Clarify text shown in a11y service warning dialog

Replacing the text generated from the service's
capabilities (which could change) with a generic message
based on the maximum capabilities (full control) a service
can obtain.

Bug: 110715236
Test: atest SettingsRoboTests
Change-Id: Iecb548c77c9031626d4da24741ec1f753d0cc94f
diff --git a/res/layout/enable_accessibility_service_dialog_content.xml b/res/layout/enable_accessibility_service_dialog_content.xml
index f212eb1..e16dc65 100644
--- a/res/layout/enable_accessibility_service_dialog_content.xml
+++ b/res/layout/enable_accessibility_service_dialog_content.xml
@@ -38,20 +38,13 @@
             android:textAppearance="?android:attr/textAppearanceMedium"/>
 
         <TextView
-            android:id="@+id/capabilities_header"
+            android:id="@+id/accessibility_service_warning"
             android:layout_width="fill_parent"
             android:layout_height="wrap_content"
             android:padding="10dip"
             android:textAlignment="viewStart"
             android:textAppearance="?android:attr/textAppearanceMedium"/>
 
-        <LinearLayout
-            android:id="@+id/capabilities"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:padding="10dip"/>
-
     </LinearLayout>
 
 </ScrollView>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index fb8ab20..4700d3f 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -4818,11 +4818,12 @@
         example="TalkBack">%1$s</xliff:g> affects data encryption, you need to confirm your password.
     </string>
 
-    <!-- Title for the capability of an accessibility service to receive events and keys. -->
-    <string name="capability_title_receiveAccessibilityEvents">Observe your actions</string>
-    <!-- Description for the capability of an accessibility service to receive events and keys. -->
-    <string name="capability_desc_receiveAccessibilityEvents">Receive notifications when you\u2019re
-        interacting with an app.</string>
+    <!-- Warning that explains that accessibility services have a lot of access to user data [CHAR LIMIT=NONE] -->
+    <string name="accessibility_service_warning"><xliff:g id="service"
+        example="TalkBack">%1$s</xliff:g> is requesting full control of this device. The service
+        can read the screen and act on behalf of users with accessibility needs.
+        This level of control is not appropriate for most apps.
+    </string>
 
     <!-- Title for a warning about disabling an accessibility service. [CHAR LIMIT=NONE] -->
     <string name="disable_service_title">Stop <xliff:g id="service" example="TalkBack">%1$s</xliff:g>?</string>
diff --git a/src/com/android/settings/accessibility/AccessibilityServiceWarning.java b/src/com/android/settings/accessibility/AccessibilityServiceWarning.java
index 6360d42..e0f1747 100644
--- a/src/com/android/settings/accessibility/AccessibilityServiceWarning.java
+++ b/src/com/android/settings/accessibility/AccessibilityServiceWarning.java
@@ -43,8 +43,8 @@
 import java.util.Locale;
 
 /**
- * Utility class for creating the dialog that asks users for explicit permission to grant
- * all of the requested capabilities to an accessibility service before the service is enabled
+ * Utility class for creating the dialog that asks users for explicit permission for an
+ * accessibility service to access user data before the service is enabled
  */
 public class AccessibilityServiceWarning {
     public static Dialog createCapabilitiesDialog(Activity parentActivity,
@@ -117,60 +117,9 @@
             encryptionWarningView.setVisibility(View.GONE);
         }
 
-        TextView capabilitiesHeaderView = (TextView) content.findViewById(
-                R.id.capabilities_header);
-        capabilitiesHeaderView.setText(context.getString(R.string.capabilities_list_title,
-                getServiceName(context, info)));
-
-        LinearLayout capabilitiesView = (LinearLayout) content.findViewById(R.id.capabilities);
-
-        // This capability is implicit for all services.
-        View capabilityView = inflater.inflate(
-                com.android.internal.R.layout.app_permission_item_old, null);
-
-        ImageView imageView = (ImageView) capabilityView.findViewById(
-                com.android.internal.R.id.perm_icon);
-        imageView.setImageDrawable(context.getDrawable(
-                com.android.internal.R.drawable.ic_text_dot));
-
-        TextView labelView = (TextView) capabilityView.findViewById(
-                com.android.internal.R.id.permission_group);
-        labelView.setText(context.getString(
-                R.string.capability_title_receiveAccessibilityEvents));
-
-        TextView descriptionView = (TextView) capabilityView.findViewById(
-                com.android.internal.R.id.permission_list);
-        descriptionView.setText(
-                context.getString(R.string.capability_desc_receiveAccessibilityEvents));
-
-        List<AccessibilityServiceInfo.CapabilityInfo> capabilities =
-                info.getCapabilityInfos(context);
-
-        capabilitiesView.addView(capabilityView);
-
-        // Service-specific capabilities.
-        final int capabilityCount = capabilities.size();
-        for (int i = 0; i < capabilityCount; i++) {
-            AccessibilityServiceInfo.CapabilityInfo capability = capabilities.get(i);
-
-            capabilityView = inflater.inflate(
-                    com.android.internal.R.layout.app_permission_item_old, null);
-
-            imageView = (ImageView) capabilityView.findViewById(
-                    com.android.internal.R.id.perm_icon);
-            imageView.setImageDrawable(context.getDrawable(
-                    com.android.internal.R.drawable.ic_text_dot));
-
-            labelView = (TextView) capabilityView.findViewById(
-                    com.android.internal.R.id.permission_group);
-            labelView.setText(context.getString(capability.titleResId));
-
-            descriptionView = (TextView) capabilityView.findViewById(
-                    com.android.internal.R.id.permission_list);
-            descriptionView.setText(context.getString(capability.descResId));
-
-            capabilitiesView.addView(capabilityView);
-        }
+        TextView serviceWarningTextView = content.findViewById(R.id.accessibility_service_warning);
+        serviceWarningTextView.setText(context.getString(R.string.accessibility_service_warning,
+            getServiceName(context, info)));
 
         return content;
     }