本文实例讲述了android开发实现textview显示丰富的文本的方法。分享给大家供大家参考,具体如下:
如图,显示html的元素控件,点击连接实现上网,发email,拨号
实现源码如下:
mainactivity.java
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package com.example.textview2;
import android.os.bundle;
import android.app.activity;
import android.text.html;
import android.text.method.linkmovementmethod;
import android.view.menu;
import android.widget.textview;
public class mainactivity extends activity {
private textview textview1, textview2;
@override
protected void oncreate(bundle savedinstancestate) {
super .oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
textview1 = (textview) this .findviewbyid(r.id.textview1);
textview2 = (textview) this .findviewbyid(r.id.textview2);
// 添加一段html的标志
string html = "<font color='red'></font><br><br><br>" ;
html += "<font color='#0000ff'><big><i></i></big></font><p>" ;
html += "<big><a href='http://www.baidu.com'>百度</a></big><br>" ;
charsequence charsequence = html.fromhtml(html);
textview1.settext(charsequence);
textview1.setmovementmethod(linkmovementmethod.getinstance()); // 点击的时候产生超链接
string text = "我的url:http://www.sina.com\n" ;
text += "我的email:abcd@126.com\n" ;
text += "我的电话:+ 86 010-89487389" ;
textview2.settext(text);
textview2.setmovementmethod(linkmovementmethod.getinstance());
}
@override
public boolean oncreateoptionsmenu(menu menu) {
// inflate the menu; this adds items to the action bar if it is present.
getmenuinflater().inflate(r.menu.main, menu);
return true ;
}
}
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strings.xml
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<?xml version= "1.0" encoding= "utf-8" ?>
<resources>
<string name= "action_settings" >settings</string>
<string name= "hello_world" >hello world!</string>
<string name= "app_name" >如何显示html的元素控件</string>
<color name= "green" >#00ff00</color>
<string name= "link_text" ><a href= "tel:13693207964" >打电话</a></string>
</resources>
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activity_main.xml
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<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:layout_width= "fill_parent"
android:layout_height= "wrap_content" android:id= "@+id/textview1"
android:padding= "20sp" />
<textview
android:id= "@+id/textview2"
android:layout_width= "fill_parent"
android:layout_height= "wrap_content"
android:autolink= "all"
android:padding= "20sp"
android:text= "@string/link_text"
android:textsize= "20sp" />
</relativelayout>
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希望本文所述对大家android程序设计有所帮助。