib/example.vib.MyActivity
# vibrator works
Change-Id: Ie70f4cfe0f546a43a5d11bbdd1f1143d817aab50
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <android/binder_auto_utils.h>
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#include <android/binder_ibinder_jni.h>
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#include <android/binder_manager.h>
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#include <jni.h>
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#include <log/log.h>
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extern "C" JNIEXPORT jobject JNICALL
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Java_example_vib_MyActivity_gimme__Ljava_lang_String_2(JNIEnv* env, jclass /**/, jstring str) {
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ALOGI("%s", __func__);
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// Best practice is probably libnativehelper ScopedUtfChars or
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// libbase ScopeGuard (for platform code), but this is with minimal
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// dependencies.
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const char* name = env->GetStringUTFChars(str, nullptr);
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ALOGI("example vib gimme %s", name);
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jobject jbinder = nullptr;
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// Java does not have vendor variants. It's only safe to pass a service when
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// 'vendor: true' if it is @VintfStability.
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if (AServiceManager_isDeclared(name)) {
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ndk::SpAIBinder binder = ndk::SpAIBinder(AServiceManager_waitForService(name));
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jbinder = AIBinder_toJavaBinder(env, binder.get());
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} else {
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ALOGI("not declared");
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}
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env->ReleaseStringUTFChars(str, name);
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return jbinder;
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}
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