Settings:Fix mImsi null cause ApnSettings crash

mImsi may be "null" in some case,if we use "" instead may
 cause crash in ApnSettings&com.android.phone. so fix it
to use old way to set Apn in that "null"  case.

Change-Id: I0119e9a3f58c688e0e271ae62f50484ad8a29da9

1 files changed, 2 insertions, 5 deletions

diff --git a/src/com/android/settings/ApnSettings.java b/src/com/android/settings/ApnSettings.java
index 0459a13..4bb836a 100644
--- a/src/com/android/settings/ApnSettings.java
+++ b/src/com/android/settings/ApnSettings.java
@@ -164,9 +164,6 @@ public class ApnSettings extends SettingsPreferenceFragment implements
                 SubscriptionManager.INVALID_SUBSCRIPTION_ID);
 
         mImsi = activity.getIntent().getStringExtra(EXTRA_IMSI);
-        if (mImsi == null) {
-            mImsi = "";
-        }
 
         mUm = (UserManager) getSystemService(Context.USER_SERVICE);
 
@@ -419,7 +416,7 @@ public class ApnSettings extends SettingsPreferenceFragment implements
 
         ContentValues values = new ContentValues();
         values.put(APN_ID, mSelectedKey);
-        if (TelephonyManager.getDefault().getPhoneCount() > 1) {
+        if (TelephonyManager.getDefault().getPhoneCount() > 1 && mImsi != null) {
             Uri qUri = Uri.withAppendedPath(PREFERRED_MSIM_APN_URI,
                     String.valueOf(mSubscriptionInfo.getSubscriptionId()));
             qUri = Uri.withAppendedPath(qUri, mImsi);
@@ -433,7 +430,7 @@ public class ApnSettings extends SettingsPreferenceFragment implements
         String key = null;
 
         Uri uri;
-        if (TelephonyManager.getDefault().getPhoneCount() > 1) {
+        if (TelephonyManager.getDefault().getPhoneCount() > 1 && mImsi != null)  {
             uri = Uri.withAppendedPath(PREFERRED_MSIM_APN_URI,
                     String.valueOf(mSubscriptionInfo.getSubscriptionId()));
             uri = Uri.withAppendedPath(uri, mImsi);