hi. i can not view any image in my emulator screen can anyone please tell me where i am doing wrong in my code.
this is my code <?xml version="1.0" encoding="utf-8"?> < manifest xmlns:android="http://schemas.android.com/apk/res/android" package="image.Thumbnails" android:versionCode="1" android:versionName="1.0.0"> < uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> < application android:icon="@drawable/icon" android:label="@string/app_name"> < activity android:name=".ImageThumbnailsActivity" android:label="@string/app_name"> < intent-filter> < action android:name="android.intent.action.MAIN" /> < category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> < activity android:name=".ViewImage"> < intent-filter> < action android:name="android.intent.action.VIEW" /> < category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity> </application> </manifest> package image.Thumbnails; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.provider.MediaStore; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.AdapterView.OnItemClickListener; public class ImageThumbnailsActivity extends Activity { /** Called when the activity is first created. */ private Cursor imagecursor, actualimagecursor; private int image_column_index, actual_image_column_index; GridView imagegrid; private int count; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); init_phone_image_grid(); } private void init_phone_image_grid() { String[] img = { MediaStore.Images.Thumbnails._ID }; imagecursor = managedQuery( MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, img, null, null, MediaStore.Images.Thumbnails.IMAGE_ID + ""); image_column_index = imagecursor .getColumnIndexOrThrow(MediaStore.Images.Thumbnails._ID); count = imagecursor.getCount(); imagegrid = (GridView) findViewById(R.id.PhoneImageGrid); imagegrid.setAdapter(new ImageAdapter(getApplicationContext ())); imagegrid.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView parent, View v, int position, long id) { System.gc(); String[] proj = { MediaStore.Images.Media.DATA }; actualimagecursor = managedQuery( MediaStore.Images.Media.EXTERNAL_CONTENT_URI, proj, null, null, null); actual_image_column_index = actualimagecursor .getColumnIndexOrThrow(MediaStore.Images.Media.DATA); actualimagecursor.moveToPosition(position); String i = actualimagecursor.getString (actual_image_column_index); System.gc(); Intent intent = new Intent (getApplicationContext(), ViewImage.class); intent.putExtra("filename", i); startActivity(intent); } }); } public class ImageAdapter extends BaseAdapter { private Context mContext; public ImageAdapter(Context c) { mContext = c; } public int getCount() { return count; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position,View convertView,ViewGroup parent) { System.gc(); ImageView i = new ImageView (mContext.getApplicationContext()); if (convertView == null) { imagecursor.moveToPosition(position); int id = imagecursor.getInt (image_column_index); i.setImageURI(Uri.withAppendedPath( MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, "" + id)); i.setScaleType (ImageView.ScaleType.CENTER_CROP); i.setLayoutParams(new GridView.LayoutParams (92, 92)); } else { i = (ImageView) convertView; } return i; } } } // By selecting the thumbnails user can view the actual image. package image.Thumbnails; import android.os.Bundle; import android.widget.ImageView; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; public class ViewImage extends Activity { private String filename; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); System.gc(); Intent i = getIntent(); Bundle extras = i.getExtras(); BitmapFactory.Options bfo = new BitmapFactory.Options(); bfo.inSampleSize = 2; filename = extras.getString("filename"); ImageView iv = new ImageView(getApplicationContext()); Bitmap bm = BitmapFactory.decodeFile(filename, bfo); iv.setImageBitmap(bm); setContentView(iv); } } --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---