Passing parameter from a button to android:onClick method

Question

Hi I have something like this (3 buttons) in my activity xml pointing to same method:

 <Button
        android:id="@+id/Button_1"
        android:onClick="printNo"
        android:text="@string/Button_1" />
 <Button
        android:id="@+id/Button_2"
        android:onClick="printNo"
        android:text="@string/Button_2" />

 <Button
        android:id="@+id/Button_3"
        android:onClick="printNo"
        android:text="@string/Button_3" />

Is there any way I could determine which button was pressed while in the printNo method ?

Solution 1

public void printNo( View v ) {
    switch (v.getId()) {
    case (R.id.Button_1):
        //stuff
    break;
    case (R.id.Button_2):
        //stuff
    break;
    case (R.id.Button_3):
        //stuff
    break;
}

Solution 2

As @user1106018 said - you can use tag in xml like that:

<Button android:onClick="f" android:tag="0"/>

Then it is really simple to get this tag in this way:

public void f(View v) {
    String value =  v.getTag(); 
}

Solution 3

Simply switch over the ID:

public void printNo(View v){
    switch (v.getId()){
    case R.id.Button_1:
        break;
    case R.id.Button_2:
        break;
    case R.id.Button_3:
        break;
}

Solution 4

Working in my end

public void printNo(View v) {

switch (v.getId()) {

    case R.id.Button_1:
    break;

    case R.id.Button_2:
    break;

    case R.id.Button_3:
    break;
}

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