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POAndroid: Overlay on Android Camera Preview
 

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  1. POAndroid: Overlay on Android Camera Preview
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    <p>I'm using Camera API and invoking the camera. </p> <p>I want to display a header (for branding) on the top of the camera preview. The header is a jpeg image. </p> <p>Is it possible? Any help appreciated.</p> <p>Thanks in advance.</p> <p>My code goes as below.</p> <pre><code>public class CameraActivity extends Activity { @Override protected void onPause() { super.onPause(); } private static final int CAMERA_PIC_REQUEST = 2500; private Bitmap image2; private Bitmap bm; public static String imagepath; public static int x=1; private RdmsDbAdapter dbHelper; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.header); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); //caling new incident if(IncidentFormActivity.incident_id == null || IncidentFormActivity.isDisable==true){ //DBAdapter instance created and connection opened. dbHelper = new RdmsDbAdapter(CameraActivity.this); dbHelper.open(); //setting up flags NewIncidentHelper nih = new NewIncidentHelper(); nih.setUpNewIncident(); //setting up incident_id String Date= IncidentIdGenerator.getDate(); String Time = IncidentIdGenerator.getTime(); IncidentFormActivity.incident_id = IncidentIdGenerator.now("ddMMyyyyHHmmss"); dbHelper.executeSQL("insert into incident values ('" + IncidentFormActivity.incident_id + "', ' ', ' ', ' ', ' ', '"+Date+"', '0','0','0','0','0','0','0','0','0','"+Time+"')"); dbHelper.close(); } //calling camera Intent cameraIntent = new Intent( android.provider.MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(cameraIntent, CAMERA_PIC_REQUEST); } public String getPath(Uri uri) { String[] projection = { MediaStore.Images.Media.DATA }; Cursor cursor = managedQuery(uri, projection, null, null, null); int column_index = cursor .getColumnIndexOrThrow(MediaStore.Images.Media.DATA); cursor.moveToFirst(); return cursor.getString(column_index); } //back key on phone pressed @Override public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_BACK: Intent i= new Intent(CameraActivity.this, IncidentFormActivity.class); startActivity(i); this.finish(); break; default: break; } return super.onKeyDown(keyCode, event); } //handle response came from camera when the picture is taken. protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == CAMERA_PIC_REQUEST &amp;&amp; resultCode == RESULT_OK) { final ImageView img = new ImageView(this); img.setLayoutParams(new LayoutParams(100, 100)); image2 = (Bitmap) data.getExtras().get("data"); img.setImageBitmap(image2); String incident_ID = IncidentFormActivity.incident_id; //l2.addView(img); imagepath="/sdcard/RDMS/"+incident_ID+ x + ".png"; File file = new File(imagepath); try { bm = Bitmap.createScaledBitmap( image2,400, 300, true); file.createNewFile(); FileOutputStream ostream = new FileOutputStream(file); bm.compress(CompressFormat.PNG, 90, ostream); ostream.close(); //Initialising db class and inserting values dbHelper = new RdmsDbAdapter(CameraActivity.this); dbHelper.open(); dbHelper.executeSQL("insert into files values ('"+imagepath+"', '"+IncidentFormActivity.incident_id+"')"); dbHelper.close(); } catch (Exception e) { e.printStackTrace(); Toast.makeText(getApplicationContext(),"yourfirst error message is " + e.toString(), 1000).show(); } x++; final AlertDialog.Builder alert = new AlertDialog.Builder( CameraActivity.this); alert.setTitle(getString(R.string.anotherimage)); alert.setCancelable(false); //alert.setMessage("Play or Delete the Video selected"); //alert.setIcon(R.drawable.vid_red); alert.setPositiveButton(getString(R.string.yes), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { Intent sendingpage = new Intent(CameraActivity.this, CameraActivity.class); startActivity(sendingpage); } }); alert.setNegativeButton(getString(R.string.no), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { Intent callback = new Intent (CameraActivity.this, IncidentFormActivity.class); startActivity(callback); } }); alert.show(); } if(resultCode==RESULT_CANCELED) { AlertDialog.Builder builder = new AlertDialog.Builder(CameraActivity.this); builder.setMessage(getString(R.string.areuexit)).setCancelable( false).setPositiveButton(getString(R.string.yes), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { Intent i= new Intent(CameraActivity.this, IncidentFormActivity.class); startActivity(i); CameraActivity.this.finish(); } }).setNegativeButton(getString(R.string.no), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); Intent i= new Intent(CameraActivity.this, CameraActivity.class); startActivity(i); CameraActivity.this.finish(); } }); builder.show(); } } } </code></pre>
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    1. USRonnie
    1. USJay Mayu
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      1. POAndroid: Overlay on Android Camera Preview
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    1. COby header, do you mean a graphic at the top of the camera app or some sort of watermark-like graphic?
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      1. POAndroid: Overlay on Android Camera Preview
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    2. COyes I want to show a graphic on top as header. thanks.
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      1. POAndroid: Overlay on Android Camera Preview
      1. USJay Mayu
    3. COyes I want to show a graphic on top as header on top of camera preview. Nothing much, I don't even want to alter the image taken. thanks.
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      1. POAndroid: Overlay on Android Camera Preview
      1. USJay Mayu
 

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