com.android.camera

1) Edit our path
com.android.camera.ImageManager.java:130

public static final String CAMERA_IMAGE_BUCKET_NAME =
    Environment.getExternalStorageDirectory().toString()
    + "/DCIM/100ANDRO";


2) Naming function for increasing names for photos
com.android.camera.Camera.java:873

private String createName(long dateTaken) {
    int n = 1, max = 0;
    for(File file:  // go through all jpg's
        new File(ImageManager.CAMERA_IMAGE_BUCKET_NAME).listFiles(new FilenameFilter() {
            @Override public boolean accept(File dir, String filename) {
                return filename.toLowerCase().endsWith(".jpg");
            }
        })
    ){
        try{    // try to search maximum
            n = Integer.parseInt(file.getName().substring(4, 8));
            if(n>max) max = n;
        }catch (Exception ignored) {
        }
    }
    return String.format("IMAG%04d", max+1);
}


3) Naming function for increasing names for videos
com.android.camera.VideoCamera.java:246

private String createName(long dateTaken) {
    int n = 1, max = 0;
    for(File file:  // go through all 3gp's
        new File(ImageManager.CAMERA_IMAGE_BUCKET_NAME).listFiles(new FilenameFilter() {
            @Override public boolean accept(File dir, String filename) {
                return filename.toLowerCase().endsWith(".3gp");
            }
        })
    ){
        try{    // try to search maximum
            n = Integer.parseInt(file.getName().substring(5, 9));
            if(n>max) max = n;
        }catch (Exception ignored) {
        }
    }
    return String.format("VIDEO%04d", max+1);
}