Generate QR Code using Google Chart Tools APIs for Android

Google Chart Tools provide a perfect way to visualize data on your website. From simple line charts to complex hierarchical tree maps, the chart galley provides a large number of well-designed chart types. Populating your data is easy using the provided client- and server-side tools.

It's a example of Android app to generate QR Code using Google Chart Tools APIs.

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package com.AndroidQRCode;   import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLConnection;   import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast;   public class AndroidQRCodeActivity extends Activity {     final static String urlGoogleChart = "http://chart.apis.google.com/chart";  final static String urlQRApi = "?chs=400x400&cht=qr&chl=";  final static String urlMySite = "http://android-coding.blogspot.com/";     ImageView QRCode;  TextView MySite;       /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        QRCode = (ImageView)findViewById(R.id.qrimage);        MySite = (TextView)findViewById(R.id.mysite);        MySite.setText(urlMySite);                Bitmap bm = loadQRCode();        if(bm == null){         Toast.makeText(AndroidQRCodeActivity.this,           "Problem in loading QR Code1",           Toast.LENGTH_LONG).show();        }else{         QRCode.setImageBitmap(bm);        }            }        private Bitmap loadQRCode(){     Bitmap bmQR = null;     InputStream inputStream = null;           try {    inputStream = OpenHttpConnection(urlGoogleChart + urlQRApi + urlMySite);    bmQR = BitmapFactory.decodeStream(inputStream);    inputStream.close();   } catch (IOException e) {    // TODO Auto-generated catch block    e.printStackTrace();   }     return bmQR;    }        private InputStream OpenHttpConnection(String strURL) throws IOException{     InputStream is = null;     URL url = new URL(strURL);     URLConnection urlConnection = url.openConnection();           try{      HttpURLConnection httpConn = (HttpURLConnection)urlConnection;      httpConn.setRequestMethod("GET");      httpConn.connect();             if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK) {       is = httpConn.getInputStream();      }      }catch (Exception ex){      }           return is;    }     }

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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="@string/hello"    /> <ImageView    android:id="@+id/qrimage"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    /> <TextView    android:id="@+id/mysite"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    /> </LinearLayout>

Permission: "android.permission.INTERNET" is needed.