| /* |
| * Copyright (C) 2010 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 android.app.admin; |
| |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.annotation.SdkConstant; |
| import android.annotation.SdkConstant.SdkConstantType; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.Handler; |
| import android.os.RemoteCallback; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.util.Log; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.Proxy; |
| import java.util.List; |
| |
| /** |
| * Public interface for managing policies enforced on a device. Most clients |
| * of this class must have published a {@link DeviceAdminReceiver} that the user |
| * has currently enabled. |
| * |
| * <div class="special reference"> |
| * <h3>Developer Guides</h3> |
| * <p>For more information about managing policies for device adminstration, read the |
| * <a href="{@docRoot}guide/topics/admin/device-admin.html">Device Administration</a> |
| * developer guide.</p> |
| * </div> |
| */ |
| public class DevicePolicyManager { |
| private static String TAG = "DevicePolicyManager"; |
| |
| private final Context mContext; |
| private final IDevicePolicyManager mService; |
| |
| private DevicePolicyManager(Context context, Handler handler) { |
| mContext = context; |
| mService = IDevicePolicyManager.Stub.asInterface( |
| ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); |
| } |
| |
| /** @hide */ |
| public static DevicePolicyManager create(Context context, Handler handler) { |
| DevicePolicyManager me = new DevicePolicyManager(context, handler); |
| return me.mService != null ? me : null; |
| } |
| |
| /** |
| * Activity action: ask the user to add a new device administrator to the system. |
| * The desired policy is the ComponentName of the policy in the |
| * {@link #EXTRA_DEVICE_ADMIN} extra field. This will invoke a UI to |
| * bring the user through adding the device administrator to the system (or |
| * allowing them to reject it). |
| * |
| * <p>You can optionally include the {@link #EXTRA_ADD_EXPLANATION} |
| * field to provide the user with additional explanation (in addition |
| * to your component's description) about what is being added. |
| * |
| * <p>If your administrator is already active, this will ordinarily return immediately (without |
| * user intervention). However, if your administrator has been updated and is requesting |
| * additional uses-policy flags, the user will be presented with the new list. New policies |
| * will not be available to the updated administrator until the user has accepted the new list. |
| */ |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) |
| public static final String ACTION_ADD_DEVICE_ADMIN |
| = "android.app.action.ADD_DEVICE_ADMIN"; |
| |
| /** |
| * Activity action: send when any policy admin changes a policy. |
| * This is generally used to find out when a new policy is in effect. |
| * |
| * @hide |
| */ |
| public static final String ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED |
| = "android.app.action.DEVICE_POLICY_MANAGER_STATE_CHANGED"; |
| |
| /** |
| * The ComponentName of the administrator component. |
| * |
| * @see #ACTION_ADD_DEVICE_ADMIN |
| */ |
| public static final String EXTRA_DEVICE_ADMIN = "android.app.extra.DEVICE_ADMIN"; |
| |
| /** |
| * An optional CharSequence providing additional explanation for why the |
| * admin is being added. |
| * |
| * @see #ACTION_ADD_DEVICE_ADMIN |
| */ |
| public static final String EXTRA_ADD_EXPLANATION = "android.app.extra.ADD_EXPLANATION"; |
| |
| /** |
| * Activity action: have the user enter a new password. This activity should |
| * be launched after using {@link #setPasswordQuality(ComponentName, int)}, |
| * or {@link #setPasswordMinimumLength(ComponentName, int)} to have the user |
| * enter a new password that meets the current requirements. You can use |
| * {@link #isActivePasswordSufficient()} to determine whether you need to |
| * have the user select a new password in order to meet the current |
| * constraints. Upon being resumed from this activity, you can check the new |
| * password characteristics to see if they are sufficient. |
| */ |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) |
| public static final String ACTION_SET_NEW_PASSWORD |
| = "android.app.action.SET_NEW_PASSWORD"; |
| |
| /** |
| * Return true if the given administrator component is currently |
| * active (enabled) in the system. |
| */ |
| public boolean isAdminActive(ComponentName who) { |
| if (mService != null) { |
| try { |
| return mService.isAdminActive(who, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Return a list of all currently active device administrator's component |
| * names. Note that if there are no administrators than null may be |
| * returned. |
| */ |
| public List<ComponentName> getActiveAdmins() { |
| if (mService != null) { |
| try { |
| return mService.getActiveAdmins(UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Used by package administration code to determine if a package can be stopped |
| * or uninstalled. |
| * @hide |
| */ |
| public boolean packageHasActiveAdmins(String packageName) { |
| if (mService != null) { |
| try { |
| return mService.packageHasActiveAdmins(packageName, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Remove a current administration component. This can only be called |
| * by the application that owns the administration component; if you |
| * try to remove someone else's component, a security exception will be |
| * thrown. |
| */ |
| public void removeActiveAdmin(ComponentName who) { |
| if (mService != null) { |
| try { |
| mService.removeActiveAdmin(who, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Returns true if an administrator has been granted a particular device policy. This can |
| * be used to check if the administrator was activated under an earlier set of policies, |
| * but requires additional policies after an upgrade. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. Must be |
| * an active administrator, or an exception will be thrown. |
| * @param usesPolicy Which uses-policy to check, as defined in {@link DeviceAdminInfo}. |
| */ |
| public boolean hasGrantedPolicy(ComponentName admin, int usesPolicy) { |
| if (mService != null) { |
| try { |
| return mService.hasGrantedPolicy(admin, usesPolicy, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the policy has no requirements |
| * for the password. Note that quality constants are ordered so that higher |
| * values are more restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_UNSPECIFIED = 0; |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the policy allows for low-security biometric |
| * recognition technology. This implies technologies that can recognize the identity of |
| * an individual to about a 3 digit PIN (false detection is less than 1 in 1,000). |
| * Note that quality constants are ordered so that higher values are more restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_BIOMETRIC_WEAK = 0x8000; |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the policy requires some kind |
| * of password, but doesn't care what it is. Note that quality constants |
| * are ordered so that higher values are more restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_SOMETHING = 0x10000; |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the user must have entered a |
| * password containing at least numeric characters. Note that quality |
| * constants are ordered so that higher values are more restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_NUMERIC = 0x20000; |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the user must have entered a |
| * password containing at least alphabetic (or other symbol) characters. |
| * Note that quality constants are ordered so that higher values are more |
| * restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_ALPHABETIC = 0x40000; |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the user must have entered a |
| * password containing at least <em>both></em> numeric <em>and</em> |
| * alphabetic (or other symbol) characters. Note that quality constants are |
| * ordered so that higher values are more restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_ALPHANUMERIC = 0x50000; |
| |
| /** |
| * Constant for {@link #setPasswordQuality}: the user must have entered a |
| * password containing at least a letter, a numerical digit and a special |
| * symbol, by default. With this password quality, passwords can be |
| * restricted to contain various sets of characters, like at least an |
| * uppercase letter, etc. These are specified using various methods, |
| * like {@link #setPasswordMinimumLowerCase(ComponentName, int)}. Note |
| * that quality constants are ordered so that higher values are more |
| * restrictive. |
| */ |
| public static final int PASSWORD_QUALITY_COMPLEX = 0x60000; |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * password restrictions it is imposing. After setting this, the user |
| * will not be able to enter a new password that is not at least as |
| * restrictive as what has been set. Note that the current password |
| * will remain until the user has set a new one, so the change does not |
| * take place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. |
| * |
| * <p>Quality constants are ordered so that higher values are more restrictive; |
| * thus the highest requested quality constant (between the policy set here, |
| * the user's preference, and any other considerations) is the one that |
| * is in effect. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param quality The new desired quality. One of |
| * {@link #PASSWORD_QUALITY_UNSPECIFIED}, {@link #PASSWORD_QUALITY_SOMETHING}, |
| * {@link #PASSWORD_QUALITY_NUMERIC}, {@link #PASSWORD_QUALITY_ALPHABETIC}, |
| * {@link #PASSWORD_QUALITY_ALPHANUMERIC} or {@link #PASSWORD_QUALITY_COMPLEX}. |
| */ |
| public void setPasswordQuality(ComponentName admin, int quality) { |
| if (mService != null) { |
| try { |
| mService.setPasswordQuality(admin, quality, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current minimum password quality for all admins |
| * or a particular one. |
| * @param admin The name of the admin component to check, or null to aggregate |
| * all admins. |
| */ |
| public int getPasswordQuality(ComponentName admin) { |
| return getPasswordQuality(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordQuality(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordQuality(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return PASSWORD_QUALITY_UNSPECIFIED; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum allowed password length. After setting this, the user |
| * will not be able to enter a new password that is not at least as |
| * restrictive as what has been set. Note that the current password |
| * will remain until the user has set a new one, so the change does not |
| * take place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. This |
| * constraint is only imposed if the administrator has also requested either |
| * {@link #PASSWORD_QUALITY_NUMERIC}, {@link #PASSWORD_QUALITY_ALPHABETIC} |
| * {@link #PASSWORD_QUALITY_ALPHANUMERIC}, or {@link #PASSWORD_QUALITY_COMPLEX} |
| * with {@link #setPasswordQuality}. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param length The new desired minimum password length. A value of 0 |
| * means there is no restriction. |
| */ |
| public void setPasswordMinimumLength(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumLength(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current minimum password length for all admins |
| * or a particular one. |
| * @param admin The name of the admin component to check, or null to aggregate |
| * all admins. |
| */ |
| public int getPasswordMinimumLength(ComponentName admin) { |
| return getPasswordMinimumLength(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumLength(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumLength(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum number of upper case letters required in the password. After |
| * setting this, the user will not be able to enter a new password that is |
| * not at least as restrictive as what has been set. Note that the current |
| * password will remain until the user has set a new one, so the change does |
| * not take place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. This |
| * constraint is only imposed if the administrator has also requested |
| * {@link #PASSWORD_QUALITY_COMPLEX} with {@link #setPasswordQuality}. The |
| * default value is 0. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired minimum number of upper case letters |
| * required in the password. A value of 0 means there is no |
| * restriction. |
| */ |
| public void setPasswordMinimumUpperCase(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumUpperCase(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current number of upper case letters required in the |
| * password for all admins or a particular one. This is the same value as |
| * set by {#link {@link #setPasswordMinimumUpperCase(ComponentName, int)} |
| * and only applies when the password quality is |
| * {@link #PASSWORD_QUALITY_COMPLEX}. |
| * |
| * @param admin The name of the admin component to check, or null to |
| * aggregate all admins. |
| * @return The minimum number of upper case letters required in the |
| * password. |
| */ |
| public int getPasswordMinimumUpperCase(ComponentName admin) { |
| return getPasswordMinimumUpperCase(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumUpperCase(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumUpperCase(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum number of lower case letters required in the password. After |
| * setting this, the user will not be able to enter a new password that is |
| * not at least as restrictive as what has been set. Note that the current |
| * password will remain until the user has set a new one, so the change does |
| * not take place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. This |
| * constraint is only imposed if the administrator has also requested |
| * {@link #PASSWORD_QUALITY_COMPLEX} with {@link #setPasswordQuality}. The |
| * default value is 0. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired minimum number of lower case letters |
| * required in the password. A value of 0 means there is no |
| * restriction. |
| */ |
| public void setPasswordMinimumLowerCase(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumLowerCase(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current number of lower case letters required in the |
| * password for all admins or a particular one. This is the same value as |
| * set by {#link {@link #setPasswordMinimumLowerCase(ComponentName, int)} |
| * and only applies when the password quality is |
| * {@link #PASSWORD_QUALITY_COMPLEX}. |
| * |
| * @param admin The name of the admin component to check, or null to |
| * aggregate all admins. |
| * @return The minimum number of lower case letters required in the |
| * password. |
| */ |
| public int getPasswordMinimumLowerCase(ComponentName admin) { |
| return getPasswordMinimumLowerCase(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumLowerCase(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumLowerCase(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum number of letters required in the password. After setting this, |
| * the user will not be able to enter a new password that is not at least as |
| * restrictive as what has been set. Note that the current password will |
| * remain until the user has set a new one, so the change does not take |
| * place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. This |
| * constraint is only imposed if the administrator has also requested |
| * {@link #PASSWORD_QUALITY_COMPLEX} with {@link #setPasswordQuality}. The |
| * default value is 1. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired minimum number of letters required in the |
| * password. A value of 0 means there is no restriction. |
| */ |
| public void setPasswordMinimumLetters(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumLetters(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current number of letters required in the password for all |
| * admins or a particular one. This is the same value as |
| * set by {#link {@link #setPasswordMinimumLetters(ComponentName, int)} |
| * and only applies when the password quality is |
| * {@link #PASSWORD_QUALITY_COMPLEX}. |
| * |
| * @param admin The name of the admin component to check, or null to |
| * aggregate all admins. |
| * @return The minimum number of letters required in the password. |
| */ |
| public int getPasswordMinimumLetters(ComponentName admin) { |
| return getPasswordMinimumLetters(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumLetters(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumLetters(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum number of numerical digits required in the password. After |
| * setting this, the user will not be able to enter a new password that is |
| * not at least as restrictive as what has been set. Note that the current |
| * password will remain until the user has set a new one, so the change does |
| * not take place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. This |
| * constraint is only imposed if the administrator has also requested |
| * {@link #PASSWORD_QUALITY_COMPLEX} with {@link #setPasswordQuality}. The |
| * default value is 1. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired minimum number of numerical digits required |
| * in the password. A value of 0 means there is no restriction. |
| */ |
| public void setPasswordMinimumNumeric(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumNumeric(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current number of numerical digits required in the password |
| * for all admins or a particular one. This is the same value as |
| * set by {#link {@link #setPasswordMinimumNumeric(ComponentName, int)} |
| * and only applies when the password quality is |
| * {@link #PASSWORD_QUALITY_COMPLEX}. |
| * |
| * @param admin The name of the admin component to check, or null to |
| * aggregate all admins. |
| * @return The minimum number of numerical digits required in the password. |
| */ |
| public int getPasswordMinimumNumeric(ComponentName admin) { |
| return getPasswordMinimumNumeric(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumNumeric(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumNumeric(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum number of symbols required in the password. After setting this, |
| * the user will not be able to enter a new password that is not at least as |
| * restrictive as what has been set. Note that the current password will |
| * remain until the user has set a new one, so the change does not take |
| * place immediately. To prompt the user for a new password, use |
| * {@link #ACTION_SET_NEW_PASSWORD} after setting this value. This |
| * constraint is only imposed if the administrator has also requested |
| * {@link #PASSWORD_QUALITY_COMPLEX} with {@link #setPasswordQuality}. The |
| * default value is 1. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired minimum number of symbols required in the |
| * password. A value of 0 means there is no restriction. |
| */ |
| public void setPasswordMinimumSymbols(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumSymbols(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current number of symbols required in the password for all |
| * admins or a particular one. This is the same value as |
| * set by {#link {@link #setPasswordMinimumSymbols(ComponentName, int)} |
| * and only applies when the password quality is |
| * {@link #PASSWORD_QUALITY_COMPLEX}. |
| * |
| * @param admin The name of the admin component to check, or null to |
| * aggregate all admins. |
| * @return The minimum number of symbols required in the password. |
| */ |
| public int getPasswordMinimumSymbols(ComponentName admin) { |
| return getPasswordMinimumSymbols(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumSymbols(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumSymbols(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * minimum number of non-letter characters (numerical digits or symbols) |
| * required in the password. After setting this, the user will not be able |
| * to enter a new password that is not at least as restrictive as what has |
| * been set. Note that the current password will remain until the user has |
| * set a new one, so the change does not take place immediately. To prompt |
| * the user for a new password, use {@link #ACTION_SET_NEW_PASSWORD} after |
| * setting this value. This constraint is only imposed if the administrator |
| * has also requested {@link #PASSWORD_QUALITY_COMPLEX} with |
| * {@link #setPasswordQuality}. The default value is 0. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired minimum number of letters required in the |
| * password. A value of 0 means there is no restriction. |
| */ |
| public void setPasswordMinimumNonLetter(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordMinimumNonLetter(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current number of non-letter characters required in the |
| * password for all admins or a particular one. This is the same value as |
| * set by {#link {@link #setPasswordMinimumNonLetter(ComponentName, int)} |
| * and only applies when the password quality is |
| * {@link #PASSWORD_QUALITY_COMPLEX}. |
| * |
| * @param admin The name of the admin component to check, or null to |
| * aggregate all admins. |
| * @return The minimum number of letters required in the password. |
| */ |
| public int getPasswordMinimumNonLetter(ComponentName admin) { |
| return getPasswordMinimumNonLetter(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordMinimumNonLetter(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordMinimumNonLetter(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the length |
| * of the password history. After setting this, the user will not be able to |
| * enter a new password that is the same as any password in the history. Note |
| * that the current password will remain until the user has set a new one, so |
| * the change does not take place immediately. To prompt the user for a new |
| * password, use {@link #ACTION_SET_NEW_PASSWORD} after setting this value. |
| * This constraint is only imposed if the administrator has also requested |
| * either {@link #PASSWORD_QUALITY_NUMERIC}, |
| * {@link #PASSWORD_QUALITY_ALPHABETIC}, or |
| * {@link #PASSWORD_QUALITY_ALPHANUMERIC} with {@link #setPasswordQuality}. |
| * |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call this |
| * method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param length The new desired length of password history. A value of 0 |
| * means there is no restriction. |
| */ |
| public void setPasswordHistoryLength(ComponentName admin, int length) { |
| if (mService != null) { |
| try { |
| mService.setPasswordHistoryLength(admin, length, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Called by a device admin to set the password expiration timeout. Calling this method |
| * will restart the countdown for password expiration for the given admin, as will changing |
| * the device password (for all admins). |
| * |
| * <p>The provided timeout is the time delta in ms and will be added to the current time. |
| * For example, to have the password expire 5 days from now, timeout would be |
| * 5 * 86400 * 1000 = 432000000 ms for timeout. |
| * |
| * <p>To disable password expiration, a value of 0 may be used for timeout. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_EXPIRE_PASSWORD} to be able to call this |
| * method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param timeout The limit (in ms) that a password can remain in effect. A value of 0 |
| * means there is no restriction (unlimited). |
| */ |
| public void setPasswordExpirationTimeout(ComponentName admin, long timeout) { |
| if (mService != null) { |
| try { |
| mService.setPasswordExpirationTimeout(admin, timeout, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Get the password expiration timeout for the given admin. The expiration timeout is the |
| * recurring expiration timeout provided in the call to |
| * {@link #setPasswordExpirationTimeout(ComponentName, long)} for the given admin or the |
| * aggregate of all policy administrators if admin is null. |
| * |
| * @param admin The name of the admin component to check, or null to aggregate all admins. |
| * @return The timeout for the given admin or the minimum of all timeouts |
| */ |
| public long getPasswordExpirationTimeout(ComponentName admin) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordExpirationTimeout(admin, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Get the current password expiration time for the given admin or an aggregate of |
| * all admins if admin is null. If the password is expired, this will return the time since |
| * the password expired as a negative number. If admin is null, then a composite of all |
| * expiration timeouts is returned - which will be the minimum of all timeouts. |
| * |
| * @param admin The name of the admin component to check, or null to aggregate all admins. |
| * @return The password expiration time, in ms. |
| */ |
| public long getPasswordExpiration(ComponentName admin) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordExpiration(admin, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Retrieve the current password history length for all admins |
| * or a particular one. |
| * @param admin The name of the admin component to check, or null to aggregate |
| * all admins. |
| * @return The length of the password history |
| */ |
| public int getPasswordHistoryLength(ComponentName admin) { |
| return getPasswordHistoryLength(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getPasswordHistoryLength(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getPasswordHistoryLength(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Return the maximum password length that the device supports for a |
| * particular password quality. |
| * @param quality The quality being interrogated. |
| * @return Returns the maximum length that the user can enter. |
| */ |
| public int getPasswordMaximumLength(int quality) { |
| // Kind-of arbitrary. |
| return 16; |
| } |
| |
| /** |
| * Determine whether the current password the user has set is sufficient |
| * to meet the policy requirements (quality, minimum length) that have been |
| * requested. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_LIMIT_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @return Returns true if the password meets the current requirements, |
| * else false. |
| */ |
| public boolean isActivePasswordSufficient() { |
| if (mService != null) { |
| try { |
| return mService.isActivePasswordSufficient(UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Retrieve the number of times the user has failed at entering a |
| * password since that last successful password entry. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_WATCH_LOGIN} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| */ |
| public int getCurrentFailedPasswordAttempts() { |
| if (mService != null) { |
| try { |
| return mService.getCurrentFailedPasswordAttempts(UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Setting this to a value greater than zero enables a built-in policy |
| * that will perform a device wipe after too many incorrect |
| * device-unlock passwords have been entered. This built-in policy combines |
| * watching for failed passwords and wiping the device, and requires |
| * that you request both {@link DeviceAdminInfo#USES_POLICY_WATCH_LOGIN} and |
| * {@link DeviceAdminInfo#USES_POLICY_WIPE_DATA}}. |
| * |
| * <p>To implement any other policy (e.g. wiping data for a particular |
| * application only, erasing or revoking credentials, or reporting the |
| * failure to a server), you should implement |
| * {@link DeviceAdminReceiver#onPasswordFailed(Context, android.content.Intent)} |
| * instead. Do not use this API, because if the maximum count is reached, |
| * the device will be wiped immediately, and your callback will not be invoked. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param num The number of failed password attempts at which point the |
| * device will wipe its data. |
| */ |
| public void setMaximumFailedPasswordsForWipe(ComponentName admin, int num) { |
| if (mService != null) { |
| try { |
| mService.setMaximumFailedPasswordsForWipe(admin, num, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current maximum number of login attempts that are allowed |
| * before the device wipes itself, for all admins |
| * or a particular one. |
| * @param admin The name of the admin component to check, or null to aggregate |
| * all admins. |
| */ |
| public int getMaximumFailedPasswordsForWipe(ComponentName admin) { |
| return getMaximumFailedPasswordsForWipe(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getMaximumFailedPasswordsForWipe(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getMaximumFailedPasswordsForWipe(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Flag for {@link #resetPassword}: don't allow other admins to change |
| * the password again until the user has entered it. |
| */ |
| public static final int RESET_PASSWORD_REQUIRE_ENTRY = 0x0001; |
| |
| /** |
| * Force a new device unlock password (the password needed to access the |
| * entire device, not for individual accounts) on the user. This takes |
| * effect immediately. |
| * The given password must be sufficient for the |
| * current password quality and length constraints as returned by |
| * {@link #getPasswordQuality(ComponentName)} and |
| * {@link #getPasswordMinimumLength(ComponentName)}; if it does not meet |
| * these constraints, then it will be rejected and false returned. Note |
| * that the password may be a stronger quality (containing alphanumeric |
| * characters when the requested quality is only numeric), in which case |
| * the currently active quality will be increased to match. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_RESET_PASSWORD} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param password The new password for the user. |
| * @param flags May be 0 or {@link #RESET_PASSWORD_REQUIRE_ENTRY}. |
| * @return Returns true if the password was applied, or false if it is |
| * not acceptable for the current constraints. |
| */ |
| public boolean resetPassword(String password, int flags) { |
| if (mService != null) { |
| try { |
| return mService.resetPassword(password, flags, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * maximum time for user activity until the device will lock. This limits |
| * the length that the user can set. It takes effect immediately. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_FORCE_LOCK} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param timeMs The new desired maximum time to lock in milliseconds. |
| * A value of 0 means there is no restriction. |
| */ |
| public void setMaximumTimeToLock(ComponentName admin, long timeMs) { |
| if (mService != null) { |
| try { |
| mService.setMaximumTimeToLock(admin, timeMs, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the current maximum time to unlock for all admins |
| * or a particular one. |
| * @param admin The name of the admin component to check, or null to aggregate |
| * all admins. |
| */ |
| public long getMaximumTimeToLock(ComponentName admin) { |
| return getMaximumTimeToLock(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public long getMaximumTimeToLock(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getMaximumTimeToLock(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * Make the device lock immediately, as if the lock screen timeout has |
| * expired at the point of this call. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_FORCE_LOCK} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| */ |
| public void lockNow() { |
| if (mService != null) { |
| try { |
| mService.lockNow(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Flag for {@link #wipeData(int)}: also erase the device's external |
| * storage. |
| */ |
| public static final int WIPE_EXTERNAL_STORAGE = 0x0001; |
| |
| /** |
| * Ask the user date be wiped. This will cause the device to reboot, |
| * erasing all user data while next booting up. External storage such |
| * as SD cards will be also erased if the flag {@link #WIPE_EXTERNAL_STORAGE} |
| * is set. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_WIPE_DATA} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param flags Bit mask of additional options: currently 0 and |
| * {@link #WIPE_EXTERNAL_STORAGE} are supported. |
| */ |
| public void wipeData(int flags) { |
| if (mService != null) { |
| try { |
| mService.wipeData(flags, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Called by an application that is administering the device to set the |
| * global proxy and exclusion list. |
| * <p> |
| * The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_SETS_GLOBAL_PROXY} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * Only the first device admin can set the proxy. If a second admin attempts |
| * to set the proxy, the {@link ComponentName} of the admin originally setting the |
| * proxy will be returned. If successful in setting the proxy, null will |
| * be returned. |
| * The method can be called repeatedly by the device admin alrady setting the |
| * proxy to update the proxy and exclusion list. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated |
| * with. |
| * @param proxySpec the global proxy desired. Must be an HTTP Proxy. |
| * Pass Proxy.NO_PROXY to reset the proxy. |
| * @param exclusionList a list of domains to be excluded from the global proxy. |
| * @return returns null if the proxy was successfully set, or a {@link ComponentName} |
| * of the device admin that sets thew proxy otherwise. |
| * @hide |
| */ |
| public ComponentName setGlobalProxy(ComponentName admin, Proxy proxySpec, |
| List<String> exclusionList ) { |
| if (proxySpec == null) { |
| throw new NullPointerException(); |
| } |
| if (mService != null) { |
| try { |
| String hostSpec; |
| String exclSpec; |
| if (proxySpec.equals(Proxy.NO_PROXY)) { |
| hostSpec = null; |
| exclSpec = null; |
| } else { |
| if (!proxySpec.type().equals(Proxy.Type.HTTP)) { |
| throw new IllegalArgumentException(); |
| } |
| InetSocketAddress sa = (InetSocketAddress)proxySpec.address(); |
| String hostName = sa.getHostName(); |
| int port = sa.getPort(); |
| StringBuilder hostBuilder = new StringBuilder(); |
| hostSpec = hostBuilder.append(hostName) |
| .append(":").append(Integer.toString(port)).toString(); |
| if (exclusionList == null) { |
| exclSpec = ""; |
| } else { |
| StringBuilder listBuilder = new StringBuilder(); |
| boolean firstDomain = true; |
| for (String exclDomain : exclusionList) { |
| if (!firstDomain) { |
| listBuilder = listBuilder.append(","); |
| } else { |
| firstDomain = false; |
| } |
| listBuilder = listBuilder.append(exclDomain.trim()); |
| } |
| exclSpec = listBuilder.toString(); |
| } |
| android.net.Proxy.validate(hostName, Integer.toString(port), exclSpec); |
| } |
| return mService.setGlobalProxy(admin, hostSpec, exclSpec, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the component name setting the global proxy. |
| * @return ComponentName object of the device admin that set the global proxy, or |
| * null if no admin has set the proxy. |
| * @hide |
| */ |
| public ComponentName getGlobalProxyAdmin() { |
| if (mService != null) { |
| try { |
| return mService.getGlobalProxyAdmin(UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Result code for {@link #setStorageEncryption} and {@link #getStorageEncryptionStatus}: |
| * indicating that encryption is not supported. |
| */ |
| public static final int ENCRYPTION_STATUS_UNSUPPORTED = 0; |
| |
| /** |
| * Result code for {@link #setStorageEncryption} and {@link #getStorageEncryptionStatus}: |
| * indicating that encryption is supported, but is not currently active. |
| */ |
| public static final int ENCRYPTION_STATUS_INACTIVE = 1; |
| |
| /** |
| * Result code for {@link #setStorageEncryption} and {@link #getStorageEncryptionStatus}: |
| * indicating that encryption is not currently active, but is currently |
| * being activated. This is only reported by devices that support |
| * encryption of data and only when the storage is currently |
| * undergoing a process of becoming encrypted. A device that must reboot and/or wipe data |
| * to become encrypted will never return this value. |
| */ |
| public static final int ENCRYPTION_STATUS_ACTIVATING = 2; |
| |
| /** |
| * Result code for {@link #setStorageEncryption} and {@link #getStorageEncryptionStatus}: |
| * indicating that encryption is active. |
| */ |
| public static final int ENCRYPTION_STATUS_ACTIVE = 3; |
| |
| /** |
| * Activity action: begin the process of encrypting data on the device. This activity should |
| * be launched after using {@link #setStorageEncryption} to request encryption be activated. |
| * After resuming from this activity, use {@link #getStorageEncryption} |
| * to check encryption status. However, on some devices this activity may never return, as |
| * it may trigger a reboot and in some cases a complete data wipe of the device. |
| */ |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) |
| public static final String ACTION_START_ENCRYPTION |
| = "android.app.action.START_ENCRYPTION"; |
| |
| /** |
| * Widgets are enabled in keyguard |
| */ |
| public static final int KEYGUARD_DISABLE_FEATURES_NONE = 0; |
| |
| /** |
| * Disable all keyguard widgets |
| */ |
| public static final int KEYGUARD_DISABLE_WIDGETS_ALL = 1 << 0; |
| |
| /** |
| * Disable the camera on secure keyguard screens (e.g. PIN/Pattern/Password) |
| */ |
| public static final int KEYGUARD_DISABLE_SECURE_CAMERA = 1 << 1; |
| |
| /** |
| * Disable all current and future keyguard customizations. |
| */ |
| public static final int KEYGUARD_DISABLE_FEATURES_ALL = 0x7fffffff; |
| |
| /** |
| * Called by an application that is administering the device to |
| * request that the storage system be encrypted. |
| * |
| * <p>When multiple device administrators attempt to control device |
| * encryption, the most secure, supported setting will always be |
| * used. If any device administrator requests device encryption, |
| * it will be enabled; Conversely, if a device administrator |
| * attempts to disable device encryption while another |
| * device administrator has enabled it, the call to disable will |
| * fail (most commonly returning {@link #ENCRYPTION_STATUS_ACTIVE}). |
| * |
| * <p>This policy controls encryption of the secure (application data) storage area. Data |
| * written to other storage areas may or may not be encrypted, and this policy does not require |
| * or control the encryption of any other storage areas. |
| * There is one exception: If {@link android.os.Environment#isExternalStorageEmulated()} is |
| * {@code true}, then the directory returned by |
| * {@link android.os.Environment#getExternalStorageDirectory()} must be written to disk |
| * within the encrypted storage area. |
| * |
| * <p>Important Note: On some devices, it is possible to encrypt storage without requiring |
| * the user to create a device PIN or Password. In this case, the storage is encrypted, but |
| * the encryption key may not be fully secured. For maximum security, the administrator should |
| * also require (and check for) a pattern, PIN, or password. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param encrypt true to request encryption, false to release any previous request |
| * @return the new request status (for all active admins) - will be one of |
| * {@link #ENCRYPTION_STATUS_UNSUPPORTED}, {@link #ENCRYPTION_STATUS_INACTIVE}, or |
| * {@link #ENCRYPTION_STATUS_ACTIVE}. This is the value of the requests; Use |
| * {@link #getStorageEncryptionStatus()} to query the actual device state. |
| */ |
| public int setStorageEncryption(ComponentName admin, boolean encrypt) { |
| if (mService != null) { |
| try { |
| return mService.setStorageEncryption(admin, encrypt, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| |
| /** |
| * Called by an application that is administering the device to |
| * determine the requested setting for secure storage. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. If null, |
| * this will return the requested encryption setting as an aggregate of all active |
| * administrators. |
| * @return true if the admin(s) are requesting encryption, false if not. |
| */ |
| public boolean getStorageEncryption(ComponentName admin) { |
| if (mService != null) { |
| try { |
| return mService.getStorageEncryption(admin, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Called by an application that is administering the device to |
| * determine the current encryption status of the device. |
| * |
| * Depending on the returned status code, the caller may proceed in different |
| * ways. If the result is {@link #ENCRYPTION_STATUS_UNSUPPORTED}, the |
| * storage system does not support encryption. If the |
| * result is {@link #ENCRYPTION_STATUS_INACTIVE}, use {@link |
| * #ACTION_START_ENCRYPTION} to begin the process of encrypting or decrypting the |
| * storage. If the result is {@link #ENCRYPTION_STATUS_ACTIVATING} or |
| * {@link #ENCRYPTION_STATUS_ACTIVE}, no further action is required. |
| * |
| * @return current status of encryption. The value will be one of |
| * {@link #ENCRYPTION_STATUS_UNSUPPORTED}, {@link #ENCRYPTION_STATUS_INACTIVE}, |
| * {@link #ENCRYPTION_STATUS_ACTIVATING}, or{@link #ENCRYPTION_STATUS_ACTIVE}. |
| */ |
| public int getStorageEncryptionStatus() { |
| return getStorageEncryptionStatus(UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getStorageEncryptionStatus(int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getStorageEncryptionStatus(userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| |
| /** |
| * Called by an application that is administering the device to disable all cameras |
| * on the device. After setting this, no applications will be able to access any cameras |
| * on the device. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_DISABLE_CAMERA} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param disabled Whether or not the camera should be disabled. |
| */ |
| public void setCameraDisabled(ComponentName admin, boolean disabled) { |
| if (mService != null) { |
| try { |
| mService.setCameraDisabled(admin, disabled, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Determine whether or not the device's cameras have been disabled either by the current |
| * admin, if specified, or all admins. |
| * @param admin The name of the admin component to check, or null to check if any admins |
| * have disabled the camera |
| */ |
| public boolean getCameraDisabled(ComponentName admin) { |
| return getCameraDisabled(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public boolean getCameraDisabled(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getCameraDisabled(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Called by an application that is administering the device to disable keyguard customizations, |
| * such as widgets. After setting this, keyguard features will be disabled according to the |
| * provided feature list. |
| * |
| * <p>The calling device admin must have requested |
| * {@link DeviceAdminInfo#USES_POLICY_DISABLE_KEYGUARD_FEATURES} to be able to call |
| * this method; if it has not, a security exception will be thrown. |
| * |
| * @param admin Which {@link DeviceAdminReceiver} this request is associated with. |
| * @param which {@link #KEYGUARD_DISABLE_FEATURES_NONE} (default), |
| * {@link #KEYGUARD_DISABLE_WIDGETS_ALL}, {@link #KEYGUARD_DISABLE_SECURE_CAMERA}, |
| * {@link #KEYGUARD_DISABLE_FEATURES_ALL} |
| */ |
| public void setKeyguardDisabledFeatures(ComponentName admin, int which) { |
| if (mService != null) { |
| try { |
| mService.setKeyguardDisabledFeatures(admin, which, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Determine whether or not features have been disabled in keyguard either by the current |
| * admin, if specified, or all admins. |
| * @param admin The name of the admin component to check, or null to check if any admins |
| * have disabled features in keyguard. |
| * @return bitfield of flags. See {@link #setKeyguardDisabledFeatures(ComponentName, int)} |
| * for a list. |
| */ |
| public int getKeyguardDisabledFeatures(ComponentName admin) { |
| return getKeyguardDisabledFeatures(admin, UserHandle.myUserId()); |
| } |
| |
| /** @hide per-user version */ |
| public int getKeyguardDisabledFeatures(ComponentName admin, int userHandle) { |
| if (mService != null) { |
| try { |
| return mService.getKeyguardDisabledFeatures(admin, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| return KEYGUARD_DISABLE_FEATURES_NONE; |
| } |
| |
| /** |
| * @hide |
| */ |
| public void setActiveAdmin(ComponentName policyReceiver, boolean refreshing) { |
| if (mService != null) { |
| try { |
| mService.setActiveAdmin(policyReceiver, refreshing, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * Returns the DeviceAdminInfo as defined by the administrator's package info & meta-data |
| * @hide |
| */ |
| public DeviceAdminInfo getAdminInfo(ComponentName cn) { |
| ActivityInfo ai; |
| try { |
| ai = mContext.getPackageManager().getReceiverInfo(cn, |
| PackageManager.GET_META_DATA); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.w(TAG, "Unable to retrieve device policy " + cn, e); |
| return null; |
| } |
| |
| ResolveInfo ri = new ResolveInfo(); |
| ri.activityInfo = ai; |
| |
| try { |
| return new DeviceAdminInfo(mContext, ri); |
| } catch (XmlPullParserException e) { |
| Log.w(TAG, "Unable to parse device policy " + cn, e); |
| return null; |
| } catch (IOException e) { |
| Log.w(TAG, "Unable to parse device policy " + cn, e); |
| return null; |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void getRemoveWarning(ComponentName admin, RemoteCallback result) { |
| if (mService != null) { |
| try { |
| mService.getRemoveWarning(admin, result, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void setActivePasswordState(int quality, int length, int letters, int uppercase, |
| int lowercase, int numbers, int symbols, int nonletter, int userHandle) { |
| if (mService != null) { |
| try { |
| mService.setActivePasswordState(quality, length, letters, uppercase, lowercase, |
| numbers, symbols, nonletter, userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void reportFailedPasswordAttempt(int userHandle) { |
| if (mService != null) { |
| try { |
| mService.reportFailedPasswordAttempt(userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void reportSuccessfulPasswordAttempt(int userHandle) { |
| if (mService != null) { |
| try { |
| mService.reportSuccessfulPasswordAttempt(userHandle); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed talking with device policy service", e); |
| } |
| } |
| } |
| } |
