出现了什么问题?

private final SpannableStringBuilder mSpannableStringBuilder = new SpannableStringBuilder();Typeface   mCustomFont = Typeface.createFromAsset(getActivity().getAssets(), "fonts/DIN Alternate Bold.ttf");mSpannableStringBuilder.setSpan(mCustomFont , 0, mSpannableStringBuilder.toString().indexOf(Constants.N), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);textView.setText(mSpannableStringBuilder);

设置字体无效,还是原生的字体

解决办法

自定义一个字体的类

public class CustomTypefaceSpan extends TypefaceSpan {    private final Typeface newType;    public CustomTypefaceSpan(String family, Typeface type) {        super(family);        newType = type;    }    @Override    public void updateDrawState(TextPaint ds) {        applyCustomTypeFace(ds, newType);    }    @Override    public void updateMeasureState(TextPaint paint) {        applyCustomTypeFace(paint, newType);    }    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);    }}

然后设置字体的方法变化一下

private final SpannableStringBuilder mSpannableStringBuilder = new SpannableStringBuilder();Typeface   mCustomFont = Typeface.createFromAsset(getActivity().getAssets(), "fonts/DIN Alternate Bold.ttf");// mCustomFont-->>new CustomTypefaceSpan(textView.getText().toString()mSpannableStringBuilder.setSpan(new CustomTypefaceSpan(textView.getText().toString(),mCustomFont), 0, mSpannableStringBuilder.toString().indexOf(Constants.N), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);textView.setText(mSpannableStringBuilder);

android SpannableStringBuilder设置自定义字体

出现了什么问题?

解决办法

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