【工具类】Android数据存储sharedpreferences加密

import java.util.List;
import java.util.Map;
import android.content.Context;
import android.content.SharedPreferences;

/**
* 存储配置信息的工具类 <br>
* 注：可读取的数据类型有-<code>boolean、int、float、long、String.</code>
*/
public class SharePreferenceUtil {
private final String MAK = "innoview";
private final int MODE = Context.MODE_WORLD_READABLE + Context.MODE_WORLD_WRITEABLE;
private final SharedPreferences sharedpreferences;

public SharePreferenceUtil(Context context, String fileName) {
sharedpreferences = context.getSharedPreferences(fileName, MODE);
}

public boolean saveSharedPreferences(String key, String value) {
SharedPreferences.Editor editor = sharedpreferences.edit();
try {
editor.putString(key, AESEncryptor.encrypt(MAK, value));
} catch (Exception e) {
editor.putString(key, value);
e.printStackTrace();
}
return editor.commit();
}

public String loadStringSharedPreference(String key) {
String str = null;
try {
str = sharedpreferences.getString(key, null);
if (str != null && !"".equals(str)){
str = AESEncryptor.decrypt(MAK, str);
}
} catch (Exception e) {
e.printStackTrace();
}
return str;
}

public boolean saveSharedPreferences(String key, int value) {
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putInt(key, value);
return editor.commit();
}

public int loadIntSharedPreference(String key) {
return sharedpreferences.getInt(key, 0);
}

public boolean saveSharedPreferences(String key, float value) {
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putFloat(key, value);
return editor.commit();
}

public float loadFloatSharedPreference(String key) {
return sharedpreferences.getFloat(key, 0f);
}

public boolean saveSharedPreferences(String key, Long value) {
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putLong(key, value);
return editor.commit();
}

public long loadLongSharedPreference(String key) {
return sharedpreferences.getLong(key, 0l);
}

public boolean saveSharedPreferences(String key, Boolean value) {
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putBoolean(key, value);
return editor.commit();
}

public boolean loadBooleanSharedPreference(String key) {
return sharedpreferences.getBoolean(key, false);
}

public boolean saveAllSharePreference(String keyName, List<?> list) {
int size = list.size();
if (size < 1) {
return false;
}
SharedPreferences.Editor editor = sharedpreferences.edit();
if (list.get(0) instanceof String) {
for (int i = 0; i < size; i++) {
editor.putString(keyName + i, (String) list.get(i));
}
} else if (list.get(0) instanceof Long) {
for (int i = 0; i < size; i++) {
editor.putLong(keyName + i, (Long) list.get(i));
}
} else if (list.get(0) instanceof Float) {
for (int i = 0; i < size; i++) {
editor.putFloat(keyName + i, (Float) list.get(i));
}
} else if (list.get(0) instanceof Integer) {
for (int i = 0; i < size; i++) {
editor.putLong(keyName + i, (Integer) list.get(i));
}
} else if (list.get(0) instanceof Boolean) {
for (int i = 0; i < size; i++) {
editor.putBoolean(keyName + i, (Boolean) list.get(i));
}
}
return editor.commit();
}

public Map<String, ?> loadAllSharePreference(String key) {
return sharedpreferences.getAll();
}

public boolean removeKey(String key) {
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.remove(key);
return editor.commit();
}

public boolean removeAllKey() {
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.clear();
return editor.commit();
}
}