[英]The constructor Intent(FragmentTab1, Class<AlgbraHome>) is undefined
[英]The constructor Intent(DataCountUtilities, Class<DataCountService>) is undefined
尝试使用以下方法在活动和服务之间传递数据时,出现以下错误,我不确定为什么:
DataCountUtility:
public class DataCountUtilities {
//swap the content of a string by switching place
//each pair of consecutive characters
//If string length is odd last character is left in place
public String swappedMdn(Context ctx){
TelephonyManager tm = (TelephonyManager)ctx.getSystemService(Context.TELEPHONY_SERVICE);
//Extract the phone number from the TelephonyManager instance
String mdn = tm.getLine1Number();
//Insure MDN is 10 characters
if (mdn.length() < 10 || mdn == null) mdn ="0000000000";
//Extract last 10 digits of MDN
if (mdn.length() > 10) mdn = mdn.substring(mdn.length() - 10, mdn.length());
char data[] = mdn.toCharArray();
char digit;
for (int index = 0; index < mdn.length() - (mdn.length())%2; index+=2){
digit = data[index];
data[index] = data[index+1];
data[index+1] = digit;
Intent i = new Intent(DataCountUtilities.this, DataCountService.class);
i.putExtra("key", mdn);
startActivity(i);
}
return String.valueOf(data);
}
private void startActivity(Intent i) {
// TODO Auto-generated method stub
}}
Intent
期望将Context
作为第一个参数。
换线
Intent i = new Intent(DataCountUtilities.this, DataCountService.class);
至
Intent i = new Intent(ctx, DataCountService.class);
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.