webview加載重定向頁面時(shí)候贮尖，會(huì)出現(xiàn)返回不了上一頁的情況。
hitTestResult==null解決重定向問題
public class MainActivity extends Activity {
private Button mRefreshButton;
private WebView mWebView;
public void onCreate(Bundle savedInstance) {
super.onCreate(savedInstance);
setContentView(R.layout.main);
mWebView = (WebView) findViewById(R.id.webview);
mRefreshButton = (Button) findViewById(R.id.refresh);
mRefreshButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mWebView.reload();
}
});
WebSettings webSettings = mWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
mWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
WebView.HitTestResult hitTestResult = view.getHitTestResult();
//hitTestResult==null解決重定向問題
if (!TextUtils.isEmpty(url) && hitTestResult == null) {
view.loadUrl(url);
return true;
}
return super.shouldOverrideUrlLoading(view, url);
}
});
mWebView.loadUrl("http://www.gap.com/");
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(event.getAction() == KeyEvent.ACTION_DOWN) {
switch(keyCode) {
case KeyEvent.KEYCODE_BACK:
if(mWebView.canGoBack()){
mWebView.goBack();
return true;
}
break;
}
}
return super.onKeyDown(keyCode, event);
}
}