public class WebViewActivity extends BaseActivity implements OnClickListener {
private WebView mWebView;
private ImageView mBack;
private TextView mTitle;
private Context mcontext;
private Handler handler;
private boolean mIsHotActivity = false;
@Override
protected void onCreate(Bundle arg0) {
setContentView(R.layout.oa_webview_layout);
mWebView = (WebView) findViewById(R.id.webview);
mBack = (ImageView) findViewById(R.id.back);
mTitle = (TextView) findViewById(R.id.title);
mBack.setOnClickListener(this);
Bundle bundle = this.getIntent().getExtras();
final String url = bundle.getString("url");
final String title = bundle.getString("title");
mTitle.setText(title);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
mWebView.getSettings().setDefaultTextEncodingName("utf-8");
mWebView.getSettings().setAllowFileAccess(true);
mWebView.getSettings().setAllowFileAccessFromFileURLs(true);
mWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String loadUrl) {
view.loadUrl(loadUrl);
return true;
}
mWebView.loadUrl(url);
}
switch(msg.what){
case 0:
Bundle bundle=msg.getData();
String failingUrl=bundle.getString("FAILINGURL");
mWebView.loadUrl(failingUrl); break;
default: break;
}
}
};
super.onCreate(arg0);
}
//此方法能让返回键返回到上一个页面,而不是直接退出WebViewActivity
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if((keyCode==KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()){
mWebView.goBack();
return true;
}
else if((keyCode==KeyEvent.KEYCODE_BACK) && !mWebView.canGoBack()){
finish();
}
return false;
}
@Override
protected void onPause() {
super.onPause();
}
private void destoryWebView() {
if (mWebView != null) {
mWebView.removeAllViews();
mWebView.destroy();
mWebView = null;
}
}
@Override
protected void onDestroy() {
destoryWebView();
super.onDestroy();
}
@Override
protected void onStop() {
destoryWebView();
super.onStop();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.back:
destoryWebView();
finish();
break;
default:
break;
}
}
}
原文链接:http://www.apkbus.com/blog-653697-59423.html
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