List all apk files present in exernal directory

The following code will list all the .apk files present in your external directory and ask us to install in the device.


public class ListApkActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        ExtFilter apkFilter = new ExtFilter("apk");
        File file[] = Environment.getExternalStorageDirectory().listFiles(apkFilter);
        Log.d("InstallApk", "Filter applied. Size: "+ file.length);

        for (int i=0; i < file.length; i++)
        {
            Log.d("InstallApk", "FileName:" + file[i].getName());
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.setDataAndType(Uri.fromFile(file[i]),  
    "application/vnd.android.package-archive");
            startActivity(intent);
        }
    }

    class ExtFilter implements FilenameFilter {  // class which list all the files having .apk extension
        String ext;
        public ExtFilter(String ext) {
            this.ext = "." + ext;
        }
        public boolean accept(File dir, String name) {
            return name.endsWith(ext);
        }
    }
    }