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此代碼用於嘗試註冊數據庫的android studio應用程序。我的代碼在最後我的getBaseContext()代碼中不斷給我提供錯誤,我不知道爲什麼會如我所想它看起來確定!代碼是爲了一個實驗室,所以它應該是正確的,但我一直在犯錯誤!解析數據的getBaseContext()錯誤
有人可以告訴我嗎?任何幫助將非常感激!謝謝
public class AttemptRegistration extends
AsyncTask<String, Integer, String> {
int success;
String message = " ";
@Override
protected String doInBackground(String... args) {
try {
Map<String, String> params = new HashMap<String, String>();
params.put("tag", "register");
params.put("username", args[0]);
params.put("password", args[1]);
params.put("email", args[2]);
//
HttpUtility.sendPostRequest(params);
//
String response = HttpUtility.readRespone();
JSONObject jObj = null;
try {
jObj = new JSONObject(response);
success = jObj.getInt("success");
message = jObj.getString("message");
} catch (JSONException e) {
Log.e("JSON Parser", "Error parsing data" + e.toString());
}
} catch (IOException ex) {
ex.printStackTrace();
}
HttpUtility.disconnect();
return message;
}
protected void onPostExecute(String status) {
if (status !=null) {
Toast.makeText(getBaseContext(), status, Toast.LENGTH_LONG).show();
if(success == 1) {
startActivity (new Intent(getBaseContext(), LoginActivity.class));
}
}
}
郵棧跟蹤 –
'getBaseContext()'不可用於'AsyncTask'的方法。如果您需要顯示Toast,則需要將參考傳遞給您的活動。如果你的AsyncTask是一個內部類,你可以調用'YourActivity.this.getBaseContext()' –