Because sometimes we would like to encrypt SharedPreferences' data.
From SharedPreferences documented example:
public class Calc extends Activity {
public static final String PREFS_NAME = "MyPrefsFile";
@Override
protected void onCreate(Bundle state){
super.onCreate(state);
. . .
// Restore preferences
SecureSharedPreferences settings = new SecureSharedPreferences(this);
boolean silent = settings.getBoolean("silentMode", false);
setSilent(silent);
}
@Override
protected void onStop(){
super.onStop();
// We need an Editor object to make preference changes.
// All objects are from android.context.Context
SecureSharedPreferences settings = new SecureSharedPreferences(this);
SecureSharedPreferences.Editor editor = settings.edit();
editor.putBoolean("silentMode", mSilentMode);
// Commit the edits!
// editor.commit(); // Autocommit is on by default ;)
}
}All SharedPreferences methods were implemented except for SharedPreferences.getAll(). I'm still working on it.
And new constructors:
public SecureSharedPreferences(Context context);
public SecureSharedPreferences(Context context, String key);
public SecureSharedPreferences(Context context, String key, String secureName);And now, supports:
putSerializable(String key, Serializable object)
getSerializable(String key)You can save an Object (implements Serializable) and retrieve it later. As it uses an bytearray version of the Serialized object, you have to pay attention when you update the object's Class because getSerializable method can return 'null' if you change some Class field.
compile 'com.github.rtoshiro.securesharedpreferences:securesharedpreferences:1.2.0'
repositories {
mavenCentral()
}
For encryption process, it uses Facebook Conceal
It's very simple and functional.
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