我想隐藏二维码的结果...例如:?re=123456789012&rr=我只想显示123456789012并隐藏?re=和&rr我正在阅读,人们说使用Split方法,对吗?
protected void onActivityResult(int requestCode,int resultCode,Intent data){
IntentResult result = IntentIntegrator.parseActivityResult(requestCode,resultCode,data);
if(result != null){
if(result.getContents()==null){
Toast.makeText(this,"cancelled", Toast.LENGTH_LONG).show();
}
else{
resultado.setText(result.getContents());
}
}
else {
super.onActivityResult(requestCode,resultCode,data);
}
}
发布于 2018-06-03 03:14:50
尝试使用子字符串函数:-
function
:-
private String getQR(String content)
{
return content.substring(4,15);
}
function implementation
:-
if(result.getContents()==null){
Toast.makeText(this,"cancelled", Toast.LENGTH_LONG).show();
}
else{
resultado.setText(getQR(result.getContents())); // <- <-
}
https://stackoverflow.com/questions/50658913
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