android Webview加载网络图片

MainActivity .java

public class MainActivity extends ActionBarActivity {

WebView webview;
String url = " http://echarts.baidu.com/demo.html#pie-doughnut";


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
webview = (WebView) findViewById(R.id.webview);
webview.loadUrl(url);
}

}

activity_main.xml

        android:id="@+id/webview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
   

清单文件