import org.fedorahosted.freeotp.Token.TokenUriInvalidException; //导入依赖的package包/类
public Token get(int position) {
    String key = getTokenOrder().get(position);
    String str = prefs.getString(key, null);

    try {
        return gson.fromJson(str, Token.class);
    } catch (JsonSyntaxException jse) {
        // Backwards compatibility for URL-based persistence.
        try {
            return new Token(str, true);
        } catch (TokenUriInvalidException tuie) {
            tuie.printStackTrace();
        }
    }

    return null;
}
 

import org.fedorahosted.freeotp.Token.TokenUriInvalidException; //导入依赖的package包/类
public static Token addWithToast(Context ctx, String uri) {
    try {
        Token token = new Token(uri);
        new TokenPersistence(ctx).add(token);
        return token;
    } catch (TokenUriInvalidException e) {
        Toast.makeText(ctx, R.string.invalid_token, Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }

    return null;
}
 

import org.fedorahosted.freeotp.Token.TokenUriInvalidException; //导入依赖的package包/类
public void add(Token token) throws TokenUriInvalidException {
    String key = token.getID();

    if (prefs.contains(key))
        return;

    List<String> order = getTokenOrder();
    order.add(0, key);
    setTokenOrder(order).putString(key, gson.toJson(token)).apply();
}
 

import org.fedorahosted.freeotp.Token.TokenUriInvalidException; //导入依赖的package包/类
public void add(String uri) throws TokenUriInvalidException {
    Token token = new Token(uri, false);
    String key = token.getID();

    if (prefs.contains(key))
        return;

    List<String> order = getTokenOrder();
    order.add(0, key);
    setTokenOrder(order).putString(key, token.toString()).apply();
}
 

import org.fedorahosted.freeotp.Token.TokenUriInvalidException; //导入依赖的package包/类
protected void onTokenURI(String uri) {
    try {
        if (uri != null)
            new TokenPersistence(this).add(uri);
    } catch (TokenUriInvalidException e) {
        Toast.makeText(this, R.string.invalid_token, Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }
}