Switch to printing policy as restriction.

Bug: 64140119
Change-Id: Ib6c39c929c5c698db5c6f4dab649183123370991

Author: vkuzkokov

app/src/main/java/com/afwsamples/testdpc/policy/PolicyManagementFragment.java

@@ -269,7 +269,6 @@ public class PolicyManagementFragment extends BaseSearchablePolicyPreferenceFrag
     private static final String DISABLE_SCREEN_CAPTURE_KEY = "disable_screen_capture";
     private static final String DISABLE_STATUS_BAR = "disable_status_bar";
     private static final String ENABLE_BACKUP_SERVICE = "enable_backup_service";
-    private static final String ENABLE_PRINTING = "enable_printing";
     private static final String ENABLE_PROCESS_LOGGING = "enable_process_logging";
     private static final String ENABLE_NETWORK_LOGGING = "enable_network_logging";
     private static final String ENABLE_SYSTEM_APPS_BY_INTENT_KEY = "enable_system_apps_by_intent";
@@ -414,7 +413,6 @@ public class PolicyManagementFragment extends BaseSearchablePolicyPreferenceFrag
 
     private SwitchPreference mEnableBackupServicePreference;
     private SwitchPreference mMandatoryBackupsPreference;
-    private SwitchPreference mEnablePrintingPreference;
     private SwitchPreference mEnableProcessLoggingPreference;
     private SwitchPreference mEnableNetworkLoggingPreference;
     private SwitchPreference mSetAutoTimeRequiredPreference;
@@ -534,8 +532,6 @@ public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         mEnableBackupServicePreference.setOnPreferenceChangeListener(this);
         mMandatoryBackupsPreference = (SwitchPreference) findPreference(MANDATORY_BACKUPS);
         mMandatoryBackupsPreference.setOnPreferenceChangeListener(this);
-        mEnablePrintingPreference = (SwitchPreference) findPreference(ENABLE_PRINTING);
-        mEnablePrintingPreference.setOnPreferenceChangeListener(this);
         findPreference(REQUEST_BUGREPORT_KEY).setOnPreferenceClickListener(this);
         mEnableProcessLoggingPreference = (SwitchPreference) findPreference(ENABLE_PROCESS_LOGGING);
         mEnableProcessLoggingPreference.setOnPreferenceChangeListener(this);
@@ -649,7 +645,6 @@ public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         reloadMuteAudioUi();
         reloadEnableBackupServiceUi();
         reloadMandatoryBackupsUi();
-        reloadEnablePrintingUi();
         reloadEnableProcessLoggingUi();
         reloadEnableNetworkLoggingUi();
         reloadSetAutoTimeRequiredUi();
@@ -1160,10 +1155,6 @@ public boolean onPreferenceChange(Preference preference, Object newValue) {
                     setupMandatoryBackups(null);
                     return true;
                 }
-            case ENABLE_PRINTING:
-                setPrintingEnabled((Boolean) newValue);
-                reloadEnablePrintingUi();
-                return true;
             case ENABLE_PROCESS_LOGGING:
                 setSecurityLoggingEnabled((Boolean) newValue);
                 reloadEnableProcessLoggingUi();
@@ -1255,17 +1246,6 @@ private void setScreenCaptureDisabled(boolean disabled) {
         mDevicePolicyManager.setScreenCaptureDisabled(mAdminComponentName, disabled);
     }
 
-    @TargetApi(Build.VERSION_CODES.P)
-    private void setPrintingEnabled(boolean enabled) {
-        try {
-            ReflectionUtil.invoke(mDevicePolicyManager, "setPrintingEnabled",
-                    new Class<?>[] {ComponentName.class, boolean.class},
-                    mAdminComponentName, enabled);
-        } catch (ReflectionUtil.ReflectionIsTemporaryException e) {
-            Log.e(TAG, "Failed to invoke DevicePolicyManager.setPrintingEnabled", e);
-        }
-    }
-
     @TargetApi(Build.VERSION_CODES.O)
     private boolean isNetworkLoggingEnabled() {
         return mDevicePolicyManager.isNetworkLoggingEnabled(mAdminComponentName);
@@ -2230,16 +2210,6 @@ private void reloadMandatoryBackupsUi() {
         }
     }
 
-    @TargetApi(Build.VERSION_CODES.P)
-    private void reloadEnablePrintingUi() {
-        try {
-            mEnablePrintingPreference.setChecked(
-                    (Boolean) ReflectionUtil.invoke(mDevicePolicyManager, "isPrintingEnabled"));
-        } catch (ReflectionUtil.ReflectionIsTemporaryException e) {
-            Log.e(TAG, "Failed to retrieve printing policies from DevicePolicyManager", e);
-        }
-    }
-
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     private void reloadScreenCaptureDisableUi() {
         boolean isScreenCaptureDisabled = mDevicePolicyManager.getScreenCaptureDisabled(

app/src/main/java/com/afwsamples/testdpc/policy/UserRestriction.java

@@ -52,6 +52,7 @@ public class UserRestriction {
     // TODO: remove it once available in SDK
     public static final String DISALLOW_UNIFIED_PASSWORD = "no_unified_password";
     public static final String DISALLOW_CONFIG_LOCATION = "no_config_location";
+    public static final String DISALLOW_PRINTING= "no_printing";
 
     public String key;
     public int titleResId;
@@ -198,6 +199,9 @@ public UserRestriction(String key, int titleResId) {
             new UserRestriction(
                     DISALLOW_SHARE_INTO_MANAGED_PROFILE,
                     R.string.disallow_share_into_work_profile),
+            new UserRestriction(
+                    DISALLOW_PRINTING,
+                    R.string.disallow_printing),
     };
 
     /**
@@ -292,5 +296,6 @@ public UserRestriction(String key, int titleResId) {
             DISALLOW_CONFIG_SCREEN_TIMEOUT,
             DISALLOW_AMBIENT_DISPLAY,
             DISALLOW_SHARE_INTO_MANAGED_PROFILE,
+            DISALLOW_PRINTING,
     };
 }

app/src/main/res/values/strings.xml

@@ -139,10 +139,6 @@
     <string name="set_persistent_device_owner_label">Set</string>
     <string name="clear_persistent_device_owner_label">Clear</string>
 
-    <!-- Strings for printing settings -->
-    <string name="printing_settings">Printing settings</string>
-    <string name="printing_enabled">Printing enabled</string>
-
     <!-- Strings for device reboot -->
     <string name="reboot">Reboot device</string>
     <string name="reboot_error_msg">Cannot reboot device during an ongoing call.</string>
@@ -430,6 +426,7 @@
     <string name="disallow_config_screen_timeout">Disallow config screen timeout</string>
     <string name="disallow_ambient_display">Disallow ambient display</string>
     <string name="disallow_share_into_work_profile">Disallow sharing data into the profile</string>
+    <string name="disallow_printing">Disallow printing</string>
     <string name="user_restriction_error_msg">Operation not allowed</string>
 
     <!-- Strings for select app -->

app/src/main/res/xml/device_policy_header.xml

@@ -628,14 +628,6 @@
             testdpc:minSdkVersion="O_MR1" />
     </PreferenceCategory>
 
-    <PreferenceCategory android:title="@string/printing_settings">
-        <com.afwsamples.testdpc.common.preference.DpcSwitchPreference
-            android:key="enable_printing"
-            android:title="@string/printing_enabled"
-            testdpc:admin="deviceOwner|profileOwner"
-            testdpc:minSdkVersion="P" />
-    </PreferenceCategory>
-
     <PreferenceCategory android:title="@string/transfer_ownership">
         <com.afwsamples.testdpc.common.preference.DpcPreference
             android:key="transfer_ownership_to_component"