他们是我做错了什么吗?我必须包含一些库吗?
我试过添加 Youtube Api,但这没有帮助。
编辑#1:这是 WebView 代码
在某些情况下,音频播放有效,但不是视频,它只是一个试图加载视频的旋转圆圈动画。
package com.PAKGN.Mizzy;
import android.app.Activity;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.Toolbar;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
import android.webkit.WebSettings;
private WebView webView1;
private Toolbar toolbar;
private String title;
private String url;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_webview);
// this.getWindow().requestFeature(Window.FEATURE_PROGRESS);
WebView myWebView = (WebView) findViewById(R.id.webView1);
WebSettings webSettings = myWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
title = getIntent().getExtras().getString("title");
url = getIntent().getExtras().getString("url");
getSupportActionBar().setTitle(title);
if (savedInstanceState != null) {
((WebView) findViewById(R.id.webView1)).restoreState(savedInstanceState);
} else {
webView1 = (WebView) findViewById(R.id.webView1);
webView1.getSettings().setJavaScriptEnabled(true);
webView1.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
final Activity activity = this;
webView1.setWebViewClient(new WebViewClient()
{
@Override
public boolean shouldOverrideUrlLoading(WebView view,
String url) {
// TODO Auto-generated method stub
view.loadUrl(url);
return true;
}
});
webView1.setWebChromeClient(new WebChromeClient() {
public void onProgressChanged(WebView view, int progress) {
// Activities and WebViews measure progress with different scales.
// The progress meter will automatically disappear when we reach 100%
activity.setProgress(progress * 1000);
}
});
webView1.setWebViewClient(new WebViewClient() {
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
Toast.makeText(activity, "Oh no! " + description, Toast.LENGTH_SHORT).show();
}
});
runOnUiThread(new Runnable() {
@Override
public void run() {
// Code for WebView goes here
webView1.loadUrl(url);
}
});
}
}
@Override
protected void onSaveInstanceState(Bundle outState ){
((WebView) findViewById(R.id.webView1)).saveState(outState);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Check if the key event was the Back button and if there's history
if ((keyCode == KeyEvent.KEYCODE_BACK) && webView1.canGoBack()) {
webView1.goBack();
return true;
}
// If it wasn't the Back key or there's no web page history, bubble up to the default
// system behavior (probably exit the activity)
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// Respond to the action bar's Up/Home button
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
.