content: package com.reactnativesimplejsi;
  
  import android.content.SharedPreferences;
  import android.os.Build;
  import android.preference.PreferenceManager;
  import android.util.Log;
  
  import androidx.annotation.NonNull;
  
  import com.facebook.react.bridge.JavaScriptContextHolder;
  import com.facebook.react.bridge.ReactApplicationContext;
  import com.facebook.react.bridge.ReactContextBaseJavaModule;
  import com.facebook.react.module.annotations.ReactModule;
  import com.facebook.react.bridge.ReactMethod;
  
  @ReactModule(name = SimpleJsiModule.NAME)
  public class SimpleJsiModule extends ReactContextBaseJavaModule {
    public static final String NAME = "SimpleJsi";
    private native void nativeInstall(long jsiPtr, String docDir);
  
    public SimpleJsiModule(ReactApplicationContext reactContext) {
      super(reactContext);
    }
  
    @Override
    @NonNull
    public String getName() {
      return NAME;
    }
  
    @ReactMethod(isBlockingSynchronousMethod = true)
    public boolean install() {
      try {
        System.loadLibrary("cpp");
  
        ReactApplicationContext context = getReactApplicationContext();
        nativeInstall(
          context.getJavaScriptContextHolder().get(),
          context.getFilesDir().getAbsolutePath()
        );
        return true;
      } catch (Exception exception) {
        return false;
      }
    }
  
    public String getModel() {
      String manufacturer = Build.MANUFACTURER;
      String model = Build.MODEL;
      if (model.startsWith(manufacturer)) {
        return model;
      } else {
        return manufacturer + " " + model;
      }
    }
  
    public void setItem(final String key, final String value) {
  
      SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this.getReactApplicationContext());
      SharedPreferences.Editor editor = preferences.edit();
      editor.putString(key,value);
      editor.apply();
    }
  
    public String getItem(final String key) {
      SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this.getReactApplicationContext());
      String value = preferences.getString(key, "");
      return value;
    }
  
  }
  