Ble connection retry

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "llc.arma.ble"
         minSdk 26
         targetSdk 33
-        versionCode 12
+        versionCode 13
-        versionName "1.2.12"
+        versionName "1.2.13"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {

app/src/main/java/llc/arma/ble/data/BleRepositoryImpl.kt

@@ -1022,7 +1022,12 @@ class BleRepositoryImpl @Inject constructor(
         device: BluetoothDevice,
         serviceId: UUID,
         characteristicId: UUID
-    ): Result<ByteArray, BleException> = suspendCancellableCoroutine {
+    ): Result<ByteArray, BleException> {
+
+        var result: Result<ByteArray, BleException> = Result.failure(BleException.UnexpectedResponse)
+
+        repeat(5){
+            result = suspendCancellableCoroutine {
 
                 var result: ByteArray?
 
@@ -1162,12 +1167,27 @@ class BleRepositoryImpl @Inject constructor(
 
             }
 
+            if(result.isSuccess || (result.getErrorOrNull() is BleException.UnexpectedResponse).not()){
+                return result
+            }
+
+        }
+
+        return result
+
+    }
+
     private suspend fun writeCharacteristic(
         device: BluetoothDevice,
         serviceId: UUID,
         characteristicId: UUID,
         writeData: ByteArray
-    ): Result<Unit, BleException> = suspendCancellableCoroutine {
+    ): Result<Unit, BleException> {
+
+        var result: Result<Unit, BleException> = Result.failure(BleException.UnexpectedResponse)
+
+        repeat(5){
+            result = suspendCancellableCoroutine {
 
                 var bleGatt: BluetoothGatt? = null
 
@@ -1295,6 +1315,16 @@ class BleRepositoryImpl @Inject constructor(
 
             }
 
+            if(result.isSuccess || (result.getErrorOrNull() is BleException.UnexpectedResponse).not()){
+                return result
+            }
+
+        }
+
+        return result
+
+    }
+
     fun checkPermission(): Boolean {
 
         return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {