Develop Reference

Custom ListView in Android

I want to create a custom list view in app...
but I don't understand why my code have problem to run it
when I run my app ...Shows Message as "app is stopped" ..
I'm confused..
Help me to solve this
thank you
java code:
public class MainActivity extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView list=(ListView) findViewById(R.id.listView1);
Myadapter adapter=new Myadapter(getApplicationContext());
list.setAdapter(adapter);
}
public class Myadapter extends BaseAdapter
{
LayoutInflater myInflater;
public Myadapter(Context context) {
myInflater=LayoutInflater.from(context);
// TODO Auto-generated constructor stub
}
#Override
public int getCount() {
// TODO Auto-generated method stub
return (4);
}
#Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
#Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder Holder;
if(convertView==null)
{
Holder=new ViewHolder();
convertView=myInflater.inflate(R.layout.item_layout, null);
Holder.star=(ImageButton) convertView.findViewById(R.id.imageButton_star);
Holder.vorod=(Button) convertView.findViewById(R.id.button_voro);
Holder.url=(TextView) convertView.findViewById(R.id.text_addres);
Holder.vorod=(Button)convertView.findViewById(R.id.imageButton_star);
Holder.rank=(ImageButton) convertView.findViewById(R.id.imageButton_rank);
Holder.speed=(ImageButton) convertView.findViewById(R.id.imageView_speed);
Holder.delete=(ImageButton) convertView.findViewById(R.id.imageButton_delete);
convertView.setTag(Holder);
}
else
Holder=(ViewHolder) convertView.getTag();
// TODO Auto-generated method stub
return convertView;
}
}
public class ViewHolder
{
ImageButton star;
Button vorod;
TextView url;
ImageButton rank;
ImageButton speed;
ImageButton detail;
ImageButton delete;
}
}
Xml code:(Item list view)
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="30dp"
android:background="#drawable/image001"
android:orientation="vertical" >
<ImageButton
android:id="#+id/imageButton_star"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="30dp"
android:background="#drawable/round"
android:src="#drawable/star1"
/>
<Button
android:id="#+id/button_voro"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#+id/text_addres"
android:background="#drawable/corner_round"
android:text="button" />
<TextView
android:id="#+id/text_addres"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="9dp"
android:layout_margin="30dp"
android:layout_centerInParent="true"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<LinearLayout
android:id="#+id/linearLayout1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="30dp"
android:background="#drawable/olgo"
android:orientation="horizontal" >
<ImageButton
android:id="#+id/imageView_speed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/round"
android:layout_margin="5dp"
android:layout_weight="1"
android:src="#drawable/speed" />
<ImageButton
android:id="#+id/imageButton_dataile"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/round"
android:layout_margin="5dp"
android:layout_weight="1"
android:src="#drawable/dataile" />
<ImageButton
android:id="#+id/imageButton_rank"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/round"
android:layout_margin="5dp"
android:layout_weight="1"
android:src="#drawable/ranke" />
<ImageButton
android:id="#+id/imageButton_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/round"
android:layout_margin="5dp"
android:layout_weight="1"
android:src="#drawable/delete" />
</LinearLayout>
and main Xml: There is a listView

you have this in code:
Holder.star=(ImageButton) convertView.findViewById(R.id.imageButton_star);
but you have not a Button with id imageButton_star in your xml file.
You are inilizating Holder.vorod twice
Remove
Holder.vorod=(Button)convertView.findViewById(R.id.imageButton_star);

customAdapter for object isnt working

I have a model class. Now from my activity i want to set the values in model class & show them in gridview using my custom adapter. After that i need to store the object in a variable(class type) from gridview's onItemClick. I have done the below codes. But its not working. Where did i go wrong?
activity_country.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
tools:context=".CountryActivity" >
<TextView
android:id="#+id/nTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="21dp"
android:layout_marginTop="26dp"
android:text="Name" />
<TextView
android:id="#+id/aTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/nTextView"
android:layout_below="#+id/nTextView"
android:layout_marginTop="24dp"
android:text="About" />
<EditText
android:id="#+id/CountryNameEditText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="#+id/nTextView"
android:layout_alignBottom="#+id/nTextView"
android:layout_marginLeft="48dp"
android:layout_toRightOf="#+id/nTextView"
android:ems="10" >
<requestFocus />
</EditText>
<EditText
android:id="#+id/CountryAboutEditText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/CountryNameEditText"
android:layout_alignTop="#+id/aTextView"
android:ems="10" />
<Button
android:id="#+id/saveCountryButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/CountryAboutEditText"
android:layout_below="#+id/CountryAboutEditText"
android:layout_marginLeft="16dp"
android:layout_marginTop="22dp"
android:text="Save"
android:onClick="saveCountry"
/>
<GridView
android:id="#+id/countryGridView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#+id/saveCountryButton"
android:layout_centerHorizontal="true"
android:numColumns="2">
</GridView>
</RelativeLayout>
CountryActivity.java
public class CountryActivity extends Activity
{
ArrayList<Country> countries = new ArrayList<Country>();
Country aCountry;
EditText CountryNameTxtBox;
EditText CountryAboutTxtBox;
GridView countrygGridView;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_country);
// Show the Up button in the action bar.
setupActionBar();
CountryNameTxtBox = (EditText)findViewById(R.id.CountryNameEditText);
CountryAboutTxtBox = (EditText)findViewById(R.id.CountryAboutEditText);
countrygGridView = (GridView)findViewById(R.id.countryGridView);
}
public void saveCountry(View view)
{
String txtName = CountryNameTxtBox.getText().toString();
String txtAbout = CountryAboutTxtBox.getText().toString();
showGrid();
}
public void showGrid()
{
/*
ArrayAdapter<Country> adapter = new ArrayAdapter<Country>(this,android.R.layout.simple_list_item_1, countries);
countrygGridView.setAdapter(adapter);
*/
countrygGridView.setAdapter(new myAdapter(this,countries));
countrygGridView.setOnItemClickListener(new OnItemClickListener()
{
#Override
public void onItemClick(AdapterView<?> parent, View v,int position, long id)
{
for(Country mCountry: countries)
{
if(countries.contains(aCountry))
{
Toast.makeText(CountryActivity.this,countries.get(position).getName(), 2000).show();
}
}
}
});
}
countrygrid.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<TextView
android:id="#+id/label1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#+id/label"
android:layout_marginTop="15sp"
android:textSize="15sp" >
</TextView>
<TextView
android:id="#+id/label2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#+id/label"
android:layout_marginTop="15sp"
android:textSize="15sp" >
</TextView>
</LinearLayout>
myAdapter.java
public class myAdapter extends BaseAdapter
{
Context mycontext;
ArrayList<Country> countries;
public myAdapter(Context c, ArrayList<Country> obj)
{
this.mycontext=c;
this.countries = obj;
}
public int getCount() {
// TODO Auto-generated method stub
return countries.size();
}
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return countries.get(arg0);
}
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}
public View getView(int position, View convertview, ViewGroup parent)
{
LayoutInflater inflater = (LayoutInflater) mycontext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View gridView;
if(convertview==null)
{
gridView =new View(mycontext);
gridView =inflater.inflate(R.layout.countrygrid, null);
TextView txtvw1 = (TextView) gridView.findViewById(R.id.label1);
txtvw1.setText(countries.get(position).getName());
TextView txtvw2 = (TextView) gridView.findViewById(R.id.label2);
txtvw2.setText(countries.get(position).getAbout());
}
else
{
gridView = (View) convertview;
}
return gridView;
}
}
*Its showing error in countryActivity.java- when i am trying to set the adapter inside showGrid() *
countrygGridView.setAdapter(new myAdapter(this,countries));

public class myAdapter
{
does not extend anything
It should be
public class myAdapter extends BaseAdapter //orArrayAdapter
{
If you still have a problem post the stacktrace for further help

How to display grid view with images?

I'm trying to display grid view of images.I have tried the following code but my application gets force close after running.Where i have gone wrong?
My code:
AndroidGridLayoutActivity:
public class AndroidGridLayoutActivity extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
GridView gv=(GridView)findViewById(R.id.grid_view);
gv.setAdapter(new ImageAdapter(this));
}
}
ImageAdapter.java:
public class ImageAdapter extends BaseAdapter {
private Context mcontext;
public Integer[] mThumbids={R.drawable.img9,R.drawable.img10,R.drawable.img11,R.drawable.img12,R.drawable.img13,R.drawable.img14};
public ImageAdapter(Context c)
{
mcontext=c;
}
#Override
public int getCount() {
// TODO Auto-generated method stub
return mThumbids.length;
}
#Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return mThumbids[position];
}
#Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ImageView imageView=new ImageView(mcontext);
imageView.setImageResource(mThumbids[position]);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setLayoutParams(new GridView.LayoutParams(70,70));
return imageView;
}
}
main.xml:
<GridView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/grid_view"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="auto_fit"
android:columnWidth="90dp"
android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
android:stretchMode="columnWidth"/>

public class MainActivity extends Activity {
GridView gv1;
GridViewAdapter madapter;
int arr[]={R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher};
String arr1[]={"ashu","hello","yes","no"};
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gv1=(GridView)findViewById(R.id.gridView1);
madapter=new GridViewAdapter();
gv1.setAdapter(madapter);
}
class GridViewAdapter extends BaseAdapter{
#Override
public int getCount() {
// TODO Auto-generated method stub
return arr1.length;
}
#Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
#Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater infla=getLayoutInflater();
View v=infla.inflate(R.layout.main1,null);
TextView tv1=(TextView)v.findViewById(R.id.textView1);
ImageView iv1=(ImageView)v.findViewById(R.id.imageView1);
tv1.setText(arr1[position]);
iv1.setBackgroundResource(arr[position]);
return v;
}}
}
activity_main.xml
<GridView
android:id="#+id/gridView1" android:layout_width="match_parent" android:layout_height="match_parent"
android:padding="10dp"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:numColumns="auto_fit"
android:columnWidth="60dp"
android:stretchMode="columnWidth"
android:gravity="center"
/> </RelativeLayout>
main1.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ImageView
android:id="#+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:src="#drawable/ic_launcher" />
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/imageView1"
android:text="TextView" /> </RelativeLayout>

how to apply Gridview with fixrows and horizontal scrollbar

I want to implemented gridview with three rows and multiple column. I tried below code but not able to achieve what i want.
my xml file is
<LinearLayout
android:layout_width="300dp"
android:layout_height="wrap_content"
android:orientation="vertical" >
<HorizontalScrollView
android:id="#+id/horizontalScrollView1"
android:layout_width="340dp"
android:layout_height="wrap_content"
android:fillViewport="true" >
<GridView
android:id="#+id/gridView"
android:layout_width="340dp"
android:layout_height="385dp"
android:layout_marginBottom="30dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="20dp"
android:columnWidth="90dp"
android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
android:padding="5dp"
android:scrollbars="horizontal">
</GridView>
</HorizontalScrollView>
</LinearLayout>
and activity file code is
gridView.setAdapter(new ImageAdapter(this,id_list,favflag_list,thumb_img_list));
gridView.setNumColumns(5);
is it achievable or any other way

<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/grid_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="auto_fit"
android:columnWidth="90dp"
android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
android:gravity="center"
android:stretchMode="columnWidth" >
</GridView>
Binding Adapter :
public class ImageAdapter extends BaseAdapter {
private Context mContext;
// Keep all Images in array
public Integer[] mThumbIds = {
R.drawable.pic_1, R.drawable.pic_2,
R.drawable.pic_3, R.drawable.pic_4,
R.drawable.pic_5, R.drawable.pic_6,
R.drawable.pic_7, R.drawable.pic_8,
R.drawable.pic_9, R.drawable.pic_10,
R.drawable.pic_11, R.drawable.pic_12,
R.drawable.pic_13, R.drawable.pic_14,
R.drawable.pic_15
};
// Constructor
public ImageAdapter(Context c){
mContext = c;
}
#Override
public int getCount() {
return mThumbIds.length;
}
#Override
public Object getItem(int position) {
return mThumbIds[position];
}
#Override
public long getItemId(int position) {
return 0;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView = new ImageView(mContext);
imageView.setImageResource(mThumbIds[position]);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setLayoutParams(new GridView.LayoutParams(70, 70));
return imageView;
}
}
Main Activity :
public class AndroidGridLayoutActivity extends Activity {
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.grid_layout);
GridView gridView = (GridView) findViewById(R.id.grid_view);
// Instance of ImageAdapter Class
gridView.setAdapter(new ImageAdapter(this));
}
}

it is depend on your data. if you add more data it will change its size. Example. if you have 9 picture to store in gridview. you must to set android:numColumns = "3" in xml, it will show you 3 rows.

<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/gridview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="auto_fit"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:columnWidth="90dp"
android:stretchMode="columnWidth"
android:gravity="center"
/>
Custom xml layout :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:id="#+id/imagepart"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
<TextView
android:id="#+id/textpart"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
Main Activity :
public class CustomGridView extends Activity {
// references to our images
private Integer[] mThumbIds = {
R.drawable.androider_01,
R.drawable.androider_02,
R.drawable.androider_03,
R.drawable.androider_04,
R.drawable.androider_05,
R.drawable.androider_06,
R.drawable.androider_07,
R.drawable.androider_08,
R.drawable.androider_09,
R.drawable.androider_10,
R.drawable.androider_11,
R.drawable.androider_12,
R.drawable.androider_13,
R.drawable.androider_14,
R.drawable.androider_15,
R.drawable.androider_16
};
public class MyAdapter extends BaseAdapter {
private Context mContext;
public MyAdapter(Context c) {
// TODO Auto-generated constructor stub
mContext = c;
}
#Override
public int getCount() {
// TODO Auto-generated method stub
return mThumbIds.length;
}
#Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return mThumbIds[arg0];
}
#Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View grid;
if(convertView==null){
grid = new View(mContext);
LayoutInflater inflater=getLayoutInflater();
grid=inflater.inflate(R.layout.mygrid, parent, false);
}else{
grid = (View)convertView;
}
ImageView imageView = (ImageView)grid.findViewById(R.id.imagepart);
TextView textView = (TextView)grid.findViewById(R.id.textpart);
imageView.setImageResource(mThumbIds[position]);
textView.setText(String.valueOf(position));
return grid;
}
}
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
GridView gridview = (GridView) findViewById(R.id.gridview);
gridview.setAdapter(new MyAdapter(this));
}
}

GridView doesn't display content in android

i am trying to display image using GridView. This is the first time i using GridView, so i using the example from here and implement it to mine (i have tried the example that contained there, and it's works).
But, i have checked it many time, there's no error comes from LogCat, no Force Closed, the image didn't show. i have no idea where's the wrong part.
Here's my code:
choosepic.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="#drawable/bg_inner">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/book_inner"
android:layout_marginTop="50dp"
/>
<ImageButton
android:id="#+id/homeBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/home_btn"
android:background="#null"
/>
<ImageView
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:src="#drawable/bg_arrow_btn"
android:layout_alignParentRight="true"
/>
<ImageButton
android:id="#+id/nextBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/right_arrow"
android:background="#null"
android:layout_alignParentRight="true"
android:layout_marginTop="5dp"
android:layout_marginRight="7dp"
android:layout_marginLeft="7dp"
/>
<ImageButton
android:id="#+id/prevBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/left_arrow"
android:background="#null"
android:layout_toLeftOf="#+id/nextBtn"
android:layout_marginTop="5dp"
/>
<GridView
android:id="#+id/gridView1"
android:numColumns="3"
android:gravity="center"
android:columnWidth="30dp"
android:stretchMode="columnWidth"
android:layout_width="300dp"
android:layout_height="200dp"
android:layout_marginLeft="60dp"
android:layout_marginTop="70dp"
>
</GridView>
</RelativeLayout>
animalbutton.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ImageView
android:id="#+id/grid_item_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/ic_launcher"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true">
</ImageView>
<TextView
android:text="TextView"
android:layout_height="wrap_content"
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_centerHorizontal="true"
android:textSize="18sp"
android:visibility="gone">
</TextView>
ImageAdapter.java
public class ImageAdapter extends BaseAdapter{
private Activity activity;
private ArrayList<String> listNm;
private ArrayList<Integer> listAnim;
public ImageAdapter(Activity activity,ArrayList<String> listName, ArrayList<Integer> listImage) {
super();
this.listNm = listName;
this.listAnim = listImage;
this.activity = activity;
}
public static class ViewHolder
{
public ImageView imgViewAnim;
public TextView txtViewAnim;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder view;
LayoutInflater inflator = activity.getLayoutInflater();
if(convertView==null)
{
view = new ViewHolder();
convertView = inflator.inflate(R.layout.animalbutton, null);
view.txtViewAnim = (TextView) convertView.findViewById(R.id.textView1);
view.imgViewAnim = (ImageView) convertView.findViewById(R.id.grid_item_image);
convertView.setTag(view);
}
else
{
view = (ViewHolder) convertView.getTag();
}
view.txtViewAnim.setText(listNm.get(position));
view.imgViewAnim.setImageResource(listAnim.get(position));
return convertView;
}
#Override
public int getCount() {
// TODO Auto-generated method stub
return 0;
}
#Override
public String getItem(int position) {
// TODO Auto-generated method stub
return listNm.get(position);
}
#Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
}
choosepic.java
public class choosepic extends Activity {
/** Called when the activity is first created. */
ImageAdapter mAdapter;
GridView gridView;
static final String[] animal = new String[] {
"cat", "cow","croc", "duck", "elephant", "giraffe", "lion", "moose", "mouse"};
private ArrayList<String> listNm;
private ArrayList<Integer> listAnim;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.choosepic);
gridView = (GridView) findViewById(R.id.gridView1);
prepare_list1();
mAdapter = new ImageAdapter(this,listNm, listAnim);
gridView.setAdapter(mAdapter);
gridView.setOnItemClickListener(new OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> arg0, View v, int position, long id) {
Toast.makeText(getApplicationContext(), mAdapter.getItem(position), Toast.LENGTH_SHORT).show();
}
});
}
public void prepare_list1(){
listNm = new ArrayList<String>();
listAnim = new ArrayList<Integer>();
for (int i = 0; i < animal.length; i++) {
listNm.add(animal[i]);
listAnim.add(getResources().getIdentifier("anim_"+animal[i], "drawable", getPackageName()));
}
}
}
i need some help. i appreciate any help. thank you in advance!

i think the problem is in your getCount() that returns 0 elements
instead of that make it like this
#Override
public int getCount() {
// TODO Auto-generated method stub
return listNm.size();
}