Reputation: 4002
I've followed the tutorial on the cloud print website and created a Print activity by copy and pasting the example code.
I'm trying to print an image from the MediaStore but when I get as far as the print screen nothing happens after I press the 'Print' button.
This is the code I'm using to call the intent
Intent printIntent = new Intent(GalleryActivity.this, PrintDialogActivity.class);
Uri fileUri = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, Long.toString(imageId));
Log.d(this, "File Uri:" + fileUri);
printIntent.setDataAndType(fileUri, "image/*");
startActivity(printIntent);
The Uri being logged looks like content://media/external/images/media/26848
The Logcat output when I press the print button is
[INFO:CONSOLE(1)] "Uncaught TypeError: Object [object Object] has no method 'getType'", source: https://www.google.com/cloudprint/dialog.html (1)
[INFO:CONSOLE(280)] "Uncaught TypeError: Cannot call method 'k' of null", source: https://www.google.com/cloudprint/client/442365700-dialog_mobile.js (280)
Edit: I've tested on a couple of other devices and I don't get the above log output, so it may not be related. However, the result is the same on every device; when I press the print button in the webview nothing happens.
Upvotes: 2
Views: 367
Reputation: 41
Add the @JavascriptInterface in the methods of PrintDialogJavaScriptInterface class.
final class PrintDialogJavaScriptInterface {
@JavascriptInterface
public String getType() {
return cloudPrintIntent.getType();
}
@JavascriptInterface
public String getTitle() {
return cloudPrintIntent.getExtras().getString("title");
}
@JavascriptInterface
public String getContent() {
try {
ContentResolver contentResolver = getContentResolver();
InputStream is = contentResolver.openInputStream(cloudPrintIntent.getData());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[4096];
int n = is.read(buffer);
while (n >= 0) {
baos.write(buffer, 0, n);
n = is.read(buffer);
}
is.close();
baos.flush();
return Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return "";
}
@JavascriptInterface
public String getEncoding() {
return CONTENT_TRANSFER_ENCODING;
}
@JavascriptInterface
public void onPostMessage(String message) {
if (message.startsWith(CLOSE_POST_MESSAGE_NAME)) {
finish();
}
}
}
Upvotes: 4