From f1789afa535b113047ef20623d79fdfb257537aa Mon Sep 17 00:00:00 2001
From: Tony Mantler <nicoya@google.com>
Date: Thu, 7 Aug 2014 12:42:40 -0700
Subject: [PATCH] Switch null checks to TextUtils.isEmpty()

b/16872654

Change-Id: Ib8943f068ad6988ff08f8bfd54e2df8fa5ce0274
---
 .../emailcommon/utility/EmailClientConnectionManager.java    | 2 +-
 .../email/activity/setup/AccountSetupIncomingFragment.java   | 2 +-
 src/com/android/email/view/CertificateSelector.java          | 5 +++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/emailcommon/src/com/android/emailcommon/utility/EmailClientConnectionManager.java b/emailcommon/src/com/android/emailcommon/utility/EmailClientConnectionManager.java
index ca0c21aab..82c1a4e74 100644
--- a/emailcommon/src/com/android/emailcommon/utility/EmailClientConnectionManager.java
+++ b/emailcommon/src/com/android/emailcommon/utility/EmailClientConnectionManager.java
@@ -133,7 +133,7 @@ public class EmailClientConnectionManager extends ThreadSafeClientConnManager {
      */
     public static String makeScheme(
             boolean useSsl, boolean trustAllServerCerts, String clientCertAlias) {
-        if (clientCertAlias != null) {
+        if (!TextUtils.isEmpty(clientCertAlias)) {
             return makeSchemeForClientCert(clientCertAlias, trustAllServerCerts);
         } else {
             return useSsl ? (trustAllServerCerts ? "httpts" : "https") : "http";
diff --git a/src/com/android/email/activity/setup/AccountSetupIncomingFragment.java b/src/com/android/email/activity/setup/AccountSetupIncomingFragment.java
index e3ba87fb9..7ae2c38e8 100644
--- a/src/com/android/email/activity/setup/AccountSetupIncomingFragment.java
+++ b/src/com/android/email/activity/setup/AccountSetupIncomingFragment.java
@@ -397,7 +397,7 @@ public class AccountSetupIncomingFragment extends AccountServerBaseFragment
             updatePortFromSecurityType();
         }
 
-        if (recvAuth.mClientCertAlias != null) {
+        if (!TextUtils.isEmpty(recvAuth.mClientCertAlias)) {
             mClientCertificateSelector.setCertificate(recvAuth.mClientCertAlias);
         }
 
diff --git a/src/com/android/email/view/CertificateSelector.java b/src/com/android/email/view/CertificateSelector.java
index 35826f8fe..12945de68 100644
--- a/src/com/android/email/view/CertificateSelector.java
+++ b/src/com/android/email/view/CertificateSelector.java
@@ -22,6 +22,7 @@ import android.content.res.Resources;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.security.KeyChain;
+import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -84,11 +85,11 @@ public class CertificateSelector extends RelativeLayout implements OnClickListen
         Resources res = getResources();
         mValue = alias;
         mAliasText.setText(
-                (alias == null)
+                TextUtils.isEmpty(alias)
                 ? res.getString(R.string.account_setup_exchange_no_certificate)
                 : alias);
         mSelectButton.setText(res.getString(
-                (alias == null)
+                TextUtils.isEmpty(alias)
                 ? R.string.account_setup_exchange_select_certificate
                 : R.string.account_setup_exchange_remove_certificate));
     }