Hides app buttons for instant apps

Hides the app buttons when the app is an instant app.

Added a todo to remove this functionality when instant apps
are properly supported by this controller.

Test: make RunSettingsRoboTests
Bug: 37313605
Change-Id: I3fca106a8e72c41b626e1182f5ba1089b90e8e2a

src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java

@@ -60,6 +60,7 @@ import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.enterprise.DevicePolicyManagerWrapper;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
 
 import java.util.ArrayList;
@@ -155,7 +156,8 @@ public class AppButtonsPreferenceController extends PreferenceController impleme
 
     @Override
     public boolean isAvailable() {
-        return mAppEntry != null;
+        // TODO(b/37313605): Re-enable once this controller supports instant apps
+        return mAppEntry != null && !AppUtils.isInstant(mAppEntry.info);
     }
 
     @Override

tests/robotests/src/com/android/settings/fuelgauge/AppButtonsPreferenceControllerTest.java

@@ -19,8 +19,8 @@ package com.android.settings.fuelgauge;
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doNothing;
@@ -48,7 +48,9 @@ import com.android.settings.TestConfig;
 import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.enterprise.DevicePolicyManagerWrapper;
 import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.instantapps.InstantAppDataProvider;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -61,6 +63,7 @@ import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
 
 @RunWith(RobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
@@ -188,6 +191,32 @@ public class AppButtonsPreferenceControllerTest {
         verify(mUninstallButton).setEnabled(false);
     }
 
+    @Test
+    public void testIsAvailable_nonInstantApp() throws Exception {
+        mController.mAppEntry = mAppEntry;
+        ReflectionHelpers.setStaticField(AppUtils.class, "sInstantAppDataProvider",
+                new InstantAppDataProvider() {
+                    @Override
+                    public boolean isInstantApp(ApplicationInfo info) {
+                        return false;
+                    }
+                });
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void testIsAvailable_instantApp() throws Exception {
+        mController.mAppEntry = mAppEntry;
+        ReflectionHelpers.setStaticField(AppUtils.class, "sInstantAppDataProvider",
+                new InstantAppDataProvider() {
+                    @Override
+                    public boolean isInstantApp(ApplicationInfo info) {
+                        return true;
+                    }
+                });
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
     @Test
     public void testUpdateUninstallButton_isDeviceAdminApp_setButtonDisable() {
         doReturn(true).when(mController).handleDisableable(any());