android 監聽webView滑動距離和標題欄顏色漸變
阿新 • • 發佈：2019-01-04
重寫webView之 X5WebView
import android.annotation.SuppressLint; import android.content.Context; import android.graphics.drawable.Drawable; import android.util.AttributeSet; import android.util.Log; import android.view.ActionMode; import android.view.Menu; import android.view.MenuItem; import android.widget.AbsoluteLayout;import android.widget.FrameLayout; import android.widget.ProgressBar; import android.widget.TextView; import com.tencent.smtt.sdk.WebSettings; import com.tencent.smtt.sdk.WebView; import com.tencent.smtt.sdk.WebViewClient; import com.yuanxin.clan.R; import com.yuanxin.clan.core.app.UserNative; importcom.yuanxin.clan.core.company.utils.MyWebChromeClient; import com.yuanxin.clan.core.util.FastJsonUtils; import com.yuanxin.clan.mvp.entity.UserAgentParam; import com.yuanxin.clan.mvp.utils.CommonString; import java.util.ArrayList; import java.util.List; public class X5WebView extends WebView { privateProgressBar progressbar; //進度條 private int progressHeight = 10; //進度條的高度，預設10px TextView title; private ActionMode mActionMode; private List<String> mActionList = new ArrayList<>(); private WebViewClient client = new WebViewClient() { /** * 防止載入網頁時調起系統瀏覽器 */ public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } // 重寫 WebViewClient 的 shouldInterceptRequest （） // API 21 以下用shouldInterceptRequest(WebView view, String url) // API 21 以上用shouldInterceptRequest(WebView view, WebResourceRequest request) // 下面會詳細說明 // API 21 以下用shouldInterceptRequest(WebView view, String url) // @Override // public WebResourceResponse shouldInterceptRequest(WebView view, String url) { // if (url.contains("jquery.js")) // { // String localPath = url.replaceFirst("^http.*[tag]\\]", ""); // try // { // InputStream is = getContext().getAssets().open(localPath); // String mimeType = "text/javascript"; // if (localPath.endsWith("css")) // { // mimeType = "text/css"; // } // return new WebResourceResponse(mimeType, "UTF-8", is); // } // catch (Exception e) // { // e.printStackTrace(); // } // } // return super.shouldInterceptRequest(view, url); // } // // // // API 21 以上用shouldInterceptRequest(WebView view, WebResourceRequest request) // @TargetApi(Build.VERSION_CODES.LOLLIPOP) // @Override // public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) { // String url = request.getUrl().toString(); // if (url.contains("[tag]")) // { // String localPath = url.replaceFirst("^http.*[tag]\\]", ""); // try // { // InputStream is = getContext().getAssets().open(localPath); // String mimeType = "text/javascript"; // if (localPath.endsWith("css")) // { // mimeType = "text/css"; // } // return new WebResourceResponse(mimeType, "UTF-8", is); // } // catch (Exception e) // { // e.printStackTrace(); // } // } // return super.shouldInterceptRequest(view, request); // } }; public OnScrollListener listener; /** * This is called in response to an internal scroll in this view (i.e., the * view scrolled its own contents). This is typically as a result of * {@link #scrollBy(int, int)} or {@link #scrollTo(int, int)} having been * called. * * @param l Current horizontal scroll origin. * @param t Current vertical scroll origin. * @param oldl Previous horizontal scroll origin. * @param oldt Previous vertical scroll origin. */ @Override protected void onScrollChanged(int l, int t, int oldl, int oldt) { super.onScrollChanged(l, t, oldl, oldt); if (listener != null){ if (t - oldt <= 2){ listener.onScrollDown(); } if(oldt - t >= 2) { listener.onScrollUp(); } listener.scrollHeight(t); } } public void setListener(OnScrollListener listener){ this.listener = listener; } public interface OnScrollListener{ void onScrollUp();//上滑 void onScrollDown();//下滑 void scrollHeight(int h); } //這兩個方法會在使用者長按選擇web文字時，在彈出選單前被呼叫。 @Override public ActionMode startActionMode(ActionMode.Callback callback) { ActionMode actionMode = startActionMode(callback); Log.e("hxw", actionMode.toString()); return resolveActionMode(actionMode); } @Override public ActionMode startActionMode(ActionMode.Callback callback, int type) { ActionMode actionMode = startActionMode(callback, type); Log.e("hxw", actionMode.toString() + " " + type); return resolveActionMode(actionMode); } //處理item，處理點選 private ActionMode resolveActionMode(ActionMode actionMode) { if (actionMode != null) { final Menu menu = actionMode.getMenu(); mActionMode = actionMode; menu.clear(); Log.e("hxw", mActionList.toString()); for (int i = 0; i < mActionList.size(); i++) { menu.add(mActionList.get(i)); } for (int i = 0; i < menu.size(); i++) { MenuItem menuItem = menu.getItem(i); menuItem.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { // getSelectedData((String) item.getTitle()); // releaseAction(); return true; } }); } } mActionMode = actionMode; return actionMode; } //設定彈出action列表 public void setActionList(List<String> actionList) { mActionList = actionList; } @SuppressLint("SetJavaScriptEnabled") public X5WebView(Context arg0, AttributeSet arg1) { super(arg0, arg1); initWebViewSettings(arg0); this.setWebViewClient(client); this.setWebChromeClient(new MyWebChromeClient(arg0, progressbar)); // this.setWebChromeClient(chromeClient); // WebStorage webStorage = WebStorage.getInstance(); this.getView().setClickable(true); } public void setProgressbarDrawable(Drawable d) { progressbar.setProgressDrawable(d); } private void initWebViewSettings(Context context) { //建立進度條 progressbar = new ProgressBar(context, null, android.R.attr.progressBarStyleHorizontal); //設定載入進度條的高度 progressbar.setLayoutParams(new AbsoluteLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, progressHeight, 0, 0)); Drawable drawable = context.getResources().getDrawable(R.drawable.progressbar_blue); progressbar.setProgressDrawable(drawable); //新增進度到WebView addView(progressbar); WebSettings webSetting = this.getSettings(); webSetting.setJavaScriptEnabled(true); webSetting.setJavaScriptCanOpenWindowsAutomatically(true); webSetting.setAllowFileAccess(true); webSetting.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS); webSetting.setSupportZoom(true); webSetting.setBuiltInZoomControls(true); webSetting.setUseWideViewPort(true); webSetting.setSupportMultipleWindows(true); // webSetting.setLoadWithOverviewMode(true); webSetting.setAppCacheEnabled(false); // webSetting.setDatabaseEnabled(true); webSetting.setDomStorageEnabled(true); webSetting.setGeolocationEnabled(true); webSetting.setAppCacheMaxSize(Long.MAX_VALUE); webSetting.setTextSize(WebSettings.TextSize.NORMAL); // webSetting.setPageCacheCapacity(IX5WebSettings.DEFAULT_CACHE_CAPACITY); webSetting.setPluginState(WebSettings.PluginState.ON_DEMAND); // webSetting.setRenderPriority(WebSettings.RenderPriority.HIGH); webSetting.setCacheMode(WebSettings.LOAD_DEFAULT); webSetting.setDisplayZoomControls(false); this.setWebContentsDebuggingEnabled(true); String ua = webSetting.getUserAgentString(); UserAgentParam up = new UserAgentParam(CommonString.appTag, UserNative.getId(), UserNative.getName(), UserNative.getPhone(), UserNative.getPwd(), UserNative.getEpId()); webSetting.setUserAgent(ua + "&" + FastJsonUtils.toJSONString(up)); webSetting.setLoadsImagesAutomatically(true); Log.e("hxw", webSetting.getUserAgentString()); // this.getSettingsExtension().setPageCacheCapacity(IX5WebSettings.DEFAULT_CACHE_CAPACITY);//extension // settings 的設計 } // @Override // protected boolean drawChild(Canvas canvas, View child, long drawingTime) { // boolean ret = super.drawChild(canvas, child, drawingTime); // canvas.save(); // Paint paint = new Paint(); // paint.setColor(0x7fff0000); // paint.setTextSize(24.f); // paint.setAntiAlias(true); // if (getX5WebViewExtension() != null) { // canvas.drawText(this.getContext().getPackageName() + "-pid:" // + android.os.Process.myPid(), 10, 50, paint); // canvas.drawText( // "X5 Core:" + QbSdk.getTbsVersion(this.getContext()), 10, // 100, paint); // } else { // canvas.drawText(this.getContext().getPackageName() + "-pid:" // + android.os.Process.myPid(), 10, 50, paint); // canvas.drawText("Sys Core", 10, 100, paint); // } // canvas.drawText(Build.MANUFACTURER, 10, 150, paint); // canvas.drawText(Build.MODEL, 10, 200, paint); // canvas.restore(); // return ret; // } /*public X5WebView(Context arg0) { super(arg0); setBackgroundColor(85621); }*/ }
webview 監聽滑動距離
mWebview.setListener(new X5WebView.OnScrollListener() { @Override public void onScrollUp() { Logger.e("up"); } @Override public void onScrollDown() { Logger.e("down"); } @Override public void scrollHeight(int h) { if (h > 0) { headLayout.setBackgroundResource(R.color.epblueyl);//標題欄顏色漸變 } float f = (h + 0f) / 450;//滑動距離450px if (f > 1) { f = 1f; } if (f < 0) { f = 0; } // headLayout.setAlpha(f*1); headLayout.setBackgroundColor(ColorUtils.changeAlpha(ContextCompat.getColor(YxServiceActivity.this, R.color.epblueyl),(int)(f * 1 * 0xff))); } });