feat: trezor hardware support

app/build.gradle.kts

@@ -215,7 +215,7 @@ composeCompiler {
 }
 
 dependencies {
-    implementation(fileTree("libs") { include("*.aar") })
+    implementation(fileTree("libs") { include("*.aar", "*.jar") })
     implementation(libs.jna) { artifact { type = "aar" } }
     implementation(platform(libs.kotlin.bom))
     implementation(libs.core.ktx)

app/proguard-rules.pro

@@ -18,4 +18,11 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
+#-renamesourcefileattribute SourceFile
+
+# btleplug (droidplug) Android Bluetooth support
+# These classes are loaded via JNI from Rust code
+-keep class com.nonpolynomial.btleplug.** { *; }
+
+# jni-utils support library for btleplug
+-keep class io.github.gedgygedgy.rust.** { *; }

app/src/main/AndroidManifest.xml

@@ -21,6 +21,24 @@
         android:name="android.permission.FOREGROUND_SERVICE"
         tools:ignore="ForegroundServicePermission,ForegroundServicesPolicy" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+
+    <!-- USB Host support for Trezor hardware wallet -->
+    <uses-feature
+        android:name="android.hardware.usb.host"
+        android:required="false" />
+
+    <!-- Bluetooth permissions for Trezor Safe 7 (Android 12+) -->
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN"
+        android:usesPermissionFlags="neverForLocation" />
+
+    <!-- Bluetooth permissions (legacy, Android 11 and below) -->
+    <uses-permission android:name="android.permission.BLUETOOTH"
+        android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"
+        android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+
     <!-- Required for E2E tests connecting to local Electrum server (Android 16+) -->
     <uses-permission
         android:name="android.permission.NEARBY_WIFI_DEVICES"
@@ -125,6 +143,14 @@
                 <data android:scheme="lnurlp" />
             </intent-filter>
 
+            <!-- USB device attached — auto-grants permission when Trezor is plugged in -->
+            <intent-filter>
+                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
+            </intent-filter>
+            <meta-data
+                android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
+                android:resource="@xml/usb_device_filter" />
+
             <meta-data
                 android:name="android.app.shortcuts"
                 android:resource="@xml/shortcuts" />

app/src/main/java/to/bitkit/App.kt

@@ -9,6 +9,7 @@ import androidx.hilt.work.HiltWorkerFactory
 import androidx.work.Configuration
 import dagger.hilt.android.HiltAndroidApp
 import to.bitkit.env.Env
+import to.bitkit.services.BluetoothInit
 import javax.inject.Inject
 
 @HiltAndroidApp
@@ -25,6 +26,8 @@ internal open class App : Application(), Configuration.Provider {
         super.onCreate()
         currentActivity = CurrentActivity().also { registerActivityLifecycleCallbacks(it) }
         Env.initAppStoragePath(filesDir.absolutePath)
+        // Initialize btleplug for Bluetooth support (required before any BLE usage)
+        BluetoothInit.ensureInitialized()
     }
 
     companion object {