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私はAndroidプログラミングにはかなり新しいので、ここで何が問題か分かりません。 私は、登録情報を送信して別のアクティビティに行く前に検証する登録フォームを持っています。 Form validateはfalseの場合に機能しますが、すべてのフィールドが入力されると、ボタンをクリックするとエラーが発生します。別のアクティビティに行くときにonClick検証エラーが発生しました
Javaコード：
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;
}
}
この活動のXMLファイル：
<?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>
のBackgroundWorkerコード：
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;
}
、ここではエラーが
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)
アプリケーションが終了しました。
ありがとうございました。