L'application semble se bloquer lorsque je tente et obtenir le texte de la EditText:Aide AlertDialog dans Android
package com.example.helloandroid;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.util.Log;
import android.app.Activity;
import android.os.Bundle;
public class MatrixMultiply extends Activity implements OnClickListener {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
View newButton = findViewById(R.id.new_button);
newButton.setOnClickListener(this);
View aboutButton = findViewById(R.id.about_button);
aboutButton.setOnClickListener(this);
View exitButton = findViewById(R.id.exit_button);
exitButton.setOnClickListener(this);
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.about_button:
Intent i = new Intent(this, About.class);
startActivity(i);
break;
case R.id.new_button:
openNewGameDialog();
break;
case R.id.exit_button:
finish();
break;
// More buttons go here (if any) ...
}
}
private static final String TAG = "Matrix";
private void openNewGameDialog() {
LayoutInflater factory = LayoutInflater.from(this);
final View textEntryView = factory.inflate(R.layout.text, null);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Matrices");
alert.setMessage("Please enter the size of the matrix");
// Set an EditText view to get user input
alert.setView(textEntryView);
AlertDialog matrixSize = alert.create();
final EditText height1 = (EditText) matrixSize.findViewById(R.id.h1);
final EditText width1 = (EditText) MatrixMultiply.this.findViewById(R.id.w1);
final EditText height2 = (EditText) MatrixMultiply.this.findViewById(R.id.h2);
final EditText width2 = (EditText) MatrixMultiply.this.findViewById(R.id.w2);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String h1 = height1.getText().toString();
String w1 = width1.getText().toString();
String h2 = height2.getText().toString();
String w2 = width2.getText().toString();
}
});
alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Canceled.
}
});
alert.show();
}
private void startGame(int i) { Log.d(TAG, "clicked on " + i); // Start game here...
}
}
Essayez d'imprimer la sortie de height1.getText(). ToString() avant le traitement du bouton 'Ok', qu'est-ce que cela révèle? – TheCottonSilk