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Disallow modifying USB in Settings

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Background
* The admin can disable signaling over USB
  on corporate owned device.

Changes
* If the admin has disabled signaling over
  USB, disable preferences in Settings to
  modify USB.
* Show policy transparency dialogs.

Manual Testing:
* Install TestDPC
* Set up as Device Owner
* Disable USB data signaling
* Verify Settings > Connected Devices
  > USB is disabled
* Verify Settings > Network & Internet
  > Hotspot & tethering > USB tethering
  is disabled
* Verify Developer options >
  USB debugging, default USB configurations
  and USB audio routing are disabled

Bug: 168301639
Test: Manual Testing
      make RunSettingsRoboTests -j ROBOTEST_FILTER=TetherSettingsTest
      make RunSettingsRoboTests -j
      ROBOTEST_FILTER=UsbAudioRoutingPreferenceControllerTest
      make RunSettingsRoboTests -j
      ROBOTEST_FILTER=UsbDefaultFragmentTest
      make RunSettingsRoboTests -j
      ROBOTEST_FILTER=DevelopmentSettingsDashboardFragmentTest
      make RunSettingsRoboTests -j
      ROBOTEST_FILTER=DefaultUsbConfigurationPreferenceControllerTest
      make RunSettingsLibRoboTests -j
      ROBOTEST_FILTER=EnableAdbPreferenceControllerTest

Change-Id: I3e8461ac37f406a407c874598335cde28fb89b2d
Merged-In: I3e8461ac37f406a407c874598335cde28fb89b2d
This commit is contained in:
Alex Johnston
2021-01-15 20:46:05 +00:00
parent 73fe82071d
commit 7d4db750e6
12 changed files with 266 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/com/android/settings/TetherSettings.java
View File

@@ -20,6 +20,8 @@ import static android.net.ConnectivityManager.TETHERING_BLUETOOTH;
import static android.net.ConnectivityManager.TETHERING_USB;
import static android.net.TetheringManager.TETHERING_ETHERNET;
import static com.android.settingslib.RestrictedLockUtilsInternal.checkIfUsbDataSignalingIsDisabled;
import android.app.Activity;
import android.app.settings.SettingsEnums;
import android.bluetooth.BluetoothAdapter;
@@ -38,6 +40,7 @@ import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.HandlerExecutor;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.SearchIndexableResource;
import android.text.TextUtils;
@@ -51,6 +54,7 @@ import com.android.settings.core.FeatureFlags;
import com.android.settings.datausage.DataSaverBackend;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.wifi.tether.WifiTetherPreferenceController;
import com.android.settingslib.RestrictedSwitchPreference;
import com.android.settingslib.TetherUtil;
import com.android.settingslib.search.SearchIndexable;
@@ -82,7 +86,7 @@ public class TetherSettings extends RestrictedSettingsFragment
private static final String TAG = "TetheringSettings";
private SwitchPreference mUsbTether;
private RestrictedSwitchPreference mUsbTether;
private SwitchPreference mBluetoothTether;
@@ -208,7 +212,7 @@ public class TetherSettings extends RestrictedSettingsFragment
@VisibleForTesting
void setupTetherPreference() {
mUsbTether = (SwitchPreference) findPreference(KEY_USB_TETHER_SETTINGS);
mUsbTether = (RestrictedSwitchPreference) findPreference(KEY_USB_TETHER_SETTINGS);
mBluetoothTether = (SwitchPreference) findPreference(KEY_ENABLE_BLUETOOTH_TETHERING);
mEthernetTether = (SwitchPreference) findPreference(KEY_ENABLE_ETHERNET_TETHERING);
}
@@ -415,6 +419,8 @@ public class TetherSettings extends RestrictedSettingsFragment
mUsbTether.setEnabled(false);
mUsbTether.setChecked(false);
}
mUsbTether.setDisabledByAdmin(
checkIfUsbDataSignalingIsDisabled(getContext(), UserHandle.myUserId()));
}
@VisibleForTesting