gistfile1.java

    private void showDialog() {
	final AlertDialog dlg = new AlertDialog.Builder(this).setTitle(
	    R.string.pref_music_root).setMultiChoiceItems(
	    (String[]) mNames.toArray(new String[0]), mSelected,
	    new OnMultiChoiceClickListener() {
		@Override
		public void onClick(DialogInterface arg0, int arg1, boolean arg2) {
		    mSelected[arg1] = arg2;
		}
	    }).setPositiveButton(android.R.string.ok, new OnClickListener() {
	    @Override
	    public void onClick(DialogInterface arg0, int arg1) {
		for (boolean b : mSelected)
		    if (b) {
			String r = "";
			for (int i = 0; i < mSelected.length; i++)
			    if (mSelected[i])
				r += ";" + mPaths.get(i);
			r = r.substring(1);
			Util.getPreference(FirstRunActivity.this).edit()
			    .putString("music_root", r).commit();

			PlayerClient.bind(FirstRunActivity.this);
			return;
		    }
		FirstRunActivity.this.runOnUiThread(new Runnable() {
		    @Override
		    public void run() {
			showDialog();
		    }
		});
	    }
	}).create();
	dlg.show();

	Util.checkLicense(this, true);
    }