如何比较保存到共享首选项中的 Int 值

Question

我正在尝试创建关卡评论并在关卡图像旁边显示完成后的关卡评级。我的代码已准备就绪，并在关卡完成后显示评级我将分值保存到共享首选项中并检查值这是代码

// adding value to cookies from First Activity 
Editor editor = sharedpreferences.edit(); editor.putInt("level1_rating",AllGlobalVariables.level_score ); editor.putInt("level2_rating",AllGlobalVariables.level2_score );
editor.commit(); 

// calling function in Second Activity
rating(AllGlobalVariables.level1); 


//------ function defination --------//

private void rating(String l) {
 // TODO Auto-generated method stub
  
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);

  int left = 15;
  int top = 65;
  int right=0;
  int bottom=0;
  lp.setMargins(left, top, right, bottom);
if(l.equals("1")){
if (sharedpreferences.contains("level1_rating"))
  {
if(AllGlobalVariables.level_score <= 50){
   
Bitmap goodbmp = BitmapFactory.decodeResource(getResources(), R.drawable.fail);
String goodimagecode = BitMapToStringgood(goodbmp);
Bitmap goods = StringToBitMapgoods(goodimagecode);
Drawable verticalImage = new BitmapDrawable(getResources(), goods);
AllGlobalVariables.Rimagel1 = (ImageView) findViewById(R.id.imageView6); AllGlobalVariables.Rimagel1.setImageDrawable(verticalImage);
       }
}
}
}

但问题是：我能够从键中获取值，但无法比较共享偏好键中的值以显示评级。请告知如何比较键

的值

或者有什么其他想法可以做这个工作，不胜感激

感谢

Answer 1

SharedPreferences.contains return true 如果偏好包含偏好，否则 false .

使用SharedPreferences.getInt获取整数值，然后与其他值进行比较：

if (sharedpreferences.contains("level1_rating"))
{
   int level1_ratingValue=sharedpreferences.getInt("level1_rating",0);;
    if(level1_ratingValue==70){
      // do work if condition true
    }else{
      // do work if condition false
    }
}

如何比较保存到共享首选项中的 Int 值

How to compare Int value that is saved into shared preference

android

sharedpreferences