private void openTakePhoto(){  /**  * 在啟動拍照之前最好先判斷一下sdcard是否可用  */  String state = Environment.getExternalStorageState(); //拿到sdcard是否可用的狀態碼  if (state.equals(Environment.MEDIA_MOUNTED)){   //如果可用   Intent intent = newIntent("android.media.action.IMAGE_CAPTURE");   startActivityForResult(intent,TAKE_PHOTO);  }else {   Toast.makeText(SettingActivity.this,"sdcard不可用",Toast.LENGTH_SHORT).show();  } }

@Override protected void onActivityResult(int requestCode, int resultCode, Intentdata) {  super.onActivityResult(requestCode, resultCode, data);  if (data!= null) {   switch (requestCode) {    case TAKE_PHOTO: //拍攝圖片并選擇     //兩種方式 獲取拍好的圖片     if (data.getData() != null|| data.getExtras() != null){ //防止沒有返回結果      Uri uri =data.getData();      if (uri != null) {       photo =BitmapFactory.decodeFile(uri.getPath()); //拿到圖片      }      if (photo == null) {       Bundle bundle =data.getExtras();       if (bundle != null){        photo =(Bitmap) bundle.get("data");       } else {        Toast.makeText(getApplicationContext(), "找不到圖片",Toast.LENGTH_SHORT).show();       }      }      //處理圖片      //裁剪圖片     }     break;