ID found by Resource Name

The following code loads wallpaper in wallpaperchooser. Java,

1. Write the image name to R. array. wallpaper and save the name list of a wallpaper.

2. After the wallpaper name list is taken out, use

Stirng packagename = res. getresourcepackagename (R. array. Wallpaper), get packagename

Int id = res. getidentifiier (name, "drawable", packagename); get the id value

 private void findWallpapers() {        mThumbs = new ArrayList<Integer>(24);        mImages = new ArrayList<Integer>(24);        final Resources resources = getResources();        // Context.getPackageName() may return the "original" package name,        // com.android.launcher2; Resources needs the real package name,        // com.android.launcher. So we ask Resources for what it thinks the        // package name should be.        final String packageName = resources.getResourcePackageName(R.array.wallpapers);        addWallpapers(resources, packageName, R.array.wallpapers);        addWallpapers(resources, packageName, R.array.extra_wallpapers);    }    private void addWallpapers(Resources resources, String packageName, int list) {        final String[] extras = resources.getStringArray(list);        for (String extra : extras) {            int res = resources.getIdentifier(extra, "drawable", packageName);            if (res != 0) {                final int thumbRes = resources.getIdentifier(extra + "_small",                        "drawable", packageName);                if (thumbRes != 0) {                    mThumbs.add(thumbRes);                    mImages.add(res);                    // Log.d(TAG, "addWallpapers: [" + packageName + "]: " + extra + " (" + res + ")");                }            }        }    }