Mark: Thanks for your time and clarity.
On Friday, June 1, 2012 5:16:09 PM UTC-4, dev0708 wrote:
>
> I’ve observed two ways to handle a button press: #1 and #2 below.
> - Can anyone explain the situations where I should use one or another?
> - What is the proper terminology to describe the two techniques?
> - Are there more ways to handle a button press?
> Much thanks.
>
>
> 1. Set event handler in Main.xml
> 1.1. Main.xml:
> 1.1.1. <Button
> 1.1.1.1. android:id="@+id/buttonMine"…
> 1.1.1.2. android:onClick="runMyCode"
> 1.2. X.Java
> 1.2.1. public void changeToRed(View v) {
> 1.2.2. tvResult.setText("Red");
>
>
> 2. Set event handler in .java
> 2.1. Main.xml:
> 2.1.1. <Button
> 2.1.1.1. android:id="@+id/buttonMine"…
> 2.2. X.java:
> 2.2.1. Public class… implements OnClickListener…
> 2.2.1.1. Button btnMyButtonInCode; // used for code ref to
> object
> 2.2.2. Public onCreate
> 2.2.2.1. btnMyButtonInCode
> =(Button)findViewById(R.id.buttonMine);
> 2.2.2.2. btnMyButtonInCode.setOnClickListener(this);
> 2.2.3. public void onClick(View v)…
> 2.2.3.1. (code to run when button pressed)
>
>
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