最近項目需要用到textview爲特定字符設置不同的顏色,如果用不同的控件拼起來的話一行也許沒有問題,但是如果換行的話效果就不理想了就像qq空間回覆品論的效果,暱稱和內容文字顏色不一樣,點擊事件也不一樣。 目前我找到兩張方法,效果一樣。想用哪種看個人喜好
。
1,使用html格式
String html = "看這裏,測試<u>下劃線</u>、<i>斜體字</i>、<font color='red'>紅色字</font>的格式";
tv.setText(Html.fromHtml(html));
怎樣讓TextView也顯示Html中節點的圖像呢?
可以看到fromHtml還有另一個重構:
fromHtml(String source, Html.ImageGetter imageGetter, Html.TagHandler tagHandler)
實現一下ImageGetter就可以讓圖片顯示了
ImageGetter imgGetter = new Html.ImageGetter() {
@Override
public Drawable getDrawable(String source) {
Drawable drawable = null;
drawable = Drawable.createFromPath(source); // Or fetch it from the URL
// Important
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable
.getIntrinsicHeight());
return drawable;
}
};
tv.setText(Html.fromHtml(html, imgGetter, null));
2.使用SpannableString
tv.setText(getSpan());
tv.setHighlightColor(Color.TRANSPARENT);//去掉點擊效果
tv.setMovementMethod(LinkMovementMethod.getInstance());//這句話必須有,
private SpannableString getSpan(){
final View.OnClickListener l=new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent =new Intent(MainActivity.this,WebViewActivity.class);
intent.putExtra("url", "http://www.caiyanlicai.com/app/H5/privacy.html");
startActivity(intent);
overridePendingTransition(R.drawable.push_left_in,R.drawable.push_left_out);
}
};
final View.OnClickListener l2=new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent =new Intent(MainActivity.this,WebViewActivity.class);
intent.putExtra("url", "http://www.caiyanlicai.com/app/H5/agreement.html");
startActivity(intent);
overridePendingTransition(R.drawable.push_left_in,R.drawable.push_left_out);
}
};
String one="瞬間爆炸";
String two="完成單殺";
String and=" 和 ";
SpannableString spnableInfo=new SpannableString(one+and+two);
int start=one.length()+and.length();
int end=one.length()+two.length()+and.length();
int start2=0;
int end2=one.length();
spnableInfo.setSpan(new ClickableSpan() {
@Override
public void updateDrawState(TextPaint ds) {
// TODO Auto-generated method stub
super.updateDrawState(ds);
ds.setUnderlineText(false);//去掉下劃線
}
@Override
public void onClick(View widget) {
// TODO Auto-generated method stub
l.onClick(widget);
}
}, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
spnableInfo.setSpan(new ForegroundColorSpan(Color.parseColor("#007aff")), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
spnableInfo.setSpan(new ClickableSpan() {
@Override
public void updateDrawState(TextPaint ds) {
// TODO Auto-generated method stub
super.updateDrawState(ds);
ds.setUnderlineText(false);
}
@Override
public void onClick(View widget) {
// TODO Auto-generated method stub
l2.onClick(widget);
}
}, start2, end2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
spnableInfo.setSpan(new ForegroundColorSpan(Color.parseColor("#007aff")), start2, end2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
return spnableInfo;
}