Android多媒體之拍照

Android多媒體之拍照

public class PhotoTest extends Activity {private ImageView iv;private Bitmap bitmap;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.photo);iv = (ImageView) findViewById(R.id.photo);}public void pai(View view){//調用系統拍照功能的ActionIntent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);//跳轉到拍照的ActionstartActivityForResult(intent, 0);}//startActivityForResult(intent, 0)所返回資料的方法@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {// TODO Auto-generated method stubif(data!=null){//擷取拍攝的圖片bitmap = (Bitmap) data.getExtras().get(data);//設定圖片的兩種方式：//第一種方式：直接調用setImageBitmap方法把bitmap對象放進去//iv.setImageBitmap(bitmap);//第二種方式：通過BitmapDrawable把bitmap對象轉為drawable類型，再調用setImageDrawable()方法設定ImageView顯示的圖片BitmapDrawable db = new BitmapDrawable(bitmap);Drawable drawable = db;iv.setImageDrawable(drawable);try {OutputStream os = new FileOutputStream(Environment.getExternalStorageDirectory().getAbsolutePath()+ /2015011301.jpg);//把圖片對象（bitmap）內容壓縮為位元組 放入寫流bitmap.compress(CompressFormat.JPEG, 100, os);os.flush();} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}super.onActivityResult(requestCode, resultCode, data);}}

.xml代碼：