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feat(android): Bluetooth audio routing + network change detection + per-arch APK builds

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Bluetooth: wire existing AudioRouteManager SCO support through both app
variants. Replace binary speaker toggle with 3-way route cycling
(Earpiece → Speaker → Bluetooth). Tauri side adds JNI bridge functions
(start/stop/query SCO, device availability) and Oboe stream restart.

Network awareness: integrate Android ConnectivityManager to detect
WiFi/cellular transitions and feed them to AdaptiveQualityController
via lock-free AtomicU8 signaling. Enables proactive quality downgrade
and FEC boost on network handoffs.

Build: add --arch flag to build-tauri-android.sh supporting arm64,
armv7, or all (separate per-arch APKs for smaller tester binaries).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Siavash Sameni
2026-04-12 16:07:41 +04:00
parent 29cd23fe39
commit 4c1ad841e1
15 changed files with 1050 additions and 105 deletions
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23
crates/wzp-android/src/jni_bridge.rs
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@@ -222,6 +222,29 @@ pub unsafe extern "system" fn Java_com_wzp_engine_WzpEngine_nativeForceProfile(
}));
}
/// Signal a network transport change from the Android ConnectivityManager.
///
/// `network_type` matches the Rust `NetworkContext` enum:
/// 0=WiFi, 1=CellularLte, 2=Cellular5g, 3=Cellular3g, 4=Unknown, 5=None
///
/// The engine forwards this to the `AdaptiveQualityController` which:
/// - Preemptively downgrades one tier on WiFi→cellular
/// - Activates a 10-second FEC boost
/// - Uses faster downgrade thresholds on cellular
#[unsafe(no_mangle)]
pub unsafe extern "system" fn Java_com_wzp_engine_WzpEngine_nativeOnNetworkChanged(
_env: JNIEnv,
_class: JClass,
handle: jlong,
network_type: jint,
bandwidth_kbps: jint,
) {
let _ = panic::catch_unwind(panic::AssertUnwindSafe(|| {
let h = unsafe { handle_ref(handle) };
h.engine.on_network_changed(network_type as u8, bandwidth_kbps as u32);
}));
}
/// Write captured PCM samples from Kotlin AudioRecord into the engine's capture ring.
/// pcm is a Java short[] array.
#[unsafe(no_mangle)]