Android增强的Webview组件,该组件可根据意图开箱即用
在root build.gradle中声明gradle存储库
allprojects {
repositories {
maven { url " https://jitpack.io " }
}
}在您的应用模块的build.gradle中声明gradle依赖性
dependencies {
implementation ' com.github.delight-im:Android-AdvancedWebView:v3.2.1 '
}< uses-permission android : name = " android.permission.INTERNET " />< im .delight.android.webview.AdvancedWebView
android : id = " @+id/webview "
android : layout_width = " match_parent "
android : layout_height = " match_parent " /> public class MyActivity extends Activity implements AdvancedWebView . Listener {
private AdvancedWebView mWebView ;
@ Override
protected void onCreate ( Bundle savedInstanceState ) {
super . onCreate ( savedInstanceState );
setContentView ( R . layout . activity_my );
mWebView = ( AdvancedWebView ) findViewById ( R . id . webview );
mWebView . setListener ( this , this );
mWebView . setMixedContentAllowed ( false );
mWebView . loadUrl ( "http://www.example.org/" );
// ...
}
@ SuppressLint ( "NewApi" )
@ Override
protected void onResume () {
super . onResume ();
mWebView . onResume ();
// ...
}
@ SuppressLint ( "NewApi" )
@ Override
protected void onPause () {
mWebView . onPause ();
// ...
super . onPause ();
}
@ Override
protected void onDestroy () {
mWebView . onDestroy ();
// ...
super . onDestroy ();
}
@ Override
protected void onActivityResult ( int requestCode , int resultCode , Intent intent ) {
super . onActivityResult ( requestCode , resultCode , intent );
mWebView . onActivityResult ( requestCode , resultCode , intent );
// ...
}
@ Override
public void onBackPressed () {
if (! mWebView . onBackPressed ()) { return ; }
// ...
super . onBackPressed ();
}
@ Override
public void onPageStarted ( String url , Bitmap favicon ) { }
@ Override
public void onPageFinished ( String url ) { }
@ Override
public void onPageError ( int errorCode , String description , String failingUrl ) { }
@ Override
public void onDownloadRequested ( String url , String suggestedFilename , String mimeType , long contentLength , String contentDisposition , String userAgent ) { }
@ Override
public void onExternalPageRequest ( String url ) { }
}android.app.Fragment碎片)注意:如果您正在使用支持库( android.support.v4.app.Fragment )中的Fragment类,请参阅下一部分(请参见下文),而不是该部分。
public class MyFragment extends Fragment implements AdvancedWebView . Listener {
private AdvancedWebView mWebView ;
public MyFragment () { }
@ Override
public View onCreateView ( LayoutInflater inflater , ViewGroup container , Bundle savedInstanceState ) {
View rootView = inflater . inflate ( R . layout . fragment_my , container , false );
mWebView = ( AdvancedWebView ) rootView . findViewById ( R . id . webview );
mWebView . setListener ( this , this );
mWebView . setMixedContentAllowed ( false );
mWebView . loadUrl ( "http://www.example.org/" );
// ...
return rootView ;
}
@ SuppressLint ( "NewApi" )
@ Override
public void onResume () {
super . onResume ();
mWebView . onResume ();
// ...
}
@ SuppressLint ( "NewApi" )
@ Override
public void onPause () {
mWebView . onPause ();
// ...
super . onPause ();
}
@ Override
public void onDestroy () {
mWebView . onDestroy ();
// ...
super . onDestroy ();
}
@ Override
public void onActivityResult ( int requestCode , int resultCode , Intent intent ) {
super . onActivityResult ( requestCode , resultCode , intent );
mWebView . onActivityResult ( requestCode , resultCode , intent );
// ...
}
@ Override
public void onPageStarted ( String url , Bitmap favicon ) { }
@ Override
public void onPageFinished ( String url ) { }
@ Override
public void onPageError ( int errorCode , String description , String failingUrl ) { }
@ Override
public void onDownloadRequested ( String url , String suggestedFilename , String mimeType , long contentLength , String contentDisposition , String userAgent ) { }
@ Override
public void onExternalPageRequest ( String url ) { }
}android.support.v4.app.Fragment ) Fragment图
改变
mWebView . setListener ( this , this );到
mWebView . setListener ( getActivity (), this );将以下代码添加到父FragmentActivity中,以便将FragmentActivity的结果转发到适当的Fragment实例
public class MyActivity extends FragmentActivity implements AdvancedWebView . Listener {
@ Override
public void onActivityResult ( int requestCode , int resultCode , Intent intent ) {
super . onActivityResult ( requestCode , resultCode , intent );
if ( mFragment != null ) {
mFragment . onActivityResult ( requestCode , resultCode , intent );
}
}
} -keep class * extends android.webkit.WebChromeClient { *; }
-dontwarn im.delight.android.webview.**
如果您想通过普通的http而不是https提供站点或仅提供单个资源,则如果您以Android 8.1(API级别27)或更早的态度,通常没有什么可做的。但是,在Android 9(API级别28)及以后,默认情况下,ClearText支持被禁用。您可能必须在AndroidManifest.xml中的<application> element上设置android:usesCleartextTraffic="true"或提供自定义网络安全配置。
优化以最佳性能和安全性
功能在Android版本上进行修补
文件上传是自动处理的(使用AdvancedWebView.isFileUploadAvailable() )自动处理。
multiple属性)上传多个文件。用于选择文件的应用程序(即通常是画廊或文件管理器应用程序)必须提供选择多个文件的控件,而某些应用程序则不提供。默认启用JavaScript和Webstorage
包括25种口语最广泛的语言的本地化
页面开始/结束加载或有错误时接收回调
@ Override
public void onPageStarted ( String url , Bitmap favicon ) {
// a new page started loading
}
@ Override
public void onPageFinished ( String url ) {
// the new page finished loading
}
@ Override
public void onPageError ( int errorCode , String description , String failingUrl ) {
// the new page failed to load
}下载是自动处理的,可以收听
@ Override
public void onDownloadRequested ( String url , String suggestedFilename , String mimeType , long contentLength , String contentDisposition , String userAgent ) {
// some file is available for download
// either handle the download yourself or use the code below
if ( AdvancedWebView . handleDownload ( this , url , suggestedFilename )) {
// download successfully handled
}
else {
// download couldn't be handled because user has disabled download manager app on the device
// TODO show some notice to the user
}
}启用地理位置支持(需求<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> )
mWebView . setGeolocationEnabled ( true );除了通过Web浏览器实现发送的添加自定义HTTP标头
mWebView . addHttpHeader ( "X-Requested-With" , "My wonderful app" );定义一组允许的主机名并接收所有其他主机名的回调
mWebView . addPermittedHostname ( "example.org" );和
@ Override
public void onExternalPageRequest ( String url ) {
// the user tried to open a page from a non-permitted hostname
}防止html页面缓存
boolean preventCaching = true ;
mWebView . loadUrl ( "http://www.example.org/" , preventCaching );检查设备上安装的替代浏览器
if ( AdvancedWebView . Browsers . hasAlternative ( this )) {
AdvancedWebView . Browsers . openUrl ( this , "http://www.example.org/" );
}禁用饼干
// disable third-party cookies only
mWebView . setThirdPartyCookiesEnabled ( false );
// or disable cookies in general
mWebView . setCookiesEnabled ( false );允许或禁止(被动和主动)混合内容(HTTP内容在HTTPS站点内加载)
mWebView . setMixedContentAllowed ( true );
// or
mWebView . setMixedContentAllowed ( false );在移动和桌面模式之间切换
mWebView . setDesktopMode ( true );
// or
// mWebView.setDesktopMode(false);从“资产”加载html文件(例如, app/src/main/assets/html/index.html )
mWebView . loadUrl ( "file:///android_asset/html/index.html" );从SD卡加载HTML文件
// <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
if ( Environment . getExternalStorageState (). equals ( Environment . MEDIA_MOUNTED )) {
mWebView . getSettings (). setAllowFileAccess ( true );
mWebView . loadUrl ( "file:///sdcard/Android/data/com.my.app/my_folder/index.html" );
}加载HTML源文本并显示为页面
myWebView . loadHtml ( "<html>...</html>" );
// or
final String myBaseUrl = "http://www.example.com/" ;
myWebView . loadHtml ( "<html>...</html>" , myBaseUrl );启用多窗口支持
myWebView . getSettings (). setSupportMultipleWindows ( true );
// myWebView.getSettings().setJavaScriptEnabled(true);
// myWebView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
myWebView . setWebChromeClient ( new WebChromeClient () {
@ Override
public boolean onCreateWindow ( WebView view , boolean isDialog , boolean isUserGesture , Message resultMsg ) {
AdvancedWebView newWebView = new AdvancedWebView ( MyNewActivity . this );
// myParentLayout.addView(newWebView, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
WebView . WebViewTransport transport = ( WebView . WebViewTransport ) resultMsg . obj ;
transport . setWebView ( newWebView );
resultMsg . sendToTarget ();
return true ;
}
}欢迎所有贡献!如果您想做出贡献,请先创建一个问题,以便可以讨论您的功能,问题或问题。
该项目是根据MIT许可证的条款获得许可的。