Restricted Context layout font loading in TextView

When the context is restricted, avoid loading custom fonts in
layouts. This is currently only done by TextView. Loading
system fonts via their string name is still OK, just not by
resource id.

Test: cts attached in topic
Bug: 35763094, 31218679
Change-Id: I0dc3a3eade0439c503c58a582b083d7ba1dd4aa3

1 files changed, 20 insertions, 13 deletions

diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 492010c414fa..12a48a1913ac 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -913,10 +913,13 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                         break;
 
                     case com.android.internal.R.styleable.TextAppearance_fontFamily:
-                        try {
-                            fontTypeface = appearance.getFont(attr);
-                        } catch (UnsupportedOperationException | Resources.NotFoundException e) {
-                            // Expected if it is not a font resource.
+                        if (!context.isRestricted()) {
+                            try {
+                                fontTypeface = appearance.getFont(attr);
+                            } catch (UnsupportedOperationException
+                                    | Resources.NotFoundException e) {
+                                // Expected if it is not a font resource.
+                            }
                         }
                         if (fontTypeface == null) {
                             fontFamily = appearance.getString(attr);
@@ -1230,11 +1233,13 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                     break;
 
                 case com.android.internal.R.styleable.TextView_fontFamily:
-                    try {
-                        fontTypeface = a.getFont(attr);
-                    } catch (UnsupportedOperationException | Resources.NotFoundException e) {
-                        // Expected if it is not a resource reference or if it is a reference to
-                        // another resource type.
+                    if (!context.isRestricted()) {
+                        try {
+                            fontTypeface = a.getFont(attr);
+                        } catch (UnsupportedOperationException | Resources.NotFoundException e) {
+                            // Expected if it is not a resource reference or if it is a reference to
+                            // another resource type.
+                        }
                     }
                     if (fontTypeface == null) {
                         fontFamily = a.getString(attr);
@@ -3381,10 +3386,12 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
 
         Typeface fontTypeface = null;
         String fontFamily = null;
-        try {
-            fontTypeface = ta.getFont(R.styleable.TextAppearance_fontFamily);
-        } catch (UnsupportedOperationException | Resources.NotFoundException e) {
-            // Expected if it is not a font resource.
+        if (!context.isRestricted()) {
+            try {
+                fontTypeface = ta.getFont(R.styleable.TextAppearance_fontFamily);
+            } catch (UnsupportedOperationException | Resources.NotFoundException e) {
+                // Expected if it is not a font resource.
+            }
         }
         if (fontTypeface == null) {
             fontFamily = ta.getString(R.styleable.TextAppearance_fontFamily);