{"id":389,"date":"2013-08-25T13:30:00","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"http:\/\/www.yazilimmutfagi.com\/?p=389"},"modified":"2013-08-25T13:30:00","modified_gmt":"1970-01-01T00:00:00","slug":"web-servis-ile-guncel-doviz-kuru-bilgilerini-almak-ve-kur-donusumu","status":"publish","type":"post","link":"https:\/\/www.yazilimmutfagi.com\/index.php\/2013\/08\/25\/web-servis-ile-guncel-doviz-kuru-bilgilerini-almak-ve-kur-donusumu\/","title":{"rendered":"Web Servis ile G\u00fcncel D\u00f6viz Kuru Bilgilerini Almak ve Kur D\u00f6n\u00fcs\u00fcm\u00fc"},"content":{"rendered":"

\n\tMerhabalar<\/p>\n

\n\tBu makalede internetten güncel olarak döviz kurlarini takip eden bir uygulama gelistirecegiz.<\/p>\n

\n\tBilgilerimizi http:\/\/www.doviz.gen.tr sitesinden web servis ile alacagiz. Verilerimizi JSON olarak siteden çagirip JSON objesi olarak parse edecegiz. Daha sonra aldigimiz verileri ekrana yansitacagiz. Aldigimniz bu verilerle  Tl-Dolar, TL-Euro çevirme uygulamasi gelistirecegiz.<\/p>\n

\n\tUygulamanin kaynak koduna buradan <\/a>ulasabilirsiniz.<\/p>\n

\n\tÖncelikle layoutumuzu ayarliyoruz.<\/p>\n

\n\tdoviz_kuru.xml<\/h4>\n
\n<RelativeLayout xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android"\n    xmlns:tools="http:\/\/schemas.android.com\/tools"\n    android:layout_width="match_parent"\n    android:layout_height="match_parent"\n    android:background="#FFFFFF"\n    android:clickable="false"\n    android:longClickable="false"\n    tools:context=".DovizKuru" >\n\n    <TextView\n        android:id="@+id\/textViewTime"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_marginBottom="82dp"\n        android:textAppearance="?android:attr\/textAppearanceLarge"\n        android:textSize="15sp" \/>\n\n    <TextView\n        android:id="@+id\/textView1"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_below="@+id\/textView4"\n        android:layout_toRightOf="@+id\/textViewZaman"\n        android:text="Dolar"\n        android:textAppearance="?android:attr\/textAppearanceMedium" \/>\n\n    <TextView\n        android:id="@+id\/textView2"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_below="@+id\/textView1"\n        android:layout_marginTop="32dp"\n        android:layout_toRightOf="@+id\/textViewZaman"\n        android:text="Euro"\n        android:textAppearance="?android:attr\/textAppearanceMedium" \/>\n\n    <RelativeLayout\n        android:id="@+id\/relativeLayout2"\n        android:layout_width="wrap_content"\n        android:layout_height="80dp"\n        android:layout_alignParentLeft="true"\n        android:layout_alignParentRight="true"\n        android:layout_below="@+id\/buttonGnc" >\n\n        <TextView\n            android:id="@+id\/textViewTime1"\n            android:layout_width="wrap_content"\n            android:layout_height="wrap_content"\n            android:text="TextView" \n             android:textSize="10sp"\/>\n\n    <\/RelativeLayout>\n\n    <EditText\n        android:id="@+id\/editTextEuro1"\n        android:layout_width="90dp"\n        android:layout_height="wrap_content"\n        android:layout_alignBaseline="@+id\/textView2"\n        android:layout_alignBottom="@+id\/textView2"\n        android:layout_marginLeft="20dp"\n        android:layout_toRightOf="@+id\/textView1"\n        android:clickable="false"\n        android:ems="10"\n        android:enabled="false"\n        android:focusable="false"\n        android:focusableInTouchMode="false"\n        android:linksClickable="false"\n        android:longClickable="false" \/>\n\n    <EditText\n        android:id="@+id\/editTextDolar1"\n        android:layout_width="90dp"\n        android:layout_height="wrap_content"\n        android:layout_alignBaseline="@+id\/textView1"\n        android:layout_alignBottom="@+id\/textView1"\n        android:layout_alignLeft="@+id\/editTextEuro1"\n        android:clickable="false"\n        android:ems="10"\n        android:focusable="false"\n        android:focusableInTouchMode="false"\n        android:longClickable="false" >\n\n        <requestFocus \/>\n    <\/EditText>\n\n    <TextView\n        android:id="@+id\/textView3"\n        android:layout_width="90dp"\n        android:layout_height="40dp"\n        android:layout_above="@+id\/textView1"\n        android:layout_alignLeft="@+id\/editTextDolar1"\n        android:text="Alis"\n        android:textSize="20sp" \/>\n\n    <TextView\n        android:id="@+id\/textView4"\n        android:layout_width="90dp"\n        android:layout_height="40dp"\n        android:layout_below="@+id\/textViewZaman"\n        android:layout_marginLeft="17dp"\n        android:layout_toRightOf="@+id\/editTextDolar1"\n        android:text="Satis"\n        android:textSize="20sp" \/>\n\n    <EditText\n        android:id="@+id\/editTextEuro2"\n        android:layout_width="90dp"\n        android:layout_height="wrap_content"\n        android:layout_alignBaseline="@+id\/editTextEuro1"\n        android:layout_alignBottom="@+id\/editTextEuro1"\n        android:layout_alignLeft="@+id\/textView4"\n        android:clickable="false"\n        android:ems="10"\n        android:focusable="false"\n        android:focusableInTouchMode="false"\n        android:longClickable="false" \/>\n\n    <Button\n        android:id="@+id\/buttonUpt"\n        android:layout_width="230dp"\n        android:layout_height="20dp"\n        android:layout_alignParentTop="true"\n        android:layout_centerHorizontal="true"\n        android:background="@drawable\/whitebutton"\n        android:text="Güncelle" \/>\n\n    <EditText\n        android:id="@+id\/editTextDolar2"\n        android:layout_width="90dp"\n        android:layout_height="wrap_content"\n        android:layout_alignBaseline="@+id\/editTextDolar1"\n        android:layout_alignBottom="@+id\/editTextDolar1"\n        android:layout_alignLeft="@+id\/textView4"\n        android:clickable="false"\n        android:ems="10"\n        android:focusable="false"\n        android:focusableInTouchMode="false"\n        android:longClickable="false" \/>\n\n    <EditText\n        android:id="@+id\/editText1"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_alignBaseline="@+id\/textView5"\n        android:layout_alignBottom="@+id\/textView5"\n        android:layout_alignParentRight="true"\n        android:ems="10"\n         android:inputType="number" \/>\n\n    <TextView\n        android:id="@+id\/textView5"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_alignParentLeft="true"\n        android:layout_below="@+id\/editTextEuro1"\n        android:layout_marginTop="71dp"\n        android:text="TL    :"\n        android:textAppearance="?android:attr\/textAppearanceLarge" \/>\n\n    <EditText\n        android:id="@+id\/editText2"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_alignParentRight="true"\n        android:layout_alignTop="@+id\/textView6"\n        android:ems="10"\n         android:inputType="number" \/>\n\n    <EditText\n        android:id="@+id\/editText3"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_alignParentRight="true"\n        android:layout_below="@+id\/editText2"\n        android:ems="10"\n         android:inputType="number" \/>\n\n    <TextView\n        android:id="@+id\/textView7"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_alignBaseline="@+id\/editText3"\n        android:layout_alignBottom="@+id\/editText3"\n        android:layout_alignRight="@+id\/textView6"\n        android:text="Euro :"\n        android:textAppearance="?android:attr\/textAppearanceLarge" \/>\n\n    <TextView\n        android:id="@+id\/textView6"\n        android:layout_width="wrap_content"\n        android:layout_height="wrap_content"\n        android:layout_alignParentLeft="true"\n        android:layout_below="@+id\/editText1"\n        android:layout_marginTop="14dp"\n        android:text="Dolar:"\n        android:textAppearance="?android:attr\/textAppearanceLarge" \/>\n\n    <Button\n        android:id="@+id\/buttonConvert"\n        android:layout_width="100dp"\n        android:layout_height="30dp"\n        android:layout_alignLeft="@+id\/buttonGnc"\n        android:layout_alignParentBottom="true"\n             android:background="@drawable\/whitebutton"\n        android:text="Çevir" \/>\n\n    <Button\n        android:id="@+id\/buttonExit"\n        android:layout_width="100dp"\n        android:layout_height="30dp"\n        android:layout_alignLeft="@+id\/editTextEuro2"\n        android:layout_alignParentBottom="true"\n        android:background="@drawable\/whitebutton"\n        android:text="Çikis" \/>\n\n   \n\n<\/RelativeLayout>\n<\/pre>\n
\n\tKodlarimizi yazmadan once layoutta kullanmis oldugum "whitebutton"tasarimini olusturmaliyiz. Bunun için projemizde "res\/drawable" klasörünün içine "whitebutton.xml " olarak yeni bir xml dosyasi açiyoruz.<\/p>\n
\n\twhitebutton.xml<\/h4>\n
\n<?xml version="1.0" encoding="utf-8"?>\n<selector xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android">\n<item android:state_pressed="true" >\n<shape \nandroid:shape="rectangle" android:padding="10dp">\n\n <solid android:color="#ffa500"\/> \n    <corners\n     android:bottomRightRadius="10dp"\n     android:bottomLeftRadius="10dp"\n  android:topLeftRadius="10dp"\n  android:topRightRadius="10dp"\n  android:color="#ABABAB"\/>\n    <stroke\n        android:width="2dp"\n        android:color="#FF000000"\/>\n    \n<\/shape>\n<\/item>\n<item>\n    <shape \nandroid:shape="rectangle" android:padding="10dp">\n<!-- you can use any color you want I used here gray color-->\n <solid android:color="#ffffff"\/> \n    <corners\n     android:bottomRightRadius="10dp"\n     android:bottomLeftRadius="10dp"\n  android:topLeftRadius="10dp"\n  android:topRightRadius="10dp"\n  android:color="#ABABAB"\/>\n    <stroke\n        android:width="2dp"\n        android:color="#FF000000"\/>\n    \n<\/shape>\n    \n<\/item>\n\n<\/selector>\n<\/pre>\n
\n\tSimdi gerekli olan kodlarimizi yazacagiz<\/p>\n
\n\tDovizKuru.java<\/h4>\n
\npackage com.example.dovizkuru;\n\nimport java.io.BufferedReader;\nimport java.io.IOException;\nimport java.io.InputStream;\nimport java.io.InputStreamReader;\n\nimport org.apache.http.HttpEntity;\nimport org.apache.http.HttpResponse;\nimport org.apache.http.client.HttpClient;\nimport org.apache.http.client.methods.HttpGet;\nimport org.apache.http.impl.client.DefaultHttpClient;\nimport org.json.JSONObject;\n\nimport android.app.Activity;\nimport android.os.Bundle;\nimport android.text.Editable;\nimport android.view.Menu;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.EditText;\nimport android.widget.TextView;\nimport android.widget.Toast;\n\npublic class DovizKuru extends Activity {\n\tpublic static final String URL = "http:\/\/www.doviz.gen.tr\/doviz_json.asp?version=1.0.4";  \n\t@Override\n\tprotected void onCreate(Bundle savedInstanceState) {\n\t\tsuper.onCreate(savedInstanceState);\n\t\t\/\/\n\t\tsetContentView(R.layout.doviz_kuru);\n\t\t\/\/ Gerekli olan widgetlarimizi tanittik\n\t\tfinal EditText tlcon=(EditText)findViewById(R.id.editText1); \n\t\tfinal EditText dolarcon=(EditText)findViewById(R.id.editText2); \n\t\tfinal EditText eurocon=(EditText)findViewById(R.id.editText3);\n\t\n\t\t\/\/program baslatildiginda verilerin güncellenmesi için kullandik\n\t\tUpdateData();\n\t\t\/\/Güncelle butonunun dinleyicisi\n\t\tButton btnupt=(Button)findViewById(R.id.buttonGnc);\n\t\tbtnupt.setOnClickListener(new View.OnClickListener() {\n\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tUpdateData();\n\t\t\t\t\n\t\t\t}\n\t\t});\n\t\t final EditText dolar_1=(EditText)findViewById(R.id.editTextDolar1); \n\t\t   final EditText dolar_2=(EditText)findViewById(R.id.editTextDolar2); \n\t\t   final EditText euro_1=(EditText)findViewById(R.id.editTextEuro1); \n\t\t   final EditText euro_2=(EditText)findViewById(R.id.editTextEuro2);\n\t\t   TextView UptadeTime = (TextView) findViewById(R.id.textViewTime1);\n\/\/NumberFormatException hatasi almamak için birim çeviri kismindaki EditText degerlerini "0" atiyoruz\n\t\ttlcon.setText("0");\n\t\tdolarcon.setText("0");\n\t\teurocon.setText("0");\n\t\tfinal float tlcon1=Float.parseFloat(tlcon.getText().toString());\n\t\tfinal float dolarcon1=Float.parseFloat(dolarcon.getText().toString());\n\t\tfinal float eurocon1=Float.parseFloat(eurocon.getText().toString());\n\t\/\/çeviri tusunun dinleyicisi\n\t\tButton btnconvert =(Button)findViewById(R.id.buttonConvert);\n\tbtnconvert.setOnClickListener(new View.OnClickListener() {\n\t\t\n\t\t@Override\n\t\/\/Birimleri birbirine çevirmek için kullanilan kodlar\n\t\tpublic void onClick(View v) {\n\t\t\tfloat tlcon1=Float.parseFloat(tlcon.getText().toString());\n\t\t\tfloat dolarcon1=Float.parseFloat(dolarcon.getText().toString());\n\t\t\tfloat eurocon1=Float.parseFloat(eurocon.getText().toString());\n\t\t\t\n\t\t\tif(tlcon1!=0&&dolarcon1==0&&eurocon1==0){\n\t\t\t\tdolarcon1=tlcon1\/Float.parseFloat(dolar_1.getText().toString());\n\t\t\t\teurocon1=tlcon1\/Float.parseFloat(euro_1.getText().toString());\n\t\t\t\tdolarcon.setText(Float.toString(dolarcon1));\n\t\t\t\teurocon.setText(Float.toString(eurocon1));\n\t\t\t\t\n\t\t\t}\n\t\t\telse if(dolarcon1!=0&&tlcon1==0&&eurocon1==0){tlcon1=dolarcon1*Float.parseFloat(dolar_2.getText().toString());\n\t\t\t        eurocon1=dolarcon1*Float.parseFloat(dolar_2.getText().toString())\/Float.parseFloat(euro_1.getText().toString());\n\t\t\t    \ttlcon.setText(Float.toString(tlcon1));\n\t\t\t    \teurocon.setText(Float.toString(eurocon1));}\n\t\t\t\/\/Eger birden fazla birim girildiyse yanlis deger almamak icin EditTextleri sifirliyoruz\n\t\t\telse if(eurocon1!=0&&tlcon1==0&&dolarcon1==0){tlcon1=eurocon1*Float.parseFloat(euro_2.getText().toString());\n\t\t\t       dolarcon1=eurocon1*Float.parseFloat(euro_2.getText().toString())\/Float.parseFloat(dolar_1.getText().toString());\n\t\t\t   \ttlcon.setText(Float.toString(tlcon1));\n\t\t\t\teurocon.setText(Float.toString(eurocon1));}else{\n\t\t\t\t\ttlcon.setText("0");\n\t\t\t\t\tdolarcon.setText("0");\n\t\t\t\t\teurocon.setText("0");}\n\t\t}\n\t\t\n\t});\n\t\t\/\/Çikis tusunun dinleyicisi\n\t\tButton btnexit=(Button)findViewById(R.id.buttonExit);\n\t\tbtnexit.setOnClickListener(new View.OnClickListener() {\n\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tDovizKuru.this.finish();\n\t\t\t}\n\t\t});\n\t\t\n\t}\n\n\n\t\n\tpublic   void UpdateData(){\n\t\t\/\/loyout uzerindeki bilesenleri tanimlayacagiz\n\t\t   EditText dolar_1=(EditText)findViewById(R.id.editTextDolar1); \n\t\t   EditText dolar_2=(EditText)findViewById(R.id.editTextDolar2); \n\t\t   EditText euro_1=(EditText)findViewById(R.id.editTextEuro1); \n\t\t   EditText euro_2=(EditText)findViewById(R.id.editTextEuro2);\n\t\t   TextView UptadeTime = (TextView) findViewById(R.id.textViewTime1);\n\t\t   \n\t\t   \n\t\t   \n\t\t   String dolar ;\n\t    String euro   ;\n\t\t   String dolar2 ;\n\t\t     String euro2 ;\n\t\t    String LastUptadeTime;  \n\t\t     String LastRegisterDate ;\n\t\t\/\/burada bir web istegi olusturuyoruz\n\t\tHttpClient client =new DefaultHttpClient();\n\t\tHttpGet  getData =new HttpGet(URL);\n\t\tHttpResponse response;\n\t\ttry{\n\t\t\t\n\t\t\tresponse=client.execute(getData);\n\t\t\tHttpEntity entity=response.getEntity();\n\t\t\tif(entity != null){\n\t\t\t\t \n\t\t\t\tInputStream Data=entity.getContent();\n\t\t\t\tString result =convertStreamToString(Data);\n\t\t\t\t\/\/Siteden gelen veriyi JSON Objemize atiyoruz\n\t\t\t\tJSONObject jsonVeri=new JSONObject(result); \n\t\t\t\tdolar = jsonVeri.getString("dolar2");  \n\t\t\t\teuro = jsonVeri.getString("euro2");  \n                dolar2 = jsonVeri.getString("dolar");  \n                euro2 = jsonVeri.getString("euro");  \n                LastUptadeTime = jsonVeri.getString("guncelleme");  \n                LastRegisterDate = jsonVeri.getString("sonkayit"); \n              \n                  \/\/Verilerimizi ekrana yazdiriyoruz\n                   dolar_1.setText(dolar.toString());  \n                   euro_1.setText(euro.toString());  \n                   dolar_2.setText(dolar2.toString());  \n                   euro_2.setText(euro2.toString());  \n                   UptadeTime.setText(LastUptadeTime.toString()+"\/n"+LastRegisterDate.toString());  \n                \n                  \n                  \n                 }\n\t\t\t\n\t\t}catch(Exception e){ LastUptadeTime="Güncelleme basarisiz!\\nInternet baglantinizi kontrol edip, tekrar deneyiniz!";  \n\t\t\n         }\n\t\t}\n\tpublic static String convertStreamToString(InputStream is){\n\t\t\/\/burada gelen veriyi string degerine çevirecegiz\n\t\t BufferedReader reader = new BufferedReader(new InputStreamReader(is));  \n\t        StringBuilder sb = new StringBuilder();  \n\t        String line = null;  \n\t        try {  \n\t          while ((line = reader.readLine()) != null) {  \n\t              sb.append(line).append("\\n");  \n\t          }  \n\t        } catch (IOException e) {  \n\t        } finally {  \n\t          try {  \n\t              is.close();  \n\t          } catch (IOException e) {  \n\t          }  \n\t        }  \n\t        return sb.toString();  \n\t    }  \n\t\t\t\n\t }\n<\/pre>\n
\n\tSon olarak  uygulamamizin interneti kullanabilmesi için bir adet permission olusturup Internet kullanimina izin vermemiz gerekiyor. AndroidManifest.xml dosyasinda "<\/application>" 'in altina asagidaki kodu yaziyoruz.<\/p>\n
\n<uses-permission android:name="android.permission.INTERNET"\/>\n<\/pre>\n
\n\tBunu yaptiktan sonra uygulamamiz kullanima hazirdir.<\/p>\n
\n\tandroidManifest.xml<\/h4>\n
\n<?xml version="1.0" encoding="utf-8"?>\n<manifest xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android"\n    package="com.example.dovizkuru"\n    android:versionCode="1"\n    android:versionName="1.0" >\n\n    <uses-sdk\n        android:minSdkVersion="8"\n        android:targetSdkVersion="17" \/>\n\n    <application\n        android:allowBackup="true"\n        android:icon="@drawable\/ic_launcher"\n        android:label="@string\/app_name"\n        android:theme="@style\/AppTheme" >\n        <activity\n            android:name="com.example.dovizkuru.DovizKuru"\n            android:label="@string\/app_name" >\n            <intent-filter>\n                <action android:name="android.intent.action.MAIN" \/>\n\n                <category android:name="android.intent.category.LAUNCHER" \/>\n            <\/intent-filter>\n        <\/activity>\n    <\/application>\n<uses-permission android:name="android.permission.INTERNET"\/>\n<\/manifest>\n\n<\/pre>\n
\n\tUygulamanin ekran görüntüleri:<\/p>\n
\n\t
\n\t\t<\/p>\n\t
\n\t\t
\n\t\t\t <\/p>\n\t<\/div>\n\t
\n\t\t
\n\t\t\t<\/p>\n\t<\/div>\n<\/div>\n
\n\t <\/p>\n
\n\t
\n\t\t
\n\t\t
\n\t\t
\n\t\t <\/p>\n<\/div>\n
\n\t <\/p>\n","protected":false},"excerpt":{"rendered":"
Bu makalede internetten güncel olarak döviz kurlarini takip eden bir uygulama gelistirecegiz.Bilgilerimizi doviz.gen.tr sitesinden alacagiz. Verilerimizi JSON olarak siteden çagirip JSON objesi olarak parse edecegiz.<\/p>\n","protected":false},"author":560,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[448],"tags":[4789,4731,3957,4049,5445],"_links":{"self":[{"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/posts\/389"}],"collection":[{"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/users\/560"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/comments?post=389"}],"version-history":[{"count":0,"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/posts\/389\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/media?parent=389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/categories?post=389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yazilimmutfagi.com\/index.php\/wp-json\/wp\/v2\/tags?post=389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}