ein Fehler aufgetreten. Ich möchte eine Anwendung für die Registrierung erstellen. Aber ich habe einen Fehler. java.lang.RuntimeException: Beim Ausführen von doInBackground() ist ein Fehler aufgetreten. Was ist falsch? das ist meine volle Klassejava.lang.RuntimeException: Beim Ausführen von doInBackground() ist beim Erstellen des Registrierungsformulars
public class signup_activity extends AppCompatActivity {
EditText username_reg;
EditText email_reg;
EditText password_reg;
Button signup_reg;
String url_server = "http://192.168.1.215/register.php";
TextView tanggal_reg;
Boolean cekinput;
String aksi;
String tanggal_kirim;
HttpResponse response;
String GetUsername, GetEmail, GetPassword, GetTanggal;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_signup);
username_reg = (EditText)findViewById(usernameup);
email_reg = (EditText)findViewById(emailup);
password_reg = (EditText)findViewById(passwordup);
signup_reg = (Button)findViewById(signup);
tanggal_reg = (TextView)findViewById(tanggalup);
signup_reg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Getcekinputkosong();
if(cekinput){
kirimdata(GetUsername, GetEmail, GetPassword, GetTanggal);
}
else {
Toast.makeText(signup_activity.this, "Data yang anda isikan belum lengkap", Toast.LENGTH_LONG). show();
}
}
});
}
public void Getcekinputkosong(){
GetUsername = username_reg.getText().toString();
GetEmail = email_reg.getText().toString();
GetPassword = password_reg.getText().toString();
GetTanggal=tanggal_reg.getText().toString();
if (TextUtils.isEmpty(GetUsername) || TextUtils.isEmpty(GetEmail) || TextUtils.isEmpty(GetPassword) || TextUtils.isEmpty(GetTanggal)) {
cekinput = false;
}
else {
cekinput = true;
}
}
public void kirimdata(final String username_reg, final String email_reg, final String password_reg, final String tanggal_reg) {
class SendPostReqAsyncTask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... params) {
String username_kirim = username_reg;
String email_kirim = email_reg;
String password_kirim = password_reg;
String tanggal_kirim = tanggal_reg;
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("username_reg", username_kirim));
nameValuePairs.add(new BasicNameValuePair("email_reg", email_kirim));
nameValuePairs.add(new BasicNameValuePair("password_reg", password_kirim));
nameValuePairs.add(new BasicNameValuePair("tanggal_reg", tanggal_kirim));
try {
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url_server);
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
} catch (ClientProtocolException e) {
} catch (IOException e) {
}
return "Data Berhasil Terkirim";
}
@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
Toast.makeText(signup_activity.this, "Data Berhasil Terkirim", Toast.LENGTH_SHORT).show();
}
}
SendPostReqAsyncTask sendPostReqAsyncTask = new SendPostReqAsyncTask();
sendPostReqAsyncTask.execute(username_reg, email_reg, password_reg);
}
public void kembali_login(View arg0){
Intent kembali = new Intent(signup_activity.this, register_activity.class);
startActivity(kembali);
signup_activity.this.finish();
}
public void showDatePickerDialog(View v) {
DialogFragment newFragment = new datepickerlah();
newFragment.show(getSupportFragmentManager(), "datePicker");
}
}
ich diesen Fehler bin immer beim Laufen:
E/Android Runtime: FATAL AUSNAHME: AsyncTask # 3
Prozess: com.example.client18.dd, PID : 8356
java.lang.RuntimeException: Fehler beim doInBackground()
bei android.os.AsyncTask $ 3.done (AsyncTask.java:300)
bei Java ausgeführt werden. util.concurrent.FutureTask.finishCompletion (FutureTask.java:355)at java.util.concurrent.FutureTask.setException(FutureTask.java:222) at java.util.concurrent.FutureTask.run(FutureTask.java:242) at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) at java.lang.Thread.run(Thread.java:841) Caused by: java.lang.NullPointerException at com.example.client18.dd.signup_activity$1SendPostReqAsyncTask.doInBackground(signup_activity.java:128) at com.example.client18.dd.signup_activity$1SendPostReqAsyncTask.doInBackground(signup_activity.java:112) at android.os.AsyncTask$2.call(AsyncTask.java:288) at java.util.concurrent.FutureTask.run(FutureTask.java:237) at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) at java.lang.Thread.run(Thread.java:841)
Post Ihren Logcat – sasikumar
Post voller Fehler, und welche Bibliothek Sie für Http verwenden? –
@sasikumar natürlich –