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Stop using unsupported API for bluetooth

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This commit is contained in:
Mygod
2021-06-11 01:08:34 -04:00
parent 92ed445fc0
commit d17bb74e7b
2 changed files with 10 additions and 23 deletions
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2
README.md
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@@ -151,8 +151,6 @@ API restrictions are updated up to [commit `ebe7044`](https://android.googlesour
Greylisted/blacklisted APIs or internal constants: (some constants are hardcoded or implicitly used)
* (since API 24, prior to API 31) `Landroid/bluetooth/BluetoothPan;-><init>(Landroid/content/Context;Landroid/bluetooth/BluetoothProfile$ServiceListener;)V,unsupported`
* (since API 31) `Landroid/bluetooth/BluetoothPan;-><init>(Landroid/content/Context;Landroid/bluetooth/BluetoothProfile$ServiceListener;Landroid/bluetooth/BluetoothAdapter;)V,unsupported`
* (prior to API 30) `Landroid/net/ConnectivityManager;->getLastTetherError(Ljava/lang/String;)I,max-target-r`
* (since API 30) `Landroid/net/ConnectivityModuleConnector;->IN_PROCESS_SUFFIX:Ljava/lang/String;`
* (since API 30) `Landroid/net/TetheringManager$TetheringEventCallback;->onTetherableInterfaceRegexpsChanged(Landroid/net/TetheringManager$TetheringInterfaceRegexps;)V,blocked`

31
mobile/src/main/java/be/mygod/vpnhotspot/manage/BluetoothTethering.kt
View File

@@ -29,24 +29,10 @@ class BluetoothTethering(context: Context, val stateListener: () -> Unit) :
*/
private const val PAN = 5
private val clazz by lazy { Class.forName("android.bluetooth.BluetoothPan") }
private val constructor by lazy {
(if (BuildCompat.isAtLeastS()) {
clazz.getDeclaredConstructor(Context::class.java, BluetoothProfile.ServiceListener::class.java,
BluetoothAdapter::class.java)
} else {
clazz.getDeclaredConstructor(Context::class.java, BluetoothProfile.ServiceListener::class.java)
}).apply {
isAccessible = true
}
}
private val isTetheringOn by lazy { clazz.getDeclaredMethod("isTetheringOn") }
private val adapter = app.getSystemService<BluetoothManager>()?.adapter
fun pan(context: Context, serviceListener: BluetoothProfile.ServiceListener) = (if (BuildCompat.isAtLeastS()) {
constructor.newInstance(context, serviceListener, adapter)
} else constructor.newInstance(context, serviceListener)) as BluetoothProfile
val BluetoothProfile.isTetheringOn get() = isTetheringOn(this) as Boolean
fun BluetoothProfile.closePan() = adapter!!.closeProfileProxy(PAN, this)
private val BluetoothProfile.isTetheringOn get() = isTetheringOn(this) as Boolean
private fun registerBluetoothStateListener(receiver: BroadcastReceiver) =
app.registerReceiver(receiver, IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED))
@@ -70,6 +56,7 @@ class BluetoothTethering(context: Context, val stateListener: () -> Unit) :
}
}
private var proxyCreated = false
private var connected = false
private var pan: BluetoothProfile? = null
private var stoppedByUser = false
@@ -98,12 +85,13 @@ class BluetoothTethering(context: Context, val stateListener: () -> Unit) :
private val receiver = broadcastReceiver { _, _ -> stateListener() }
fun ensureInit(context: Context) {
val adapter = adapter ?: return
activeFailureCause = null
if (pan == null) try {
pan = pan(context, this)
} catch (e: ReflectiveOperationException) {
if (e.cause is SecurityException && BuildCompat.isAtLeastS()) Timber.d(e.readableMessage)
else Timber.w(e)
if (!proxyCreated) try {
check(adapter.getProfileProxy(context, this, PAN))
proxyCreated = true
} catch (e: SecurityException) {
if (BuildCompat.isAtLeastS()) Timber.d(e.readableMessage) else Timber.w(e)
activeFailureCause = e
}
}
@@ -117,6 +105,7 @@ class BluetoothTethering(context: Context, val stateListener: () -> Unit) :
stoppedByUser = false
}
override fun onServiceConnected(profile: Int, proxy: BluetoothProfile) {
pan = proxy
connected = true
stateListener()
}
@@ -146,6 +135,6 @@ class BluetoothTethering(context: Context, val stateListener: () -> Unit) :
override fun close() {
app.unregisterReceiver(receiver)
pan?.closePan()
adapter!!.closeProfileProxy(PAN, pan)
}
}