android textview 自动链接因特网址 修改默认点击事件

android textview 自动链接网址 修改默认点击事件
1 修改XML文件即可，android:autoLink="web"
[code=xml"]
<TextView
        android:id="@+id/text_view"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:autoLink="all"
        android:text="@string/hello" />

autoLink有好几种类型:web phone all等。

2 修改链接的默认点击事件

public class HtmlAllTestActivity extends Activity{private TextView tv;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);this.tv = (TextView)findViewById(R.id.text_view);CharSequence text = tv.getText();if (text instanceof Spannable) {int end = text.length();Spannable sp = (Spannable) tv.getText();URLSpan[] urls = sp.getSpans(0, end, URLSpan.class);SpannableStringBuilder style = new SpannableStringBuilder(text);style.clearSpans();// should clear old spansfor (URLSpan url : urls) {MyURLSpan myURLSpan = new MyURLSpan(url.getURL());style.setSpan(myURLSpan, sp.getSpanStart(url), sp.getSpanEnd(url), Spannable.SPAN_EXCLUSIVE_INCLUSIVE);}tv.setText(style);}}private  class MyURLSpan extends ClickableSpan {private String mUrl;MyURLSpan(String url) {mUrl = url;}@Overridepublic void onClick(View widget) {Toast.makeText(HtmlAllTestActivity.this, mUrl, Toast.LENGTH_LONG).show();widget.setBackgroundColor(Color.parseColor("#00000000"));}}}