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Refine supported detection

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This commit is contained in:
Mygod
2021-05-13 00:52:13 +08:00
parent 62b362276b
commit 4e55bea9e2
1 changed files with 11 additions and 2 deletions
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13
mobile/src/main/java/be/mygod/vpnhotspot/net/TetherOffloadManager.kt
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@@ -16,8 +16,17 @@ import timber.log.Timber
*/
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
Build.VERSION.SDK_INT >= 27 || try {
Settings.Global::class.java.getDeclaredField("TETHER_OFFLOAD_DISABLED").get(null).let {
require(it == TETHER_OFFLOAD_DISABLED) { "Unknown field $it" }
}
true
} catch (_: NoSuchFieldException) {
false
} catch (e: Exception) {
Timber.w(e)
false
}
}
private const val TETHER_OFFLOAD_DISABLED = "tether_offload_disabled"
val enabled get() = Settings.Global.getInt(app.contentResolver, TETHER_OFFLOAD_DISABLED, 0) == 0