diff options
Diffstat (limited to 'src')
3 files changed, 176 insertions, 1 deletions
diff --git a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java index 58963f71ea..4166db39c2 100644 --- a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java +++ b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java @@ -259,7 +259,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra controllers.add(new DebugViewAttributesPreferenceController(context)); controllers.add(new SelectDebugAppPreferenceController(context, fragment)); controllers.add(new WaitForDebuggerPreferenceController(context)); - // verify apps over usb + controllers.add(new VerifyAppsOverUsbPreferenceControllerV2(context)); // logger buffer sizes // store logger data persistently on device controllers.add(new ConnectivityMonitorPreferenceControllerV2(context)); diff --git a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java index d7891c75d5..4fd7fbcd09 100644 --- a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java +++ b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java @@ -37,7 +37,10 @@ import java.util.List; /** * Controller to manage the state of "Verify apps over USB" toggle. + * + * deprecated in favor of {@link VerifyAppsOverUsbPreferenceControllerV2} */ +@Deprecated public class VerifyAppsOverUsbPreferenceController extends AbstractPreferenceController implements PreferenceControllerMixin { private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb"; diff --git a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerV2.java b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerV2.java new file mode 100644 index 0000000000..76c8669b7b --- /dev/null +++ b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerV2.java @@ -0,0 +1,172 @@ +/* + * Copyright (C) 2017 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.android.settings.development; + +import android.content.ContentResolver; +import android.content.Context; +import android.content.Intent; +import android.content.pm.ResolveInfo; +import android.os.UserHandle; +import android.os.UserManager; +import android.provider.Settings; +import android.support.annotation.VisibleForTesting; +import android.support.v7.preference.Preference; +import android.support.v7.preference.PreferenceScreen; + +import com.android.settingslib.RestrictedLockUtils; +import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; +import com.android.settingslib.RestrictedSwitchPreference; +import com.android.settingslib.wrapper.PackageManagerWrapper; + +import java.util.List; + +/** + * Controller to manage the state of "Verify apps over USB" toggle. + */ +public class VerifyAppsOverUsbPreferenceControllerV2 extends + DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, + AdbOnChangeListener { + private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb"; + private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; + + private RestrictedSwitchPreference mPreference; + + @VisibleForTesting + static final int SETTING_VALUE_ON = 1; + @VisibleForTesting + static final int SETTING_VALUE_OFF = 0; + + /** + * Class for indirection of RestrictedLockUtils for testing purposes. It would be nice to mock + * the appropriate methods in UserManager instead but they aren't accessible. + */ + @VisibleForTesting + class RestrictedLockUtilsDelegate { + public EnforcedAdmin checkIfRestrictionEnforced( + Context context, String userRestriction, int userId) { + return RestrictedLockUtils.checkIfRestrictionEnforced(context, userRestriction, userId); + } + } + + // NB: This field is accessed using reflection in the test, please keep name in sync. + private final RestrictedLockUtilsDelegate mRestrictedLockUtils = + new RestrictedLockUtilsDelegate(); + + // This field is accessed using reflection in the test, please keep name in sync. + private final PackageManagerWrapper mPackageManager; + + public VerifyAppsOverUsbPreferenceControllerV2(Context context) { + super(context); + + mPackageManager = new PackageManagerWrapper(context.getPackageManager()); + } + + @Override + public boolean isAvailable() { + return Settings.Global.getInt(mContext.getContentResolver(), + Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 1 /* default */) > 0; + } + + @Override + public String getPreferenceKey() { + return VERIFY_APPS_OVER_USB_KEY; + } + + @Override + public void displayPreference(PreferenceScreen screen) { + super.displayPreference(screen); + mPreference = (RestrictedSwitchPreference) screen.findPreference(getPreferenceKey()); + } + + @Override + public boolean onPreferenceChange(Preference preference, Object newValue) { + final boolean isEnabled = (Boolean) newValue; + Settings.Global.putInt(mContext.getContentResolver(), + Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, + isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); + return true; + } + + @Override + public void updateState(Preference preference) { + if (!shouldBeEnabled()) { + mPreference.setChecked(false); + mPreference.setDisabledByAdmin(null); + mPreference.setEnabled(false); + return; + } + + final EnforcedAdmin enforcingAdmin = mRestrictedLockUtils.checkIfRestrictionEnforced( + mContext, UserManager.ENSURE_VERIFY_APPS, UserHandle.myUserId()); + if (enforcingAdmin != null) { + mPreference.setChecked(true); + mPreference.setDisabledByAdmin(enforcingAdmin); + return; + } + + mPreference.setEnabled(true); + final boolean checked = Settings.Global.getInt(mContext.getContentResolver(), + Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, SETTING_VALUE_ON) + != SETTING_VALUE_OFF; + mPreference.setChecked(checked); + } + + @Override + public void onAdbSettingChanged() { + if (isAvailable()) { + updateState(mPreference); + } + } + + @Override + protected void onDeveloperOptionsSwitchEnabled() { + updateState(mPreference); + } + + @Override + protected void onDeveloperOptionsSwitchDisabled() { + // intentional no-op + // We can rely on onAdbSettingChanged() to update this controller. + } + + /** + * Checks whether the toggle should be enabled depending on whether verify apps over USB is + * possible currently. If ADB is disabled or if package verifier does not exist, the toggle + * should be disabled. + */ + private boolean shouldBeEnabled() { + final ContentResolver cr = mContext.getContentResolver(); + if (Settings.Global.getInt(cr, Settings.Global.ADB_ENABLED, + AdbPreferenceController.ADB_SETTING_OFF) + == AdbPreferenceController.ADB_SETTING_OFF) { + return false; + } + if (Settings.Global.getInt(cr, Settings.Global.PACKAGE_VERIFIER_ENABLE, SETTING_VALUE_ON) + == SETTING_VALUE_OFF) { + return false; + } else { + final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); + verification.setType(PACKAGE_MIME_TYPE); + verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); + final List<ResolveInfo> receivers = mPackageManager.queryBroadcastReceivers( + verification, 0 /* flags */); + if (receivers.size() == 0) { + return false; + } + } + return true; + } +} |