Android ListView 中的自定义字体

Question

我在整个应用程序中使用自定义字体（顺便说一句，我令人沮丧地发现您必须以编程方式手动应用到每个控件！），并且我需要将其应用到列表视图。问题是我看不到在哪里将列表字体中使用的文本视图设置为我的自定义字体（因为我从未实例化它 - 这都是由适配器处理的）。

我理想的情况是能够使用这样的适配器：

new ArrayAdapter(Context context, TextView textView, List<T> objects)

这样我就可以在填充我的列表之前执行 textView.setTypeface 。有谁知道是否有办法按照这些方式做一些事情？

Answer 1

如果您不想创建新类，则可以在创建适配器时重写 getView 方法，这是一个带有标题和副标题的简单适配器的示例：

Typeface typeBold = Typeface.createFromAsset(getAssets(),"fonts/helveticabold.ttf");
Typeface typeNormal = Typeface.createFromAsset(getAssets(), "fonts/helvetica.ttf");

SimpleAdapter adapter = new SimpleAdapter(this, items,R.layout.yourLvLayout, new String[]{"title",
    "subtitle" }, new int[] { R.id.rowTitle,
    R.id.rowSubtitle }){
            @Override
        public View getView(int pos, View convertView, ViewGroup parent){
            View v = convertView;
            if(v== null){
                LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                v=vi.inflate(R.layout.yourLvLayout, null);
            }
            TextView tv = (TextView)v.findViewById(R.id.rowTitle);
            tv.setText(items.get(pos).get("title"));
            tv.setTypeface(typeBold);
            TextView tvs = (TextView)v.findViewById(R.id.rowSubtitle);
            tvs.setText(items.get(pos).get("subtitle"));
            tvs.setTypeface(typeNormal);
            return v;
        }


};
listView.setAdapter(adapter);

其中 items 是您的地图 ArrayList

希望有所帮助

Answer 2

您不能这样做，因为您传递给 ArrayAdapter 的文本视图资源在每次使用时都会膨胀。

您需要创建自己的适配器并提供自己的视图。

您的适配器的一个示例可以是

public class MyAdapter extends BaseAdapter {

private List<Object>        objects; // obviously don't use object, use whatever you really want
private final Context   context;

public CamAdapter(Context context, List<Object> objects) {
    this.context = context;
    this.objects = objects;
}

@Override
public int getCount() {
    return objects.size();
}

@Override
public Object getItem(int position) {
    return objects.get(position);
}

@Override
public long getItemId(int position) {
    return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {

    Object obj = objects.get(position);

    TextView tv = new TextView(context);
    tv.setText(obj.toString()); // use whatever method you want for the label
    // set whatever typeface you want here as well
    return tv;
}

}

然后您可以将其设置为这样

ListView lv = new ListView(this);
lv.setAdapter(new MyAdapter(objs));

希望这应该能让您继续下去。

Answer 3

看起来构造函数是错误的，

将其更改为：

public MyAdapter (Context context, List<Object> objects) {
    this.context = context;
    this.objects = objects;
}

它对我来说效果很好。

Answer 4

对 arrayadapters 尝试这样::

Typeface typeNormal = Typeface.createFromAsset(getAssets(), "roboto_lite.ttf");

timearray = new ArrayAdapter<String>(DetailsActivity.this,R.layout.floorrow,R.id.txt, flor) {
    public View getView(int pos, View convertView, android.view.ViewGroup parent) {
        View v = convertView;
        if (v == null) {
            LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            v = vi.inflate(R.layout.floorrow, null);
        }
        TextView tv = (TextView)v.findViewById(R.id.txt);
        tv.setText(flor.get(pos));
        tv.setTypeface(typeNormal);
        return v;
    }; 
};

lv_building.setAdapter(timearray);

Answer 5

除了 Moisés Olmedo 的回应之外 - 不创建新类的替代变体：

    tf = Typeface.createFromAsset(getAssets(), fontPath);

    recordsAdapter = new SimpleCursorAdapter(this, R.layout.item1, cursor, from, to);

    recordsAdapter.setViewBinder(new SimpleCursorAdapter.ViewBinder() {
        public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
            if (columnIndex == 1) {
                final TextView tv = (TextView) view;
                tv.setTypeface(tf);
            }
            return false;
        }
    });

Answer 6

首先将字体文件复制并粘贴到 asset/fonts 文件夹中。
然后识别文本视图。

    Typeface font=Typeface.createFromAsset(activity.getAssets(), "fonts/<font_file_name>.ttf");
    holder.text.setTypeface(font);
    holder.text.setText("your string variable here");

Answer 7

您可以像下面的步骤一样设置基本适配器可能会帮助您

通过 TypeFace 方法定义您的基本适配器

public class LessonAdapter extends BaseAdapter {

    private Context mContext;

    public LessonAdapter(Context mContext, ArrayList<String> titles) {
        super();
        this.mContext = mContext;
    }

    public int getCount() {
        // TODO Auto-generated method stub
        if (titles!=null)
            return titles.size();
        else
            return 0;
    }

    public Object getItem(int arg0) {
        // TODO Auto-generated method stub
        return null;
    }

    public long getItemId(int arg0) {
        // TODO Auto-generated method stub
        return 0;
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        LayoutInflater inflater = (LayoutInflater) mContext
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View v = convertView;
        try
        {
            if (v == null) {
                v = inflater.inflate(R.layout.lesson_item, null);
            }
                TextView title = (TextView) v.findViewById(R.id.title);

                Typeface tf = Typeface.createFromAsset(getAssets(),
                        "fonts/Rabiat_3.ttf");
                title.setTypeface(tf);

                title.setText(titles.get(position).toString());     

        }
        catch (Exception e) {
            Log.d("searchTest", e.getMessage());
        }

        return v;
    }

}

您可以通过在资产中添加文件夹“字体”来设置字体，然后在“字体”文件夹中添加您的字体

，然后设置您的适配器

adapter = new LessonAdapter(LessonsTitle.this, titles);
    setListAdapter(adapter);

Answer 8

holder.txt_name.setTypeface(Typeface.createFromAsset(activity.getAssets(), "font/nasimbold.ttf"));