Android自定义带拼音音调Textview

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.text.TextPaint;
import android.util.AttributeSet;
import android.widget.TextView;
import com.cgtn.chineselearning.utils.ChineseCharacter2Spell;
import com.cgtn.common.utils.ConvertUtils;
@SuppressLint("AppCompatCustomView")
public class SpellTextView extends TextView {
private String[] pinyin;
private String[] chinese;
private TextPaint textPaintSpell = new TextPaint(Paint.ANTI_ALIAS_FLAG);
private TextPaint textPaintChinese = new TextPaint(Paint.ANTI_ALIAS_FLAG);
private int fontSizeSpell = ConvertUtils.dp2px(12);
private int fontSizeChinese = ConvertUtils.dp2px(12);
private int colorSpell = Color.parseColor("#1b97d6");
private int colorChinese = Color.parseColor("#000000");
public SpellTextView(Context context) {
super(context);
}
public SpellTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public SpellTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initTextPaint();
}
public void initTextPaint() {
float denity = getResources().getDisplayMetrics().density;
textPaintSpell.setStrokeWidth(denity);
textPaintChinese.setStrokeWidth(denity);
textPaintSpell.setTextAlign(Paint.Align.LEFT);
textPaintChinese.setTextAlign(Paint.Align.LEFT);
//设置字体大小
textPaintSpell.setTextSize(fontSizeSpell);
textPaintChinese.setTextSize(fontSizeChinese);
textPaintSpell.setColor(colorSpell);
textPaintChinese.setColor(colorChinese);
}
@Override
protected void onDraw(Canvas canvas) {
float widthMesure = 0f;
int comlum = 1;
float pinyinWidth;
if (pinyin != null && pinyin.length   0) {
for (int index = 0; index < pinyin.length; index++) {
pinyinWidth = widthMesure + textPaintSpell.measureText(pinyin[index]);
if (pinyinWidth   getWidth()) {
comlum++;
widthMesure = 0;
}
canvas.drawText(pinyin[index], widthMesure, (comlum * 2 - 1) * (textPaintChinese.getFontSpacing()), textPaintSpell);
canvas.drawText(chinese[index],
widthMesure + (textPaintSpell.measureText(pinyin[index]) - textPaintChinese.measureText(chinese[index])) / 2,
(comlum * 2) * (textPaintChinese.getFontSpacing()), textPaintChinese);
if (index + 1 < pinyin.length) {
widthMesure = widthMesure + textPaintSpell.measureText(pinyin[index] + 1);
} else {
widthMesure = widthMesure + textPaintSpell.measureText(pinyin[index]);
}
}
}
}
//拼音和汉字的资源
public void setSpellAndChinese(String[] pinYin, String[] chinese) {
this.pinyin = pinYin;
this.chinese = chinese;
}
//设置文字资源
public void setStringResource(String string) {
initTextPaint();
String[] spellArray = ChineseCharacter2Spell.getPinyinString(string);
StringBuilder stringBuilder = new StringBuilder();
for (String s : spellArray){
stringBuilder.append(s);
stringBuilder.append(" ");
}
char[] chars = string.toCharArray();
String[] chineseArray = new String[chars.length];
for (int i = 0; i < chars.length;i++){
chineseArray[i] = String.valueOf(chars[i]);
}
setSpellAndChinese(spellArray,chineseArray);
}
//设置文字颜色
public void setStringColor(int spellColor,int chineseColor) {
textPaintSpell.setColor(spellColor);
textPaintChinese.setColor(chineseColor);
}
//设置文字大小
public void setFontSize(float spellFontSize,float chineseFontSize) {
textPaintSpell.setTextSize(ConvertUtils.dp2px(spellFontSize));
textPaintChinese.setTextSize(ConvertUtils.dp2px(chineseFontSize));
}
}

public static String[] getPinyinString(String character) {
if (character != null && character.length()   0) {
String[] pinyin = new String[character.length()];
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
format.setToneType(HanyuPinyinToneType.WITH_TONE_MARK);
format.setVCharType(HanyuPinyinVCharType.WITH_U_UNICODE);
for (int index = 0; index < character.length(); index++) {
char c = character.charAt(index);
try {
String[] pinyinUnit = PinyinHelper.toHanyuPinyinStringArray(c, format);
if (pinyinUnit == null) {
pinyin[index] = " ";
} else {
pinyin[index] = pinyinUnit[0];
}
} catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) {
badHanyuPinyinOutputFormatCombination.printStackTrace();
}
}
return pinyin;
} else {
return null;
}
}