Develop Reference

How can I skip an activity created by androids CAMERA_ACTIVITY?

I'm using androids default camera capture and then a crop library to take a photo then crop it to a square to be displayed on the next layout, the picture stored on the device and a record created on a database.
Intent camera_intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
camera_intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(image_file));
startActivityForResult(camera_intent, CAM_REQUEST);
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if(requestCode==2 || requestCode == 6709) {
if (resultCode == RESULT_CANCELED) {
} else if (resultCode == RESULT_OK) {
//Crop.pickImage(this);
if (requestCode == Crop.REQUEST_CROP && resultCode == RESULT_OK) {
//doSomethingWithCroppedImage(outputUri);
setResult(resultCode);
} else {
File cropme = new File(tempPicture[4]);
if (Build.VERSION.SDK_INT >= 24) {
try {
Method m = StrictMode.class.getMethod("disableDeathOnFileUriExposure");
m.invoke(null);
} catch (Exception e) {
e.printStackTrace();
}
}
new Crop(Uri.fromFile(cropme)).output(Uri.fromFile(cropme)).asSquare().start(this);
}
}
}
The problem is there is a picture confirmation page as shown below that's redundant and will save the user a lot of time if I'm able to remove it.
How can I go about either editing the default camera capture activity or using another camera template online?
I'd like to make process as efficient as possible so if there's a better way of doing this let me know.

The problem is there is a picture confirmation page as shown below that's redundant and will save the user a lot of time if I'm able to remove it.
Do not use ACTION_IMAGE_CAPTURE. Use the camera APIs directly (e.g., android.hardware.Camera, android.hardware.camera2.*) or via a library that wraps them (e.g., CameraKit-Android, Fotoapparat).
How can I go about either editing the default camera capture activity
There are ~10,000 Android device models. These ship with dozens, if not hundreds, of different camera apps. Plus, users install their own. Any of those can respond to ACTION_IMAGE_CAPTURE. Whether any of them have a confirmation screen is up to the developers of those apps, not you. If you want complete control over the camera experience, do not delegate photo-taking to ACTION_IMAGE_CAPTURE, but write your own camera code.

Barcode app Scan result display on screen

I am trying to make a barcode scanning app. I am stuck at the point where I am able to scan the barcode but now I want to show the barcode image along with decoded barcode number and other details on the screen and then provide a button to proceed to next screen. How should I go about it? I am unable to understand should I call an intent to new activity or the layout view. If I call the new activity, how do I pass the barcode that's decoded and other details to new activity?
Help.
Want something like this after scanning a barcode:

you can get and use that barcode anywhere, as:
uid is a textview where i have added the result from ZXing (Zebra Crossing) library activity.:
#Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == 0) {
Log.e("test 1",String.valueOf(requestCode));
if (resultCode == RESULT_OK) {
Log.e("test 2",intent.getStringExtra("SCAN_RESULT_FORMAT"));
Log.e("test 3",intent.getStringExtra("SCAN_RESULT"));
Toast.makeText(getApplicationContext(), intent.getStringExtra("SCAN_RESULT"), Toast.LENGTH_LONG).show();
uid.setText(intent.getStringExtra("SCAN_RESULT")) ;
} else if (resultCode == RESULT_CANCELED) {
Log.e("test 4",String.valueOf(requestCode));
}
}
}

Over Image you are seeing in sample image is a generated barcode not a actual picture captured from the camera.
For this you can use iText is a great Java PDF library. They also have an API for creating barcodes. You don't need to be creating a PDF to use it.
BarcodeEAN codeEAN = new BarcodeEAN();
codeEAN.setCodeType(codeEAN.EAN13);
codeEAN.setCode("9780201615883");
Image imageEAN = codeEAN.createImageWithBarcode(cb, null, null);

Android-TV speech recognition with manual input

I've implementing voice-search on my Android-TV app using the following small code
private void displaySpeechRecognizer() {
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
startActivityForResult(intent, SPEECH_REQUEST_CODE);
}
#Override
public void onActivityResult(int requestCode, int resultCode,
Intent data) {
if (requestCode == SPEECH_REQUEST_CODE && resultCode == -1) {
List<String> results = data.getStringArrayListExtra(
RecognizerIntent.EXTRA_RESULTS);
String spokenText = results.get(0);
Toast.makeText(getActivity(), spokenText, Toast.LENGTH_LONG).show();
}
super.onActivityResult(requestCode, resultCode, data);
}
This is all working well and I get the result back for further processing.
The problem is that I also want to give the user the possibility to enter the search-string manually with the virtual keyboard.
In Googles own apps you do this be simply pressing RIGHT on the remote to give focus to the textbox after pressing the voice-search icon.
In my example above I can see the "built-in-textbox" when I press the search icon but if I try to navigate to it the search is interrupted and closed.
How do I access the search-textbox? This should cancel voice-input and bring up the keyboard instead, just like Play Store app.

Are you using Leanback support library for your Android TV app design?
I guess "Google Play Store app" and "YouTube app" are using BrowseFragment & SearchFragment for search. These Fragments are providing build-in search UI.
For the implementation, see Google's sample source code or SearchFragment – Android TV app Tutorial 12.

Android Zxing (barcode library). How to change the after scan intent

I am developing an Android application, I need to embed the Zxing scanner. The application should allow the user to scan a QR Code and then store the QR code ID of the product and parse it from an XML file. As yet, I have used the simple code:
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
intent.setPackage(getPackageName());
intent.putExtra("com.google.zxing.client.android.SCAN.SCAN_MODE", "QR_CODE_MODE");
startActivityForResult(intent, 0);
What this code does is, scans the product and bring me back to the previous screen of my app. I haven't included the entire library from Zxing as I wanted the Barcode scanner to handle it, but it seems I have to do more than I already have done.

You need to make an onActivityResult method that will get the callback once barcode scanner is done. Inside there you will handle the code string and do whatever you like with it.
/*Here is where we come back after the Barcode Scanner is done*/
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
// contents contains whatever the code was
String contents = intent.getStringExtra("SCAN_RESULT");
// Format contains the type of code i.e. UPC, EAN, QRCode etc...
String format = intent.getStringExtra("SCAN_RESULT_FORMAT");
// Handle successful scan
Log.i("TAG",format + "\t" + contents);
} else if (resultCode == RESULT_CANCELED) {
// Handle cancel. If the user presses 'back' before a code is scanned.
Log.i("TAG","Canceled");
}
}
}
This example just logs the results, you'll need to expand upon it to do whatever you want with the info you get back from the scanner.

Better still, use the IntentIntegrator class supplied with the project. It wraps up all the details listed here and its documentation already tells you exactly how to integrate it into your app. It deals with things for you like getting the app installed if not already.

Basic ZXING library application

I am trying to produce
public Button.OnClickListener mScan = new Button.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
startActivityForResult(intent, 0);
}
};
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
String contents = intent.getStringExtra("SCAN_RESULT");
String format = intent.getStringExtra("SCAN_RESULT_FORMAT");
// Handle successful scan
} else if (resultCode == RESULT_CANCELED) {
// Handle cancel
}
}
}
Using the libraries therefore not needing to install the software, I have had a look at the application that comes with it, and added CaptureActivity.java to my project to see if I can locate the core scanning loop but it kept just requiring more and more files (ended up with about 28 in total) and after I had no errors it still didn't work.
I am not looking into doing anything fancy, just on a button click open the capture layout, scan a code, return the code.
There are a few examples on how to decode local files but not the actual scanning side of it to detect a actual barcode.
So, what I help with is embedding the scanning code
Thanks

I think you're mixing up two things. The code you have shows you are trying to integrate via Intent, in which case you do not need any project code in your application at all.
The source in android/ is a complete stand-alone app (Barcode Scanner) and it is not written for you to copy (although the Apache License permits it). What you are doing is not supported, recommended, or encouraged -- integrating via Intent is much easier.
Write your own app, perhaps looking to the Android source code for inspiration, and that uses the core/ library for scanning. The core scanning happens in DecodeThread.