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Dashboard URL and label configured in dashboards.yaml; each entry becomes a product flavor with BuildConfig.DASHBOARD_URL injected at build time. APKs output as <flavor>-release.apk.
80 lines
2.9 KiB
Markdown
80 lines
2.9 KiB
Markdown
# android-webview-kiosk
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Fullscreen WebView kiosk for Android TV. Shows configurable Grafana dashboards
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defined in `dashboards.yaml`. Target device: Sony Bravia KD-65XE9305 (Android 8.0).
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Built for remote launch via the Bravia REST IP-control API, driven by Control4.
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## Dashboards
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Defined in `dashboards.yaml` at repo root:
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```yaml
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weather:
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url: https://grafana.c3c.cz/public-dashboards/...
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label: Weather # shown in Bravia launcher
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house_condition:
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url: http://grafana.c3c.cz/public-dashboards/...
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label: House Condition
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```
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Each entry produces a separate APK. Names must be valid Gradle identifiers
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(letters, digits, underscores — no hyphens).
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## Build
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# all flavors
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nix develop --command gradle --no-daemon :app:assembleRelease
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# single flavor
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nix develop --command gradle --no-daemon :app:assembleWeatherRelease
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APKs: `app/build/outputs/apk/<flavor>/release/<flavor>-release.apk`
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## Sideload
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1. TV one-time: Settings → About → press *Build* 7× → Developer options →
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enable ADB debugging.
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2. `adb connect <tv-ip>:5555`
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3. `adb install -r app/build/outputs/apk/weather/release/weather-release.apk`
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Fresh install (removing old app first):
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adb uninstall cz.c3c.webviewkiosk
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adb install app/build/outputs/apk/<flavor>/release/<flavor>-release.apk
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Upgrades: bump `versionCode` in `app/build.gradle.kts`, rebuild, reinstall
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with `-r`. Same committed keystore = no uninstall needed.
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## Remote launch (Sony Bravia IP control)
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TV prerequisite: IP control auth = "Normal and Pre-Shared Key", Remote
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start enabled (wake from deep standby).
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App URI (from `getApplicationList`):
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`com.sony.dtv.cz.c3c.webviewkiosk.cz.c3c.webviewkiosk.MainActivity`
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**`setActiveApp` alone wakes the TV from standby** — no separate
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`setPowerStatus` call is needed. The Control4 driver can use a single call:
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curl -s -X POST http://$TV_IP/sony/appControl \
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-H "X-Auth-PSK: $PSK" -H 'Content-Type: application/json' \
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-d '{"method":"setActiveApp","id":601,"version":"1.0","params":[{"uri":"com.sony.dtv.cz.c3c.webviewkiosk.cz.c3c.webviewkiosk.MainActivity"}]}'
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If the TV is already on, `setActiveApp` brings the kiosk to the foreground.
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If in standby, it wakes and launches directly.
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For reference, the two-step sequence (if needed for other integrations):
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# 1. wake (optional — setActiveApp does this implicitly)
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curl -s -X POST http://$TV_IP/sony/system \
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-H "X-Auth-PSK: $PSK" -H 'Content-Type: application/json' \
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-d '{"method":"setPowerStatus","id":55,"version":"1.0","params":[{"status":true}]}'
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# 2. launch (~6 s from quick standby, up to ~30 s from deep eco standby)
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curl -s -X POST http://$TV_IP/sony/appControl \
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-H "X-Auth-PSK: $PSK" -H 'Content-Type: application/json' \
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-d '{"method":"setActiveApp","id":601,"version":"1.0","params":[{"uri":"com.sony.dtv.cz.c3c.webviewkiosk.cz.c3c.webviewkiosk.MainActivity"}]}'
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Control4: a DriverWorks driver issuing `setActiveApp` is a separate project.
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