TextView url 识别，Spannable 使用 电话 网址 邮件

首先看一个链接文本执行流程的大概示意图





看了这个流程应该对大概URL, Email等的链接实现有所了解了，所以直接看代码把

TextViewview1=(TextView)findViewById(R.id.view1);
TextViewview2=(TextView)findViewById(R.id.view2);
TextViewview3=(TextView)findViewById(R.id.view3);
TextViewview4=(TextView)findViewById(R.id.view4);
TextViewview5=(TextView)findViewById(R.id.view5);
TextViewview6=(TextView)findViewById(R.id.view6);

SpannableStringtext1=newSpannableString("red");
text1.setSpan(newForegroundColorSpan(Color.RED),0,3,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view1.setText(text1);

SpannableStringtext2=newSpannableString("green");
text2.setSpan(newBackgroundColorSpan(Color.GREEN),0,5,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view2.setText(text2);

SpannableStringtext3=newSpannableString("iambold");
text3.setSpan(newStyleSpan(Typeface.BOLD_ITALIC),5,9,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view3.setText(text3);

SpannableStringtext4=newSpannableString("underline");
text4.setSpan(newUnderlineSpan(),0,9,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view4.setText(text4);

SpannableStringtext5=newSpannableString("deleteline");
text5.setSpan(newStrikethroughSpan(),7,11,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view5.setText(text5);

SpannableStringtext6=newSpannableString("makeacall");
text6.setSpan(newURLSpan("tel:[phone]"),7,11,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view6.setText(text6);
view6.setMovementMethod(LinkMovementMethod.getInstance());

//还有ImageSpan等

XML布局文件

<?xmlversion="1.0"encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schem<wbr>as.android.c<wbr>om/apk/res/a<wbr>ndroid</wbr></wbr></wbr>"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
>
<TextView
android:id="@+id/view1"
android:layout_width="wrap_content"
android:layout_height="50sp"
android:gravity="center"
/>
<TextView
android:id="@+id/view2"
android:layout_width="wrap_content"
android:layout_height="50sp"
android:gravity="center"
/>
<TextView
android:id="@+id/view3"
android:layout_width="wrap_content"
android:layout_height="50sp"
android:gravity="center"
/>
<TextView
android:id="@+id/view4"
android:layout_width="wrap_content"
android:layout_height="50sp"
android:gravity="center"
/>
<TextView
android:id="@+id/view5"
android:layout_width="wrap_content"
android:layout_height="50sp"
android:gravity="center"
/>
<TextView
android:id="@+id/view6"
android:layout_width="wrap_content"
android:layout_height="50sp"
android:gravity="center"
/>
</LinearLayout>

默认的链接在点击时，只会跳转到响应的View，如点击URL时，打开浏览器，点击电话号码时，打开拨号界面。 如果我们要在点击某连接时，跳转到某个Activity呢。

URLSpan继承自ClickableSpan，所以我们的出发点也是这个类，然后重写其中的onClick

publicclassIntentSpanextendsClickableSpanimplementsParcelableSpan{
privateIntentmIntent;

publicIntentSpan(IntenttoActivity){
mIntent=toActivity;
}

@Override
publicvoidonClick(ViewsourceView){
Contextcontext=sourceView.getContext();
context.startActivity(mIntent);
}

@Override
publicintgetSpanTypeId(){
return100;
}

@Override
publicintdescribeContents(){
return0;
}

@Override
publicvoidwriteToParcel(Parceldest,intflag){
//don'twritetoparcel
}

publicIntentgetIntent(){
returnmIntent;
}
}

使用的话和URLSpan差不多

SpannableStringtext6=newSpannableString("makeacall");
Intentintent=newIntent(context,SomActivity.class);
text6.setSpan(newIntentSpan(intent),7,11,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
view6.setText(text6);
view6.setMovementMethod(LinkMovementMethod.getInstance());