1 files changed, 49 insertions, 0 deletions

diff --git a/packages/Keyguard/src/com/android/keyguard/CarrierText.java b/packages/Keyguard/src/com/android/keyguard/CarrierText.java
index 416c7b0..f04db02 100644
--- a/packages/Keyguard/src/com/android/keyguard/CarrierText.java
+++ b/packages/Keyguard/src/com/android/keyguard/CarrierText.java
@@ -39,6 +39,7 @@ import com.android.internal.telephony.IccCardConstants;
 import com.android.internal.telephony.IccCardConstants.State;
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.settingslib.WirelessUtils;
+import android.telephony.TelephonyManager;
 
 public class CarrierText extends TextView {
     private static final boolean DEBUG = KeyguardConstants.DEBUG;
@@ -52,6 +53,8 @@ public class CarrierText extends TextView {
 
     private WifiManager mWifiManager;
 
+    private boolean[] mSimErrorState = new boolean[TelephonyManager.getDefault().getPhoneCount()];
+
     private KeyguardUpdateMonitorCallback mCallback = new KeyguardUpdateMonitorCallback() {
         @Override
         public void onRefreshCarrierInfo() {
@@ -65,6 +68,22 @@ public class CarrierText extends TextView {
         public void onStartedWakingUp() {
             setSelected(true);
         };
+
+        public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) {
+            if (slotId < 0) {
+                Log.d(TAG, "onSimStateChanged() - slotId invalid: " + slotId);
+                return;
+            }
+
+            Log.d(TAG,"onSimStateChanged: " + getStatusForIccState(simState));
+            if (getStatusForIccState(simState) == StatusMode.SimIoError) {
+                mSimErrorState[slotId] = true;
+                updateCarrierText();
+            } else if (mSimErrorState[slotId]) {
+                mSimErrorState[slotId] = false;
+                updateCarrierText();
+            }
+        };
     };
     /**
      * The status of this lock screen. Primarily used for widgets on LockScreen.
@@ -102,6 +121,35 @@ public class CarrierText extends TextView {
         mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
     }
 
+    /**
+     * Checks if there are faulty cards. Adds the text depending on the slot of the card
+     * @param text: current carrier text based on the sim state
+     * @param noSims: whether a valid sim card is inserted
+     * @return text
+    */
+    private CharSequence updateCarrierTextWithSimIoError(CharSequence text, boolean noSims) {
+        final CharSequence carrier = "";
+        CharSequence carrierTextForSimState = getCarrierTextForSimState(
+            IccCardConstants.State.CARD_IO_ERROR, carrier);
+        for (int index = 0; index < mSimErrorState.length; index++) {
+            if (mSimErrorState[index]) {
+                // In the case when no sim cards are detected but a faulty card is inserted
+                // overwrite the text and only show "Invalid card"
+                if (noSims) {
+                    return concatenate(carrierTextForSimState,
+                        getContext().getText(com.android.internal.R.string.emergency_calls_only));
+                } else if (index == 0) {
+                    // prepend "Invalid card" when faulty card is inserted in slot 0
+                    text = concatenate(carrierTextForSimState, text);
+                } else {
+                    // concatenate "Invalid card" when faulty card is inserted in slot 1
+                    text = concatenate(text, carrierTextForSimState);
+                }
+            }
+        }
+        return text;
+    }
+
     protected void updateCarrierText() {
         boolean allSimsMissing = true;
         boolean anySimReadyAndInService = false;
@@ -180,6 +228,7 @@ public class CarrierText extends TextView {
             }
         }
 
+        displayText = updateCarrierTextWithSimIoError(displayText, allSimsMissing);
         // APM (airplane mode) != no carrier state. There are carrier services
         // (e.g. WFC = Wi-Fi calling) which may operate in APM.
         if (!anySimReadyAndInService && WirelessUtils.isAirplaneModeOn(mContext)) {