read file from assets

Question

public class Utils {
    public static List getMessages() {
        //File file = new File(\"file:///android_asset/helloworld.txt\");
        AssetMan         


        

Answer 1

You can load the content from the file. Consider the file is present in asset folder.

public static InputStream loadInputStreamFromAssetFile(Context context, String fileName){
    AssetManager am = context.getAssets();
    try {
        InputStream is = am.open(fileName);
        return is;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

public static String loadContentFromFile(Context context, String path){
    String content = null;
    try {
        InputStream is = loadInputStreamFromAssetFile(context, path);
        int size = is.available();
        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();
        content = new String(buffer, "UTF-8");
    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    }
    return content;
}

Now you can get the content by calling the function as follow

String json= FileUtil.loadContentFromFile(context, "data.json");

Considering the data.json is stored at Application\app\src\main\assets\data.json