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fix(android): launch games from the library

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The library browser was browse-only — the A button (and a tap) did nothing.
Wire it to connect + boot straight into the selected title: thread a `launch`
id (the store-qualified library id `steam:<appid>` / `custom:<id>`) through
nativeConnect → NativeClient's Hello.launch (was hardcoded None), add a shared
connectToHost() the ConnectScreen and the library launcher both use, and have
LibraryScreen dial the host with launch=game.id on A / tap — with a launching
overlay + an "A Launch" hint. Verified: native compiles (cargo-ndk arm64),
app+kit Kotlin compiles (gradle, 3 ABIs).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Enrico Bühler
2026-07-06 12:59:39 +00:00
parent 2c1bb4de93
commit 8df6d07cc6
6 changed files with 137 additions and 34 deletions
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clients/android/native/src/session/connect.rs
+11 -2
View File
@@ -33,7 +33,8 @@ pub extern "system" fn Java_io_unom_punktfunk_kit_NativeBridge_nativeGenerateIde
}
/// `NativeBridge.nativeConnect(host, port, w, h, hz, certPem, keyPem, pinHex, bitrateKbps,
/// compositorPref, gamepadPref, hdrEnabled, audioChannels, preferredCodec, timeoutMs): Long`.
/// compositorPref, gamepadPref, hdrEnabled, audioChannels, preferredCodec, timeoutMs, launch): Long`.
/// `launch` (empty ⇒ none) is a store-qualified library id to boot straight into a game.
/// `certPem`/`keyPem` empty = anonymous, else presented as the persistent identity. `pinHex` empty
/// = TOFU (read `nativeHostFingerprint` after), else 64-hex SHA-256 to pin the host (mismatch → 0).
/// `bitrateKbps` 0 = host default. `compositorPref`/`gamepadPref` are `CompositorPref`/`GamepadPref`
@@ -63,6 +64,7 @@ pub extern "system" fn Java_io_unom_punktfunk_kit_NativeBridge_nativeConnect<'lo
audio_channels: jint,
preferred_codec: jint,
timeout_ms: jint,
launch: JString<'local>,
) -> jlong {
let host: String = match env.get_string(&host) {
Ok(s) => s.into(),
@@ -74,6 +76,13 @@ pub extern "system" fn Java_io_unom_punktfunk_kit_NativeBridge_nativeConnect<'lo
.unwrap_or_default();
let key: String = env.get_string(&key_pem).map(Into::into).unwrap_or_default();
let pin_hex: String = env.get_string(&pin_hex).map(Into::into).unwrap_or_default();
// A store-qualified library id (`steam:<appid>` / `custom:<id>`) to boot straight into a game;
// null / empty ⇒ None (a plain desktop connect). Rides the Hello as `launch`.
let launch: Option<String> = env
.get_string(&launch)
.map(Into::into)
.ok()
.filter(|s: &String| !s.is_empty());
let identity: Option<(String, String)> = if cert.is_empty() || key.is_empty() {
None
@@ -124,7 +133,7 @@ pub extern "system" fn Java_io_unom_punktfunk_kit_NativeBridge_nativeConnect<'lo
// + the soft `preferred_codec` and echoes it in `connector.codec`, which drives the mime below.
punktfunk_core::quic::CODEC_H264 | punktfunk_core::quic::CODEC_HEVC,
preferred_codec.clamp(0, u8::MAX as jint) as u8,
None, // launch: default app
launch, // a store-qualified library id to boot into a game, or None for the desktop
pin, // Some → Crypto on host-fp mismatch
identity, // owned (cert, key) PEM, or None (anonymous)
// Handshake budget from Kotlin: ~10 s for a normal connect, ~185 s for "request access"