Warning: file_get_contents(/data/phpspider/zhask/data//catemap/3/android/191.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Java Android SharedReferences和加密SharedReferences_Java_Android_Encryption_Sharedpreferences - Fatal编程技术网

Java Android SharedReferences和加密SharedReferences

Java Android SharedReferences和加密SharedReferences,java,android,encryption,sharedpreferences,Java,Android,Encryption,Sharedpreferences,我已经像这样加密了我的首选项 public void setFile(){ String masterKeyAlias = null; try { masterKeyAlias = MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC); } catch (GeneralSecurityException e) { e.printStackTrac

我已经像这样加密了我的首选项

    public void setFile(){
        String masterKeyAlias = null;
        try {
            masterKeyAlias = MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC);
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            encryptedSharedPreferences = EncryptedSharedPreferences.create(
                    "secret_shared_prefs",
                    masterKeyAlias,
                    this,
                    EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
                    EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
            );
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
我正在设置和获取这样的值

prefEditor.putString(SettingsActivity.KEY_NICKNAME,nickName.getText().toString()).apply();
nickname = encryptedSharedPreferences.getString(SettingsActivity.KEY_NICKNAME, "");

一切正常,但当我打开设置时,它不会在首选项中设置值,因为它使用standart SharedReferences xml文件

因此,主要问题是:如何从加密的SharedReferences而不是SharedReferencesXML文件中设置值