Updated check for touch exploration enabled state

Bug: 5061704
Change-Id: Id2c0cce953f7bdb2b4c18b68f9e318d95eabc1b8

java/src/com/android/inputmethod/accessibility/AccessibilityUtils.java

@@ -16,7 +16,6 @@
 
 package com.android.inputmethod.accessibility;
 
-import android.accessibilityservice.AccessibilityServiceInfo;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.inputmethodservice.InputMethodService;
@@ -82,10 +81,8 @@ public class AccessibilityUtils {
      */
     public boolean isTouchExplorationEnabled() {
         return ENABLE_ACCESSIBILITY
-                && AccessibilityEventCompatUtils.supportsTouchExploration()
                 && mAccessibilityManager.isEnabled()
-                && !mCompatManager.getEnabledAccessibilityServiceList(
-                        AccessibilityServiceInfo.FEEDBACK_SPOKEN).isEmpty();
+                && mCompatManager.isTouchExplorationEnabled();
     }
 
     /**

java/src/com/android/inputmethod/compat/AccessibilityEventCompatUtils.java

@@ -16,24 +16,7 @@
 
 package com.android.inputmethod.compat;
 
-import android.view.accessibility.AccessibilityEvent;
-
-import java.lang.reflect.Field;
-
 public class AccessibilityEventCompatUtils {
     public static final int TYPE_VIEW_HOVER_ENTER = 0x80;
     public static final int TYPE_VIEW_HOVER_EXIT = 0x100;
-
-    private static final Field FIELD_TYPE_VIEW_HOVER_ENTER = CompatUtils.getField(
-            AccessibilityEvent.class, "TYPE_VIEW_HOVER_ENTER");
-    private static final Field FIELD_TYPE_VIEW_HOVER_EXIT = CompatUtils.getField(
-            AccessibilityEvent.class, "TYPE_VIEW_HOVER_EXIT");
-    private static final Integer OBJ_TYPE_VIEW_HOVER_ENTER = (Integer) CompatUtils
-            .getFieldValue(null, null, FIELD_TYPE_VIEW_HOVER_ENTER);
-    private static final Integer OBJ_TYPE_VIEW_HOVER_EXIT = (Integer) CompatUtils
-            .getFieldValue(null, null, FIELD_TYPE_VIEW_HOVER_EXIT);
-
-    public static boolean supportsTouchExploration() {
-        return OBJ_TYPE_VIEW_HOVER_ENTER != null && OBJ_TYPE_VIEW_HOVER_EXIT != null;
-    }
 }

java/src/com/android/inputmethod/compat/AccessibilityManagerCompatWrapper.java

@@ -16,16 +16,13 @@
 
 package com.android.inputmethod.compat;
 
-import android.accessibilityservice.AccessibilityServiceInfo;
 import android.view.accessibility.AccessibilityManager;
 
 import java.lang.reflect.Method;
-import java.util.Collections;
-import java.util.List;
 
 public class AccessibilityManagerCompatWrapper {
-    private static final Method METHOD_getEnabledAccessibilityServiceList = CompatUtils.getMethod(
-            AccessibilityManager.class, "getEnabledAccessibilityServiceList", int.class);
+    private static final Method METHOD_isTouchExplorationEnabled = CompatUtils.getMethod(
+            AccessibilityManager.class, "isTouchExplorationEnabled");
 
     private final AccessibilityManager mManager;
 
@@ -33,10 +30,7 @@ public class AccessibilityManagerCompatWrapper {
         mManager = manager;
     }
 
-    @SuppressWarnings("unchecked")
-    public List<AccessibilityServiceInfo> getEnabledAccessibilityServiceList(int feedbackType) {
-        return (List<AccessibilityServiceInfo>) CompatUtils.invoke(mManager,
-                Collections.<AccessibilityServiceInfo>emptyList(),
-                METHOD_getEnabledAccessibilityServiceList, feedbackType);
+    public boolean isTouchExplorationEnabled() {
+        return (Boolean) CompatUtils.invoke(mManager, false, METHOD_isTouchExplorationEnabled);
     }
 }