android intent使用定义标题

private void startWallpaper() {
showWorkspace(true);
final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER);
Intent chooser = Intent.createChooser(pickWallpaper, getText(R.string.chooser_wallpaper));
// NOTE: Adds a configure option to the chooser if the wallpaper supports it
startActivityForResult(chooser, REQUEST_PICK_WALLPAPER);
}