[英]Get EditText value in AsyncTask inside fragment
我有一个片段,其中包含用户地址的EditText字段。 我正在尝试通过AsyncTask将它们发送到我的Web服务器,但还没有弄清楚如何获取这些值。 它工作正常,没有碎片。 我试图删除所有不必要的代码。 谢谢。
public class FragmentProfileMain extends Fragment implements OnClickListener {
EditText email2, email3, mail1, mail2, cityET, stateET, zipET;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
view = inflater.inflate(R.layout.profile_fragment_main, container,
false);
email1 = (TextView) view.findViewById(R.id.profileEmail1);
email2 = (EditText) view.findViewById(R.id.profileEmail2);
email3 = (EditText) view.findViewById(R.id.profileEmail3);
mail1 = (EditText) view.findViewById(R.id.profileAddress1);
mail2 = (EditText) view.findViewById(R.id.profileAddress2);
cityET = (EditText) view.findViewById(R.id.profileCity);
stateET = (EditText) view.findViewById(R.id.profileState);
zipET = (EditText) view.findViewById(R.id.profileZip);
return view;
}
class saveInfo extends AsyncTask<String, String, String> {
@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
try {
// Building Parameters
String secondemail = ((EditText) this.email2).getText().toString();
String thirdemail = ((EditText) this.email3).getText().toString();
String secaddress = ((EditText) this.mail1).getText().toString();
String secaddresstwo = ((EditText) this.mail2).getText().toString();
String secCity = ((EditText) this.cityET).getText().toString();
String secState = ((EditText) this.stateET).getText().toString();
String secZip = ((EditText) this.zipET).getText().toString();
}
}
您应该将edittext值作为参数传递给AsyncTask
您应该避免将视图传递给asynctask,以防在asynctask仍在运行时碎片或活动被破坏。 通过尽可能多地分离逻辑,这也使asynctask更易于测试。
public void startSaveInfo(){
String firstEmail = email1.getText().toString();
String secondEmail = email2.getText().toString();
String thirdEmail = email3.getText().toString();
String secaddress = mail1.getText().toString();
String secaddresstwo = mail2.getText().toString();
String secCity = cityEt.getText().toString();
String secState = stateEt.getText().toString();
String secZip = zipEt.getText().toString();
new saveInfo().execute(secondemail,thirdEmail,secaddress,secaddresstwo,secCity,secState,secZip)
}
class saveInfo extends AsyncTask<String, String, String> {
@Override
protected String doInBackground(String... args) {
// Building Parameters
String secondemail = args[0];
String thirdemail = args[1];
String secaddress = args[2];
String secaddresstwo = args[3];
String secCity = args[4];
String secState = args[5];
String secZip = args[6];
//do your work
}
}
当您在saveInfo
类中引用this.email2
等时, this
是saveInfo
类的引用,该类不具有您在Fragment中实例化的EditText
对象的概念。
访问实例变量的一种方法是创建一个saveInfo
构造函数,然后从片段saveInfo
其发送给您的view
对象。
在您的片段中,或者在您调用saveInfo任务的任何位置:
SaveInfo saveInfo = new SaveInfo(view) // 'saveInfo' should be capitalised
在saveInfo
:
...
View view;
public SaveInfo (View view) {
this.view = view;
}
@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
try {
// Building Parameters
String secondemail = view.email2.getText().toString();
....
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