如何從AsyncTask返回布爾值？我有一些編輯文本，用戶輸入一個ftp地址，用戶名，密碼，端口和測試連接按鈕。如果成功地建立了一個連接，它將返回一個真的布爾值。boolean status = ftpConnect(_address, _username, _password,_port);
ftpDisconnect();
if (status == true) {
Toast.makeText(SiteManager.this, "Connection Succesful",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(SiteManager.this,
"Connection Failed:" + status, Toast.LENGTH_LONG).show();
}我正在重新編寫代碼以使用AsyncTask來執行各種ftp操作，但是如果成功地建立了連接，我如何返回一個布爾值呢？testConnection.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
_name = etSitename.getText().toString();
_address = etAddress.getText().toString();
_username = etUsername.getText().toString();
_password = etPassword.getText().toString();
_port = Integer.parseInt(etPort.getText().toString());
AsyncConnectTask task = new AsyncConnectTask(SiteManager.this,
_address, _username, _password, _port);
task.execute();
// boolean status = ftpConnect(_address, _username, _password,
// _port);
// ftpDisconnect();
// if (status == true) {
// Toast.makeText(SiteManager.this, "Connection Succesful",
// Toast.LENGTH_LONG).show();
// savesite.setVisibility(0);
// } else {
// Toast.makeText(SiteManager.this,
// "Connection Failed:" + status, Toast.LENGTH_LONG)
// .show();
// }
}
});
3 回答
墨色風雨
TA貢獻1853條經驗 獲得超6個贊
public class AsyncConnectTask extends AsyncTask<Void, Void, Boolean> {@Override
protected Boolean doInBackground(Void... params) {
....
return true; /* or false */}@Override
protected void onPostExecute(Boolean result) {
// result holds what you return from doInBackground
}}
慕姐8265434
TA貢獻1813條經驗 獲得超2個贊
public class AsyncConnectTask extends AsyncTask<Void, Void, Boolean>
@Overrideprotected Boolean doInBackground(Void... params) {
boolean status = ftpHelper.ftpConnect(_address, _user, _pass, _port);
return status;}@Overrideprotected void onPostExecute(Boolean result) {
// use the result
super.onPostExecute(result);
progressDialog.dismiss();};添加回答
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