We can load Html data or Normal data or any kind of url or display file from sdcard in webview in android.Webview turns our appliction into web application .It is very easy to impliment
Loading Url in webview
see this example
https://techcampuz.blogspot.in/2016/08/how-to-load-url-using-webview-in-android.html
Loading Html data or Normal data in webview
Create a project
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/btnopen"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:padding="10dp"
android:textSize="25sp"
android:text="Load Data"/>
<WebView
android:id="@+id/webView"
android:layout_below="@+id/btnopen"
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>
AndroidManifest.xml
Loading Url in webview
see this example
https://techcampuz.blogspot.in/2016/08/how-to-load-url-using-webview-in-android.html
Loading Html data or Normal data in webview
Create a project
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/btnopen"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:padding="10dp"
android:textSize="25sp"
android:text="Load Data"/>
<WebView
android:id="@+id/webView"
android:layout_below="@+id/btnopen"
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.webviewexample"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="21" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
MainActivity.java
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
public class MainActivity extends Activity {
private WebView webView;
Button btnopen;
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
webView = (WebView) findViewById(R.id.webView);
btnopen=(Button)findViewById(R.id.btnopen);
WebSettings webSettings = webView.getSettings();
webSettings.setBuiltInZoomControls(true);
webView.getSettings().setDisplayZoomControls(false);
webView.setWebViewClient(new WebViewClient());
webView. getSettings().setSupportZoom(true);
webView.getSettings().setAllowFileAccess(true);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setDomStorageEnabled(true);
btnopen.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
String datadisplay = "<html><body><center>Hi,This example explain about<br></br><b> how to Load html data in webview<b/><br></br></center></body></html>";
String tabledisplay = "<center><table border=1>" +
"<tr>" +
"<td><b>Ram</b></td>" +
"<td><b>Ramudu</b></td>" +
"</tr>" +
"<tr>" +
"<td><b>samba</b></td>" +
"<td><b>Ravi</b></td>" +
"</tr>" +
"</table></center>";
webView.loadData(datadisplay+"\n"+tabledisplay, "text/html; charset=utf-8",null);
}
});
}
}
Finally run your application
OUTPUT:
After running application click on Load Data button then it will load the data in webview
