Get a Rpi3 and follow the steps to flash the boot image to a SD card. Then, you are ready to explore.
I first hooked the HDMI output to my TV but the display is messy. But you can tell there is something on the screen, which is good sign that Android is running. Looks like the image stride is not correct. Probably the resolution doesn't match, e,g 1366x768 vs 1920x1080. I didn't dig further since I haven't get the adb working, yet.
It turned out adb over usb didn't work and the micro usb is for power only. So to get the adb, you have to connect the Ethernet cable (even you are very reluctant to do so as me) first and use adb over tcp.
$ adb devices
List of devices attached
$ adb connect Android.local
connected to Android.local:5555
$ adb devices
List of devices attached
Android.local:5555 device
$ adb shell
rpi3:/ $
As I said, I hate Ethernet, because I have no easy access to the Ethernet in my home office. So I want to set up the Wifi and use adb over it.
And, the doc says
Connect an Ethernet cable to your local network.
Note: You may also choose to connect over Wi-Fi.
That is misleanding, IMO. It sounds to me you can use either Ethernet or Wifi. But, to connect to Wifi you should use
adb shell commands, which means you have to connect to Ethernet first and then use adb command to connect to Wifi. The command provided works well. At least by checking the ifconfig output, wlan was assigned an IP address.
But doc here also says:
Network: Wi-Fi cannot connect to the internet if Ethernet is also connected to a network without internet access.
I have no idea what does that mean, especial the last few words.
As said, my purpose is to use the adb over Wifi, so I tried following steps but seems no luck. Maybe I messed up some steps or just didn't try enough times :)
1. Connect Ethernet
2. Connect adb over Ethernet
3. Setup Wifi using adb
4. Disconnect Ethernet
5. Reset the board and hope the Wifi will connect automatically
6. Connect adb over Wifi
With adb working, I can just dump a few things such as Partitions, Processes, Services and a few others. And, here are the (boring) dumps.
Partitions
A/B partition in place. Which is a mandatory feature for IoT device for effective seamless update.
rpi3:/ $ ls /dev/block/platform/soc/3f202000.sdhost/by-name/ -l
total 0
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 boot_a -> /dev/block/mmcblk0p4
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 boot_b -> /dev/block/mmcblk0p5
lrwxrwxrwx 1 root root 21 1970-01-01 00:00 gapps_a -> /dev/block/mmcblk0p13
lrwxrwxrwx 1 root root 21 1970-01-01 00:00 gapps_b -> /dev/block/mmcblk0p14
lrwxrwxrwx 1 root root 21 1970-01-01 00:00 misc -> /dev/block/mmcblk0p10
lrwxrwxrwx 1 root root 21 1970-01-01 00:00 oem_a -> /dev/block/mmcblk0p11
lrwxrwxrwx 1 root root 21 1970-01-01 00:00 oem_b -> /dev/block/mmcblk0p12
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 rpiboot -> /dev/block/mmcblk0p1
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 system_a -> /dev/block/mmcblk0p6
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 system_b -> /dev/block/mmcblk0p7
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 uboot_a -> /dev/block/mmcblk0p2
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 uboot_b -> /dev/block/mmcblk0p3
lrwxrwxrwx 1 root root 21 1970-01-01 00:00 userdata -> /dev/block/mmcblk0p15
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 vbmeta_a -> /dev/block/mmcblk0p8
lrwxrwxrwx 1 root root 20 1970-01-01 00:00 vbmeta_b -> /dev/block/mmcblk0p9
Process
Notes: no Weaved, no Webserved.
USER PID PPID VSIZE RSS WCHAN PC NAME
root 1 0 7336 1548 /init
root 2 0 0 0 kthreadd
root 3 2 0 0 ksoftirqd/0
root 5 2 0 0 kworker/0:0H
root 7 2 0 0 rcu_preempt
root 8 2 0 0 rcu_sched
root 9 2 0 0 rcu_bh
root 10 2 0 0 migration/0
root 11 2 0 0 migration/1
root 12 2 0 0 ksoftirqd/1
root 14 2 0 0 kworker/1:0H
root 15 2 0 0 migration/2
root 16 2 0 0 ksoftirqd/2
root 17 2 0 0 kworker/2:0
root 18 2 0 0 kworker/2:0H
root 19 2 0 0 migration/3
root 20 2 0 0 ksoftirqd/3
root 21 2 0 0 kworker/3:0
root 22 2 0 0 kworker/3:0H
root 23 2 0 0 kdevtmpfs
root 24 2 0 0 netns
root 25 2 0 0 perf
root 26 2 0 0 khungtaskd
root 27 2 0 0 writeback
root 28 2 0 0 ksmd
root 29 2 0 0 crypto
root 30 2 0 0 bioset
root 31 2 0 0 kblockd
root 33 2 0 0 cfg80211
root 34 2 0 0 rpciod
root 35 2 0 0 kswapd0
root 36 2 0 0 vmstat
root 37 2 0 0 fsnotify_mark
root 38 2 0 0 nfsiod
root 64 2 0 0 kthrotld
root 65 2 0 0 bioset
root 89 2 0 0 VCHIQ-0
root 90 2 0 0 VCHIQr-0
root 91 2 0 0 VCHIQs-0
root 92 2 0 0 iscsi_eh
root 93 2 0 0 spi0
root 94 2 0 0 dwc_otg
root 95 2 0 0 DWC Notificatio
root 96 2 0 0 VCHIQka-0
root 97 2 0 0 dm_bufio_cache
root 98 2 0 0 kworker/u8:1
root 99 2 0 0 irq/92-mmc1
root 100 2 0 0 bioset
root 101 2 0 0 mmcqd/0
root 102 2 0 0 binder
root 103 2 0 0 kworker/1:1
root 104 2 0 0 ipv6_addrconf
root 105 2 0 0 SMIO
root 106 2 0 0 deferwq
root 108 2 0 0 kworker/0:2
root 109 2 0 0 brcmf_wq/mmc1:0
root 110 2 0 0 brcmf_wdog/mmc1
root 114 2 0 0 jbd2/mmcblk0p6-
root 115 2 0 0 ext4-rsv-conver
root 116 1 2932 1132 /sbin/ueventd
root 121 2 0 0 jbd2/mmcblk0p15
root 122 2 0 0 ext4-rsv-conver
root 123 2 0 0 jbd2/mmcblk0p11
root 124 2 0 0 ext4-rsv-conver
root 125 2 0 0 jbd2/mmcblk0p13
root 126 2 0 0 ext4-rsv-conver
logd 127 1 11676 2700 /system/bin/logd
root 128 1 5344 2208 /system/bin/debuggerd
root 129 1 11784 4632 /system/bin/vold
root 134 2 0 0 kauditd
root 137 128 5088 508 debuggerd:signaller
root 145 1 2992 496 /sbin/healthd
root 146 1 4560 2412 /system/bin/lmkd
system 147 1 4600 1928 /system/bin/servicemanager
system 148 1 30480 12760 /system/bin/surfaceflinger
shell 150 1 9272 820 /sbin/adbd
root 151 1 965944 94544 zygote
audioserver 153 1 21844 7644 /system/bin/audioserver
cameraserver 154 1 14512 6516 /system/bin/cameraserver
drm 155 1 13316 5876 /system/bin/drmserver
root 156 1 4972 2052 /system/bin/installd
keystore 157 1 7476 3624 /system/bin/keystore
mediacodec 158 1 12968 5668 media.codec
media 159 1 17108 7672 /system/bin/mediadrmserver
mediaex 160 1 37784 7056 media.extractor
media 161 1 39664 9588 /system/bin/mediaserver
root 162 1 24916 3892 /system/bin/netd
root 163 1 9016 3948 /system/bin/peripheralman
root 165 1 3540 1876 /system/bin/sh
system 166 1 7236 2780 /system/bin/gatekeeperd
system 167 1 7060 3768 /system/bin/userinputdriverservice
metrics_coll 168 1 9152 4752 /system/bin/metrics_collector
metricsd 169 1 10868 4888 /system/bin/metricsd
root 175 1 4100 1876 /system/xbin/perfprofd
root 176 1 10072 6028 /system/bin/update_engine
mdnsr 179 1 2004 688 /system/bin/mdnsd
system 410 151 1088328 124132 /system_server
media_rw 479 129 8236 2668 /system/bin/sdcard
wifi 517 1 7572 3932 /system/bin/wpa_supplicant
system 541 151 1069296 72760 com.android.settings
u0_a5 571 151 1037892 57084 android.ext.services
u0_a4 599 151 1044800 70048 android.process.media
system 618 151 1045744 71300 com.android.iotlauncher
u0_a7 643 151 1179200 92776 com.google.android.gms.feedback
u0_a7 658 151 1213404 147912 com.google.android.gms.persistent
u0_a8 684 151 1039576 57448 com.android.managedprovisioning
u0_a9 698 151 1037816 56488 com.android.onetimeinitializer
u0_a1 715 151 1040192 64552 com.android.providers.calendar
u0_a7 730 151 1051700 71176 com.google.process.gapps
u0_a7 772 151 1333476 156352 com.google.android.gms
radio 864 151 1040476 62692 com.android.phone
u0_a2 896 151 1047240 73176 android.process.acore
u0_a7 949 151 1179200 94860 com.google.android.gms.ui
Services
Found 110 services:
0 gpsdriverservice: [com.google.android.things.userdriver.IGpsDriverService]
1 contexthub_service: [android.hardware.location.IContextHubService]
2 dns_listener: [android.net.metrics.IDnsEventListener]
3 connectivity_metrics_logger: [android.net.IConnectivityMetricsLogger]
4 imms: [com.android.internal.telephony.IMms]
5 media_projection: [android.media.projection.IMediaProjectionManager]
6 launcherapps: [android.content.pm.ILauncherApps]
7 shortcut: [android.content.pm.IShortcutService]
8 trust: [android.app.trust.ITrustManager]
9 media_router: [android.media.IMediaRouterService]
10 media_session: [android.media.session.ISessionManager]
11 restrictions: [android.content.IRestrictionsManager]
12 graphicsstats: [android.view.IGraphicsStats]
13 assetatlas: [android.view.IAssetAtlas]
14 dreams: [android.service.dreams.IDreamManager]
15 commontime_management: []
16 network_time_update_service: []
17 samplingprofiler: []
18 diskstats: []
19 appwidget: [com.android.internal.appwidget.IAppWidgetService]
20 soundtrigger: [com.android.internal.app.ISoundTriggerService]
21 jobscheduler: [android.app.job.IJobScheduler]
22 hardware_properties: [android.os.IHardwarePropertiesManager]
23 serial: [android.hardware.ISerialManager]
24 DockObserver: []
25 audio: [android.media.IAudioService]
26 wallpaper: [android.app.IWallpaperManager]
27 dropbox: [com.android.internal.os.IDropBoxManagerService]
28 search: [android.app.ISearchManager]
29 country_detector: [android.location.ICountryDetector]
30 location: [android.location.ILocationManager]
31 devicestoragemonitor: []
32 notification: [android.app.INotificationManager]
33 recovery: [android.os.IRecoverySystem]
34 updatelock: [android.os.IUpdateLock]
35 servicediscovery: [android.net.nsd.INsdManager]
36 connectivity: [android.net.IConnectivityManager]
37 ethernet: [android.net.IEthernetManager]
38 rttmanager: [android.net.wifi.IRttManager]
39 wifiscanner: [android.net.wifi.IWifiScanner]
40 wifi: [android.net.wifi.IWifiManager]
41 wifip2p: [android.net.wifi.p2p.IWifiP2pManager]
42 netpolicy: [android.net.INetworkPolicyManager]
43 netstats: [android.net.INetworkStatsService]
44 network_score: [android.net.INetworkScoreService]
45 textservices: [com.android.internal.textservice.ITextServicesManager]
46 network_management: [android.os.INetworkManagementService]
47 clipboard: [android.content.IClipboard]
48 statusbar: [com.android.internal.statusbar.IStatusBarService]
49 device_policy: [android.app.admin.IDevicePolicyManager]
50 deviceidle: [android.os.IDeviceIdleController]
51 lock_settings: [com.android.internal.widget.ILockSettings]
52 uimode: [android.app.IUiModeManager]
53 mount: [IMountService]
54 accessibility: [android.view.accessibility.IAccessibilityManager]
55 input_method: [com.android.internal.view.IInputMethodManager]
56 pinner: []
57 vrmanager: [android.service.vr.IVrManager]
58 input: [android.hardware.input.IInputManager]
59 window: [android.view.IWindowManager]
60 alarm: [android.app.IAlarmManager]
61 consumer_ir: [android.hardware.IConsumerIrService]
62 vibrator: [android.os.IVibratorService]
63 content: [android.content.IContentService]
64 account: [android.accounts.IAccountManager]
65 media.camera.proxy: [android.hardware.ICameraServiceProxy]
66 telephony.registry: [com.android.internal.telephony.ITelephonyRegistry]
67 scheduling_policy: [android.os.ISchedulingPolicyService]
68 webviewupdate: [android.webkit.IWebViewUpdateService]
69 usagestats: [android.app.usage.IUsageStatsManager]
70 battery: []
71 sensorservice: [android.gui.SensorServer]
72 sensordriverservice: [com.google.android.things.userdriver.ISensorDriverService]
73 processinfo: [android.os.IProcessInfoService]
74 permission: [android.os.IPermissionController]
75 cpuinfo: []
76 dbinfo: []
77 gfxinfo: []
78 meminfo: []
79 procstats: [com.android.internal.app.procstats.IProcessStats]
80 activity: [android.app.IActivityManager]
81 user: [android.os.IUserManager]
82 otadexopt: [android.content.pm.IOtaDexopt]
83 package: [android.content.pm.IPackageManager]
84 display: [android.hardware.display.IDisplayManager]
85 power: [android.os.IPowerManager]
86 appops: [com.android.internal.app.IAppOpsService]
87 batterystats: [com.android.internal.app.IBatteryStats]
88 netd: [android.net.INetd]
89 media.camera: [android.hardware.ICameraService]
90 media.drm: [android.media.IMediaDrmService]
91 media.resource_manager: [android.media.IResourceManagerService]
92 media.player: [android.media.IMediaPlayerService]
93 media.extractor: [android.media.IMediaExtractorService]
94 media.sound_trigger_hw: [android.hardware.ISoundTriggerHwService]
95 media.radio: [android.hardware.IRadioService]
96 media.audio_policy: [android.media.IAudioPolicyService]
97 media.audio_flinger: [android.media.IAudioFlinger]
98 drm.drmManager: [drm.IDrmManagerService]
99 media.codec: [android.media.IMediaCodecService]
100 android.brillo.UpdateEngineService: [android.brillo.IUpdateEngine]
101 android.brillo.metrics.IMetricsCollectorService: [android.brillo.metrics.IMetricsCollectorService]
102 gpu: [android.ui.IGpuService]
103 SurfaceFlinger: [android.ui.ISurfaceComposer]
104 batteryproperties: [android.os.IBatteryPropertiesRegistrar]
105 android.brillo.metrics.IMetricsd: [android.brillo.metrics.IMetricsd]
106 com.google.android.things.pio.IPeripheralManager: [com.google.android.things.pio.IPeripheralManager]
107 inputdriverservice: [com.google.android.things.userdriver.IInputDriverService]
108 android.security.keystore: [android.security.IKeystoreService]
109 android.service.gatekeeper.IGateKeeperService: [android.service.gatekeeper.IGateKeeperService]
Things/Brillo specific services
0 gpsdriverservice: [com.google.android.things.userdriver.IGpsDriverService]
72 sensordriverservice: [com.google.android.things.userdriver.ISensorDriverService]
106 com.google.android.things.pio.IPeripheralManager: [com.google.android.things.pio.IPeripheralManager]
107 inputdriverservice: [com.google.android.things.userdriver.IInputDriverService]
100 android.brillo.UpdateEngineService: [android.brillo.IUpdateEngine]
101 android.brillo.metrics.IMetricsCollectorService: [android.brillo.metrics.IMetricsCollectorService]
105 android.brillo.metrics.IMetricsd: [android.brillo.metrics.IMetricsd]
props
rpi3:/ $ getprop
[camera.disable_zsl_mode]: [1]
[crash_reporter.coredump.enabled]: [1]
[dalvik.vm.appimageformat]: [lz4]
[dalvik.vm.dex2oat-Xms]: [64m]
[dalvik.vm.dex2oat-Xmx]: [512m]
[dalvik.vm.heapsize]: [256m]
[dalvik.vm.image-dex2oat-Xms]: [64m]
[dalvik.vm.image-dex2oat-Xmx]: [64m]
[dalvik.vm.isa.arm.features]: [default]
[dalvik.vm.isa.arm.variant]: [generic]
[dalvik.vm.lockprof.threshold]: [500]
[dalvik.vm.stack-trace-file]: [/data/anr/traces.txt]
[dalvik.vm.usejit]: [true]
[dalvik.vm.usejitprofiles]: [true]
[debug.atrace.tags.enableflags]: [0]
[debug.force_rtl]: [0]
[dev.bootcomplete]: [1]
[init.svc.adbd]: [running]
[init.svc.audioserver]: [running]
[init.svc.bootanim]: [stopped]
[init.svc.cameraserver]: [running]
[init.svc.console]: [running]
[init.svc.crash_reporter]: [stopped]
[init.svc.crash_sender]: [running]
[init.svc.debuggerd]: [running]
[init.svc.drm]: [running]
[init.svc.gatekeeperd]: [running]
[init.svc.healthd]: [running]
[init.svc.inputdriverserv]: [running]
[init.svc.installd]: [running]
[init.svc.keystore]: [running]
[init.svc.lmkd]: [running]
[init.svc.logd]: [running]
[init.svc.logd-reinit]: [stopped]
[init.svc.mdnsd]: [running]
[init.svc.media]: [running]
[init.svc.mediacodec]: [running]
[init.svc.mediadrm]: [running]
[init.svc.mediaextractor]: [running]
[init.svc.metricscollector]: [running]
[init.svc.metricsd]: [running]
[init.svc.netd]: [running]
[init.svc.perfprofd]: [running]
[init.svc.peripheralman]: [running]
[init.svc.servicemanager]: [running]
[init.svc.surfaceflinger]: [running]
[init.svc.ueventd]: [running]
[init.svc.update_engine]: [running]
[init.svc.vold]: [running]
[init.svc.wpa_supplicant]: [running]
[init.svc.zygote]: [running]
[log.tag.Hyphenator]: [SUPPRESS]
[log.tag.WifiHAL]: [D]
[net.bt.name]: [Android]
[net.change]: [net.dns3]
[net.dns1]: [211.29.132.12]
[net.dns2]: [198.142.0.51]
[net.dns3]: [198.142.235.14]
[net.hostname]: [android-226a3ebfc34ad1f3]
[net.qtaguid_enabled]: [1]
[net.tcp.default_init_rwnd]: [60]
[persist.sys.dalvik.vm.lib.2]: [libart.so]
[persist.sys.profiler_ms]: [0]
[persist.sys.usb.config]: [adb]
[persist.sys.webview.vmsize]: [104857600]
[pm.dexopt.ab-ota]: [speed-profile]
[pm.dexopt.bg-dexopt]: [speed-profile]
[pm.dexopt.boot]: [verify-profile]
[pm.dexopt.core-app]: [speed]
[pm.dexopt.first-boot]: [interpret-only]
[pm.dexopt.forced-dexopt]: [speed]
[pm.dexopt.install]: [interpret-only]
[pm.dexopt.nsys-library]: [speed]
[pm.dexopt.shared-apk]: [speed]
[qemu.gles]: [-1]
[ro.allow.mock.location]: [0]
[ro.baseband]: [unknown]
[ro.board.platform]: []
[ro.boot.hardware]: [rpi3]
[ro.boot.selinux]: [permissive]
[ro.boot.slot_suffix]: [_a]
[ro.bootimage.build.date]: [Mon Dec 12 20:53:57 UTC 2016]
[ro.bootimage.build.date.utc]: [1481576037]
[ro.bootimage.build.fingerprint]: [generic/iot_rpi3/rpi3:7.0/NIF73/3565696:userdebug/test-keys]
[ro.bootloader]: [unknown]
[ro.bootmode]: [unknown]
[ro.build.ab_update]: [true]
[ro.build.characteristics]: [default]
[ro.build.date]: [Mon Dec 12 20:53:57 UTC 2016]
[ro.build.date.utc]: [1481576037]
[ro.build.description]: [iot_rpi3-userdebug 7.0 NIF73 3565696 test-keys]
[ro.build.display.id]: [iot_rpi3-userdebug 7.0 NIF73 3565696 test-keys]
[ro.build.fingerprint]: [generic/iot_rpi3/rpi3:7.0/NIF73/3565696:userdebug/test-keys]
[ro.build.flavor]: [iot_rpi3-userdebug]
[ro.build.host]: [vpeb11.mtv.corp.google.com]
[ro.build.id]: [NIF73]
[ro.build.product]: [rpi3]
[ro.build.system_root_image]: [true]
[ro.build.tags]: [test-keys]
[ro.build.type]: [userdebug]
[ro.build.user]: [android-build]
[ro.build.version.all_codenames]: [REL]
[ro.build.version.base_os]: []
[ro.build.version.codename]: [REL]
[ro.build.version.incremental]: [3565696]
[ro.build.version.preview_sdk]: [0]
[ro.build.version.release]: [7.0]
[ro.build.version.sdk]: [24]
[ro.build.version.security_patch]: [2016-12-05]
[ro.carrier]: [unknown]
[ro.config.alarm_alert]: [Alarm_Classic.ogg]
[ro.config.notification_sound]: [OnTheHunt.ogg]
[ro.crypto.state]: [unsupported]
[ro.dalvik.vm.native.bridge]: [0]
[ro.debuggable]: [1]
[ro.hardware]: [rpi3]
[ro.hardware.camera]: [v4l2]
[ro.hardware.gps]: [iot]
[ro.hardware.sensors]: [iot]
[ro.kernel.qemu]: [1]
[ro.kernel.qemu.force_gles]: [-1]
[ro.product.board]: [rpi3]
[ro.product.brand]: [generic]
[ro.product.cpu.abi]: [armeabi-v7a]
[ro.product.cpu.abi2]: [armeabi]
[ro.product.cpu.abilist]: [armeabi-v7a,armeabi]
[ro.product.cpu.abilist32]: [armeabi-v7a,armeabi]
[ro.product.cpu.abilist64]: []
[ro.product.device]: [rpi3]
[ro.product.manufacturer]: [unknown]
[ro.product.model]: [iot_rpi3]
[ro.product.name]: [iot_rpi3]
[ro.revision]: [0]
[ro.runtime.firstboot]: [59481]
[ro.secure]: [1]
[ro.serialno]: []
[ro.wifi.channels]: []
[ro.zygote]: [zygote32]
[security.perf_harden]: [1]
[selinux.reload_policy]: [1]
[service.bootanim.exit]: [1]
[sys.boot_completed]: [1]
[sys.sysctl.extra_free_kbytes]: [12294]
[sys.sysctl.tcp_def_init_rwnd]: [60]
[sys.usb.config]: [adb]
[sys.usb.configfs]: [0]
[sys.usb.state]: [adb]
[vold.has_adoptable]: [0]
[wifi.interface]: [wlan0]
[wifi.supplicant_scan_interval]: [15]
[wlan.driver.status]: [ok]
Graphic/Display
Only one layer, a full screen iotlauncher. Built-in screen is 1366x768.
$ dumpsys SurfaceFlinger
Build configuration: [sf] [libui] [libgui]
Sync configuration: [using: EGL_KHR_fence_sync]
Visible layers (count = 1)
+ Layer 0xb11dc400 (com.android.iotlauncher/com.android.iotlauncher.IoTLauncher)
Displays (1 entries)
+ DisplayDevice: Built-in Screen
type=0, hwcId=0, layerStack=0, (1366x 768), ANativeWindow=0xb08aa008, orient= 0 (type=00000000), flips=1254, isSecure=1, powerMode=2, activeConfig=0, numLayers=1
v:[0,0,1366,768], f:[0,0,1366,768], s:[0,0,1366,768],transform:[[1.000,0.000,-0.000][0.000,1.000,-0.000][0.000,0.000,1.000]]
SurfaceFlinger global state:
EGL implementation : 1.2 Android Driver 1.2.0
EGL_KHR_fence_sync EGL_KHR_image_base EGL_ANDROID_image_native_buffer EGL_ANDROID_swap_rectangle
GLES: Android, Android PixelFlinger 1.4, OpenGL ES-CM 1.0
GL_EXT_debug_marker GL_OES_byte_coordinates GL_OES_fixed_point GL_OES_single_precision GL_OES_read_format GL_OES_compressed_paletted_texture GL_OES_draw_texture GL_OES_matrix_get GL_OES_query_matrix GL_OES_EGL_image GL_OES_EGL_sync GL_OES_compressed_ETC1_RGB8_texture GL_ARB_texture_compression GL_ARB_texture_non_power_of_two GL_ANDROID_user_clip_plane GL_ANDROID_vertex_buffer_object GL_ANDROID_generate_mipmap
Region undefinedRegion (this=0xb11f82ac, count=1)
[ 0, 0, 0, 0]
orientation=0, isDisplayOn=1
last eglSwapBuffers() time: 21.146000 us
last transaction time : 33.385000 us
transaction-flags : 00000000
refresh-rate : 60.000002 fps
x-dpi : 159.891235
y-dpi : 159.895081
gpu_to_cpu_unsupported : 0
eglSwapBuffers time: 0.000000 us
transaction time: 0.000000 us
h/w composer state:
h/w composer not present and enabled
Allocated buffers:
0xb0e1a2c0: 4098.00 KiB | 1366 (1366) x 768 | 1 | 0x00000933
0xb1197340: 2049.00 KiB | 1366 (1366) x 768 | 4 | 0x00001a33
0xb1197440: 2049.00 KiB | 1366 (1366) x 768 | 4 | 0x00001a33
0xb1197900: 4098.00 KiB | 1366 (1366) x 768 | 1 | 0x00000933
Total allocated (estimate): 12294.00 KB
Camera
Used v4l2 camera HAL. Obviously, it means the camera support is not complete since the standard v4l2 interfaces aren't sufficient to support a full Android camera v3. This was one of the problem Project Ara team tried to solve and there are some relevant discussion ongoing in the v4l2 kernel community.
$ dumpsys media.camera
Camera module HAL API version: 0x100
Camera module API version: 0x204
Camera module name: V4L2 Camera HAL v3
Camera module author: The Android Open Source Project
Number of camera devices: 0
Number of normal camera devices: 0
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