main.java
private WebView wv;
//Definir campos
private static final int FILECHOOSER_RESULCODE =1;
private ValueCallback<Uri> mUploadMessage;
private ValueCallback<Uri[]> mUploadMessages;
private Uri mCapturedImageUri = null;
//Fin
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getSupportActionBar().hide();// Oculta la cabecera.
wv = (WebView) findViewById(R.id.wv);
wv.loadUrl("https://Mobile.xhtml");
wv.setWebViewClient(new MyClient());
wv.setWebChromeClient(new GoogleClient());
WebSettings webSettings = wv.getSettings();
webSettings.setJavaScriptEnabled(true);
wv.getSettings().setDomStorageEnabled(true);
wv.getSettings().setAllowFileAccess(true);
wv.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
wv.clearCache(false);
wv.setWebChromeClient(new WebChromeClient(){
//Implementacion de Canvas de archivos
public void openFileChooser(ValueCallback<Uri> uploadMsg, String accepType){
mUploadMessage = uploadMsg;
openImageChooser();
}
public boolean onShowFileChooser(WebView mWebView, ValueCallback<Uri[]> filePathCallback, WebChromeClient.FileChooserParams filechooserParams){
mUploadMessages = filePathCallback;
openImageChooser();
return true;
}
public void openFileChooser(ValueCallback<Uri> uploadMsg){
openFileChooser(uploadMsg, "");
}
public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture){
openFileChooser(uploadMsg, acceptType);
}
//Fin
});
//Metodo para descargar pdf
wv.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.setMimeType(mimeType);
String cookies = CookieManager.getInstance().getCookie(url);
request.addRequestHeader("cookie", cookies);
request.addRequestHeader("User-Agent", userAgent);
request.setDescription("Descargando pdf..."); //request.setDescription("Downloading file...");
request.setTitle(URLUtil.guessFileName(url, contentDisposition,mimeType));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalFilesDir(MainActivity.this,Environment.DIRECTORY_DOWNLOADS,".pdf");
DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getApplicationContext(), "Descargando pdf...",Toast.LENGTH_LONG).show();
}});
wv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
wv.loadUrl("TU WEB ");
}
});
}
//metodo para abrir google drive
private void openImageChooser(){
try{
File imageStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "FolderName");
if (!imageStorageDir.exists()){
imageStorageDir.mkdirs();
}
File file = new File(imageStorageDir + File.separator + "IMG_" + String.valueOf(System.currentTimeMillis()) + ".jpg");
mCapturedImageUri = Uri.fromFile(file);
final Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedImageUri);
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("image/*");
Intent chooserIntent = Intent.createChooser(i, "Image Chooser");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Parcelable[]{captureIntent});
startActivityForResult(chooserIntent, FILECHOOSER_RESULCODE);
} catch (Exception e){
e.printStackTrace();
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent){
super.onActivityResult(requestCode, resultCode, intent);
if (requestCode==FILECHOOSER_RESULCODE){
if (null == mUploadMessage && null == mUploadMessages){
return;
}
if (null != mUploadMessage){
handleUploadMessage(requestCode, resultCode, intent);
} else if (mUploadMessages != null){
handleUploadMessages(requestCode, resultCode, intent);
}
}
}
private void handleUploadMessage(int requestCode, int resultCode, Intent intent) {
Uri result = null;
try {
if (resultCode != RESULT_OK){
result = null;
} else {
result = intent == null ? mCapturedImageUri : intent.getData();
}
} catch (Exception e){
e.printStackTrace();
}
mUploadMessage.onReceiveValue(result);
mUploadMessage = null;
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void handleUploadMessages(int requestCode, int resultCode, Intent intent) {
Uri[] results = null;
try {
if (resultCode != RESULT_OK){
results = null;
} else {
if (intent != null){
String dataString = intent.getDataString();
ClipData clipData = intent.getClipData();
if (clipData != null){
results = new Uri[clipData.getItemCount()];
for (int i = 0; i < clipData.getItemCount(); i++){
ClipData.Item item = clipData.getItemAt(i);
results[i] = item.getUri();
}
}
if (dataString != null){
results = new Uri[]{Uri.parse(dataString)};
}
} else {
results = new Uri[]{mCapturedImageUri};
}
}
} catch (Exception e){
e.printStackTrace();
}
mUploadMessages.onReceiveValue(results);
mUploadMessages = null;
}
class MyClient extends WebViewClient
{
@Override
public void onPageStarted(WebView view,String url,Bitmap favicon){
super.onPageStarted(view,url,favicon);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view,String Url)
{
view.loadUrl(Url);
return true;
}
@Override
public void onPageFinished(WebView view,String url)
{
super.onPageFinished(view,url);
}
}
class GoogleClient extends WebChromeClient
{
@Override
public void onProgressChanged(WebView view,int newProgress)
{
super.onProgressChanged(view,newProgress);
}
}
@Override
public void onBackPressed() {
if (wv.canGoBack())
wv.goBack();
else
super.onBackPressed();
}Esto fue robado de: https://es.stackoverflow.com/questions/106689/c%C3%B3mo-acceder-a-la-c%C3%A1mara-con-webview-android
