有用代码片段

/* protected void doTakePhoto() { 
        try { 
            // Launch camera to take photo for selected contact 

            final Intent intent = getTakePickIntent(mCurrentPhotoFile); 
            startActivityForResult(intent, CAMERA_WITH_DATA); 
        } catch (ActivityNotFoundException e) { 
          
        } 
    } 

 
 public static Intent getTakePickIntent(File f) { 
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE, null); 
        intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(f)); 
        return intent; 
    }  */

 
     // 请求Gallery程序 
   protected void doPickPhotoFromGallery() { 
         try {             
              final Intent intent = getPhotoPickIntent(); 
              startActivityForResult(intent, PHOTO_PICKED_WITH_DATA); 
         } catch (ActivityNotFoundException e) { 
             Toast.makeText(this,"2f3upi",Toast.LENGTH_LONG).show(); 
         } 
   } 
    
 // 封装请求Gallery的intent 
    public static Intent getPhotoPickIntent() { 
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null); 
        intent.setType("image/*"); 
        intent.putExtra("crop", "true"); 
        intent.putExtra("aspectX", 1); 
        intent.putExtra("aspectY", 1); 
        intent.putExtra("outputX", 80); 
        intent.putExtra("outputY", 80); 
        intent.putExtra("return-data", true); 
        return intent; 
    }