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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This is an example of an Android Mojo app that is composed of native code and | 5 // This is an example of an Android Mojo app that is composed of native code and |
6 // Java code that the native code calls into. In particular, we call to Java | 6 // Java code that the native code calls into. In particular, we call to Java |
7 // upon entering MojoMain to retrieve the name of the device that the | 7 // upon entering MojoMain to retrieve the name of the device that the |
8 // application is running on and print it out to the log. | 8 // application is running on and print it out to the log. |
9 // | 9 // |
10 // To run the example: | 10 // To run the example: |
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48 std::string GetApplicationClassName() { | 48 std::string GetApplicationClassName() { |
49 JNIEnv* env = base::android::AttachCurrentThread(); | 49 JNIEnv* env = base::android::AttachCurrentThread(); |
50 jobject context = base::android::GetApplicationContext(); | 50 jobject context = base::android::GetApplicationContext(); |
51 return base::android::ConvertJavaStringToUTF8( | 51 return base::android::ConvertJavaStringToUTF8( |
52 env, Java_DeviceName_getApplicationClassName(env, context).obj()); | 52 env, Java_DeviceName_getApplicationClassName(env, context).obj()); |
53 } | 53 } |
54 | 54 |
55 } // namespace examples | 55 } // namespace examples |
56 } // namespace mojo | 56 } // namespace mojo |
57 | 57 |
58 MojoResult MojoMain(MojoHandle shell_handle) { | 58 MojoResult MojoMain(MojoHandle application_request) { |
59 // Call a Java function to demonstrate that the JNI was correctly set up. | 59 // Call a Java function to demonstrate that the JNI was correctly set up. |
60 LOG(INFO) << "Device name: " << mojo::examples::GetDeviceName(); | 60 LOG(INFO) << "Device name: " << mojo::examples::GetDeviceName(); |
61 | 61 |
62 // Call a function that uses the application context to demonstrate that it | 62 // Call a function that uses the application context to demonstrate that it |
63 // was properly set. | 63 // was properly set. |
64 LOG(INFO) << "Application class: " | 64 LOG(INFO) << "Application class: " |
65 << mojo::examples::GetApplicationClassName(); | 65 << mojo::examples::GetApplicationClassName(); |
66 | 66 |
67 // Call a Mojo core function to demonstrate that the thunks were properly set. | 67 // Call a Mojo core function to demonstrate that the thunks were properly set. |
68 MojoTimeTicks ticks = MojoGetTimeTicksNow(); | 68 MojoTimeTicks ticks = MojoGetTimeTicksNow(); |
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82 } | 82 } |
83 | 83 |
84 // This is needed only if the application actually needs to access the | 84 // This is needed only if the application actually needs to access the |
85 // application context. For instance, GetDeviceName() itself doesn't need it, | 85 // application context. For instance, GetDeviceName() itself doesn't need it, |
86 // but we use it for demonstrative purposes in GetApplicationClassName(). | 86 // but we use it for demonstrative purposes in GetApplicationClassName(). |
87 extern "C" JNI_EXPORT void InitApplicationContext( | 87 extern "C" JNI_EXPORT void InitApplicationContext( |
88 const base::android::JavaRef<jobject>& context) { | 88 const base::android::JavaRef<jobject>& context) { |
89 JNIEnv* env = base::android::AttachCurrentThread(); | 89 JNIEnv* env = base::android::AttachCurrentThread(); |
90 base::android::InitApplicationContext(env, context); | 90 base::android::InitApplicationContext(env, context); |
91 } | 91 } |
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