我是 Android 的新手,并且尽我所能学习 - 请不要扔石头。
感谢@commonsguy 的精彩示例: https ://github.com/commonsguy/cw-omnibus/blob/master/Presentation/Simple/app/src/main/java/com/commonsware/android/preso/simple/ MainActivity.java
我可以在辅助显示器上显示一个网站(我的情况是 Miracast 外接显示器)。
- 目前该网站已显示,但我无法与之交互(向上、向下、单击链接、输入用户名、密码等)。有没有办法让这个区域作为输入准备好?(连接了硬件键盘和鼠标,希望能够使用它们来导航页面)
已添加逻辑为什么 Android WebView 拒绝用户输入?但这也无济于事。
/**
Copyright (c) 2013 CommonsWare, LLC
Licensed under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy
of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
by applicable law or agreed to in writing, software distributed under the
License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
OF ANY KIND, either express or implied. See the License for the specific
language governing permissions and limitations under the License.
Covered in detail in the book _The Busy Coder's Guide to Android Development_
https://commonsware.com/Android
*/
package com.example.danielsz.simpledisplay;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.Presentation;
import android.content.Context;
import android.media.MediaRouter;
import android.media.MediaRouter.RouteInfo;
import android.media.MediaRouter.SimpleCallback;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.Display;
import android.view.MotionEvent;
import android.view.View;
import android.webkit.WebView;
public class MainActivity extends Activity {
MediaRouter router=null;
Presentation preso=null;
SimpleCallback cb=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
@Override
protected void onStart() {
super.onStart();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
if (cb==null) {
cb=new RouteCallback();
router=(MediaRouter)getSystemService(MEDIA_ROUTER_SERVICE);
}
handleRoute(router.getSelectedRoute(MediaRouter.ROUTE_TYPE_LIVE_VIDEO));
router.addCallback(MediaRouter.ROUTE_TYPE_LIVE_VIDEO, cb);
}
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
@Override
protected void onStop() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
clearPreso();
if (router != null) {
router.removeCallback(cb);
}
}
super.onStop();
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private void handleRoute(RouteInfo route) {
if (route == null) {
clearPreso();
}
else {
Display display=route.getPresentationDisplay();
if (route.isEnabled() && display != null) {
if (preso == null) {
showPreso(route);
Log.d(getClass().getSimpleName(), "enabled route");
}
else if (preso.getDisplay().getDisplayId() != display.getDisplayId()) {
clearPreso();
showPreso(route);
Log.d(getClass().getSimpleName(), "switched route");
}
else {
// no-op: should already be set
}
}
else {
clearPreso();
Log.d(getClass().getSimpleName(), "disabled route");
}
}
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private void clearPreso() {
if (preso != null) {
preso.dismiss();
preso=null;
}
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private void showPreso(RouteInfo route) {
preso=new SimplePresentation(this, route.getPresentationDisplay());
preso.show();
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private class RouteCallback extends SimpleCallback {
@Override
public void onRoutePresentationDisplayChanged(MediaRouter router,
RouteInfo route) {
handleRoute(route);
}
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private class SimplePresentation extends Presentation {
SimplePresentation(Context ctxt, Display display) {
super(ctxt, display);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
WebView wv=new WebView(getContext());
wv.getSettings().setJavaScriptEnabled(true);
wv.loadUrl("https://ctxtsprodeme.xendesktop.net/");
setContentView(wv);
}
}
}
非常感谢。丹尼尔