Witam, pisze text repeatera i mam problem ze zmiana stringa na inta.
Napisałem coś takiego
package eu.make4u.textrepeater;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends AppCompatActivity {
EditText edit_text, repeat, output;
Button button;
String text = "";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
edit_text = findViewById(R.id.edit_text);
repeat = findViewById(R.id.edit_text);
output = findViewById(R.id.output);
button = findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String input = edit_text.getText().toString();
String number = repeat.getText().toString();
if(!number.equals("")) {
int number_repeat = Integer.parseInt(repeat.getText().toString());
text = "";
for(int i=0; i<number_repeat; i++){
text = text + input + " ";
}
output.setText(text);
}
}
});
}
}
I dostaje błąd z konwersja ze stringa na inta
E/AndroidRuntime: FATAL EXCEPTION: main
Process: eu.make4u.textrepeater, PID: 9322
java.lang.NumberFormatException: For input string: "test"
at java.lang.Integer.parseInt(Integer.java:521)
at java.lang.Integer.parseInt(Integer.java:556)
at eu.make4u.textrepeater.MainActivity$1.onClick(MainActivity.java:33)
at android.view.View.performClick(View.java:5619)
at android.view.View$PerformClick.run(View.java:22298)
at android.os.Handler.handleCallback(Handler.java:754)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:165)
at android.app.ActivityThread.main(ActivityThread.java:6375)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:912)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:802)
Próbowałem
valueOf
jednak nic nie dało.
Ktoś coś?