Android SMS Monitor (iii)--using loader to realize SMS monitoring

Mainactivity as follows:

Package Cc.c;import Android.net.uri;import Android.os.bundle;import android.app.activity;import Android.app.loadermanager.loadercallbacks;import Android.content.context;import Android.content.Loader;import android.database.cursor;/** * Demo Description: * Tap SMS with loader * * Reference: * 1 http://blog.csdn.net/niu_gao/article/details/724411 7 * 2 Http://www.cnblogs.com/jisheng/archive/2013/01/09/2852553.html * 3 http://blog.csdn.net/linmiansheng/article/  details/25836937 * Thank you very much * * NOTE: * 1 loader is only introduced after 3.0 * 2 if you use loader before 3.0 then activity must inherit fragmentactivity     * 3 encapsulated inside Loader Contentoberver * */public class Mainactivity extends Activity implements loadercallbacks<cursor>{    private final int loader_id=9527;    Private Context Mcontext; Private Uri muri=null; @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate ); Setcontentview (R.layout.main); init ();} private void Init () {Mcontext=this;muri = Uri.parse ("Content://sms/inbox"); this.getloadermAnager (). Initloader (loader_id, NULL, this);} @Overridepublic loader<cursor> oncreateloader (int arg0, bundle bundle) {string[] projection = new string[] {"_id", " Address "," body "," type "}; Loader<cursor> cursorloader=new Android.content.CursorLoader (mcontext, mUri, projection, NULL, NULL, "Date desc" ); return cursorloader;}        @Overridepublic void onloadfinished (loader<cursor> Loader, cursor cursor) {while (Cursor.movetonext ()) {    String address = cursor.getstring (Cursor.getcolumnindex ("Address"));    String BODY = cursor.getstring (Cursor.getcolumnindex ("body"));    int id = cursor.getint (cursor.getcolumnindex ("_id"));    String type = cursor.getstring (Cursor.getcolumnindex ("type"));    SYSTEM.OUT.PRINTLN ("------> Receive New SMS:" + "from =" +address+ ", content =" +body+ ", id=" +id+ ", category =" +type "; Break;}} @Overridepublic void Onloaderreset (loader<cursor> Loader) {}}

Main.xml 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 "    >    <textview        android:layout_width= "wrap_content"        android:layout_height= "Wrap_content"        android:text= "Tapping SMS with loader"        android:layout_centerinparent= "true"/></relativelayout>

Androidmanifest.xml as follows:

<?xml version= "1.0" encoding= "Utf-8"? ><manifest xmlns:android= "http://schemas.android.com/apk/res/ Android "package=" CC.C "android:versioncode=" 1 "android:versionname=" 1.0 "> <uses-sdk android:min sdkversion= "android:targetsdkversion="/> <uses-permission android:name= "ANDROID.PERMISSION.R" Ead_sms "/> <application android:allowbackup=" true "android:icon=" @drawable/ic_launcher "and Roid:label= "@string/app_name" android:theme= "@style/apptheme" > <activity android:name= "CC. C.mainactivity "android:label=" @string/app_name "> <intent-filter> <actio n android:name= "Android.intent.action.MAIN"/> <category android:name= "Android.intent.category.LAUNCH ER "/> </intent-filter> </activity> </application></manifest>