SpannableTextView

Spannable TextView for android, implements SpannableString in xml layout file.

Usage

1. Import from jcenter

   compile 'com.jiakaiyang:spannabletextview:0.9.2'

   ​

2. Add some Span.

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:spannable="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:divider="@drawable/divider"
    android:orientation="vertical"
    android:showDividers="middle"
    tools:context="com.jiakaiyang.spannabletextview.demo.MainActivity">

    <com.jiakaiyang.lib.SpannableTextView
        android:id="@+id/spannable"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World! Hello World!"
        spannable:addAbsoluteSizeSpan="3,4,6,17,25,1"
        spannable:addBackgroundColorSpan="1,8,12,18,#FF00FF00;1,2,5,33,#FFFF00FF"
        spannable:addForegroundColorSpan="2,0,-4,17,#FFFF0000" />

    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World! Hello World!"
        spannable:addAbsoluteSizeSpan="4,4,7,17,25,1"
        spannable:addRelativeSizeSpan="5,9,13,17,2" />


    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:text="Hello World! Click Here!"
        spannable:addURLSpan="6,13,23,17,https://github.com/kaiyangjia/SpannableTextView" />

    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:text="Hello World! Delete This! Add Underline"
        spannable:addStrikethroughSpan="6,13,23,17"
        spannable:addUnderlineSpan="7,0,-13,17" />


    <!--
    public static final int NORMAL = 0;
    public static final int BOLD = 1;
    public static final int ITALIC = 2;
    public static final int BOLD_ITALIC = 3;-->
    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:text="Hello World! BOLD ITALIC! BOLD_ITALIC"
        spannable:addStyleSpan="8,13,17,17,1;9,18,24,17,2;7,0,-11,17,3" />


    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:text="Hello World! X2 Y3"
        spannable:addSubscriptSpan="8,13,14,17;9,16,17,17" />


    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:text="Hello World! X2 Y3"
        spannable:addSuperscriptSpan="8,13,14,17;9,16,17,17" />


    <!-- "monospace", "serif", and "sans-serif" -->
    <com.jiakaiyang.lib.SpannableTextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:text="Hello World! monospace serif sans-serif"
        spannable:addTypefaceSpan="8,13,22,17,monospace;9,23,27,17,serif;9,0,-10,17,sans-serif" />
</LinearLayout>

The screenshot for this xml layout:

3. Remove some Span.

   SpannableTextView textView = findViewById(R.id.spannable);
   textView.removeSpan(1);

4. If you want more, see demo module in this project. Or you can contact with me : kaiyangjia@163.com

   ​

Support Spans

1. BackgroundColorSpan

2. ForegroundColorSpan

3. AbsoluteSizeSpan

4. RelativeSizeSpan

5. StrikethroughSpan

6. UnderlineSpan

7. StyleSpan

8. SubscriptSpan

9. SuperscriptSpan

10. TypefaceSpan

​

Attrs

1. Attrs for SpannableTextView

While you add some span, the attrs will like:

   spannable:addBackgroundColorSpan="1,8,12,12,#FF00FF00/1,2,5,12,#FFFF00FF"

Multi spans attires is split by "/", the args will be used to create Span instance,

   spannable:addBackgroundColorSpan="id,start,end,spanFlag,extraData"

Name	index	Desc
id	0	Span id, every Span should has unique id.
start	1	the start index for this Span, start will always >= 0.
end	2	the end index for this Span, end can < 0, when end is negative, the target will start from the end of the Charsequence.
spanFlag	3	flag for Span Spanned.SPAN_EXCLUSIVE_EXCLUSIVE = 33; Spanned.SPAN_EXCLUSIVE_INCLUSIVE = 34; Spanned.SPAN_INCLUSIVE_EXCLUSIVE = 17; Spanned.SPAN_INCLUSIVE_INCLUSIVE = 18;
extraData	>= 4	extra data for specified Span. Such as BackgroundColorSpan will has backgroundColor in its extraData.

2. Extra Data for Every Support Span

Change Log

0.9.2

1. Add Some other Spans support, such as StrikethroughSpan,StyleSpan,UnderlineSpan etc.
2. This is a stable version.

0.9.1

1. Add very base Spans support, like BackgroundSpan,ForegroundSpan.

   .

TODO

-[ ] Add other Spans support.