probleme d implementation methode setOnClickListener
bonjour
voici mode code
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| public class MainActivity extends ActionBarActivity {
//Declarer les buttons
private Button plus,moins,mult,divid,egal;
private EditText chif1,chif2,res;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
plus = (Button) findViewById(R.id.button1);
moins = (Button) findViewById(R.id.button2);
mult = (Button) findViewById(R.id.button3);
divid = (Button) findViewById(R.id.button4);
egal = (Button) findViewById(R.id.button5);
chif1 = (EditText) findViewById(R.id.editText1);
chif2 = (EditText) findViewById(R.id.editText2);
res = (EditText) findViewById(R.id.editText3);
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment())
.commit();
}
plus.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v) {
plusclick();
}
});
}....
public void plusclick(){
}
} |
lors d exécution sur l émulateur message d erreur stopper l application
