1 public final class Text1Fm extends Fragment { 2 3 4 static WebView mWeb; 5 private View mContentView; 6 private static final String APP_CACAHE_DIRNAME = "/webcache"; 7 8 private Handler handler = new Handler() { 9 @Override 10 public void handleMessage(Message message) { 11 switch (message.what) { 12 case 1: { 13 mWeb.goBack(); 14 } 15 break; 16 } 17 } 18 }; 23 24 @Override 25 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 26 27 mContentView = inflater.inflate(R.layout.baiduwebview, null); 28 mWeb = (WebView) mContentView.findViewById(R.id.wv); 29 30 31 WebSettings settings = mWeb.getSettings(); 32 settings.setJavaScriptEnabled(true); 33 mWeb.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); 34 mWeb.getSettings().setSupportZoom(true); //支持放大缩小 35 mWeb.getSettings().setBuiltInZoomControls(true); 36 mWeb.loadUrl("你的网址"); 37 settings.setUseWideViewPort(true); 38 settings.setLoadWithOverviewMode(true); 39 mWeb.getSettings().setSaveFormData(true);// 保存表单数据 40 mWeb.setWebViewClient(new WebViewClient()); 41 String cacheDirPath = getActivity().getFilesDir().getAbsolutePath() + APP_CACAHE_DIRNAME; //缓存路径 42 43 mWeb.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK); //缓存模式 44 mWeb.getSettings().setAppCachePath(cacheDirPath); //设置缓存路径 45 mWeb.getSettings().setAppCacheEnabled(true); //开启缓存功能 46 47 mWeb.setOnKeyListener(new View.OnKeyListener() { 48 49 public boolean onKey(View v, int keyCode, KeyEvent event) { 50 if ((keyCode == KeyEvent.KEYCODE_BACK) && mWeb.canGoBack()) {
if(keyEvent.getAction()==KeyEvent.ACTION_DOWN){ //只处理一次 51 handler.sendEmptyMessage(1);
} 52 return true; 53 } 54 return false; 55 } 56 57 }); 58 return mContentView; 59 } 60 }