Android擷取通話記錄

public class callhistoryhelper {  

    public static string getcallhistorystr(context context) {  

        string callhistoryjson = "";  

        callhistoryjson= gethostcommlog(context);  

        return callhistoryjson;  

    }  

    private static jsonobject getdata(cursor acursor) {  

//      callhistory commlogdata = new callhistory();  

        string date=dateformattools.dateformat(long.parselong(acursor.getstring(acursor.getcolumnindex("date"))));  

    long duration=acursor.getlong(acursor.getcolumnindex("duration"));  

        string name = acursor.getstring(acursor.getcolumnindex("name"));  

        if(name==null||name.equals(""))  

        {  

            name = acursor.getstring(acursor  

                    .getcolumnindex("number"));  

        }  

        string number=acursor.getstring(acursor  

                .getcolumnindex("number"));  

        jsonobject obj=new jsonobject();  

        try {  

            obj.put("date", date);  

            obj.put("duration", duration);  

            obj.put("name", name);  

            obj.put("number", number);  

        } catch (jsonexception e) {  

            // todo auto-generated catch block  

            e.printstacktrace();  

        return obj;  

    private static string gethostcommlog(  

            context icontext) {  

        jsonobject callhistoryjson =new jsonobject();  

        jsonarray arrin=new jsonarray();  

        jsonarray arrout=new jsonarray();  

        jsonarray arrmiss=new jsonarray();  

        cursor cursor = icontext.getcontentresolver().query(  

                android.provider.calllog.calls.content_uri,  

                new string[] { "number", "name", "type", "date","duration" }, null, null,  

                "date desc");  

        while (cursor.movetonext()) {  

            switch (cursor.getint(cursor.getcolumnindex("type"))) {  

            case 1:  

                jsonobject obj1=getdata(cursor);  

                arrin.put(obj1);  

                break;  

            case 2:  

                jsonobject obj2=getdata(cursor);  

                arrout.put(obj2);  

            case 3:  

                jsonobject obj3=getdata(cursor);  

                arrmiss.put(obj3);  

            default:  

            }  

            callhistoryjson.put("incoming",arrin);  

            callhistoryjson.put("outgoing",arrout);  

            callhistoryjson.put("missed",arrmiss);  

        cursor.close();  

        return callhistoryjson.tostring();  

}  

轉自：http://blog.csdn.net/chaoyu168/article/details/49094005