am 5565b5cd: Fix IndexOutOfBoundsException while silent provisioning check

* commit '5565b5cd7537e9360e6382507a45cf5e091a5108':
  Fix IndexOutOfBoundsException while silent provisioning check

src/com/android/settings/HotspotOffReceiver.java

@@ -5,6 +5,7 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.net.wifi.WifiManager;
+import android.util.Log;
 
 import com.android.settingslib.TetherUtil;
 
@@ -14,11 +15,15 @@ import com.android.settingslib.TetherUtil;
  */
 public class HotspotOffReceiver extends BroadcastReceiver {
 
+    private static final String TAG = "HotspotOffReceiver";
+    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
+
     @Override
     public void onReceive(Context context, Intent intent) {
         if (WifiManager.WIFI_AP_STATE_CHANGED_ACTION.equals(intent.getAction())) {
             WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
             if (wifiManager.getWifiApState() == WifiManager.WIFI_AP_STATE_DISABLED) {
+                if (DEBUG) Log.d(TAG, "TetherService.cancelRecheckAlarmIfNecessary called");
                 // The hotspot has been turned off, we don't need to recheck tethering.
                 TetherService.cancelRecheckAlarmIfNecessary(context, TetherUtil.TETHERING_WIFI);
             }

src/com/android/settings/TetherService.java

@@ -89,21 +89,28 @@ public class TetherService extends Service {
                 mCurrentTethers.add(type);
             }
         }
+
         if (intent.hasExtra(TetherUtil.EXTRA_REM_TETHER_TYPE)) {
+            if (!mInProvisionCheck) {
                 int type = intent.getIntExtra(TetherUtil.EXTRA_REM_TETHER_TYPE,
                         TetherUtil.TETHERING_INVALID);
-            if (DEBUG) Log.d(TAG, "Removing tether " + type);
                 int index = mCurrentTethers.indexOf(type);
+                if (DEBUG) Log.d(TAG, "Removing tether " + type + ", index " + index);
                 if (index >= 0) {
                     mCurrentTethers.remove(index);
                     // If we are currently in the middle of a check, we may need to adjust the
                     // index accordingly.
+                    if (DEBUG) Log.d(TAG, "mCurrentTypeIndex: " + mCurrentTypeIndex);
                     if (index <= mCurrentTypeIndex && mCurrentTypeIndex > 0) {
                         mCurrentTypeIndex--;
                     }
                 }
                 cancelAlarmIfNecessary();
+            } else {
+                if (DEBUG) Log.d(TAG, "Don't cancel alarm during provisioning");
             }
+        }
+
         // Only set the alarm if we have one tether, meaning the one just added,
         // to avoid setting it when it was already set previously for another
         // type.
@@ -199,6 +206,7 @@ public class TetherService extends Service {
     }
 
     private void startProvisioning(int index) {
+        if (index < mCurrentTethers.size()) {
             String provisionAction = getResources().getString(
                     com.android.internal.R.string.config_mobile_hotspot_provision_app_no_ui);
             if (DEBUG) Log.d(TAG, "Sending provisioning broadcast: " + provisionAction + " type: "
@@ -209,6 +217,7 @@ public class TetherService extends Service {
             sendBroadcast(intent);
             mInProvisionCheck = true;
         }
+    }
 
     public static void scheduleRecheckAlarm(Context context, int type) {
         Intent intent = new Intent(context, TetherService.class);
@@ -261,13 +270,14 @@ public class TetherService extends Service {
             if (DEBUG) Log.d(TAG, "Got provision result " + intent);
             String provisionResponse = context.getResources().getString(
                     com.android.internal.R.string.config_mobile_hotspot_provision_response);
+
             if (provisionResponse.equals(intent.getAction())) {
                 if (!mInProvisionCheck) {
                     Log.e(TAG, "Unexpected provision response " + intent);
                     return;
                 }
-                mInProvisionCheck = false;
                 int checkType = mCurrentTethers.get(mCurrentTypeIndex);
+                mInProvisionCheck = false;
                 if (intent.getIntExtra(EXTRA_RESULT, RESULT_DEFAULT) == RESULT_OK) {
                     if (checkType == TetherUtil.TETHERING_WIFI && mEnableWifiAfterCheck) {
                         enableWifiTetheringIfNeeded();
@@ -286,7 +296,8 @@ public class TetherService extends Service {
                             break;
                     }
                 }
-                if (++mCurrentTypeIndex == mCurrentTethers.size()) {
+
+                if (++mCurrentTypeIndex >= mCurrentTethers.size()) {
                     // We are done with all checks, time to die.
                     stopSelf();
                 } else {