FRP: Add dedicated explanation strings for ConfirmCredential

Change-Id: I1bf63898509032560cd302fde9dfe05473336e49
Fixes: 63958816
Test: adb shell settings put global device_provisioned 1 && adb shell am start -a android.app.action.CONFIRM_FRP_CREDENTIAL; verify strings

res/values/strings.xml

@@ -3491,6 +3491,20 @@
          continue. [CHAR LIMIT=100] -->
     <string name="lockpassword_strong_auth_required_work_password">For added security, enter your work password</string>
 
+    <!-- An explanation text that the pattern needs to be solved because the device was factory reset. [CHAR LIMIT=100] -->
+    <string name="lockpassword_confirm_your_pattern_details_frp">Your phone was reset to factory settings. To use this phone, enter your previous pattern.</string>
+    <!-- An explanation text that the pin needs to be solved because the device was factory reset. [CHAR LIMIT=100] -->
+    <string name="lockpassword_confirm_your_pin_details_frp">Your phone was reset to factory settings. To use this phone, enter your previous PIN.</string>
+    <!-- An explanation text that the password needs to be solved because the device was factory reset. [CHAR LIMIT=100] -->
+    <string name="lockpassword_confirm_your_password_details_frp">Your phone was reset to factory settings. To use this phone, enter your previous password.</string>
+
+    <!-- Header shown when pattern needs to be solved because the device was factory reset. [CHAR LIMIT=100] -->
+    <string name="lockpassword_confirm_your_pattern_header_frp">Verify pattern</string>
+    <!-- Header shown when the pin needs to be solved because the device was factory reset. [CHAR LIMIT=100] -->
+    <string name="lockpassword_confirm_your_pin_header_frp">Verify PIN</string>
+    <!-- Header shown when the password needs to be solved because the device was factory reset. [CHAR LIMIT=100] -->
+    <string name="lockpassword_confirm_your_password_header_frp">Verify password</string>
+
     <!-- Security & location settings screen, change security method screen instruction if user
          enters incorrect PIN [CHAR LIMIT=30] -->
     <string name="lockpassword_invalid_pin">Wrong PIN</string>

src/com/android/settings/password/ConfirmLockPassword.java

@@ -197,11 +197,19 @@ public class ConfirmLockPassword extends ConfirmDeviceCredentialBaseActivity {
         }
 
         private int getDefaultHeader() {
+            if (mFrp) {
+                return mIsAlpha ? R.string.lockpassword_confirm_your_password_header_frp
+                        : R.string.lockpassword_confirm_your_pin_header_frp;
+            }
             return mIsAlpha ? R.string.lockpassword_confirm_your_password_header
                     : R.string.lockpassword_confirm_your_pin_header;
         }
 
         private int getDefaultDetails() {
+            if (mFrp) {
+                return mIsAlpha ? R.string.lockpassword_confirm_your_password_details_frp
+                        : R.string.lockpassword_confirm_your_pin_details_frp;
+            }
             boolean isStrongAuthRequired = isStrongAuthRequired();
             boolean isProfile = UserManager.get(getActivity()).isManagedProfile(mEffectiveUserId);
             // Map boolean flags to an index by isStrongAuth << 2 + isProfile << 1 + isAlpha.

src/com/android/settings/password/ConfirmLockPattern.java

@@ -243,6 +243,9 @@ public class ConfirmLockPattern extends ConfirmDeviceCredentialBaseActivity {
         }
 
         private int getDefaultDetails() {
+            if (mFrp) {
+                return R.string.lockpassword_confirm_your_pattern_details_frp;
+            }
             final boolean isStrongAuthRequired = isStrongAuthRequired();
             if (UserManager.get(getActivity()).isManagedProfile(mEffectiveUserId)) {
                 return isStrongAuthRequired
@@ -296,7 +299,7 @@ public class ConfirmLockPattern extends ConfirmDeviceCredentialBaseActivity {
                     if (mHeaderText != null) {
                         mHeaderTextView.setText(mHeaderText);
                     } else {
-                        mHeaderTextView.setText(R.string.lockpassword_confirm_your_pattern_header);
+                        mHeaderTextView.setText(getDefaultHeader());
                     }
                     if (mDetailsText != null) {
                         mDetailsTextView.setText(mDetailsText);
@@ -331,6 +334,11 @@ public class ConfirmLockPattern extends ConfirmDeviceCredentialBaseActivity {
             mHeaderTextView.announceForAccessibility(mHeaderTextView.getText());
         }
 
+        private int getDefaultHeader() {
+            return mFrp ? R.string.lockpassword_confirm_your_pattern_header_frp
+                    : R.string.lockpassword_confirm_your_pattern_header;
+        }
+
         private Runnable mClearPatternRunnable = new Runnable() {
             public void run() {
                 mLockPatternView.clearPattern();