Clean up BackupSettingsHelper.getSummary()

Backup item in System page no longer has summary.

Bug: 310513318
Test: m RunSettingsRoboTests
Change-Id: I0bb3b9114287546c279a5f30b65fb7081af54e44

res/values/strings.xml

@@ -6094,10 +6094,6 @@
     <!-- Backup and reset Settings screen --><skip />
     <!-- Backup and reset settings menu and activity title -->
     <string name="privacy_settings_title">Backup</string>
-    <!-- Summary for the Backup settings when it is turned on. -->
-    <string name="backup_summary_state_on">On</string>
-    <!-- Summary for the Backup settings when it is turned off. -->
-    <string name="backup_summary_state_off">Off</string>
     <!-- Backup section title -->
     <string name="backup_section_title">Backup &amp; restore</string>
     <!-- Personal data section title -->

src/com/android/settings/backup/BackupSettingsHelper.java

@@ -24,7 +24,6 @@ import android.content.Intent;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.os.UserManager;
 import android.text.TextUtils;
 import android.util.Log;
 
@@ -50,24 +49,6 @@ public class BackupSettingsHelper {
         mContext = context;
     }
 
-    /**
-     * If there is only one profile, show whether the backup is on or off.
-     * Otherwise, show nothing.
-     */
-    public String getSummary() {
-        UserManager userManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
-        if (userManager.getUserProfiles().size() == 1) {
-            try {
-                int resId = mBackupManager.isBackupEnabled()
-                        ? R.string.backup_summary_state_on : R.string.backup_summary_state_off;
-                return mContext.getText(resId).toString();
-            } catch (RemoteException e) {
-                Log.e(TAG, "Error getting isBackupEnabled", e);
-            }
-        }
-        return null;
-    }
-
     /**
      * Returns an intent to launch backup settings from backup transport if the intent was provided
      * by the transport. Otherwise returns the intent to launch the default backup settings screen.

tests/robotests/src/com/android/settings/backup/BackupSettingsHelperTest.java

@@ -34,7 +34,6 @@ import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.os.IBinder;
 import android.os.RemoteException;
-import android.os.UserHandle;
 
 import com.android.settings.R;
 
@@ -48,8 +47,6 @@ import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
-import org.robolectric.shadow.api.Shadow;
-import org.robolectric.shadows.ShadowUserManager;
 
 @RunWith(RobolectricTestRunner.class)
 @Config(shadows = BackupSettingsHelperTest.ShadowBackupManagerStub.class)
@@ -72,46 +69,12 @@ public class BackupSettingsHelperTest {
     @Mock
     private static IBackupManager mBackupManager;
 
-    private ShadowUserManager mUserManager;
-
     @Before
     public void setUp() throws Exception {
         MockitoAnnotations.initMocks(this);
         mContext = spy(RuntimeEnvironment.application.getApplicationContext());
         when(mBackupManager.getCurrentTransport()).thenReturn("test_transport");
         mBackupSettingsHelper = new BackupSettingsHelper(mContext);
-        mUserManager = Shadow.extract(mContext.getSystemService(Context.USER_SERVICE));
-    }
-
-    @Test
-    public void testGetSummary_backupEnabledOnlyOneProfile_showsOn() throws Exception {
-        mUserManager.addUserProfile(new UserHandle(0));
-        when(mBackupManager.isBackupEnabled()).thenReturn(true);
-
-        String backupSummary = mBackupSettingsHelper.getSummary();
-
-        assertThat(backupSummary).isEqualTo(mContext.getString(R.string.backup_summary_state_on));
-    }
-
-    @Test
-    public void testGetSummary_backupDisabledOnlyOneProfile_showsOff() throws Exception {
-        mUserManager.addUserProfile(new UserHandle(0));
-        when(mBackupManager.isBackupEnabled()).thenReturn(false);
-
-        String backupSummary = mBackupSettingsHelper.getSummary();
-
-        assertThat(backupSummary).isEqualTo(mContext.getString(R.string.backup_summary_state_off));
-    }
-
-    @Test
-    public void testGetSummary_TwoProfiles_returnsNull() throws Exception {
-        mUserManager.addUserProfile(new UserHandle(0));
-        mUserManager.addUserProfile(new UserHandle(10));
-        when(mBackupManager.isBackupEnabled()).thenReturn(true);
-
-        String backupSummary = mBackupSettingsHelper.getSummary();
-
-        assertThat(backupSummary).isNull();
     }
 
     @Test