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/* * Copyright 2012 Hai Bison/*from w w w . j a v a 2 s . c o m*/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.haibison.android.lockpattern.util; import android.annotation.TargetApi; import android.content.Context; import android.content.SharedPreferences; import android.os.Build; import android.preference.PreferenceActivity; import android.preference.PreferenceFragment; import android.preference.PreferenceManager; import com.haibison.android.lockpattern.R; /** * All settings for the library. They are stored in {@link SharedPreferences}. * <p/> * For some options, you can set them directly via tag {@code <meta-data>} * inside tag {@code <activity>} in AndroidManifest.xml. Refer to setter methods * for details. Note that the values in the manifest get higher priority than * the ones from this class. * * @author Hai Bison * */ public class Settings { /** * This is singleton class. */ private Settings() { }// Settings /** * Generates global preference filename of this library. * * @return the global preference filename. */ public static final String genPreferenceFilename() { return String.format("%s_%s", Sys.LIB_NAME, Sys.UID); }// genPreferenceFilename() /** * Generates global database filename. the database filename. * * @return the global database filename. */ public static final String genDatabaseFilename(String name) { return String.format("%s_%s_%s", Sys.LIB_NAME, Sys.UID, name); }// genDatabaseFilename() /** * Gets new {@link SharedPreferences} * * @param context * the context. * @return {@link SharedPreferences} */ @TargetApi(Build.VERSION_CODES.HONEYCOMB) public static SharedPreferences p(Context context) { /* * Always use application context. */ return context.getApplicationContext().getSharedPreferences( genPreferenceFilename(), Context.MODE_MULTI_PROCESS); }// p() /** * Setup {@code pm} to use global unique filename and global access mode. * You must use this method if you let the user change preferences via UI * (such as {@link PreferenceActivity}, {@link PreferenceFragment}...). * * @param context * the context. * @param pm * {@link PreferenceManager}. * @since v2.6 beta */ @TargetApi(Build.VERSION_CODES.HONEYCOMB) public static void setupPreferenceManager(Context context, PreferenceManager pm) { pm.setSharedPreferencesMode(Context.MODE_MULTI_PROCESS); pm.setSharedPreferencesName(genPreferenceFilename()); }// setupPreferenceManager() /** * Display preferences. * * @author Hai Bison * */ public static class Display { /** * Name to use for tag {@code <meta-data>} in AndroidManifest.xml. * * @see #setStealthMode(Context, boolean) */ public static final String METADATA_STEALTH_MODE = "stealthMode"; /** * Name to use for tag {@code <meta-data>} in AndroidManifest.xml. * * @see #setMinWiredDots(Context, int) */ public static final String METADATA_MIN_WIRED_DOTS = "minWiredDots"; /** * Name to use for tag {@code <meta-data>} in AndroidManifest.xml. * * @see #setMaxRetries(Context, int) */ public static final String METADATA_MAX_RETRIES = "maxRetries"; /** * Name to use for tag {@code <meta-data>} in AndroidManifest.xml. * * @see #setCaptchaWiredDots(Context, int) */ public static final String METADATA_CAPTCHA_WIRED_DOTS = "captchaWiredDots"; /** * This is singleton class. */ private Display() { }// Display /** * Checks if the library is using stealth mode or not. * * @param context * the context. * @return {@code true} or {@code false}. Default is {@code false}. */ public static boolean isStealthMode(Context context) { return p(context) .getBoolean( context.getString(R.string.alp_42447968_pkey_display_stealth_mode), context.getResources() .getBoolean( R.bool.alp_42447968_pkey_display_stealth_mode_default)); }// isStealthMode() /** * Sets stealth mode. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_STEALTH_MODE}. * * @param context * the context. * @param v * the value. */ public static void setStealthMode(Context context, boolean v) { p(context) .edit() .putBoolean( context.getString(R.string.alp_42447968_pkey_display_stealth_mode), v).commit(); }// setStealthMode() /** * Gets minimum wired dots allowed for a pattern. * * @param context * the context. * @return the minimum wired dots allowed for a pattern. Default is * {@code 4}. */ public static int getMinWiredDots(Context context) { return p(context) .getInt(context .getString(R.string.alp_42447968_pkey_display_min_wired_dots), context.getResources() .getInteger( R.integer.alp_42447968_pkey_display_min_wired_dots_default)); }// getMinWiredDots() /** * Validates min wired dots. * * @param context * the context. * @param v * the input value. * @return the correct value. */ public static int validateMinWiredDots(Context context, int v) { if (v <= 0 || v > 9) v = context .getResources() .getInteger( R.integer.alp_42447968_pkey_display_min_wired_dots_default); return v; }// validateMinWiredDots() /** * Sets minimum wired dots allowed for a pattern. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_MIN_WIRED_DOTS}. * * @param context * the context. * @param v * the minimum wired dots allowed for a pattern. */ public static void setMinWiredDots(Context context, int v) { v = validateMinWiredDots(context, v); p(context) .edit() .putInt(context .getString(R.string.alp_42447968_pkey_display_min_wired_dots), v).commit(); }// setMinWiredDots() /** * Gets max retries allowed in mode comparing pattern. * * @param context * the context. * @return the max retries allowed in mode comparing pattern. Default is * {@code 5}. */ public static int getMaxRetries(Context context) { return p(context) .getInt(context .getString(R.string.alp_42447968_pkey_display_max_retries), context.getResources() .getInteger( R.integer.alp_42447968_pkey_display_max_retries_default)); }// getMaxRetries() /** * Validates max retries. * * @param context * the context. * @param v * the input value. * @return the correct value. */ public static int validateMaxRetries(Context context, int v) { if (v <= 0) v = context .getResources() .getInteger( R.integer.alp_42447968_pkey_display_max_retries_default); return v; }// validateMaxRetries() /** * Sets max retries allowed in mode comparing pattern. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_MAX_RETRIES}. * * @param context * the context. * @param v * the max retries allowed in mode comparing pattern. */ public static void setMaxRetries(Context context, int v) { v = validateMaxRetries(context, v); p(context) .edit() .putInt(context .getString(R.string.alp_42447968_pkey_display_max_retries), v).commit(); }// setMaxRetries() /** * Gets wired dots for a "CAPTCHA" pattern. * * @param context * the context. * @return the wired dots for a "CAPTCHA" pattern. Default is {@code 4}. */ public static int getCaptchaWiredDots(Context context) { return p(context) .getInt(context .getString(R.string.alp_42447968_pkey_display_captcha_wired_dots), context.getResources() .getInteger( R.integer.alp_42447968_pkey_display_captcha_wired_dots_default)); }// getCaptchaWiredDots() /** * Validates CAPTCHA wired dots. * * @param context * the context. * @param v * the input value. * @return the correct value. */ public static int validateCaptchaWiredDots(Context context, int v) { if (v <= 0 || v > 9) v = context .getResources() .getInteger( R.integer.alp_42447968_pkey_display_captcha_wired_dots_default); return v; }// validateCaptchaWiredDots() /** * Sets wired dots for a "CAPTCHA" pattern. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_CAPTCHA_WIRED_DOTS}. * * @param context * the context. * @param v * the wired dots for a "CAPTCHA" pattern. */ public static void setCaptchaWiredDots(Context context, int v) { v = validateCaptchaWiredDots(context, v); p(context) .edit() .putInt(context .getString(R.string.alp_42447968_pkey_display_captcha_wired_dots), v).commit(); }// setCaptchaWiredDots() }// Display /** * Security preferences. * * @author Hai Bison * */ public static class Security { /** * Name to use for tag {@code <meta-data>} in AndroidManifest.xml. * * @see #setEncrypterClass(Context, char[]) * @see #setEncrypterClass(Context, Class) */ public static final String METADATA_ENCRYPTER_CLASS = "encrypterClass"; /** * Name to use for tag {@code <meta-data>} in AndroidManifest.xml. * * @see #setAutoSavePattern(Context, boolean) */ public static final String METADATA_AUTO_SAVE_PATTERN = "autoSavePattern"; /** * This is singleton class. */ private Security() { }// Security /** * Checks if the library is using auto-save pattern mode. * * @param context * the context. * @return {@code true} or {@code false}. Default is {@code false}. */ public static boolean isAutoSavePattern(Context context) { return p(context) .getBoolean( context.getString(R.string.alp_42447968_pkey_sys_auto_save_pattern), context.getResources() .getBoolean( R.bool.alp_42447968_pkey_sys_auto_save_pattern_default)); }// isAutoSavePattern() /** * Sets auto-save pattern mode. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_AUTO_SAVE_PATTERN}. * * @param context * the context. * @param v * the auto-save mode. */ public static void setAutoSavePattern(Context context, boolean v) { p(context) .edit() .putBoolean( context.getString(R.string.alp_42447968_pkey_sys_auto_save_pattern), v).commit(); if (!v) setPattern(context, null); }// setAutoSavePattern() /** * Gets the pattern. * * @param context * the context. * @return the pattern. Default is {@code null}. */ public static char[] getPattern(Context context) { String pattern = p(context).getString( context.getString(R.string.alp_42447968_pkey_sys_pattern), null); return pattern == null ? null : pattern.toCharArray(); }// getPattern() /** * Sets the pattern. * * @param context * the context. * @param pattern * the pattern, can be {@code null} to reset it. */ public static void setPattern(Context context, char[] pattern) { p(context) .edit() .putString( context.getString(R.string.alp_42447968_pkey_sys_pattern), pattern != null ? new String(pattern) : null) .commit(); }// setPattern() /** * Gets encrypter class. * * @param context * the context. * @return the full name of encrypter class. Default is {@code null}. */ public static char[] getEncrypterClass(Context context) { String clazz = p(context) .getString( context.getString(R.string.alp_42447968_pkey_sys_encrypter_class), null); return clazz == null ? null : clazz.toCharArray(); }// getEncrypterClass() /** * Sets encrypter class. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_ENCRYPTER_CLASS}. * * @param context * the context. * @param clazz * the encrypter class, can be {@code null} if you don't want * to use it. */ public static void setEncrypterClass(Context context, Class<?> clazz) { setEncrypterClass(context, clazz != null ? clazz.getName() .toCharArray() : null); }// setEncrypterClass() /** * Sets encrypter class. * <p/> * You can set this value in AndroidManifest.xml with * {@link #METADATA_ENCRYPTER_CLASS}. * * @param context * the context. * @param clazz * the full name of encrypter class, can be {@code null} if * you don't want to use it. */ public static void setEncrypterClass(Context context, char[] clazz) { p(context) .edit() .putString( context.getString(R.string.alp_42447968_pkey_sys_encrypter_class), clazz != null ? new String(clazz) : null).commit(); }// setEncrypterClass() }// Security }