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Je suis assez nouveau pour la programmation Android et je ne peux pas comprendre quel est le problème ici. J'ai un formulaire d'inscription qui valide avant d'envoyer des informations de registre et d'aller à une autre activité. Formulaire de validation fonctionne si faux, mais quand tous les champs sont entrés il y a et erreur quand je clique sur le bouton.erreur de validation onClick lors d'une autre activité
code Java:
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Patterns;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class registracijaLastnika extends AppCompatActivity {
EditText etName;
EditText etSurname;
EditText etPasswordL;
EditText etUsernameL;
EditText etEmailL;
EditText etRepeatPasswordL;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_registracija_lastnika);
etName = (EditText) findViewById(R.id.etIme);
etSurname = (EditText) findViewById(R.id.etPriimek);
etPasswordL = (EditText) findViewById(R.id.etPasswordL);
etUsernameL = (EditText) findViewById(R.id.etUsernameL);
etEmailL = (EditText) findViewById(R.id.etEmailL);
etRepeatPasswordL = (EditText) findViewById(R.id.etRepeatPasswordL);
final Button bRegisterL = (Button) findViewById(R.id.bRegisterL);
bRegisterL.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String type = "regLas";
String ime = etName.getText().toString();
String priimek = etSurname.getText().toString();
String uporabnisko_ime = etUsernameL.getText().toString();
String geslo = etPasswordL.getText().toString();
String email = etEmailL.getText().toString();
validate();
if(!validate()) {
Toast.makeText(getApplicationContext(), "Signup has Failed",Toast.LENGTH_SHORT).show();
}
else {
BackgroundWorker backgroundWorker = new BackgroundWorker(getApplicationContext());
backgroundWorker.execute(type, ime, priimek, uporabnisko_ime, geslo, email);
Intent registerIntent = new Intent(registracijaLastnika.this, registracijaKavarne.class);
registracijaLastnika.this.startActivity(registerIntent);
}
}
});}
public boolean validate(){
boolean valid = true;
if(etName.length()<1 || etName.length()>32){
etName.setError("Please enter valid name");
valid = false;
}
if(etSurname.length()<1 || etSurname.length()>32){
etSurname.setError("Please enter valid name");
valid = false;
}
if(etEmailL.length()<1 || !Patterns.EMAIL_ADDRESS.matcher((CharSequence) etEmailL).matches()){
etEmailL.setError("Please enter valid email address");
valid = false;
}
if(etPasswordL.length()<1){
etPasswordL.setError("Please enter valid password");
valid = false;
}
if(etRepeatPasswordL.length()<1){
etRepeatPasswordL.setError("Please enter valid password");
valid = false;
}
if(!etRepeatPasswordL.equals(etPasswordL)){
etPasswordL.setError("Passwords don't match!");
valid = false;
}
if(etUsernameL.length()<1 || etUsernameL.length()>32){
etUsernameL.setError("Please enter valid name");
valid = false;
}
return valid;
}
}
fichier XML de cette activité:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_registracija_lastnika"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.lipic.coffeeaddict.registracijaLastnika">
<TextView
android:text="@string/personal_information"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tNaslov2L"
android:layout_marginTop="21dp"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
android:layout_below="@+id/tNaslovL"
android:layout_alignParentStart="true"
android:textStyle="normal|bold" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:ems="10"
android:id="@+id/etUsernameL"
android:hint="@string/username"
android:layout_marginTop="11dp"
android:layout_below="@+id/etPriimek"
android:layout_alignParentStart="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textEmailAddress"
android:ems="10"
android:id="@+id/etEmailL"
android:hint="@string/email"
android:layout_marginTop="13dp"
android:layout_below="@+id/etRepeatPasswordL"
android:layout_alignParentStart="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:ems="10"
android:id="@+id/etPriimek"
android:hint="@string/Surname"
android:layout_marginTop="7dp"
android:layout_below="@+id/etIme"
android:layout_alignParentStart="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:ems="10"
android:id="@+id/etRepeatPasswordL"
android:hint="@string/Rpassword"
android:layout_marginTop="10dp"
android:layout_below="@+id/etPasswordL"
android:layout_alignParentStart="true" />
<Button
android:text="@string/proceed_to_caffeteria_information"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bRegisterL"
android:onClick="regLas"
android:layout_alignParentBottom="true"
android:layout_alignParentStart="true"
android:layout_alignParentEnd="true" />
<EditText
android:layout_width="70dp"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:ems="10"
android:id="@+id/etIme"
android:layout_marginTop="12dp"
android:hint="@string/Name"
android:layout_below="@+id/tNaslov2L"
android:layout_alignParentStart="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:id="@+id/etPasswordL"
android:hint="@string/password"
android:layout_marginTop="13dp"
android:inputType="textPassword"
android:layout_below="@+id/etUsernameL"
android:layout_alignParentStart="true" />
<TextView
android:text="@string/owner_registration"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tNaslovL"
android:textAppearance="@style/TextAppearance.AppCompat.Display1"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
</RelativeLayout>
Code BackgroundWorker:
private String backgroundRegLas(String regLasURL, String... params){
try {
String ime = params[1];
String priimek = params[2];
String uporabnisko_ime = params[3];
String geslo = params[4];
String email = params[5];
URL url = new URL(regLasURL);
HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection();
httpURLConnection.setRequestMethod("POST");
httpURLConnection.setDoOutput(true);
httpURLConnection.setDoInput(true);
OutputStream outputStream = httpURLConnection.getOutputStream();
BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));
String post_data = URLEncoder.encode("ime","UTF-8")+"="+ URLEncoder.encode(ime,"UTF-8")+"&"
+URLEncoder.encode("priimek","UTF-8")+"="+ URLEncoder.encode(priimek,"UTF-8")+"&"
+URLEncoder.encode("uporabnisko_ime","UTF-8")+"="+ URLEncoder.encode(uporabnisko_ime,"UTF-8")+"&"
+URLEncoder.encode("geslo","UTF-8")+"="+ URLEncoder.encode(geslo,"UTF-8")+"&"
+URLEncoder.encode("email","UTF-8")+"="+ URLEncoder.encode(email,"UTF-8");
bufferedWriter.write(post_data);
bufferedWriter.flush();
bufferedWriter.close();
outputStream.close();
InputStream inputStream = httpURLConnection.getInputStream();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream,"iso-8859-1"));
String result= bufferedReader.readLine();
bufferedReader.close();
inputStream.close();
httpURLConnection.disconnect();
return result;
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
et est ici l'erreur
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.lipic.coffeeaddict, PID: 3234
java.lang.ClassCastException: android.support.v7.widget.AppCompatEditText cannot be cast to java.lang.CharSequence
at com.example.lipic.coffeeaddict.registracijaLastnika.validate(registracijaLastnika.java:76)
at com.example.lipic.coffeeaddict.registracijaLastnika$1.onClick(registracijaLastnika.java:53)
at android.view.View.performClick(View.java:5610)
at android.view.View$PerformClick.run(View.java:22265)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
L'application s'est terminée.
Nous vous remercions de votre aide.