ABC2011 Summerの直前だか何かに破棄したやつ。

1. Android3.0
Honeycomb
High-performance 2D and 3D graphics
Support for multicore processor architectures
Rich multimedia and connectivity
2011 7 12

2. Who am I ?
TOSHIHIRO YAGI
Market:
Blog: http://visible-true.blogspot.com/
Twitter: @sys1yagi
2011 7 12

3. http://www.flickr.com/photos/bistrosavage/1313589/
High-performance 2D and 3D graphics
2011 7 12

4. Animation Framework
http://www.flickr.com/photos/kudumomo/2354710896/
2011 7 12

5. android.animation
interface class
• Animator.AnimatorListener • Animator
• LayoutTransition.TransitionListener • AnimatorInflator
• TimeInterpolator • AnimatorListenerAdapter
• TypeEvalutor • AnimatorSet
• ValueAnimator.AnimatorUpdateListener • AnimatorSet.Builder
• ArgbEvalutor
• FloatEvalutor
• IntEvalutor
• Keyframe
• LayoutTransition
• ObjectAnimator
• PropertyValueHolder
• ValueAnimator
2011 7 12

6. •
(100,100) ValueAnimator
AnimationUpdateListener
duration:1000
onAnimationUpdate(ValueAnimator animator){
from:0
value = (Float)animator.getAniamtionValue();
to:100
x = initialX + (value*2);
y = initialY + value;
invalidate();
(300,200) }
2011 7 12

7. • ObjectAnimator
• ViewGroup LayoutTransition
• TypeEvaluator
• ( ) Keyframe
• AnimatorSet
2011 7 12

8. Hardware accelerated
2D Graphics
http://www.flickr.com/photos/uriba/2228346515/
2011 7 12

9. • AndroidManifest.xml 2D
<application android:hardwareAccelerated=”true” />
<activity android:hardwareAccelerated=”true” />
OpenGL
2011 7 12

10. • View onDraw
100
2011 7 12

11. • =false 20msec
• =true 4msec
5
SurfaceView
2011 7 12

12. •
SurfaceView H/W etc...
2011 7 12

13. View support for
hardware and
software layers
View
http://www.flickr.com/photos/zooboing/4310581954/
2011 7 12

14. • View setLayerType(int)
LAYER_TYPE_HARDWARE
• OpenGL
LAYER_TYPE_SOFTWARE
• Bitmap
2011 7 12

15. Renderscript 3D
graphics engine
http://www.flickr.com/photos/arenamontanus/3359137341/
2011 7 12

16. Youtube
2011 7 12

17. android.renderscript
• 3D
•C
• CPU,GPU
ScriptC_A.java
RenderScript
A.d
A.rs llvm-rs-cc.exe
RenderScript
RenderScript
A.bc
RenderScript
2011 7 12

18. •
•
•
•
•
NDK,OpenGL
2011 7 12

19. • RenderScript
•
• OpenGL
OpenGL
2011 7 12

20. http://www.flickr.com/photos/mccheek/1471251914/
Support for processor
multicore processor architectures
2011 7 12

21. Support for
multicore processor
architectures
http://www.flickr.com/photos/fancy-diamonds/5511634443/
2011 7 12

22. •Android3.0
•Dalvik VM Bionic
•
2011 7 12

23. 2011 7 12

24. •
final long start = SystemClock.uptimeMillis();
Thread[] threads = new Thread[count];
for (int i = 0; i < threads.length; i++) {
threads[i] = new Thread(){
public void run() {
int items = 0;
for (int j = 0; j < Integer.MAX_VALUE; j++) {
items = j;
}
Integer.MAX_VALUE };
};
threads[i].start();
}
count for(int i = 0; i < threads.length; i++){
try{
threads[i].join();
}catch(Exception e){
throw new RuntimeException(" ");
}
}
final long end = SystemClock.uptimeMillis() - start;
2011 7 12

25. HTC-Desire
• CPU:1GHz Qualcomm®
QSD8250 Snapdragon®
• : 576MB
2011 7 12

26. HTC-Desire
2011 7 12

27. Optimus Pad
• CPU:NVIDIA® Tegra™2 1GHz x 2
• : 1GB
2011 7 12

28. Optimus Pad 2
2011 7 12

29. 2011 7 12

30. • 3 4
HTC-Desire Optimus Pad
3 95294msec 33803msec
4 125017msec 43280msec
2011 7 12

31. http://www.flickr.com/photos/krayker/2268587409/
Rich multimedia and conectivity media
2011 7 12

32. Time lapse video
http://www.flickr.com/photos/skyseeker/312716886/
2011 7 12

33. •
http://www.flickr.com/photos/sketch-book/41095087/
http://www.flickr.com/photos/sketch-book/35507705/
2011 7 12

34. • MediaRecoder setProfile(CamcorderProfile)
setCaptureRate(double fps)
MediaRecorder recoder = new MediaRecorder();
recoder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
recoder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_TIME_LAPSE_480P));
recoder.setCaptureRate(fps);
recoder.setOutputFile(Environment.getExternalStorageDirectory().getAbsolutePath() +
"/test.mp4");
recoder.setPreviewDisplay(holder.getSurface());
recoder.prepare();
recoder.start();
2011 7 12

35. • 1
• =1
4 20 5
2011 7 12

36. getSupportedPreviewFpsRange()
getSupportedPreviewFrameRates()
•
android.hardware.Camera.Parameters
Optimus Pad :
:4 35
: 5,10,15,20,24,25,30
2011 7 12

37. Texture support for
image streams
http://www.flickr.com/photos/romanywg/4065904913/
2011 7 12

38. android.graphics.SurfaceTexture
• OpenGL
OpenGL
2011 7 12

39. 2011 7 12

40. mTextureID = textures[0];
GLES20.glBindTexture(0x8D65, mTextureID);
camera = Camera.open();
SurfaceTexture surfaceTexture = new SurfaceTexture(mTextureID);
Parameters param = camera.getParameters();
Size size = param.getPreviewSize();
camera.setPreviewTexture(surfaceTexture);
camera.startPreview();
2011 7 12

41. HTTP live streaming
http://www.flickr.com/photos/nikonvscanon/2081397439/
2011 7 12

42. • HTTP live streaming draft protocol
• m3u URL MediaPlayer
2011 7 12

43. 2011 7 12

44. path = "http://std1.ladio.net:8060/i-j-y-u-i-n--.m3u";
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(path);
mMediaPlayer.setDisplay(holder);
mMediaPlayer.prepare();
mMediaPlayer.setOnBufferingUpdateListener(this);
mMediaPlayer.setOnCompletionListener(this);
mMediaPlayer.setOnPreparedListener(this);
mMediaPlayer.setOnVideoSizeChangedListener(this);
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
2011 7 12

45. EXIF data
http://www.flickr.com/photos/qubodup/4094723007/
2011 7 12

46. EXIF
• Exchangeable Image File Format JPEG
etc...
http://www.flickr.com/photos/krasi/2462179084/
2011 7 12

47. • (TAG_APERTURE)
• (TAG_EXPOSURE_TIME)
• ISO (TAG_ISO)
android.media.ExifInterface
2011 7 12

48. Camcorder profiles
http://www.flickr.com/photos/picken/5283258818/
2011 7 12

49. android.media.CamcorderProfile
Added Fields Added Methods
int QUALITY_1080P boolean hasProfile(int)
int QUALITY_480P boolean hasProfile(int, int)
int QUALITY_720P
int QUALITY_CIF
int QUALITY_QCIF
int QUALITY_TIME_LAPSE_1080P
int QUALITY_TIME_LAPSE_480P
int QUALITY_TIME_LAPSE_720P
int QUALITY_TIME_LAPSE_CIF
int QUALITY_TIME_LAPSE_HIGH
int QUALITY_TIME_LAPSE_LOW
int QUALITY_TIME_LAPSE_QCIF
2011 7 12

50. Digital rights
management (DRM)
http://www.flickr.com/photos/ideonexus/5176340670/
2011 7 12

51. DRM API
• Java API
• DRM
3.0
Optimus Pad
3.1 XOOM Widevine DRM plug-in
2011 7 12