![[PukiWiki]](image/bc_logo.png "[PukiWiki]"){kind=logo}
[[Android]]~ [[Android userland for bc9 (2/2)]]~ #contents *Setting up Android userland 1 [#s7ac0872] This instruction assumes that you get and build open source version of Android source code. It is assumed that you get and build open source version of Android source code. -[[Get source ‎(Android Open Source Project):http://source.android.com/download]] Before you proceed, please install and set up required applications or packages in advance to build Android source code. Before you proceed, please install and set up required applications and packages in advance to build Android source code. **Obtaining source [#p9b4af08] +Make an directory for operation: +Make an directory: $ mkdir mydroid $ cd mydroid +And init repo. This time we use master branch. (We are using source code checked out at March 20, 2009)~ +Init repo. This time we use master branch. (We are using source code checked out at March 20, 2009)~ $ repo init -u git://android.git.kernel.org/platform/manifest.git +Checkout source code. $ repo sync Confirm that following directories are exist: Make sure that following directories are exist: $ ls Makefile build external kernel system bionic dalvik frameworks packages bootable development hardware prebuilt **Adjustment for gumstix [#f9c77680] In order to work Android on gumstix, we add small modifications on some source codes.~ In order to run Android on gumstix, we add small modifications on some source codes.~ (Some of these may be not necessary. Though we add these modification and succeeded.)~ &color(red){On April 2009 a lots of source code are merged from cupcake development branch to master branch. Due to this merging, further modifications may be required when you use current master branch source code.};~ (reference http://androidzaurus.seesaa.net/article/116995835.html )~ +~Setting up not to use pmem~ +~Disable pmem~ （reference　 http://groups.google.co.jp/group/android-embedded-japan/browse_thread/thread/bc549dab23f6cbac#）~ pmem is a function for heap large continuous physics memory region.~ pmem is a function to allocate a large continuous physical memory region.~ When pmem is enabled, Android won't work on gumstix. ~/mydroid/system/core/init/devices.c So modify this file as follows: diff -u devices.c.original devices.c --- devices.c.original 2009-03-30 19:05:50.000000000 +0900 +++ devices.c 2009-03-11 19:13:54.000000000 +0900 @@ -109,9 +109,9 @@ { "/dev/eac", 0660, AID_ROOT, AID_AUDIO, 0 }, { "/dev/cam", 0660, AID_ROOT, AID_CAMERA, 0 }, { "/dev/pmem", 0660, AID_SYSTEM, AID_GRAPHICS, 0 }, - { "/dev/pmem_gpu", 0660, AID_SYSTEM, AID_GRAPHICS, 1 }, - { "/dev/pmem_adsp", 0660, AID_SYSTEM, AID_AUDIO, 1 }, - { "/dev/pmem_camera", 0660, AID_SYSTEM, AID_CAMERA, 1 }, + { "/dev/pmem_gpu", 0660, AID_SYSTEM, AID_GRAPHICS, 0 }, + { "/dev/pmem_adsp", 0660, AID_SYSTEM, AID_AUDIO, 0 }, + { "/dev/pmem_camera", 0660, AID_SYSTEM, AID_CAMERA, 0 }, { "/dev/oncrpc/", 0660, AID_ROOT, AID_SYSTEM, 1 }, { "/dev/adsp/", 0660, AID_SYSTEM, AID_AUDIO, 1 }, { "/dev/mt9t013", 0660, AID_SYSTEM, AID_SYSTEM, 0 }, +~Fixing drawing position of Boot animation~ To fix position of Android's logo and robot blinking animation on start up, add following modifications.~ (reference https://review.source.android.com/Gerrit#change,1552 ) ~ -Modifying source code~ ~/mydroid/frameworks/base/libs/surfaceflinger/BootAnimation.cpp Modify source code as follows: diff -u BootAnimation.cpp.original BootAnimation.cpp --- BootAnimation.cpp.original 2009-03-30 19:53:25.000000000 +0900 +++ BootAnimation.cpp 2009-03-25 20:59:04.000000000 +0900 @@ -196,6 +196,7 @@ return r; } +static const int RIGHT_MARGIN = 112; bool BootAnimation::android() { - initTexture(&mAndroid[0], mAssets, "images/android_320x480.png"); + initTexture(&mAndroid[0], mAssets, "images/android_480x272.png"); initTexture(&mAndroid[1], mAssets, "images/boot_robot.png"); initTexture(&mAndroid[2], mAssets, "images/boot_robot_glow.png"); @@ -219,24 +221,28 @@ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); const int steps = 8; + int x = (mWidth - mAndroid[0].w)/2; + int y = (mHeight - mAndroid[0].h)/2; + x = (x < 0) ? 0 : x; + y = (y < 0) ? 0 : y; for (int i=1 ; i<steps ; i++) { float fade = i / float(steps); glColor4f(1, 1, 1, fade*fade); glClear(GL_COLOR_BUFFER_BIT); - glDrawTexiOES(0, 0, 0, mAndroid[0].w, mAndroid[0].h); + glDrawTexiOES(x, y, 0, mAndroid[0].w, mAndroid[0].h); eglSwapBuffers(mDisplay, mSurface); } // draw last frame glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glDisable(GL_BLEND); - glDrawTexiOES(0, 0, 0, mAndroid[0].w, mAndroid[0].h); + glDrawTexiOES(x, y, 0, mAndroid[0].w, mAndroid[0].h); eglSwapBuffers(mDisplay, mSurface); // update rect for the robot - const int x = mWidth - mAndroid[1].w - 33; - const int y = (mHeight - mAndroid[1].h)/2 - 1; + x = mWidth - (mWidth - mAndroid[0].w)/2 - mAndroid[1].w - RIGHT_MARGIN; + y = (mHeight - mAndroid[1].h)/2 - 1; const Rect updateRect(x, y, x+mAndroid[1].w, y+mAndroid[1].h); // draw and update only what we need -Replace image file~ From the image file used in BootAnimation.cpp, ~/mydroid/frameworks/base/core/res/assets/images/android_320x480.png We made an image file android_480x272.png, fitted to gumstix LCD's resolution.~ Put this android_480x272.png file in same directory as android_320x480.png.~ &ref(android_480x272.png);~ +~Modifying key event check ~ (reference http://ozetchi.cocolog-nifty.com/amerika/2009/02/post-6a82.html ) ~ ~mydroid/frameworks/base/services/java/com/android/server/KeyInputQueue.java Modify this file as follows: diff -u KeyInputQueue.java.original KeyInputQueue.java --- KeyInputQueue.java.original 2009-03-30 19:23:51.000000000 +0900 +++ KeyInputQueue.java 2009-03-11 12:31:56.000000000 +0900 @@ -247,7 +247,7 @@ } if (!send) { - continue; +// continue; } synchronized (mFirst) { This modification is for accepting key input event certainly.~ **build [#ifc21761] After you finish those modifications, move to mydroid directory and build: $ cd ~/mydroid $ make [[Android userland for bc9 (2/2)]] --------------------------------------- RIGHT:by Satoshi OTSUKA
