When you click the button, launch a new activity with startActivity(). That
method takes an Intent through which you can pass data to the activity you
are calling.
When you do it this way, pressing the back button automatically has the
effect you want by virtue of how the Android OS works.
----------------------------------------------------------------------
There are only 10 types of people in the world...
Those who know binary and those who don't.
----------------------------------------------------------------------
On Thu, Jun 24, 2010 at 10:04 AM, Justin <justinbrett1...@gmail.com> wrote:
> I have written a app, and I have pictures which are stored in the /
> drawable directory. My app makes a sliding gallery across the top,
> (id gallery1) and as you select the picture in the gallery it load
> the
> picture bigger underneath, (id image1). These a layed out in a XML
> file. There is a button below the image (image1) which is called (id
> mybutton).
> I want it when a image comes up, when the button is pressed it loads
> the same image on a XML layout file, in which the picture is full
> screen, the ID of the XML file image is (id bigpic), and then from
> there to beable to press the back button to go back to the gallery
> screen. Can anyone help?
>
>
> My Whole Code is:
>
>
>
> ***************************************************************************
> ******************
> public class PicViews extends Activity
> {
> //---the images to display---
> Integer[] imageIDs = {
> R.drawable.pic01,
> R.drawable.pic02,
> R.drawable.pic03,
> R.drawable.pic04,
> R.drawable.pic05
>
>
> };
>
>
> @Override
> public void onCreate(Bundle savedInstanceState)
> {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.displayview);
>
>
> Gallery gallery = (Gallery) findViewById(R.id.gallery1);
>
>
> gallery.setAdapter(new ImageAdapter(this));
> gallery.setOnItemClickListener(new OnItemClickListener()
> {
> public void onItemClick(AdapterView parent,
> View v, int position, long id)
> {
> //---display the images selected---
> ImageView imageView = (ImageView)
> findViewById(R.id.image1);
>
>
> imageView.setImageResource(imageIDs[position]);
> }
> });
> }
>
>
> public class ImageAdapter extends BaseAdapter
> {
> private Context context;
> private int itemBackground;
>
>
> public ImageAdapter(Context c)
> {
> context = c;
> //---setting the style---
> TypedArray a =
> obtainStyledAttributes(R.styleable.Gallery1);
> itemBackground = a.getResourceId(
> R.styleable.Gallery1_android_galleryItemBackground,
> 0);
> a.recycle();
> }
>
>
> //---returns the number of images---
> public int getCount() {
> return imageIDs.length;
> }
>
>
> //---returns the ID of an item---
> public Object getItem(int position) {
> return position;
> }
>
>
> public long getItemId(int position) {
> return position;
> }
>
>
> //---returns an ImageView view---
> public View getView(int position, View convertView, ViewGroup
> parent) {
> ImageView imageView = new ImageView(context);
> imageView.setImageResource(imageIDs[position]);
> imageView.setScaleType(ImageView.ScaleType.FIT_XY);
> imageView.setLayoutParams(new Gallery.LayoutParams(150,
> 120));
> imageView.setBackgroundResource(itemBackground);
> return imageView;
> }
> }
>
>
>
> }
>
>
>
> ***************************************************************************
> ******************
>
> The Section of code which pulls up the image and makes the bigger
> picture show is:
>
>
>
> ***************************************************************************
> ******************
> gallery.setOnItemClickListener(new OnItemClickListener()
> {
> public void onItemClick(AdapterView parent,
> View v, int position, long id)
> {
> //---display the images selected---
> ImageView imageView = (ImageView)
> findViewById(R.id.image1);
>
>
> imageView.setImageResource(imageIDs[position]);
> }
> });
>
> ***************************************************************************
> *******************
>
>
>
>
> Please help, I'm only learning.
>
>
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