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    <p>You just need to implement MediaScannerConnectionClient in your activity and after that you have to give the exact path of one of the file inside that folder name here as SCAN_PATH and it will scan all the files containing in that folder and open it inside built in gallery. So just give the name of you folder and you will get all the files inside including video. If you want to open only images change <code>FILE_TYPE="image/*"</code></p> <pre><code>public class SlideShow extends Activity implements MediaScannerConnectionClient { public String[] allFiles; private String SCAN_PATH ; private static final String FILE_TYPE = "*/*"; private MediaScannerConnection conn; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); File folder = new File("/sdcard/yourfoldername/"); allFiles = folder.list(); SCAN_PATH=Environment.getExternalStorageDirectory().toString()+"/yourfoldername/"+allFiles[0]; Button scanBtn = (Button) findViewById(R.id.scanBtn); scanBtn.setOnClickListener(new OnClickListener() { public void onClick(View v) { startScan(); } }); } private void startScan() { if(conn!=null) { conn.disconnect(); } conn = new MediaScannerConnection(this, this); conn.connect(); } public void onMediaScannerConnected() { conn.scanFile(SCAN_PATH, FILE_TYPE); } public void onScanCompleted(String path, Uri uri) { try { if (uri != null) { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setData(uri); startActivity(intent); } } finally { conn.disconnect(); conn = null; } } } </code></pre>
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    1. COit will show one image at a time why? like i have 6 images in the folder & if i write allFiles[0] it will show 1 image,then i write allFiles[1] it will show 2 image & so on. But i want to show all the images at one time.
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      1. USAmandeep singh
    2. COyou need gallery aman to show all images at a time this example didnt tell anywhere how to show ur data, it just create an array of string containing path of all the files inside that folder. You can use this array of strings in ur gallary to display ur images.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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