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POSaving pictures from the camera in Android
 

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    <p>You'll have to bear with me, I'm very new to Android and my Java skills are "rusty" at best.</p> <p>I was pretty excited to get the barcode scan bit working with very little effort indeed, but the camera side of things really isn't proving as easy.</p> <p>I've got a main Activity class that calls for a barcode when it starts up;</p> <pre><code>/** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button cameraButton = (Button) findViewById(R.id.cameraButton); cameraButton.setOnClickListener( new OnClickListener(){ public void onClick(View v ){ IntentIntegrator.initiateScan(MakroDroidActivity.this, "Please scan order barcode", "Please scan a valid order barcode", "Yes", "No"); } }); } </code></pre> <p>Working so far and I correctly handle the intent as shown:</p> <pre><code>protected void onActivityResult(int requestCode, int resultCode, Intent data) { switch(requestCode) { case IntentIntegrator.REQUEST_CODE: { if (resultCode != RESULT_CANCELED) { IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data); if (scanResult != null) { String upc = scanResult.getContents(); if (upc.startsWith("ORD")) { //we have a valid order barcode Camera cam = Camera.open(); cam.takePicture(shutterCallback, rawCallback, jpegCallback); } else { IntentIntegrator.initiateScan(MakroDroidActivity.this, "Please scan again", "Please scan a valid order barcode", "Yes", "No"); } } } break; } } } </code></pre> <p>I have the call backs set up (currently with no code in them) but after the barcode is scanned, the device just displays a black screen. I then need to restart the device after debugging the app because the camera is no longer available (I suspect that I have not cleaned up my reference so the camera is locked to my app)</p> <p>Can somebody explain to me how I go about using the camera and saving the output to the SD card (I'm planning on using a specific folder on the SD card with something like: </p> <pre><code>filepath = filepath + UUID.randomUUID().toString() + ".jpg"; </code></pre> <p>to save a new, non-conflicting filename to the folder.</p> <p>(Device is a T-Mobile pulse mini (Huawei manufactured I believe) and I have seen other people say there are driver issues with the camera but I am more inclined to believe it is a lack of my understanding rather than a hardware issue.)</p> <p>Thanks in advance for any assistance you can give on this.</p>
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