Is there a way to have 1 onClick Lister for many buttons where I can toss a case statement to do things based on what buttons were clicked.
I know I can make 100 different listeners for 100 buttons but I have to think I can create some nifty variables to do it in less lines of code.
Button btn1, btn2;
public void onCreate(Bundle b)
{
// here you do normal things like assigning a
// content view to the activity, initiate buttons, etc.
// then you assign the same listener to both buttons
btn1.setOnClickListener(yourListener);
btn2.setOnClickListener(yourListener);
}
// declare a OnClickListener that will execute different actions
// depending on the view that was clicked
View.OnClickListener yourListener = new View.OnClickListener(){
public void onClick (View v){
if( v == btn1 ){
// do something
}
elseif( v == btn1 ){
// do another thing
}
}
};
If you are using 1.6+ version of the SDK you can use android:onClick to set the onClick handler of a view. In your activity you must have a method with the following signature. The view is the view that was clicked.
void onClick(View v) {
switch(v.getId()) {
case R.id.button1:
//do something fantastic;
break;
}
}
public class MainActivity extends Activity implements View.OnClickListener{
btnXXX.setOnClickListener(this);
public void onClick(View v) {
if (v.getId()==R.id.btnXXX){
dialog.show();
} else {
handleOtherViews(v);
}
}
Alternatively, you can specify the method to call in xml:
<Button android:id="@id/button" android:text="@string/button" android:onClick="someMethod" />
