我想要一個Json文件到我的Android應用程序。我使用Tomcat,這是我的代碼部分:嘗試連接到URL使用okhttpClient抓住一個JSON
final String servidor = "10.0.2.2:8080/ProjetoTCC";
public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {
private final String mEmail;
private final String mPasswordU;
UserLoginTask(String email, String password) {
mEmail = email;
mPasswordU = password;
}
@Override
protected Boolean doInBackground(Void... params) {
requester = new MoradorRequester();
if(requester.isConnected(LoginActivity.this)) {
intent = new Intent(LoginActivity.this, UserAreaActivity.class);
try {
morador = requester.get("http://" + servidor + "/ValidacaoLoginAndroid.json", mEmail, mPasswordU);
intent.putExtra("MORADOR", morador);
if(morador.getValidacao() == true){
startActivity(intent);}
} catch (IOException e) {
e.printStackTrace();
}
}else{
Toast toast = Toast.makeText(LoginActivity.this, "Rede indisponível!", Toast.LENGTH_LONG);
toast.show();
}
return false;
}
這裏我所說的方法MoradorRequester()嘗試連接並獲得JSON對象。這裏是Moredor請求者():
try {
JSONArray root = new JSONArray(jsonStr);
JSONObject item = null;
for (int i = 0; i < root.length(); i++) {
item = (JSONObject) root.get(i);
morador.setNome(item.getString("nome_completo"));
morador.setDataNascimento(item.getString("data_nascimento"));
morador.setnApartamento(item.getInt("n_apartamento"));
morador.setEmail(item.getString("email"));
morador.setValidacao((Boolean) item.get("validacao"));
}
} catch(JSONException e){
e.printStackTrace();
}
finally {
if(morador == null)
morador.setDataNascimento("10/10/2010");
morador.setEmail("email");
morador.setnApartamento(0);
morador.setNome("Sem Nome");
morador.setDataNascimento("10/10/2010");
morador.setValidacao(true);
}
請求者不能搶JSON和我總是收到我的最後創建的默認用戶。
我試着調試,當Android運行「String jsonStr = response.body()。string();」錯誤是:
Response{protocol=http/1.1, code=404, message=Not Found, url=http://10.0.2.2:8080/ProjetoTCC/ValidacaoLoginAndroid.json}
而且,我收到以下錯誤Android的顯示器上:
09-25 19:24:01.080 2414-2977/com.example.arthurf.tcc.app W/System.err: org.json.JSONException: Value <!DOCTYPE of type java.lang.String cannot be converted to JSONArray
09-25 19:24:01.115 2414-2977/com.example.arthurf.tcc.app W/System.err: at org.json.JSON.typeMismatch(JSON.java:111)
09-25 19:24:01.115 2414-2977/com.example.arthurf.tcc.app W/System.err: at org.json.JSONArray.<init>(JSONArray.java:96)
09-25 19:24:01.115 2414-2977/com.example.arthurf.tcc.app W/System.err: at org.json.JSONArray.<init>(JSONArray.java:108)
09-25 19:24:01.115 2414-2977/com.example.arthurf.tcc.app W/System.err: at network.MoradorRequester.get(MoradorRequester.java:52)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at com.example.arthurf.tcc.app.Controller.LoginActivity$UserLoginTask.doInBackground(LoginActivity.java:220)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at com.example.arthurf.tcc.app.Controller.LoginActivity$UserLoginTask.doInBackground(LoginActivity.java:201)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at android.os.AsyncTask$2.call(AsyncTask.java:295)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at java.util.concurrent.FutureTask.run(FutureTask.java:237)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
09-25 19:24:01.117 2414-2977/com.example.arthurf.tcc.app W/System.err: at java.lang.Thread.run(Thread.java:818)
我已經測試了JSON和它似乎工作正常,返回我需要什麼,我相信這是Android和服務器之間的連接問題。
如果你願意,你可以檢查在GitHub上我的代碼:
https://github.com/ArthurFranchetto/TCCTest1.git
我錯過了什麼?
謝謝。