Support some of the key words can be clicked with the underline TextView

    <declare-styleable name="AutoLinkStyleTextView">
        <attr name="AutoLinkStyleTextView_text_value" format="string|reference"/>//key word with color and underline, and split with ','(en)
        <attr name="AutoLinkStyleTextView_default_color" format="color|reference"/>//word and underline's color
        <attr name="AutoLinkStyleTextView_has_under_line" format="boolean"/>//underline with true and false
    </declare-styleable>
 

use, for example:

    <xx.AutoLinkStyleTextView
        android:id="@+id/tv_clause"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="我已核對付款金額，仔細閱讀並同意“購買須知”及約克論壇團購“使用者條款”"
        android:textSize="16sp"
        app:AutoLinkStyleTextView_text_value="“購買須知”,“使用者條款”"
        />
 

    autoLinkStyleTextView.setOnClickCallBack(new AutoLinkStyleTextView.ClickCallBack() {
        @Override
        public void onClick(int position) {
            if (position == 0) {
                Toast.makeText(MainActivity.this, "購買須知", Toast.LENGTH_SHORT).show();
            } else if (position == 1) {
                Toast.makeText(MainActivity.this, "使用者條款", Toast.LENGTH_SHORT).show();
            }
        }
     });