Reputation: 21
I'm a beginner at Android Development this is my Project : I want to go back to the previous page in the WebView.
When i run the code these are the errors : 1. Error:(67, 5) error: method does not override or implement a method from a supertype 2. Error:(75, 18) error: cannot find symbol method onBackPressed() 3. Error:(70, 13) error: cannot find symbol variable view
package com.veereshc.veer.resultapp;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.view.KeyEvent;
import com.veereshc.veer.resultapp.dummy.DummyContent;
public class WebpageDetailFragment extends Fragment {
public static final String ARG_ITEM_ID = "item_id";
private DummyContent.DummyItem mItem;
public WebpageDetailFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments().containsKey(ARG_ITEM_ID)) {
mItem = DummyContent.ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_webpage_detail, container, false);
if (mItem != null) {
WebView view = (WebView) rootView.findViewById(R.id.detail_area);
view.setWebViewClient(new WebViewClient());
view.loadUrl(mItem.url);
}
return rootView;
}
@Override
public void onBackPressed(){
if(view.canGoBack()){
view.goBack();
}
else
{
super.onBackPressed();
}
}
}
Upvotes: 0
Views: 2807
Reputation: 1909
use onBackPressed method like this
@Override
public void onBackPressed() {
if (myWebView.canGoBack()) {
myWebView.goBack();
} else {
super.onBackPressed();
}
}
Upvotes: 1
Reputation: 14011
There are two ways of Go Back To Previous Page if Back is Pressed in WebView:
First, override onBackPressed()
:
@Override
public void onBackPressed() {
// TODO Auto-generated method stub
if (webview.canGoBack()) {
webview.goBack();
return;
} else {
super.onBackPressed();
}
}
Second, override onKeyDown
:
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// TODO Auto-generated method stub
if (keyCode == KeyEvent.KEYCODE_BACK && webview.canGoBack()) {
webview.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
Upvotes: 1