时间:2022-06-15 10:21:22 | 栏目:Android代码 | 点击:次
听说腾讯的mmkv很牛皮,可以替代SharedPreferences,主要用来保存设置,比如串口号、波特率、摄像头预览角度等等,来试一下哈O(∩_∩)O哈哈~
implementation 'com.tencent:mmkv-static:1.0.23'
import android.content.Context;
import com.tencent.mmkv.MMKV;
public class SharedPreferencesManager {
private static MMKV kv;
public static void init(Context context) {
String rootDir = MMKV.initialize(context);
System.out.println("mmkv root: " + rootDir);
kv = MMKV.defaultMMKV();
}
public static void putBoolean(String key, boolean value) {
kv.encode(key, value);
}
public static Boolean getBoolean(String key) {
return kv.decodeBool(key, false);
}
public static Boolean getBoolean(String key, boolean defValue) {
return kv.decodeBool(key, defValue);
}
public static void putInteger(String key, int value) {
kv.encode(key, value);
}
public static int getInteger(String key) {
return kv.decodeInt(key, 1);
}
public static int getInteger(String key, int defValue) {
return kv.decodeInt(key, defValue);
}
public static void putString(String key, String value) {
kv.encode(key, value);
}
public static String getString(String key) {
return kv.decodeString(key, "");
}
public static String getString(String key, String defaultValue) {
return kv.decodeString(key, defaultValue);
}
}
public class XXApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
/*初始化SharedPreferences*/
SharedPreferencesManager.init(this);
}
}
String mcuPath = SharedPreferencesManager.getString(Constants.SP_KEY_COM_MCU, Constants.DEFAULT_COM_MCU);
SharedPreferencesManager.putString(Constants.SP_KEY_COM_MCU, mcuPath);