布局文件
<?xml version=”1.0″ encoding=”utf-8″?>
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="@dimen/base_3dp"
android:progressDrawable="@drawable/progressbar" />
<WebView
android:id="@+id/mWebView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
public class HtmlWebView extends LinearLayout { private ProgressBar progressView;//进度条 private Context context; private WebView mWebView;
public WebView getWebView() {
return mWebView;
}
public ProgressBar getProgressView() {
return progressView;
}
public HtmlWebView(Context context) {
this(context,null);
this.context = context;
}
public HtmlWebView(Context context, AttributeSet attrs) {
this(context, attrs,0);
this.context = context;
}
public HtmlWebView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.context = context;
init();
}
private void init() {
//初始化进度条
View view = LayoutInflater.from(context).inflate(R.layout.base_progress_layout_horizontal, this,false);
mWebView = view.findViewById(R.id.mWebView);
progressView=view.findViewById(R.id.progressBar);
//把进度条加到Webview中
addView(view);
}
}
代码
public class WebViewActivity extends BaseActivity<IWebViewView,WebViewPresenterImpl> {
private HtmlWebView mWebView;
private TextView tvTitle;
private String title;
@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_web_view);
tvTitle = findViewById(R.id.tvTitle);
mWebView = findViewById(R.id.webView);
Intent intent = getIntent();
title = intent.getStringExtra("title");
if (title!=null) {
tvTitle.setText(title);
}
settingWebNew();
}
@SuppressLint("SetJavaScriptEnabled")
private void settingWebNew(){
WebSettings settings = mWebView.getWebView().getSettings();
settings.setJavaScriptEnabled(true);
settings.setUseWideViewPort(true);
// 设置加载进来的页面自适应手机屏幕
settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NORMAL);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
settings.setMediaPlaybackRequiresUserGesture(false);
}
settings.setPluginState(WebSettings.PluginState.ON);
settings.setRenderPriority(WebSettings.RenderPriority.HIGH); // 提高渲染的优先级
if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.LOLLIPOP){
settings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
}
settings.setPluginState(WebSettings.PluginState.ON);
settings.setDomStorageEnabled(true);// 必须保留，否则无法播放优酷视频，其他的O
mWebView.getWebView().loadUrl(TextUtils.isEmpty(getIntent().getStringExtra("url")) ?"https://www.hao123.com/":getIntent().getStringExtra("url"));
}
private View customView;
private FrameLayout fullscreenContainer;
private WebChromeClient.CustomViewCallback customViewCallback;
/** 视频播放全屏 **/
private void showCustomView(View view, WebChromeClient.CustomViewCallback callback) {
// if a view already exists then immediately terminate the new one
if (customView != null) {
callback.onCustomViewHidden();
return;
}
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);//设置横屏
this.getWindow().getDecorView();
FrameLayout decor = (FrameLayout) getWindow().getDecorView();
fullscreenContainer = new FullscreenHolder(WebViewActivity.this);
fullscreenContainer.addView(view, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
decor.addView(fullscreenContainer, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
customView = view;
customViewCallback = callback;
}
/** 隐藏视频全屏 */
private void hideCustomView() {
if (customView == null) {
return;
}
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);//设置竖屏
FrameLayout decor = (FrameLayout) getWindow().getDecorView();
decor.removeView(fullscreenContainer);
fullscreenContainer = null;
customView = null;
customViewCallback.onCustomViewHidden();
mWebView.setVisibility(View.VISIBLE);
}
/** 全屏容器界面 */
static class FullscreenHolder extends FrameLayout {
public FullscreenHolder(Context ctx) {
super(ctx);
setBackgroundColor(ctx.getResources().getColor(android.R.color.black));
}
@Override
public boolean onTouchEvent(MotionEvent evt) {
return true;
}
}
@Override
public void onConfigurationChanged(Configuration config) {
super.onConfigurationChanged(config);
switch (config.orientation) {
case Configuration.ORIENTATION_LANDSCAPE:
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
break;
case Configuration.ORIENTATION_PORTRAIT:
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
break;
}
}
@Override
protected WebViewPresenterImpl createPresent() {
return new WebViewPresenterImpl();
}
@Override
public void initEvent() {
findViewById(R.id.ivBack).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
}
});
mWebView.getWebView().setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
});
mWebView.getWebView().setWebChromeClient(new WebChromeClient() {
@Override
public void onProgressChanged(WebView view, int newProgress) {
super.onProgressChanged(view, newProgress);
if (newProgress == 100) {
//加载完毕进度条消失
mWebView.getProgressView().setVisibility(View.GONE);
} else {
//更新进度
mWebView.getProgressView().setProgress(newProgress);
}
}
/*** 视频播放相关的方法 **/
@Override
public void onReceivedTitle(WebView view, String title) {
super.onReceivedTitle(view, title);
tvTitle.setText(title);
}
@Override
public View getVideoLoadingProgressView() {
FrameLayout frameLayout = new FrameLayout(WebViewActivity.this);
frameLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
return frameLayout;
}
@Override
public void onShowCustomView(View view, CustomViewCallback callback) {
showCustomView(view, callback);
}
@Override
public void onHideCustomView() {
hideCustomView();
}
});
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mWebView != null) {
// 如果先调用destroy()方法，则会命中if (isDestroyed()) return;这一行代码，需要先onDetachedFromWindow()，再
mWebView.getWebView().stopLoading();
// 退出时调用此方法，移除绑定的服务，否则某些特定系统会报错
mWebView.getWebView().getSettings().setJavaScriptEnabled(false);
mWebView.getWebView().clearHistory();
mWebView.getWebView().clearView();
mWebView.removeAllViews();
mWebView.getWebView().destroy();
}
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
/** 回退键 事件处理 优先级:视频播放全屏-网页回退-关闭页面 */
if (customView != null) {
hideCustomView();
} else if (mWebView.getWebView().canGoBack()) {
mWebView.getWebView().goBack();
} else {
finish();
}
return true;
default:
return super.onKeyUp(keyCode, event);
}
}
}
由于刚开始设置
View view = LayoutInflater.from(context).inflate(R.layout.base_progress_layout_horizontal, null);导致WebView加载出来的界面没有显示出正常的高度，被变形压缩了
LayoutInflater.from(this).inflate()参数解析:https://blog.csdn.net/fesdgasdgasdg/article/details/72870280
