从字符串setImageResource [英] setImageResource from a string
本文介绍了从字符串setImageResource的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想根据我的字符串来改变ImageView的SRC,我有这样的事情:
ImageView的imageView1 =(ImageView的)findViewById(R.id.imageView1);
字符串correctAnswer =波兰;
字符串无论= R.drawable + correctAnswer;
imageView1.setImageResource(无论);
当然,它不工作。我怎样才能改变图像编程?
解决方案
公共静态INT getImageId(上下文的背景下,字符串imageName){
返回context.getResources()则getIdentifier(绘制/+ imageName,空,context.getPackageName())。
}
使用:
imageView1.setImageResource(getImageId(这一点,correctAnswer);
I would like to change the imageview src based on my string, I have something like this:
ImageView imageView1 = (ImageView)findViewById(R.id.imageView1);
String correctAnswer = "poland";
String whatEver = R.drawable+correctAnswer;
imageView1.setImageResource(whatEver);
Of course it doesnt work. How can I change the image programmatically?
解决方案
public static int getImageId(Context context, String imageName) {
return context.getResources().getIdentifier("drawable/" + imageName, null, context.getPackageName());
}
use:
imageView1.setImageResource(getImageId(this, correctAnswer);
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