Check a flag to see whether or not to show permission usage information.

Bug: 122615235
Test: Manually set/unset flag, see/don't see usage information.
Change-Id: I2d743fc28c5676a2304dac73ae96734241f3fe1d

res/xml/location_settings.xml

@@ -28,7 +28,7 @@
 
         <PreferenceCategory
             android:key="location_advanced_settings"
-            settings:initialExpandedChildrenCount="0">
+            settings:initialExpandedChildrenCount="2">
 
             <!-- This preference category gets removed if new_recent_location_ui is disabled -->
             <Preference

src/com/android/settings/location/RecentLocationAccessPreferenceController.java

@@ -18,6 +18,7 @@ import static java.util.concurrent.TimeUnit.DAYS;
 import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
+import android.provider.DeviceConfig;
 import android.view.View;
 
 import androidx.annotation.VisibleForTesting;
@@ -60,7 +61,9 @@ public class RecentLocationAccessPreferenceController extends AbstractPreference
 
     @Override
     public boolean isAvailable() {
-        return true;
+        return Boolean.parseBoolean(
+                DeviceConfig.getProperty(DeviceConfig.Privacy.NAMESPACE,
+                        DeviceConfig.Privacy.PROPERTY_PERMISSIONS_HUB_ENABLED));
     }
 
     @Override

src/com/android/settings/privacy/PermissionBarChartPreferenceController.java

@@ -26,6 +26,7 @@ import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.permission.PermissionControllerManager;
 import android.permission.RuntimePermissionUsageInfo;
+import android.provider.DeviceConfig;
 import android.util.Log;
 import android.view.View;
 
@@ -62,7 +63,10 @@ public class PermissionBarChartPreferenceController extends BasePreferenceContro
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE_UNSEARCHABLE;
+        return Boolean.parseBoolean(
+                DeviceConfig.getProperty(DeviceConfig.Privacy.NAMESPACE,
+                        DeviceConfig.Privacy.PROPERTY_PERMISSIONS_HUB_ENABLED)) ?
+                AVAILABLE_UNSEARCHABLE : UNSUPPORTED_ON_DEVICE;
     }
 
     @Override

tests/robotests/src/com/android/settings/location/RecentLocationAccessPreferenceControllerTest.java

@@ -24,6 +24,7 @@ import static org.mockito.Mockito.when;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.provider.DeviceConfig;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.ImageView;
@@ -32,9 +33,11 @@ import android.widget.TextView;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
+import com.android.settings.testutils.shadow.ShadowDeviceConfig;
 import com.android.settingslib.location.RecentLocationAccesses;
 import com.android.settingslib.widget.LayoutPreference;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -43,11 +46,13 @@ import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
 import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = {ShadowDeviceConfig.class})
 public class RecentLocationAccessPreferenceControllerTest {
     @Mock
     private LayoutPreference mLayoutPreference;
@@ -76,6 +81,25 @@ public class RecentLocationAccessPreferenceControllerTest {
                 mAppEntitiesHeaderView);
     }
 
+    @After
+    public void tearDown() {
+        ShadowDeviceConfig.reset();
+    }
+
+    @Test
+    public void isAvailable_permissionHubNotSet_shouldReturnFalse() {
+        // We have not yet set the property to show the Permissions Hub.
+        assertThat(mController.isAvailable()).isEqualTo(false);
+    }
+
+    @Test
+    public void isAvailable_permissionHubEnabled_shouldReturnTrue() {
+        DeviceConfig.setProperty(DeviceConfig.Privacy.NAMESPACE,
+                DeviceConfig.Privacy.PROPERTY_PERMISSIONS_HUB_ENABLED, "true", true);
+
+        assertThat(mController.isAvailable()).isEqualTo(true);
+    }
+
     /** Verifies the title text, details text are correct, and the click listener is set. */
     @Test
     @Ignore

tests/robotests/src/com/android/settings/privacy/PermissionBarChartPreferenceControllerTest.java

@@ -17,6 +17,7 @@
 package com.android.settings.privacy;
 
 import static com.android.settings.core.BasePreferenceController.AVAILABLE_UNSEARCHABLE;
+import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -28,13 +29,16 @@ import static org.mockito.Mockito.when;
 
 import android.content.Context;
 import android.permission.RuntimePermissionUsageInfo;
+import android.provider.DeviceConfig;
 
 import androidx.preference.PreferenceScreen;
 
+import com.android.settings.testutils.shadow.ShadowDeviceConfig;
 import com.android.settingslib.widget.BarChartInfo;
 import com.android.settingslib.widget.BarChartPreference;
 import com.android.settingslib.widget.BarViewInfo;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -42,11 +46,13 @@ import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
 import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = {ShadowDeviceConfig.class})
 public class PermissionBarChartPreferenceControllerTest {
 
     @Mock
@@ -65,8 +71,22 @@ public class PermissionBarChartPreferenceControllerTest {
                 .thenReturn((BarChartPreference) mPreference);
     }
 
+    @After
+    public void tearDown() {
+        ShadowDeviceConfig.reset();
+    }
+
     @Test
-    public void getAvailabilityStatus_shouldReturnAvailableUnsearchable() {
+    public void getAvailabilityStatus_permissionHubNotSet_shouldReturnUnsupported() {
+        // We have not yet set the property to show the Permissions Hub.
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_permissionHubEnabled_shouldReturnAvailableUnsearchable() {
+        DeviceConfig.setProperty(DeviceConfig.Privacy.NAMESPACE,
+                DeviceConfig.Privacy.PROPERTY_PERMISSIONS_HUB_ENABLED, "true", true);
+
         assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE_UNSEARCHABLE);
     }
 

tests/robotests/src/com/android/settings/testutils/shadow/ShadowDeviceConfig.java

@@ -19,21 +19,32 @@ package com.android.settings.testutils.shadow;
 import org.robolectric.annotation.Config;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
+import org.robolectric.annotation.Resetter;
+
+import java.util.HashMap;
+import java.util.Map;
 
 @Implements(android.provider.DeviceConfig.class)
 public class ShadowDeviceConfig {
 
-    private static String configValue;
+    private static Map<String, String> sPropertyMaps = new HashMap<>();
+
+    @Resetter
+    public static void reset() {
+        sPropertyMaps.clear();
+    }
 
     @Implementation
-    protected static boolean setProperty(
+    public static boolean setProperty(
-        String namespace, String name, String value, boolean makeDefault) {
+            String namespace, String name, String value, boolean makeDefault) {
-        configValue = value;
+        sPropertyMaps.put(name, value);
         return true;
     }
 
     @Implementation
-    protected static String getProperty(String ns, String key) { return configValue; }
+    public static String getProperty(String namespace, String name) {
+        return sPropertyMaps.get(name);
+    }
 }