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Attempt to detect tether offload support dynamically on Android 8-

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Addresses #224.
This commit is contained in:
Mygod
2021-05-11 23:02:14 -04:00
parent eb70c225e5
commit 62b362276b
4 changed files with 9 additions and 6 deletions
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8
mobile/src/main/java/be/mygod/vpnhotspot/net/TetherOffloadManager.kt
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@@ -1,9 +1,10 @@
package be.mygod.vpnhotspot.net
import android.os.Build
import android.provider.Settings
import androidx.annotation.RequiresApi
import be.mygod.vpnhotspot.App.Companion.app
import be.mygod.vpnhotspot.root.SettingsGlobalPut
import timber.log.Timber
/**
* It's hard to change tethering rules with Tethering hardware acceleration enabled for now.
@@ -13,8 +14,11 @@ import be.mygod.vpnhotspot.root.SettingsGlobalPut
* https://android.googlesource.com/platform/frameworks/base/+/android-8.1.0_r1/services/core/java/com/android/server/connectivity/tethering/OffloadHardwareInterface.java#45
* https://android.googlesource.com/platform/hardware/qcom/data/ipacfg-mgr/+/master/msm8998/ipacm/src/IPACM_OffloadManager.cpp
*/
@RequiresApi(27)
object TetherOffloadManager {
val supported by lazy {
Build.VERSION.SDK_INT >= 27 || Settings.Global::class.java.getDeclaredField("TETHER_OFFLOAD_DISABLED")
.get(null).also { if (it != TETHER_OFFLOAD_DISABLED) Timber.w(Exception("Unknown field $it")) } != null
}
private const val TETHER_OFFLOAD_DISABLED = "tether_offload_disabled"
val enabled get() = Settings.Global.getInt(app.contentResolver, TETHER_OFFLOAD_DISABLED, 0) == 0
suspend fun setEnabled(value: Boolean) = SettingsGlobalPut.int(TETHER_OFFLOAD_DISABLED, if (value) 0 else 1)