android - 如何更改 PopupMenu 项目的字体

Question

我想更改 PopupMenu 项的默认字体，并为它们使用我的自定义字体。

这是我用来创建 PopupMenu 的代码:

PopupMenu pm = new PopupMenu(this, v);
getMenuInflater().inflate(R.menu.main, pm.getMenu());
pm.show();

和菜单项:

<menu xmlns:android="http://schemas.android.com/apk/res/android" >
    <item
        android:id="@+id/Setting"
        android:title="Setting"/>
    <item
        android:id="@+id/About"
        android:title="About"/>
    <item
        android:id="@+id/Help"
        android:title="Help"/>
</menu>

如果您能与我分享您的建议，我将非常感激:-)

问候

Answer 1

检查我的相同问题的解决方案:

弹出菜单方法:

 private void showEditPopupWindow(Context mContext) {
        PopupMenu popupMenu = new PopupMenu(mContext, view);
        popupMenu.getMenuInflater().inflate(R.menu.YOUR_MENU, popupMenu.getMenu());
        popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem item) {
                if (item.getItemId() == R.id.delete) {
                  //  Do your stuffs;
                } else {
                  //  Do your stuffs
                }
                return true;
            }
        });

        Menu menu = popupMenu.getMenu();
        for (int i = 0; i < menu.size(); i++) {
            MenuItem mi = menu.getItem(i);
            applyFontToMenuItem(mi);
        }

    }

在这个方法中应用你的字体，你也可以改变字体的颜色:

private void applyFontToMenuItem(MenuItem mi) {
        Typeface font = Typeface.createFromAsset(mContext.getAssets(), "fonts/YOUR_FONT.ttf");
        SpannableString mNewTitle = new SpannableString(mi.getTitle());
        mNewTitle.setSpan(new CustomTypeFaceSpan("", font,Color.WHITE), 0, mNewTitle.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
        mi.setTitle(mNewTitle);
    }

CustomTypeFaceSpan 类:

    public class CustomTypeFaceSpan extends TypefaceSpan {

    private final Typeface newType;
    private final int mColor;

    public CustomTypeFaceSpan(String family, Typeface type, @ColorInt int color) {

        super(family);
        newType = type;
        mColor = color;
    }

    @Override
    public void updateDrawState(TextPaint ds) {
        ds.setColor(mColor);
        applyCustomTypeFace(ds, newType);
    }

    @Override
    public void updateMeasureState(TextPaint paint) {
        applyCustomTypeFace(paint, newType);
    }

    @Override
    public int getSpanTypeId() {
        return super.getSpanTypeId();
    }

    @ColorInt
    public int getForegroundColor() {
        return mColor;
    }




    private static void applyCustomTypeFace(Paint paint, Typeface tf) {
        int oldStyle;
        Typeface old = paint.getTypeface();
        if (old == null) {
            oldStyle = 0;
        } else {
            oldStyle = old.getStyle();
        }

        int fake = oldStyle & ~tf.getStyle();
        if ((fake & Typeface.BOLD) != 0) {
            paint.setFakeBoldText(true);
        }

        if ((fake & Typeface.ITALIC) != 0) {
            paint.setTextSkewX(-0.25f);
        }

        paint.setTypeface(tf);
    }
}