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我无法通过WebView下载媒体文件，无论是音频还是视频。我一直试图解决这个问题三天以上，我已经阅读了相关的威胁在互联网上这个问题，但我似乎并没有找到解决方案，我真的很感激，如果有人可以帮助我。这对我意味着很多。WebView无法从wordpress网站下载媒体（POST）
MainActivity.java
public class MainActivity extends ActionBarActivity implements ViewAnimator.ViewAnimatorListener {
private DrawerLayout drawerLayout;
private ActionBarDrawerToggle drawerToggle;
private List<SlideMenuItem> list = new ArrayList<>();
private ContentFragment contentFragment;
private ViewAnimator viewAnimator;
private LinearLayout linearLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
contentFragment = ContentFragment.newInstance(R.drawable.content_music);
getSupportFragmentManager().beginTransaction()
.replace(R.id.content_frame, contentFragment)
.commit();
drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
drawerLayout.setScrimColor(Color.TRANSPARENT);
linearLayout = (LinearLayout) findViewById(R.id.left_drawer);
linearLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
drawerLayout.closeDrawers();
}
});
setActionBar();
createMenuList();
viewAnimator = new ViewAnimator<>(this, list, contentFragment, drawerLayout, this);
}
private void setActionBar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
drawerToggle = new ActionBarDrawerToggle(
this, /* host Activity */
drawerLayout, /* DrawerLayout object */
toolbar, /* nav drawer icon to replace 'Up' caret */
R.string.drawer_open, /* "open drawer" description */
R.string.drawer_close /* "close drawer" description */
) {
/** Called when a drawer has settled in a completely closed state. */
public void onDrawerClosed(View view) {
super.onDrawerClosed(view);
linearLayout.removeAllViews();
linearLayout.invalidate();
}
@Override
public void onDrawerSlide(View drawerView, float slideOffset) {
super.onDrawerSlide(drawerView, slideOffset);
if (slideOffset > 0.6 && linearLayout.getChildCount() == 0)
viewAnimator.showMenuContent();
}
/** Called when a drawer has settled in a completely open state. */
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
}
};
drawerLayout.setDrawerListener(drawerToggle);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
drawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
drawerToggle.onConfigurationChanged(newConfig);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu_main, menu);
// Associate searchable configuration with the SearchView
SearchManager searchManager =
(SearchManager) getSystemService(Context.SEARCH_SERVICE);
SearchView searchView =
(SearchView) menu.findItem(R.id.search).getActionView();
searchView.setSearchableInfo(
searchManager.getSearchableInfo(getComponentName()));
return true;
}
protected boolean onPrepareOptionsPanel(View view, Menu menu) {
if (menu != null) {
if (menu.getClass().getSimpleName().equals("MenuBuilder")) {
try {
Method m = menu.getClass().getDeclaredMethod(
"setOptionalIconsVisible", Boolean.TYPE);
m.setAccessible(true);
m.invoke(menu, true);
} catch (Exception e) {
Log.e(getClass().getSimpleName(),
"onMenuOpened...unable to set icons for overflow menu",
e);
}
}
}
return super.onPrepareOptionsPanel(view, menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.profile) {
Intent intent=new Intent(MainActivity.this,AboutUsActivity.class);
startActivity(intent);
}
if(id==R.id.Logout){
Intent intent=new Intent(MainActivity.this,SettingActivity.class);
startActivity(intent);
}
if(id==R.id.Settings) {
Intent intent = new Intent(MainActivity.this, SettingActivity.class);
startActivity(intent);
}
if(id==R.id.About_bridgeGap){
Intent intent=new Intent(MainActivity.this,AboutUsActivity.class);
startActivity(intent);
}
return true;
}
@Override
public ScreenShotable onSwitch(Resourceble resourceble, ScreenShotable screenShotable, int position) {
int primaryColorCanvas = R.color.colorPrimary;
switch (resourceble.getName()) {
case ContentFragment.CLOSE:
return screenShotable;
case ContentFragment.HOME:
ContentFragment fragment = ContentFragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame, fragment)
.addToBackStack("Home").commit();
return replaceFragment(fragment, position);
case Artists_Fragment.ARTISTS:
Artists_Fragment fragment2 = Artists_Fragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame, fragment2)
.addToBackStack("Artists").commit();
return replaceFragment(fragment2, position);
case AudioFragment.AUDIO:
AudioFragment fragment3 = AudioFragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame, fragment3)
.addToBackStack("Audio").commit();
return replaceFragment(fragment3, position);
case VideoFragment.VIDEO:
VideoFragment fragment4 = VideoFragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame,fragment4)
.addToBackStack("Video").commit();
return replaceFragment(fragment4, position);
case InterviewsFragment.INTERVIEWS:
InterviewsFragment fragment5 = InterviewsFragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame,fragment5)
.addToBackStack("Interviews").commit();
return replaceFragment(fragment5, position);
case BlogFragment.BLOG:
BlogFragment fragment6 = BlogFragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame,fragment6)
.addToBackStack("Blog").commit();
return replaceFragment(fragment6, position);
case ContactFragment.CONTACT:
ContactFragment fragment7 = ContactFragment.newInstance(primaryColorCanvas);
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame,fragment7)
.addToBackStack("Contact").commit();
default:
return replaceFragment(screenShotable, position);
}
}
private ScreenShotable replaceFragment(ScreenShotable screenShotable, int position) {
View view = findViewById(R.id.content_frame);
int finalRadius = Math.max(view.getWidth(), view.getHeight());
SupportAnimator animator = ViewAnimationUtils.createCircularReveal(view, 0, position, 0, finalRadius);
animator.setInterpolator(new AccelerateInterpolator());
animator.setDuration(ViewAnimator.CIRCULAR_REVEAL_ANIMATION_DURATION);
findViewById(R.id.content_overlay).setBackground(new BitmapDrawable(getResources(), screenShotable.getBitmap()));
animator.start();
return screenShotable;
}
private void createMenuList() {
SlideMenuItem menuItem0 = new SlideMenuItem(contentFragment.CLOSE, R.drawable.icn_close);
list.add(menuItem0);
SlideMenuItem menuItem1 = new SlideMenuItem(contentFragment.HOME, R.drawable.home);
list.add(menuItem1);
SlideMenuItem menuIte2 = new SlideMenuItem(Artists_Fragment.ARTISTS, R.drawable.singer);
list.add(menuIte2);
SlideMenuItem menuItem3 = new SlideMenuItem(AudioFragment.AUDIO, R.drawable.music);
list.add(menuItem3);
SlideMenuItem menuItem4 = new SlideMenuItem(VideoFragment.VIDEO, R.drawable.video);
list.add(menuItem4);
SlideMenuItem menuItem5 = new SlideMenuItem(InterviewsFragment.INTERVIEWS, R.drawable.interviews);
list.add(menuItem5);
SlideMenuItem menuItem6 = new SlideMenuItem(BlogFragment.BLOG, R.drawable.blogblue);
list.add(menuItem6);
SlideMenuItem menuItem7 = new SlideMenuItem(ContactFragment.CONTACT, R.drawable.contact_us_logos);
list.add(menuItem7);
}
@Override
public void disableHomeButton() {
getSupportActionBar().setHomeButtonEnabled(false);
}
@Override
public void enableHomeButton() {
getSupportActionBar().setHomeButtonEnabled(true);
drawerLayout.closeDrawers();
}
@Override
public void onBackPressed() {
int count = getFragmentManager().getBackStackEntryCount();
if (count == 0) {
super.onBackPressed();
//additional code
} else {
getFragmentManager().popBackStack();
}
}
@Override
public void addViewToContainer(View view) {
linearLayout.addView(view);
}
}
Artists_Fragment.java
public class Artists_Fragment extends Fragment implements ScreenShotable {
private View containerView;
private WebView mwebView;
protected int res;
private Bitmap bitmap;
public ProgressBar progressBar;
public static final String ARTISTS = "Artists";
public static Artists_Fragment newInstance(int resId) {
Artists_Fragment contentFragment = new Artists_Fragment();
Bundle bundle = new Bundle();
bundle.putInt(Integer.class.getName(), resId);
contentFragment.setArguments(bundle);
return contentFragment;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
this.containerView = view.findViewById(R.id.container);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
res = getArguments().getInt(Integer.class.getName());
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_artists, container, false);
mwebView = (WebView) rootView.findViewById(R.id.webview);
mwebView.loadUrl("http://xclusiveinterviews.com/artists/");
WebSettings webSettings = mwebView.getSettings();
mwebView.getSettings().setUserAgentString("BridgeGap");
webSettings.setDomStorageEnabled(true);
webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
webSettings.setUseWideViewPort(true);
webSettings.setJavaScriptEnabled(true);
mwebView.setWebViewClient(new myWebViewClient());
mwebView.setWebChromeClient(new myWebChromeClient());
progressBar = (ProgressBar) rootView.findViewById(R.id.progressbar);
/** Handle back press for WebView **/
mwebView.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View view, int i, KeyEvent keyEvent) {
if((i==keyEvent.KEYCODE_BACK)&&mwebView.canGoBack());
mwebView.goBack();
return true;
}
});
mwebView.setDownloadListener(new DownloadListener() {
@Override
public void onDownloadStart(String url, String userAgent,
String contentDisposition, String mimetype,
long contentLength) {
DownloadManager.Request request = new DownloadManager.Request(
Uri.parse(url));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); //Notify client once download is completed!
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "Name of your downloadble file goes here, example: Mathematics II ");
DownloadManager dm = (DownloadManager) getActivity().getSystemService(Context.DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getActivity().getApplicationContext(), "Downloading File", //To notify the Client that the file is being downloaded
Toast.LENGTH_LONG).show();
}
});
return rootView;
}
private class myWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.contains("xclusiveinterviews.com")) {
view.loadUrl(url);
} else {
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(i);
}
return true;
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
progressBar.setVisibility(View.VISIBLE);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
progressBar.setVisibility(View.INVISIBLE);
}
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
super.onReceivedError(view, errorCode, description, failingUrl);
Intent intent = new Intent(getActivity(), ErrorActivity.class);
startActivity(intent);
}
}
private class myWebChromeClient extends WebChromeClient{
}
@Override
public void takeScreenShot() {
Thread thread = new Thread() {
@Override
public void run() {
Bitmap bitmap = Bitmap.createBitmap(containerView.getWidth(),
containerView.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
containerView.draw(canvas);
Artists_Fragment.this.bitmap = bitmap;
}
};
thread.start();
}
@Override
public Bitmap getBitmap() {
return bitmap;
}
}
logcat的
07-11 16:44:02.135 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onProgressChanged=0
07-11 16:44:02.137 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onPageStart, url = http://xclusiveinterviews.com
/wp-admin/admin-post.php
07-11 16:44:02.137 6393-6456/com.bridgegap.akang.bridgegap
D/WebViewCallback:
shouldInterceptRequest=http://xclusiveinterviews.com/wp-admin/admin-
post.php
07-11 16:44:02.144 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onLoadResource=http://xclusiveinterviews.com/wp-
admin/admin-post.php
07-11 16:44:02.144 6393-6489/com.bridgegap.akang.bridgegap D/libc-
netbsd: getaddrinfo: xclusiveinterviews.com get result from proxy >>
07-11 16:44:02.169 6393-6393/com.bridgegap.akang.bridgegap
D/AwContents: setContentsSize 324, 1059
07-11 16:44:02.170 6393-6393/com.bridgegap.akang.bridgegap
D/AwContents: setPageScaleFactor 1.0
07-11 16:44:04.680 6393-6456/com.bridgegap.akang.bridgegap W/chromium:
[WARNING:aw_network_delegate.cc(66)] http://xclusiveinterviews.com/wp-
admin/admin-post.php#-3#1
07-11 16:44:04.685 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onProgressChanged=100
07-11 16:44:04.702 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onPageFinished, url = http://xclusiveinterviews.com
/product/breathe-in-a-new-life/
07-11 16:44:02.135 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onProgressChanged=0
07-11 16:44:02.137 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onPageStart, url = http://xclusiveinterviews.com/wp-
admin/admin-post.php
07-11 16:44:02.137 6393-6456/com.bridgegap.akang.bridgegap
D/WebViewCallback: shouldInterceptRequest=http://xclusiveinterviews.com
/wp-admin/admin-post.php
07-11 16:44:02.144 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onLoadResource=http://xclusiveinterviews.com/wp-
admin/admin-post.php
07-11 16:44:02.144 6393-6489/com.bridgegap.akang.bridgegap D/libc-
netbsd: getaddrinfo: xclusiveinterviews.com get result from proxy >>
07-11 16:44:02.169 6393-6393/com.bridgegap.akang.bridgegap
D/AwContents: setContentsSize 324, 1059
07-11 16:44:02.170 6393-6393/com.bridgegap.akang.bridgegap D/AwContents:
setPageScaleFactor 1.0
07-11 16:44:04.680 6393-6456/com.bridgegap.akang.bridgegap W/chromium:
[WARNING:aw_network_delegate.cc(66)] http://xclusiveinterviews.com/wp-
admin/admin-post.php#-3#1
07-11 16:44:04.685 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onProgressChanged=100
07-11 16:44:04.702 6393-6393/com.bridgegap.akang.bridgegap
D/WebViewCallback: onPageFinished, url = http://xclusiveinterviews.com
/product/breathe-in-a-new-life/
我做了周围的工作，终于解决了这个问题。 Android shouldOverrideUrlLoading不支持POST方法，所以我的下载链接不工作。我做的是在我的web服务器中编辑我的.httaccess，以允许通过链接下载。稍微改变一下代码。 –