Effective Android NDK Advanced Core Engineer

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しげのぶほがり
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1 Effective Android NDK Advanced Core Engineer

2 Effective Android NDK

3 Effective Android NDK NDK NDK NDK JNI

4 Effective Android NDK native java native NDK

5 NDK

6 NDK C, C++ native toolset Android java native

7 NDK

8 Android... native

9 3D

10 ... OpenGL ES

11 C, C++ Android iphone OpenGL ES API

12 ... 3D androido3d Android iphone

13 NDK

14 Android NDK, revision5 NDK NDK eclipse, ADT, Android SDK Windows cygwin

15 ... java eclipse native emacs eclipse CDT...

16 JNI

17 JNI Android

18 native native

19 NDK tweet... VM JNI reply...

20 ... JNI

21 native

22 NDK java native java native

23 ... java X,Y,Z native X,Y,Z

24 Java OpenGL ES (X, Y, Z) Java

25 java native

26 java java.nio.bytebuffer

27 java.nio.bytebuffer ByteBuffer Java

28 Java

29 buffer import java.nio.bytebuffer import java.nio.floatbuffer... int num = * 3 * 4; // 3... x, y, z 4... float float x = X ; float y = Y ; float z = Z ; ByteBuffer buffer = ByteBuffer.allocateDirect(num); buffer.order(byteorder.nativeorder()); FloatBuffer floatbuffer = buffer.asfloatbuffer(); floatbuffer.put(x); //put 1 floatbuffer.put(y); floatbuffer.put(z); nativesetpositionbuffer(floatbuffer, ); //JNI

30 buffer import java.nio.bytebuffer import java.nio.floatbuffer... int num = * 3 * 4; // 3... x, y, z 4... float float x = X ; float y = Y ; float z = Z ; ByteBuffer buffer = ByteBuffer.allocateDirect(num); buffer.order(byteorder.nativeorder()); FloatBuffer floatbuffer = buffer.asfloatbuffer(); floatbuffer.put(x); //put 1 floatbuffer.put(y); floatbuffer.put(z); nativesetpositionbuffer(floatbuffer, ); //JNI

31 import java.nio.bytebuffer import java.nio.floatbuffer... int num = * 3 * 4; // 3... x, y, z 4... float float x = X ; float y = Y ; float z = Z ; ByteBuffer buffer = ByteBuffer.allocateDirect(num); buffer.order(byteorder.nativeorder()); FloatBuffer floatbuffer = buffer.asfloatbuffer(); floatbuffer.put(x); //put 1 floatbuffer.put(y); floatbuffer.put(z); nativesetpositionbuffer(floatbuffer, ); //JNI

33 JNIEXPORT void JNICALL Java_com_foo_bar_nativeSetPositionBuffer (JNIEnv *env, jobject thiz, jobject buffer, jint num) { float *buf = (float *)env->getdirectbufferaddress(buffer); for(int i = 0; i < num; i++) { float x = *buf++; // Java X } } float y = *buf++; // Java Y float z = *buf++; // Java Z...

34 JNIEXPORT void JNICALL Java_com_foo_bar_nativeSetPositionBuffer (JNIEnv *env, jobject thiz, jobject buffer, jint num) { float *buf = (float *)env->getdirectbufferaddress(buffer); for(int i = 0; i < num; i++) { float x = *buf++; // Java X } } float y = *buf++; // Java Y float z = *buf++; // Java Z...

35 NDK

36 toolchain (Stable API)

37 android-ndk-1.5_r1 libc (C library) headers libm (math library) JNI interface headers libz (Zlib compression) liblog (Android logging) C++ <cstddef>,<new>,<utility>,<stl_pair.h>

38 android-ndk-1.6_r1 libc (C library) headers libm (math library) JNI interface headers libz (Zlib compression) liblog (Android logging) C++ <cstddef>,<new>,<utility>,<stl_pair.h> The OpenGL ES 1.x Library

39 android-ndk-r3 libc (C library) headers libm (math library) JNI interface headers libz (Zlib compression) liblog (Android logging) C++ <cstddef>,<new>,<utility>,<stl_pair.h> OpenGL ES 1.x and OpenGL ES 2.0 Library

40 toolchain, r5 libc (C library) headers JNI interface headers libm (math library) headers libz (Zlib compression) headers liblog (Android logging) header OpenGL ES 1.1 and OpenGL ES 2.0 (3D graphics libraries) headers

41 toolchain, r5 libjnigraphics (Pixel buffer access) header (for Android 2.2 and above). A Minimal set of headers for C++ support OpenSL ES native audio libraries Android native application APIS

42 r5 STL assets Activity native

43 native

日本アンドロイドの会四国支部 Kickoff ミーティング in ABC2009

日本アンドロイドの会四国支部 Kickoff ミーティング in ABC2009 NDK の使い方 Android のネイティブ開発環境 2009.8.14 20:25-21:00 京都リサーチパーク 4 号館 2F ルーム 2A 日本 Android の会幹事四国支部長瀬戸直喜この資料の一部は Google が作成提供しているコンテンツをベースに変更したものでクリエイティブコモンズの表示 2.5 ライセンスに記載の条件に従って使用していますアジェンダ概要イントロダクション