private WebView webView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webview);
webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
final Button previousButton =(Button) findViewById(R.id.previousButton);
previousButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(webView.canGoBack()){
webView.goBack();
}
}
});
final Button forwardButton =(Button) findViewById(R.id.forwardButton);
forwardButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(webView.canGoForward()){
webView.goForward();
}
}
});
webView.setWebViewClient(new WebViewClient() {
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
// TODO Auto-generated method stub
super.onPageStarted(view, url, favicon);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(webView, url);
previousButton.setEnabled(view.canGoBack());
forwardButton.setEnabled(view.canGoForward());
}
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
super.onReceivedError(webView, errorCode, description, failingUrl);
Toast.makeText(WebViewActivity.this, description, Toast.LENGTH_LONG);
}
});
webView.loadUrl("");
webview.xmlファイル
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<WebView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/webView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
<Button
android:id="@+id/previousButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:enabled="false"
android:text="previous"/>
<Button
android:id="@+id/forwardButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/previousButton"
android:text="forward"
android:enabled="false" />
</RelativeLayout>