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Ability to set password requirements
Bug: 26224891 Change-Id: Ie273fcc7d556c03d13d20558ad9fc6a1c1a103b9
1 parent 2b27d62 commit 5379b25

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

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@@ -71,6 +71,7 @@
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import com.afwsamples.testdpc.policy.blockuninstallation.BlockUninstallationInfoArrayAdapter;
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import com.afwsamples.testdpc.policy.certificate.DelegatedCertInstallerFragment;
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import com.afwsamples.testdpc.policy.datausage.NetworkUsageStatsFragment;
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import com.afwsamples.testdpc.policy.keyguard.PasswordConstraintsFragment;
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import com.afwsamples.testdpc.policy.locktask.KioskModeActivity;
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import com.afwsamples.testdpc.policy.locktask.LockTaskAppInfoArrayAdapter;
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import com.afwsamples.testdpc.policy.systemupdatepolicy.SystemUpdatePolicyFragment;
@@ -216,6 +217,7 @@ public class PolicyManagementFragment extends PreferenceFragment implements
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private static final String MANAGED_PROFILE_SPECIFIC_POLICIES_KEY = "managed_profile_policies";
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private static final String MANAGE_LOCK_TASK_LIST_KEY = "manage_lock_task";
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private static final String NETWORK_STATS_KEY = "network_stats";
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private static final String PASSWORD_CONSTRAINTS_KEY = "password_constraints";
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private static final String REENABLE_KEYGUARD = "reenable_keyguard";
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private static final String REENABLE_STATUS_BAR = "reenable_status_bar";
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private static final String REMOVE_ALL_CERTIFICATES_KEY = "remove_all_ca_certificates";
@@ -358,6 +360,7 @@ public void onCreate(Bundle savedInstanceState) {
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mDisableScreenCaptureSwitchPreference = (SwitchPreference) findPreference(
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DISABLE_SCREEN_CAPTURE_KEY);
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mDisableScreenCaptureSwitchPreference.setOnPreferenceChangeListener(this);
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findPreference(PASSWORD_CONSTRAINTS_KEY).setOnPreferenceClickListener(this);
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findPreference(SYSTEM_UPDATE_POLICY_KEY).setOnPreferenceClickListener(this);
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findPreference(NETWORK_STATS_KEY).setOnPreferenceClickListener(this);
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findPreference(DELEGATED_CERT_INSTALLER_KEY).setOnPreferenceClickListener(this);
@@ -537,6 +540,9 @@ public void onPositiveButtonClicked(String[] lockTaskArray) {
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case MANAGED_PROFILE_SPECIFIC_POLICIES_KEY:
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showFragment(new ProfilePolicyManagementFragment());
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return true;
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case PASSWORD_CONSTRAINTS_KEY:
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showFragment(new PasswordConstraintsFragment());
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return true;
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case SYSTEM_UPDATE_POLICY_KEY:
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showFragment(new SystemUpdatePolicyFragment());
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return true;

‎app/src/main/java/com/afwsamples/testdpc/policy/keyguard/PasswordConstraintsFragment.java‎

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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.afwsamples.testdpc.policy.keyguard;
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import android.app.Fragment;
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import android.app.admin.DevicePolicyManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.os.Bundle;
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import android.text.Editable;
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import android.text.TextUtils;
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import android.text.TextWatcher;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.RadioButton;
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import android.widget.RadioGroup;
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import android.widget.Toast;
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import com.afwsamples.testdpc.DeviceAdminReceiver;
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import com.afwsamples.testdpc.R;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* This fragment provides functionalities to set password constraint policies as a profile
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* or device owner.
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*
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* <p>These include:
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* <ul>
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* <li>{@link DevicePolicyManager#setPasswordMinimumLength(ComponentName, String)}</li>
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* <li>{@link DevicePolicyManager#setPasswordMinimumLetters(ComponentName, String)}</li>
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* <li>{@link DevicePolicyManager#setPasswordMinimumNumeric(ComponentName, String)}</li>
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* <li>{@link DevicePolicyManager#setPasswordMinimumLowerCase(ComponentName, String)}</li>
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* <li>{@link DevicePolicyManager#setPasswordMinimumUpperCase(ComponentName, String)}</li>
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* <li>{@link DevicePolicyManager#setPasswordMinimumSymbols(ComponentName, String)}</li>
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* <li>{@link DevicePolicyManager#setPasswordMinimumNonLetter(ComponentName, String)}</li>
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* </ul>
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*/
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public final class PasswordConstraintsFragment extends Fragment implements
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RadioGroup.OnCheckedChangeListener, TextWatcher {
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private static final Map<Integer, Integer> PASSWORD_QUALITIES = new LinkedHashMap<>(7);
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static {
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// IDs of settings for {@link DevicePolicyManager#setPasswordQuality(ComponentName, int)}.
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final int[] policyIds = new int[] {
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DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED,
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DevicePolicyManager.PASSWORD_QUALITY_SOMETHING,
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DevicePolicyManager.PASSWORD_QUALITY_NUMERIC,
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DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX,
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DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC,
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DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC,
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DevicePolicyManager.PASSWORD_QUALITY_COMPLEX
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};
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// Strings to show for each password quality setting.
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final int[] policyNames = new int[] {
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R.string.password_quality_unspecified,
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R.string.password_quality_something,
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R.string.password_quality_numeric,
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R.string.password_quality_numeric_complex,
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R.string.password_quality_alphabetic,
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R.string.password_quality_alphanumeric,
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R.string.password_quality_complex
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};
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if (policyIds.length != policyNames.length) {
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throw new AssertionError("Number of items in policyIds and policyNames do not match");
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}
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for (int i = 0; i < policyIds.length; i++) {
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PASSWORD_QUALITIES.put(policyIds[i], policyNames[i]);
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}
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};
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// Radio list of all complexity settings, as defined above.
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private RadioGroup mQualityGroup;
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// Individual minimum password attribute requirements.
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private EditText mMinLength;
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private EditText mMinLetters;
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private EditText mMinNumeric;
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private EditText mMinLowerCase;
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private EditText mMinUpperCase;
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private EditText mMinSymbols;
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private EditText mMinNonLetter;
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private DevicePolicyManager mDpm;
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private ComponentName mAdminComponent;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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getActivity().getActionBar().setTitle(R.string.password_constraints);
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mDpm = (DevicePolicyManager) getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
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mAdminComponent = DeviceAdminReceiver.getComponentName(getActivity());
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}
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@Override
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public View onCreateView(LayoutInflater layoutInflater, ViewGroup container,
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Bundle savedInstanceState) {
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final View root = layoutInflater.inflate(R.layout.password_quality, null);
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// Create numeric text fields
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mMinLength = findAndPrepareField(root, R.id.password_min_length);
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mMinLetters = findAndPrepareField(root, R.id.password_min_letters);
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mMinNumeric = findAndPrepareField(root, R.id.password_min_numeric);
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mMinLowerCase = findAndPrepareField(root, R.id.password_min_lowercase);
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mMinUpperCase = findAndPrepareField(root, R.id.password_min_uppercase);
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mMinSymbols = findAndPrepareField(root, R.id.password_min_symbols);
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mMinNonLetter = findAndPrepareField(root, R.id.password_min_nonletter);
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// Create radio group for password quality
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mQualityGroup = (RadioGroup) root.findViewById(R.id.password_quality);
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for (Map.Entry<Integer, Integer> entry : PASSWORD_QUALITIES.entrySet()) {
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final RadioButton choice = new RadioButton(getContext());
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choice.setId(entry.getKey());
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choice.setText(entry.getValue());
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mQualityGroup.addView(choice);
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}
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mQualityGroup.setOnCheckedChangeListener(this);
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return root;
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}
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@Override
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public void onResume() {
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super.onResume();
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// Set the password quality radio group to show the requirement, if there is one.
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mQualityGroup.check(mDpm.getPasswordQuality(mAdminComponent));
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// Update all of our minimum requirement fields via getPasswordMinimum(.*)
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mMinLength.setText(Integer.toString(mDpm.getPasswordMinimumLength(mAdminComponent)));
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mMinLetters.setText(Integer.toString(mDpm.getPasswordMinimumLetters(mAdminComponent)));
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mMinNumeric.setText(Integer.toString(mDpm.getPasswordMinimumNumeric(mAdminComponent)));
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mMinLowerCase.setText(Integer.toString(mDpm.getPasswordMinimumLowerCase(mAdminComponent)));
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mMinUpperCase.setText(Integer.toString(mDpm.getPasswordMinimumUpperCase(mAdminComponent)));
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mMinSymbols.setText(Integer.toString(mDpm.getPasswordMinimumSymbols(mAdminComponent)));
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mMinNonLetter.setText(Integer.toString(mDpm.getPasswordMinimumNonLetter(mAdminComponent)));
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}
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@Override
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public void onCheckedChanged(RadioGroup view, int checkedId) {
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if (view == mQualityGroup) {
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mDpm.setPasswordQuality(mAdminComponent, checkedId);
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}
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}
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@Override
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public void afterTextChanged(Editable editable) {
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if (TextUtils.isEmpty(editable.toString())) {
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return;
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}
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final int value;
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try {
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value = Integer.parseInt(editable.toString());
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} catch (NumberFormatException e) {
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Toast.makeText(getActivity(), R.string.not_valid_input, Toast.LENGTH_SHORT).show();
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return;
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}
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if (editable == mMinLength.getEditableText()) {
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mDpm.setPasswordMinimumLength(mAdminComponent, value);
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} else if (editable == mMinLetters.getEditableText()) {
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mDpm.setPasswordMinimumLetters(mAdminComponent, value);
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} else if (editable == mMinNumeric.getEditableText()) {
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mDpm.setPasswordMinimumNumeric(mAdminComponent, value);
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} else if (editable == mMinLowerCase.getEditableText()) {
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mDpm.setPasswordMinimumLowerCase(mAdminComponent, value);
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} else if (editable == mMinUpperCase.getEditableText()) {
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mDpm.setPasswordMinimumUpperCase(mAdminComponent, value);
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} else if (editable == mMinSymbols.getEditableText()) {
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mDpm.setPasswordMinimumSymbols(mAdminComponent, value);
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} else if (editable == mMinNonLetter.getEditableText()) {
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mDpm.setPasswordMinimumNonLetter(mAdminComponent, value);
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}
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}
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int count, int after) {
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}
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private EditText findAndPrepareField(View root, final int id) {
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EditText field = (EditText) root.findViewById(id);
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field.addTextChangedListener(this);
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return field;
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}
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}

‎app/src/main/res/layout/password_quality.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2016 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<LinearLayout style="@style/password_screen">
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<!-- Password quality -->
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical">
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<TextView
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android:text="@string/minimum_password_quality"
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style="@style/password_item_label"/>
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<!-- Radio items to be inserted by PasswordConstraintsFragment -->
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<RadioGroup
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android:id="@+id/password_quality"
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style="@style/radio_group"/>
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</LinearLayout>
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<TableLayout
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android:layout_width="fill_parent"
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android:layout_height="wrap_content"
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android:shrinkColumns="0">
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<!-- Minimum password length -->
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<TableRow>
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<TextView
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android:text="@string/password_min_length"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_length"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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<!-- Minimum number of letters -->
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<TableRow>
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<TextView
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android:text="@string/password_min_letters"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_letters"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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<!-- Minimum number of digits -->
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<TableRow>
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<TextView
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android:text="@string/password_min_numeric"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_numeric"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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<!-- Minimum number of lowercase chars -->
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<TableRow>
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<TextView
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android:text="@string/password_min_lowercase"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_lowercase"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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<!-- Minimum number of uppercase chars -->
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<TableRow>
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<TextView
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android:text="@string/password_min_uppercase"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_uppercase"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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<!-- Minimum symbols -->
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<TableRow>
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<TextView
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android:text="@string/password_min_symbols"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_symbols"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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<!-- Minimum non-letter characters -->
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<TableRow>
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<TextView
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android:text="@string/password_min_nonletter"
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style="@style/password_item_label"/>
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<EditText
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android:id="@+id/password_min_nonletter"
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style="@style/password_item_content_numeric"/>
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</TableRow>
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</TableLayout>
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</LinearLayout>
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</ScrollView>

‎app/src/main/res/values/dimens.xml‎

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<!-- Dimens used for edit text in alertdialog. -->
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<dimen name="edit_text_margin_top_bottom">8dp</dimen>
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<dimen name="edit_text_margin_left_right">24dp</dimen>
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<!-- Dimens used for showing some content inset below a description. -->
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<dimen name="inset_padding">16dp</dimen>
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<!-- Spacing between an EditText and its TextView label. -->
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<dimen name="label_edittext_padding">8dp</dimen>
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</resources>

‎app/src/main/res/values/strings.xml‎

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<string name="maximum_password_fails">Max password failures for local wipe</string>
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<string name="not_valid_input">Failed to update: Not a valid input</string>
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<!-- Strings for password policies -->
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<string name="password_constraints">Password constraints</string>
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<string name="minimum_password_quality">Minimum password quality:</string>
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<string name="password_quality_unspecified">Unspecified</string>
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<string name="password_quality_something">Something</string>
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<string name="password_quality_numeric">Numeric</string>
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<string name="password_quality_numeric_complex">Numeric (Complex)</string>
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<string name="password_quality_alphabetic">Alphabetic</string>
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<string name="password_quality_alphanumeric">Alphanumeric</string>
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<string name="password_quality_complex">Complex</string>
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<string name="password_min_length">Minimum password length:</string>
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<string name="password_min_letters">Minimum number of letters:</string>
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<string name="password_min_numeric">Minimum number of digits:</string>
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<string name="password_min_lowercase">Minimum number of lower-case characters:</string>
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<string name="password_min_uppercase">Minimum number of upper-case characters:</string>
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<string name="password_min_symbols">Minimum number of symbols:</string>
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<string name="password_min_nonletter">Minimum number of non-letters:</string>
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<!-- Strings for managing Settings -->
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<string name="settings_management_title">Settings management</string>
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<string name="stay_on_while_plugged_in">Keep the device on while plugged in</string>

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