{"id":12348,"date":"2022-09-30T12:53:36","date_gmt":"2022-09-30T07:23:36","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-need-help-android-json-currency-converter\/"},"modified":"2022-09-30T12:53:36","modified_gmt":"2022-09-30T07:23:36","slug":"solved-need-help-android-json-currency-converter","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-need-help-android-json-currency-converter\/","title":{"rendered":"[Solved] need help android Json Currency Converter"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-11472677\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"11472677\" data-parentid=\"11471884\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>i tried an activity that converts the data and displays it in a textview<\/p>\n<pre><code>import 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.ClientProtocolException;\nimport org.apache.http.client.HttpClient;\nimport org.apache.http.client.methods.HttpGet;\nimport org.apache.http.impl.client.DefaultHttpClient;\nimport org.json.JSONException;\nimport org.json.JSONObject;\n\nimport android.app.Activity;\nimport android.app.ProgressDialog;\nimport android.os.AsyncTask;\nimport android.os.Bundle;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.TextView;\n\npublic class CurrencyActivity extends Activity {\n\n    private TextView texts;\n\n    @Override\n    public void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n\n        setContentView(R.layout.test);\n\n        Button button = (Button) findViewById(R.id.calculateCmd);\n        button.setOnClickListener(new View.OnClickListener() {\n\n            @Override\n            public void onClick(View v) {\n                new DownloadData().execute();\n            }\n        });\n\n        texts = (TextView) findViewById(R.id.txtCurrency);\n\n    }\n\n    public String getJson(String url) throws ClientProtocolException,\n            IOException {\n        StringBuilder build = new StringBuilder();\n        HttpClient client = new DefaultHttpClient();\n        HttpGet httpGet = new HttpGet(url);\n        HttpResponse response = client.execute(httpGet);\n        HttpEntity entity = response.getEntity();\n        InputStream content = entity.getContent();\n        BufferedReader reader = new BufferedReader(new InputStreamReader(\n                content));\n        String con;\n        while ((con = reader.readLine()) != null) {\n            build.append(con);\n        }\n        return build.toString();\n    }\n\n    class DownloadData extends AsyncTask&lt;Void, Integer, String&gt; {\n\n        ProgressDialog pd = null;\n\n        @Override\n        protected void onPreExecute() {\n            super.onPreExecute();\n            pd = new ProgressDialog(CurrencyActivity.this);\n            pd.setTitle(\"Converting...\");\n            pd.setMessage(\"Please wait...\");\n            pd.setCancelable(false);\n            pd.show();\n\n        }\n\n        @Override\n        protected String doInBackground(Void... params) {\n\n            String s;\n            String theResult = \"\";\n            try {\n                s = getJson(\"http:\/\/query.yahooapis.com\/v1\/public\/yql?q=select%20*%20from%20yahoo.finance.xchange%20where%20pair%20in%20(%22USDSGD%22)&amp;format=json&amp;env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&amp;callback=\");\n                JSONObject jObj;\n                jObj = new JSONObject(s);\n                theResult = jObj.getJSONObject(\"query\")\n                        .getJSONObject(\"results\").getJSONObject(\"rate\")\n                        .getString(\"Rate\");\n\n                System.out.println(theResult);\n            }\n\n            catch (JSONException e) {\n                e.printStackTrace();\n            } catch (ClientProtocolException e) {\n                e.printStackTrace();\n            } catch (IOException e) {\n                e.printStackTrace();\n            }\n\n            return theResult;\n        }\n\n        @Override\n        protected void onPostExecute(String theResult) {\n            super.onPostExecute(theResult);\n            pd.dismiss();\n\n            System.out.println(\"theResult:\" + theResult);\n            texts.setText(theResult);\n        }\n    }\n\n}\n<\/code><\/pre>\n<p>the layout xml file i have used <\/p>\n<pre><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;\n&lt;RelativeLayout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\n    android:layout_width=\"fill_parent\"\n    android:layout_height=\"fill_parent\" &gt;\n\n    &lt;LinearLayout\n        android:layout_width=\"wrap_content\"\n        android:layout_height=\"wrap_content\"\n        android:layout_centerInParent=\"true\"\n        android:orientation=\"vertical\" \n        android:gravity=\"center\"\n        &gt;\n\n        &lt;Button\n            android:id=\"@+id\/calculateCmd\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:text=\"Calculate\" \/&gt;\n\n        &lt;TextView\n            android:id=\"@+id\/txtCurrency\"\n            android:layout_width=\"wrap_content\"\n            android:layout_height=\"wrap_content\"\n            android:text=\"Income\" &gt;\n        &lt;\/TextView&gt;\n    &lt;\/LinearLayout&gt;\n\n&lt;\/RelativeLayout&gt;\n<\/code><\/pre>\n<p>replace the URL with the values from your spinners and use the DownloadData AsyncTask in your case<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved need help android Json Currency Converter <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] i tried an activity that converts the data and displays it in a textview import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.app.ProgressDialog; import android.os.AsyncTask; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class &#8230; <a title=\"[Solved] need help android Json Currency Converter\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-need-help-android-json-currency-converter\/\" aria-label=\"More on [Solved] need help android Json Currency Converter\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[452,356],"class_list":["post-12348","post","type-post","status-publish","format-standard","hentry","category-solved","tag-android","tag-json"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] need help android Json Currency Converter - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-need-help-android-json-currency-converter\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] need help android Json Currency Converter - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] i tried an activity that converts the data and displays it in a textview import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.app.ProgressDialog; import android.os.AsyncTask; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class ... 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