下面列出了android.webkit.WebView#setBackgroundColor ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public IncomingMessageViewHolder(View itemView) {
super(itemView);
attachmentsContainer = itemView.findViewById(R.id.attachmentsContainer);
senderName = itemView.findViewById(R.id.senderName);
selectedBubble = itemView.findViewById(R.id.selectedMessageBubble);
replayButton = itemView.findViewById(R.id.replayButton);
WebView invisibleInkView = new WebView(getActivity());
invisibleInkView.getSettings().setJavaScriptEnabled(true);
invisibleInkView.setBackgroundColor(Color.TRANSPARENT);
invisibleInkView.addJavascriptInterface(this, "weMessage");
invisibleInkView.setVerticalScrollBarEnabled(false);
invisibleInkView.setHorizontalScrollBarEnabled(false);
bubble.addView(invisibleInkView);
this.invisibleInkView = invisibleInkView;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mainhelp);
TextView versionTextView = (TextView) findViewById(R.id.versionTextView);
if (versionTextView != null) {
versionTextView.setText("v" + BuildConfig.VERSION_NAME);
}
WebView infoWebView = (WebView) findViewById(R.id.infoWebView);
if (infoWebView != null) {
infoWebView.setBackgroundColor(Color.TRANSPARENT);
infoWebView.loadUrl("file:///android_asset/help/app_help.html");
}
}
public void viewGoogleLicenses(View myview) {
try {
if (!appended) {
final String googleLicense = GoogleApiAvailability.getInstance().getOpenSourceSoftwareLicenseInfo(getApplicationContext());
if (googleLicense != null) {
String whiteheader = "<font size=-2 color=white><pre>";
String whitefooter = "</font></pre>";
WebView textview = (WebView) findViewById(R.id.webView);
textview.setBackgroundColor(Color.TRANSPARENT);
textview.getSettings().setJavaScriptEnabled(false);
textview.loadDataWithBaseURL("", whiteheader + googleLicense + whitefooter, "text/html", "UTF-8", "");
appended = true;
findViewById(R.id.googlelicenses).setVisibility(View.INVISIBLE);
findViewById(R.id.webView).setVisibility(View.VISIBLE);
} else {
UserError.Log.d(TAG, "Nullpointer getting Google License: errorcode:" + GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(getApplicationContext()));
findViewById(R.id.googlelicenses).setVisibility(View.INVISIBLE);
}
}
} catch (Exception e) {
// meh
}
}
@Override
public final void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (getView() == null) {
return;
}
WebView webView = getView().findViewById(R.id.webViewDisplayHtml);
webView.setBackgroundColor(0x00000000);
setOpenLinksInExternalBrowser(webView);
String html = getString(mResource);
if (mResource == R.string.html_release_notes_base) {
int indexBody = html.indexOf("</body>");
String releaseNotes =
ReleaseNotesUtil.getReleaseNotesHtml(getActivity(), false, 1, Application.getVersion());
html = html.substring(0, indexBody) + releaseNotes + html.substring(indexBody);
}
// add style
int index = html.indexOf("</head>");
html = html.substring(0, index) + STYLE + html.substring(index);
webView.loadDataWithBaseURL("file:///android_res/drawable/", html, "text/html", "utf-8", "");
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_about);
getSupportActionBar().setTitle(getString(R.string.about));
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
progressBar = (ProgressBar) findViewById(R.id.progress);
progressBar.getIndeterminateDrawable()
.setColorFilter(ContextCompat.getColor(this, R.color.colorPrimary), PorterDuff.Mode.SRC_IN);
info_web = (WebView) findViewById(R.id.webview_company_info);
info_web.setBackgroundColor(Color.TRANSPARENT);
info_web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
info_web.setWebViewClient(new myWebClient());
info_web.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
info_web.getSettings().setJavaScriptEnabled(true);
info_web.getSettings().setDefaultFontSize((int) getResources().getDimension(R.dimen.about_text_size));
String infoText = getString(R.string.company_info_web);
info_web.loadDataWithBaseURL("file:///android_asset/fonts/", getWebViewText(infoText), "text/html", "utf-8", null);
}
public void viewGoogleLicenses(View myview) {
try {
if (!appended) {
final String googleLicense = GoogleApiAvailability.getInstance().getOpenSourceSoftwareLicenseInfo(getApplicationContext());
if (googleLicense != null) {
String whiteheader = "<font size=-2 color=white><pre>";
String whitefooter = "</font></pre>";
WebView textview = (WebView) findViewById(R.id.webView);
textview.setBackgroundColor(Color.TRANSPARENT);
textview.getSettings().setJavaScriptEnabled(false);
textview.loadDataWithBaseURL("", whiteheader + googleLicense + whitefooter, "text/html", "UTF-8", "");
appended = true;
findViewById(R.id.googlelicenses).setVisibility(View.INVISIBLE);
findViewById(R.id.webView).setVisibility(View.VISIBLE);
} else {
UserError.Log.d(TAG, "Nullpointer getting Google License: errorcode:" + GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(getApplicationContext()));
findViewById(R.id.googlelicenses).setVisibility(View.INVISIBLE);
}
}
} catch (Exception e) {
// meh
}
}
@SuppressLint("SetJavaScriptEnabled")
public static void displayArticle(WebView webView, Article article, Context context) {
String styles = "iframe, img { width: 100%; }";
if (isDarkTheme(context)) {
webView.setBackgroundColor(Color.BLACK);
styles += "body { background-color: #000000; color: #F6F6F6; } a { color: #0099FF; }";
}
String html = String.format("<html><head><meta charset=\"utf-8\"><link rel=\"stylesheet\" type=\"text/css\" href=\"http://cdn.uservoice.com/stylesheets/vendor/typeset.css\"/><style>%s</style></head><body class=\"typeset\" style=\"font-family: sans-serif; margin: 1em\"><h3>%s</h3>%s</body></html>", styles, article.getTitle(), article.getHtml());
webView.setWebChromeClient(new WebChromeClient());
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setPluginState(PluginState.ON);
webView.loadUrl(String.format("data:text/html;charset=utf-8,%s", Uri.encode(html)));
}
@Override
public void onProgressChanged(WebView view, int progress) {
mProgress.setProgress(progress);
if (progress < 100) {
mProgress.setVisibility(View.VISIBLE);
} else {
mProgress.setVisibility(GONE);
}
if (UserPreferences.getBoolean("dark_mode_web", false) && view != null) {
CSSInjection.injectDarkMode(SimplicityApplication.getContextOfApplication(), view);
view.setBackgroundColor(Color.parseColor("#202020"));
}
super.onProgressChanged(view, progress);
}
@SuppressLint("SetJavaScriptEnabled")
public static void displayArticle(WebView webView, Article article, Context context) {
String styles = "iframe, img { max-width: 100%; }";
if (isDarkTheme(context)) {
webView.setBackgroundColor(Color.parseColor("#303030"));
styles += "body { background-color: #303030; color: #F6F6F6; } a { color: #0099FF; }";
}
String html = String.format("<html><head><meta charset=\"utf-8\"><link rel=\"stylesheet\" type=\"text/css\" href=\"http://cdn.uservoice.com/stylesheets/vendor/typeset.css\"/><style>%s</style></head><body class=\"typeset\" style=\"font-family: sans-serif; margin: 1em\"><h3>%s</h3><br>%s</body></html>", styles, article.getTitle(), article.getHtml());
webView.setWebChromeClient(new WebChromeClient());
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setPluginState(PluginState.ON);
webView.loadUrl(String.format("data:text/html;charset=utf-8,%s", Uri.encode(html)));
}
@Override
View createView() {
if (getContext() == null)
return new View(getContext());
LayoutInflater inflater = LayoutInflater.from(getContext());
webView = new WebView(inflater.getContext());
webView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
webView.setBackgroundColor(AppTheme.getThemeStyleWebViewBackground());
loadWebView();
return webView;
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final WebView webView = (WebView) LayoutInflater.from(getActivity()).inflate(R.layout.about_dialog, null);
final String lang = Locale.getDefault().getLanguage();
String uri = "file:///android_asset/about.html";
try {
// Load language-specific version of the about page if available.
final List<String> assets = Arrays.asList(getResources().getAssets().list(""));
if (assets.contains(String.format("about-%s.html", lang))) {
uri = String.format("file:///android_asset/about-%s.html", lang);
}
} catch (IOException e) {
e.printStackTrace();
}
if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
// Getting Chromium crashes on certain KitKat devices. Might be caused by hardware acceleration
webView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
webView.loadUrl(uri);
webView.setBackgroundColor(Color.TRANSPARENT);
return new AlertDialog.Builder(getActivity())
.setTitle(R.string.about)
.setView(webView)
.setPositiveButton(R.string.ok, null)
.create();
}
private void c()
{
m = new a((Context)o.get());
m.setBackgroundColor(0x66000000);
m.setLayoutParams(new android.widget.RelativeLayout.LayoutParams(-1, -1));
n = new WebView((Context)o.get());
n.setBackgroundColor(0);
n.setBackgroundDrawable(null);
android.widget.RelativeLayout.LayoutParams layoutparams;
if (android.os.Build.VERSION.SDK_INT >= 11)
{
try
{
Class aclass[] = new Class[2];
aclass[0] = Integer.TYPE;
aclass[1] = android/graphics/Paint;
Method method = android/view/View.getMethod("setLayerType", aclass);
WebView webview = n;
Object aobj[] = new Object[2];
aobj[0] = Integer.valueOf(1);
aobj[1] = new Paint();
method.invoke(webview, aobj);
}
catch (Exception exception)
{
exception.printStackTrace();
}
}
layoutparams = new android.widget.RelativeLayout.LayoutParams(-1, p);
layoutparams.addRule(13, -1);
n.setLayoutParams(layoutparams);
m.addView(n);
m.a(this);
setContentView(m);
}
/**
* <p>Attach the swipeRefreshLayout, which contains the shared webView, to the TurbolinksView.</p>
*
* @param webView The shared webView.
* @param screenshotsEnabled Indicates whether screenshots are enabled for the current session.
* @param pullToRefreshEnabled Indicates whether pull to refresh is enabled for the current session.
* @return True if the webView has been attached to a new parent, otherwise false
*/
boolean attachWebView(WebView webView, boolean screenshotsEnabled, boolean pullToRefreshEnabled) {
if (webView.getParent() == refreshLayout) return false;
refreshLayout.setEnabled(pullToRefreshEnabled);
if (webView.getParent() instanceof TurbolinksSwipeRefreshLayout) {
TurbolinksSwipeRefreshLayout previousRefreshLayout = (TurbolinksSwipeRefreshLayout) webView.getParent();
TurbolinksView previousTurbolinksView = (TurbolinksView) previousRefreshLayout.getParent();
if (screenshotsEnabled) previousTurbolinksView.screenshotView();
try {
// This is an admittedly hacky workaround, but it buys us some time as we investigate
// a potential bug with Chrome 64, which is currently throwing an IllegalStateException
// when accessibility services (like Talkback or 1password) are enabled.
// We're tracking this bug on the Chromium issue tracker:
// https://bugs.chromium.org/p/chromium/issues/detail?id=806108
previousRefreshLayout.removeView(webView);
} catch (Exception e) {
previousRefreshLayout.removeView(webView);
}
}
// Set the webview background to match the container background
if (getBackground() instanceof ColorDrawable) {
webView.setBackgroundColor(((ColorDrawable) getBackground()).getColor());
}
refreshLayout.addView(webView);
return true;
}
private void c()
{
WebView webview = (WebView)findViewById(0x7f0a003b);
WebSettings websettings = webview.getSettings();
websettings.setUseWideViewPort(true);
websettings.setLoadWithOverviewMode(true);
webview.setLayerType(1, null);
webview.setBackgroundColor(0);
webview.setInitialScale((100 * getResources().getDisplayMetrics().densityDpi) / 480);
webview.loadUrl("file:///android_asset/startup.gif");
(new Handler()).postDelayed(new b(this), 4800L);
C.setEnabled(false);
r.setEnabled(false);
s.setEnabled(false);
}
@Override
protected void initViews() {
super.initViews();
mGetIntent=getIntent();
if(hasTitleImage()) {
mCollapsingToolbarLayout = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar_layout);
mCollapsingToolbarLayout.setTitle(mGetIntent.getStringExtra(TITLE));
mTitleImage = (ImageView)findViewById(R.id.titleImage);
mTitleImage.post(new Runnable() {
@Override
public void run() {
Glide.with(NewsDetileActivity.this).load(mGetIntent.getStringExtra(IMAGE_URL))
.placeholder(R.color.colorPrimary)
.into(mTitleImage);
}
});
} else {
mToolBar.setBackgroundResource(R.color.colorPrimary);
}
mWebView = new WebView(getApplicationContext());
mWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.setBackgroundColor(0);
mWebLayout.addView(mWebView);
getNewsDetail();
}
@Override
public void setDefaultAttr(WebView view) {
// 去除滚动条白色背景，必须在代码里面添加才有效
view.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
view.setScrollbarFadingEnabled(true);
view.setDrawingCacheEnabled(true);
view.setLongClickable(true);
view.setBackgroundResource(android.R.color.transparent);
view.setBackgroundColor(Color.TRANSPARENT);
view.getBackground().setAlpha(0);
view.setFocusable(true);
view.setFocusableInTouchMode(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.gallery_large_layout, container, false);
final WebView large = (WebView) view.findViewById(R.id.large);
large.setBackgroundColor(getResources().getColor(R.color.transparent));
large.setVisibility(View.INVISIBLE);
large.setOverScrollMode(View.OVER_SCROLL_NEVER);
if (SettingUtils.allowClickToCloseGallery()) {
large.setOnTouchListener(new LargeOnTouchListener(large));
}
LongClickListener longClickListener = ((BigPicContainerFragment) getParentFragment()).getLongClickListener();
large.setOnLongClickListener(longClickListener);
final String path = getArguments().getString("path");
large.getSettings().setJavaScriptEnabled(true);
large.getSettings().setUseWideViewPort(true);
large.getSettings().setLoadWithOverviewMode(true);
large.getSettings().setBuiltInZoomControls(true);
large.getSettings().setDisplayZoomControls(false);
large.setVerticalScrollBarEnabled(false);
large.setHorizontalScrollBarEnabled(false);
large.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
boolean animateIn = getArguments().getBoolean("animationIn");
if (animateIn) {
showContent(path, large);
} else {
/**
* webview will influence other imageview animation performance
*/
new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {
@Override
public void run() {
showContent(path, large);
}
}, GeneralPictureFragment.ANIMATION_DURATION + 300);
}
return view;
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ToolsTracker.info("Opened credits");
WebView webview = new WebView(this);
setContentView(webview);
webview.setBackgroundColor(Color.BLACK);
String credits =
"<html><body><font color=\"white\">" +
"<font size=\"4\"><u><b>Devs</b></u></font>" +
"<font size=\"2\"><br/>" +
"<b>Philip Peng</b> (Keripo)" +
"<br/>Keripo is the project's lead developer/current maintainer and works on the game's timing engine, osu! Mod, and various other features/settings. He is currently a junior studying Computer Engineering at University of Pennsylvania. You can contact Keripo via email at <i>[email protected]</i> or via freenode's IRC channels: <i>#stepmania-devs #android #android-dev #ipodlinux #stwinglounge</i>" +
"<br/><br/><b>Matthew Croop</b> (mcroop)" +
"<br/>Matt worked on the game's graphics engine, holds mechanics, and various optimization stuff. He is currently a junior studying Computer Science at University of Pennsylvania. You can contact Matt via email at <i>[email protected]</i>" +
"<br/><br/><b>Yui Suveepattananont</b>" +
"<br/>Yui created part of the game's original graphics. She is currently a sophomore studying Digital Media Design at University of Pennsylvania. You can contact Yui via email at <i>[email protected]</i>" +
"</font>" +
"<br/><br/><font size=\"4\"><u><b>Thanks</b></u></font>" +
"<font size=\"2\">" +
"<br/>Special thanks go to:" +
"<br/>- All the members of the <a href=\"http://beatsportable.com/updates/\">Beats Portable Google group</a> who help out with testing" +
"<br/>- All the forum users at <a href=\"http://beatsportable.com/forums/\">Beats Portable forums</a> who providing valuable feedback and suggestions" +
"<br/>- All the IRC-goers at <i>#android-dev</i> for advice/suggestions with programming my first app" +
"<br/>- All the IRC-goers at <i>#stepmania-devs</i> for helping me with the .sm/.dwi format and simulation" +
"<br/>- All the devs and peppy at <a href=\"http://osu.ppy.sh/forum/\">osu! forums</a> for providing the .osu format specs (ask peppy for them)" +
"<br/>- All the translators at <a href=\"http://crowdin.net/project/beats\">Beats crowdin project</a> for help spreading the word (localized!)" +
"<br/>- All of you users for making this project worthwhile and fun!" +
"</font>" +
"<br/><br/><u><font size=\"4\"><b>Credits</b></u></font>" +
"<font size=\"2\">" +
"<br/>- Font in logo: <a href=\"http://www.dafont.com/happy-killer.font\">dafont</a>" +
"<br/>- Double arrow in logo: <a href=\"http://www.psych.ufl.edu/~vollmer/images/750px-Double-arrow.svg.png\">vollmer</a>" +
"<br/>- File browser/popup icons: <a href=\"http://www.everaldo.com/crystal/\">Crystal Project</a>" +
"<br/>- .sm file icon: <a href=\"http://www.stepmania.com/wiki/Downloads\">StepMania</a>" +
"<br/>- .dwi file icon: <a href=\"http://dwi.ddruk.com/downloads.php\">Dance With Intensity</a>" +
"<br/>- .osu file icon: <a href=\"http://osu.ppy.sh/images/head-left.jpg\">osu!</a>" +
"<br/>- \"Blue\" background image: <a href=\"http://www.desktopwallpapers.in/images/wallpapers/computer-music-561760.jpeg\">desktopwallpapers</a>" +
"<br/>- \"Red\" background image: <a href=\"http://media-wallpapers.theotaku.com/1280-by-800-368923-20090813034932.jpg\">theotaku</a>" +
"<br/>- \"White\" background image: <a href=\"http://www.wallpaper4me.com/images/wallpapers/headphonecommander-406985.jpeg\">wallpaper4me</a>" +
"<br/> (based off the original from <a href=\"http://www.diverse.jp/download/d12-hiiragi-1920.jpg\">Diverse System</a>" +
"<br/><br/><i>~Keripo</i>" +
"</font>" +
"</font></body></html>"
;
webview.loadData(credits, "text/html", "utf-8");
}
private void drawInnerViews(Context context, AttributeSet attrs){
float density = context.getResources().getDisplayMetrics().density;
int value16 = (int)(16*density);
int value10 = (int)(10*density);
int value40 = (int)(40*density);
LayoutParams mainLayoutParams = new LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
mainLayoutParams.setMargins(value16,value16,value16,value16);
setLayoutParams(mainLayoutParams);
//creation & addition of webview
webview = new WebView(context, attrs);
webview.setId(android.R.id.content);
webview.setLayoutParams(
new LayoutBuilder()
.addWidth(LayoutParams.MATCH_PARENT)
.addHeight(LayoutParams.WRAP_CONTENT)
.setMargin(value10,value40,0,0)
.create()
);
webview.getSettings();
webview.setBackgroundColor(Color.argb(0,0,0,0));
addView(webview);
//creation of list view
listView = new ListView(context, attrs);
listView.setId(android.R.id.list);
listView.setLayoutParams(
new LayoutBuilder()
.addWidth(LayoutParams.MATCH_PARENT)
.addHeight(LayoutParams.WRAP_CONTENT)
.setMargin(0,value10,0,0)
.addRule(BELOW, webview.getId() )
.create()
);
addView(listView );
//creation & addition of editText
editTv = new AppCompatEditText(context, attrs);
editTv.setVisibility(GONE);
editTv.setId(android.R.id.text1);
editTv.setLayoutParams(
new LayoutBuilder()
.addWidth(LayoutParams.MATCH_PARENT)
.addHeight(LayoutParams.WRAP_CONTENT)
.setMargin(value10, value10, 0, 0)
.addRule(BELOW, webview.getId())
.create()
);
editTv.setInputType(InputType.TYPE_CLASS_TEXT);
editTv.setImeOptions(EditorInfo.IME_ACTION_DONE);
addView(editTv );
}
@Override
@TargetApi(Build.VERSION_CODES.M)
public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
super.onReceivedError(view, request, error);
view.setBackgroundColor(Color.WHITE);
}