Android Note: TextView and edit boxes add pictures, Imagespan,spannablestringbuilder usage

To add a picture to the TextView or edit box EditText, the code is as follows:

Import java.util.regex.matcher;import java.util.regex.pattern;import android.os.bundle;import  android.app.Activity;import android.text.Spannable;import android.text.SpannableStringBuilder; import android.text.style.imagespan;import android.widget.edittext;import  android.widget.textview;public class mainactivity extends activity{          @Override     protected void oncreate (bundle  Savedinstancestate)     {        super.oncreate ( Savedinstancestate);         setcontentview (R.layout.activity_main);                 TextView  tv =  (TextView)  findviewbyid (r.id.tv);         string  str =  "sdfasd★fasljeojg★fad  Falsdkjf★asjdkf alsdj★foawpjf sajfadsjf ladjfa ls ";                 SpannableStringBuilder builder =  New spannablestringbuilder (str);          string flag  =  "★";        pattern pattern =  Pattern.compile (flag);        matcher matcher =  Pattern.matcher (str);        while  (Matcher.find ())          {             Builder.setspan (New imagespan (This, r.drawable.ic_launcher),  matcher.start (),  matcher.end ( ),  spannable.span_exclusive_exclusive);                  &nbSp;  }        tv.settext (builder);                          EditText ed =  (EditText)  findviewbyid (R.ID.EDITTEXT1);         ed.settext (builder);             }}

The layout file code is as follows:

<relativelayout xmlns:android= "Http://schemas.android.com/apk/res/android"      xmlns:tools= "Http://schemas.android.com/tools"     android:layout_width= "Match_parent"     android:layout_height= "Match_parent"     android:paddingbottom= "@ Dimen/activity_vertical_margin "    android:paddingleft=" @dimen/activity_horizontal_margin "     android:paddingright= "@dimen/activity_horizontal_margin"      android:paddingtop= "@dimen/activity_vertical_margin"     tools:context= ". Mainactivity " >    <TextView         Android:id= "@+id/tv"         android:layout_width= "Wrap_content"          android:layout_height= "Wrap_content"          android:text= "@string/hello_world" />    <edittext        android:id=" @+ Id/edittext1 "        android:layout_width=" Wrap_content "         android:layout_height= "Wrap_content"          android:layout_alignparentleft= "true"         android: layout_below= "@+id/tv"         android:layout_margintop= "63DP"          android:ems= "Ten"  >         <requestFocus />    </EditText></RelativeLayout>

：

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/48/37/wKiom1QGhO3QXo2-AALHfZggEvU096.jpg "title=" App Treasure screenshot 2014090301.png "alt=" Wkiom1qgho3qxo2-aalhfzggevu096.jpg "/>

This article from the "Sky no traces but I flew" blog, please be sure to keep this source http://glblong.blog.51cto.com/3058613/1548221

Android Note: TextView and edit boxes add pictures, Imagespan,spannablestringbuilder usage