TextView 多文字字体颜色及多事件监听
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TextView 多文字字体颜色及多事件监听
小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
像微信朋友圈點贊功能如:張三、李四、王五、這種格式
最早做法是在layout中創建一個父類容器如linearlayout然后在創建一個子layout,在代碼中 通過for循環addView添加到父類容器當中,雖然可以實現效果但是這樣無形中會增加很多view控件。
通過SpannableStringBuilder只通過一個textview就可以實現上面的效果。
InvitationLike userLike; SpannableStringBuilder builder = new SpannableStringBuilder();SpannableString spannableString;for(int i=0;i<userLikeList.size();i++){userLike=userLikeList.get(i); String strUserName="、"+userLike.getUsername(); spannableString = new SpannableString(strUserName);spannableString.setSpan(likeTextViewCliceSpan(userLike), 0, spannableString.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);builder.append(spannableString);} txtUserName.setText(builder.subSequence(1, builder.length()));txtUserName.setMovementMethod(LinkMovementMethod.getInstance());likeTextViewCliceSpan是事件方法
private ClickableSpan likeTextViewCliceSpan(final InvitationLike user_like){ClickableSpan clickableSpan=new ClickableSpan() {@Overridepublic void onClick(View widget) {StartPace(user_like.getUtid(),user_like.getUid(),user_like.getUsername());}@Overridepublic void updateDrawState(@NonNull TextPaint ds) {super.updateDrawState(ds);//根據自己情況設置相應字體顏色ds.setColor(mContext.getResources().getColor(R.color.broadcast_list_name));ds.setUnderlineText(false);ds.clearShadowLayer();} };return clickableSpan;}同理微信中的回復功能也一樣實現通過一個textview實現,如果實用多個textview就很難保證字體對齊方式。
微信回復格式
李四回復張三:謝謝
張三:不錯啊
這個樣式父類必須創建一人上layout,因為有多行,每行是一個textview控件,textviewClickSpan也是事件方法和上面基本一樣這里就是粘貼了
private void userCommentList(final int index,LinearLayout linearLike, final List<NewCommentModel> commentList){linearLike.removeAllViews();NewCommentModel commentModel;for(int i=0;i<commentList.size();i++){commentModel=commentList.get(i); View view=LayoutInflater.from(mContext).inflate(R.layout.view_userlike_txtname,new LinearLayout(mContext));final CustomTextView txt_commentContent=(CustomTextView)view.findViewById(R.id.txt_username); ForegroundColorSpan replySpan = new ForegroundColorSpan(mContext.getResources().getColor(R.color.login_font));ForegroundColorSpan contentSpan = new ForegroundColorSpan(mContext.getResources().getColor(R.color.login_font));SpannableStringBuilder builder = new SpannableStringBuilder();SpannableString fromSpannable,spannableReply,toSpannable,contentSpannable;if(TextUtils.isEmpty(commentModel.getTousername())){ fromSpannable = new SpannableString(commentModel.getFromusername()+": ");fromSpannable.setSpan(textviewClickSpan(false,commentModel), 0, fromSpannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);builder.append(fromSpannable);}else{ fromSpannable = new SpannableString(commentModel.getFromusername());fromSpannable.setSpan(textviewClickSpan(false,commentModel), 0, fromSpannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);builder.append(fromSpannable);spannableReply=new SpannableString(mContext.getResources().getString(R.string.etxt_reply_hit));spannableReply.setSpan(replySpan, 0, spannableReply.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);builder.append(spannableReply);toSpannable = new SpannableString(commentModel.getTousername()+": ");toSpannable.setSpan(textviewClickSpan(true,commentModel), 0, toSpannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);builder.append(toSpannable); }contentSpannable = new SpannableString(commentModel.getContent());contentSpannable.setSpan(contentSpan, 0, contentSpannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);builder.append(contentSpannable);txt_commentContent.setText(builder);txt_commentContent.setMovementMethod(LinkMovementMethod.getInstance());linearLike.addView(view);} }?
轉載于:https://www.cnblogs.com/freexiaoyu/p/4604027.html
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