用相機拍攝的圖像疊加在android中拍攝的圖像

Question

我需要用相機拍照並同時在相機視圖頂部顯示疊加圖像。拍完照片後，我需要保存用戶在拍照時看到的內容。任何人都可以建議我嗎請。

Answer 1

public void onPictureTaken(byte[] data, Camera camera){ 
    Bitmap cameraBitmap = BitmapFactory.decodeByteArray(data, 0, data.length); 

    wid = cameraBitmap.getWidth(); 
    hgt = cameraBitmap.getHeight(); 


Bitmap newImage = Bitmap.createBitmap(wid , hgt , Bitmap.Config.ARGB_8888); 

    Canvas canvas = new Canvas(newImage); 

    canvas.drawBitmap(cameraBitmap, 0f, 0f, null); 

    Drawable drawable = getResources().getDrawable(R.drawable.d); 
    drawable.setBounds(20 ,20, 260, 160); 
    drawable.draw(canvas); 

    File storagePath = new File(Environment.getExternalStorageDirectory() + "/Vampire Photos/"); 
    storagePath.mkdirs(); 

    File myImage = new File(storagePath,Long.toString(System.currentTimeMillis()) + ".jpg"); 

    try 
    { 
    FileOutputStream out = new FileOutputStream(myImage); 
    newImage.compress(Bitmap.CompressFormat.JPEG, 90, out); 


    out.flush(); 
    out.close(); 
    } 
    catch(FileNotFoundException e) 
    { 
    Log.d("In Saving File", e + ""); 
    } 
    catch(IOException e) 
    { 
    Log.d("In Saving File", e + ""); 
    } 

    camera.startPreview(); 

    drawable = null; 

    newImage.recycle(); 
    newImage = null; 

    cameraBitmap.recycle(); 
    cameraBitmap = null; 
} };