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android – How to use Google chart API

Posted by: admin June 15, 2020 Leave a comment

Questions:

I am using a google chart API in this

how can i use this chart in android application?

here is my code

public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

       String url =  "http://chart.apis.google.com/chart?cht=p3&chs=500x200&chd=e:TNTNTNGa&chts=000000,16&chtt=A+Better+Web&chl=Hello|Hi|anas|Explorer&chco=FF5533,237745,9011D3,335423&chdl=Apple|Mozilla|Google|Microsoft";
        WebView mCharView = (WebView) findViewById(R.id.char_view);
        mCharView.loadUrl(url);
    }

and the XML

<?xml version="1.0" encoding="utf-8"?>


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

<WebView android:id="@+id/char_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:visibility="visible"/>


    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

</LinearLayout>
How to&Answers:

If you want to load your chart like @Rajesh said you have to use a webview and than load the url of your chart by:

webview.loadUrl(CHART_URL);

add to your manifest

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

but if you are looking how to draw pie chart in android you can see this tutorial it has sample code attached to

enter image description here

Answer:

Remember to enable javascript in your webview!

webview.getSettings().setJavaScriptEnabled(true);

Answer:

Use a WebView to display any web content.

webview.loadUrl(CHART_URL);