本文实例讲述了android电话拨号器实现方法。分享给大家供大家参考。具体如下:
以下案例模拟android电话拨号器的实现
androidmanifest.xml清单列表
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<?xml version= "1.0" encoding= "utf-8" ?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" package = "com.ljq.phone" android:versioncode= "1" android:versionname= "1.0" > <application android:icon= "@drawable/icon" android:label= "@string/app_name" > <activity android:name= ".mainactivity" android:label= "@string/app_name" > <intent-filter> <action android:name= "android.intent.action.main" /> <category android:name= "android.intent.category.launcher" /> </intent-filter> </activity> </application> <uses-sdk android:minsdkversion= "7" /> <uses-permission android:name= "android.permission.call_phone" /> </manifest> |
main.xml布局文件:
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<?xml version= "1.0" encoding= "utf-8" ?> <linearlayout xmlns:android= "http://schemas.android.com/apk/res/android" android:orientation= "vertical" android:layout_width= "fill_parent" android:layout_height= "fill_parent" > <textview android:layout_width= "fill_parent" android:layout_height= "wrap_content" android:text= "请输入电话号码" /> <edittext android:layout_width= "fill_parent" android:layout_height= "wrap_content" android:id= "@+id/phone" /> <button android:layout_width= "wrap_content" android:layout_height= "wrap_content" android:text= "拔打此号码" android:id= "@+id/button" /> </linearlayout> |
mainactivity类:
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package com.ljq.phone; import android.app.activity; import android.content.intent; import android.net.uri; import android.os.bundle; import android.view.view; import android.widget.button; import android.widget.edittext; public class mainactivity extends activity { private edittext phone= null ; @override public void oncreate(bundle savedinstancestate) { super .oncreate(savedinstancestate); setcontentview(r.layout.main); phone=(edittext) this .findviewbyid(r.id.phone); button button=(button) this .findviewbyid(r.id.button); button.setonclicklistener( new view.onclicklistener(){ public void onclick(view v) { string tel=phone.gettext().tostring(); //方法一, 使用intent目的: 激活android组件 //intent intent=new intent(); //intent.setaction("android.intent.action.call"); //intent.setdata(uri.parse("tel:"+tel)); //方法二 intent intent= new intent( "android.intent.action.call" , uri.parse( "tel:" +tel)); //方法的内部会自动为intent对象设置类别:android.intent.category.default startactivity(intent); } }); } } |
运行结果:
界面初始化:
电话拨打效果:
希望本文所述对大家的android程序设计有所帮助。