001.public class MainActivity extends Activity {
002.
003. List <String> ImageList;
004.
005. @Override
006. public void onCreate(Bundle savedInstanceState) {
007. super.onCreate(savedInstanceState);
008. setContentView(R.layout.activity_main);
009.
010.
011. ImageList = getSD();
012.
013.
014. final GridView gView1 = (GridView)findViewById(R.id.gridView1);
015.
016. gView1.setAdapter(new ImageAdapter(this,ImageList));
017.
018.
019.
020. gView1.setOnItemClickListener(new OnItemClickListener() {
021. public void onItemClick(AdapterView<?> parent, View v,
022. int position, long id) {
023.
024. View layout = inflater.inflate(R.layout.custom_full_imagedialog,
025. (ViewGroup) findViewById(R.id.layout_root));
026. ImageView image = (ImageView) layout.findViewById(R.id.fullimage);
027. Toast.makeText(getApplicationContext(),
028. "Your selected : " + ImageList.get(position).toString(), Toast.LENGTH_SHORT).show();
029.
030. }
031. });
032.
033. }
034.
035. private List <String> getSD()
036. {
037. List <String> it = new ArrayList <String>();
038. File f = new File(
039. android.os.Environment.getExternalStorageDirectory()
040. + File.separator + Constance.PHOTO_ALBUM);
041. File[] files = f.listFiles ();
042.
043.
044. for (int i = 0; i <files.length; i++)
045. {
046. File file = files[i];
047. Log.d("Count",file.getPath());
048. it.add (file.getPath());
049. }
050. return it;
051. }
052.
053. public class ImageAdapter extends BaseAdapter
054. {
055. private Context context;
056. private List <String> lis;
057.
058. public ImageAdapter(Context c, List <String> li)
059. {
060.
061. context = c;
062. lis = li;
063. }
064.
065.
066.
067. public int getCount() {
068.
069. return lis.size();
070. }
071.
072. public Object getItem(int position) {
073.
074. return position;
075. }
076.
077. public long getItemId(int position) {
078.
079. return position;
080. }
081.
082. public View getView(int position, View convertView, ViewGroup parent) {
083.
084.
085. LayoutInflater inflater = (LayoutInflater) context
086. .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
087.
088.
089. if (convertView == null) {
090. convertView = inflater.inflate(R.layout.show_image, null);
091. }
092.
093. TextView textView = (TextView) convertView.findViewById(R.id.textView1);
094. String strPath = lis.get(position).toString();
095.
096.
097. String fileName = strPath.substring( strPath.lastIndexOf('/')+1, strPath.length() );
098. textView.setText(fileName);
099.
100.
101. ImageView imageView = (ImageView) convertView.findViewById(R.id.imageView1);
102. Bitmap bm = BitmapFactory.decodeFile(strPath);
103. imageView.setImageBitmap(bm);
104.
105. return convertView;
106.
107. }
