单TextView中多字体 [英] Multiple TypeFace in single TextView

问题描述

我想设置的TextView 的第一个字符用字体，第二个字符与不同类型的脸等等。
我读到这个例子：

  Spannable STR =（Spannable）textView.getText（）;
str.setSpan（新StyleSpan（android.graphics.Typeface.ITALIC），0，7
                             ，Spannable.SPAN_EXCLUSIVE_EXCLUSIVE）;
 

但它并不能帮助我，因为我要设置多个字体（外部专题信托基金）
任何想法??

解决方案

使用下列code：（我用孟加拉语和泰米尔语字体）

  TextView的TXT =（TextView中）findViewById（R.id.custom_fonts）;
        txt.setTextSize（30）;
        字体的字体= Typeface.createFromAsset（getAssets（），Akshar.ttf）;
        字体font2 = Typeface.createFromAsset（getAssets（），bangla.ttf）;
        SpannableStringBuilder SS =新SpannableStringBuilder（আমারநல்வரவு）;
        SS.setSpan（新CustomTypefaceSpan（，font2），0，4，Spanned.SPAN_EXCLUSIVE_INCLUSIVE）;
        SS.setSpan（新CustomTypefaceSpan（，字体），4，11，Spanned.SPAN_EXCLUSIVE_INCLUSIVE）;
        txt.setText（SS）;
 

---

的结果是：

---

CustomTypefaceSpan类：

 包my.app;
进口android.graphics.Paint;
进口android.graphics.Typeface;
进口android.text.TextPaint;
进口android.text.style.TypefaceSpan;

公共类CustomTypefaceSpan扩展TypefaceSpan {

私人最终字样NEWTYPE;

公共CustomTypefaceSpan（字符串的家庭，字体类型）{
    超（家庭）;
    NEWTYPE =类型;
}

@覆盖
公共无效updateDrawState（TextPaint DS）{
    applyCustomTypeFace（DS，NEWTYPE）;
}

@覆盖
公共无效updateMeasureState（TextPaint漆）{
    applyCustomTypeFace（油漆，NEWTYPE）;
}

私有静态无效applyCustomTypeFace（油漆涂料，字体TF）{
    INT旧式;
    字样旧= paint.getTypeface（）;
    如果（旧== NULL）{
        旧式= 0;
    } 其他 {
        旧式= old.getStyle（）;
    }

    INT假=旧式和放大器; 〜tf.getStyle（）;
    如果（（假＆安培;！Typeface.BOLD）= 0）{
        paint.setFakeBoldText（真正的）;
    }

    如果（（假＆安培;！Typeface.ITALIC）= 0）{
        paint.setTextSkewX（-0.25f）;
    }

    paint.setTypeface（TF）;
}
}
 

---

<一个href="http://stackoverflow.com/questions/4819049/how-can-i-use-typefacespan-or-stylespan-with-custom-typeface">Reference

I want to set the first character on TextView with a TypeFace and the second character with a different Type face and so on.
I read this example:

Spannable str = (Spannable) textView.getText();
str.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), 0, 7  
                             ,Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

but it didn't help me, because I want to set multiple TypeFace (external TTFs)
Any idea??

解决方案

Use the following code:(I'm using Bangla and Tamil font)

  TextView txt = (TextView) findViewById(R.id.custom_fonts);  
        txt.setTextSize(30);
        Typeface font = Typeface.createFromAsset(getAssets(), "Akshar.ttf");
        Typeface font2 = Typeface.createFromAsset(getAssets(), "bangla.ttf");   
        SpannableStringBuilder SS = new SpannableStringBuilder("আমারநல்வரவு");
        SS.setSpan (new CustomTypefaceSpan("", font2), 0, 4,Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
        SS.setSpan (new CustomTypefaceSpan("", font), 4, 11,Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
        txt.setText(SS);

---

The outcome is:

---

CustomTypefaceSpan Class:

package my.app;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.text.TextPaint;
import android.text.style.TypefaceSpan;

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);
}
}

---

Reference

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