如何使用內容創建文件？

Question

拍攝照片後我收到Intent data我從中獲取一個Uri：

Uri contentURI = data.getData(); 

內容URI是content://media/external/images/media/5576

使用這個contentURI我需要將文件保存到SD卡，請建議如何。非常感謝您的幫助。

Answer 1

爲什麼不在使用Intent從相機拍攝照片時將照片保存到文件夾？這會加快一點。試試這段代碼，例如：

Intent getCameraImage = new Intent("android.media.action.IMAGE_CAPTURE"); 

File cameraFolder; 

if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) 
    cameraFolder = new File(android.os.Environment.getExternalStorageDirectory(),"CHANGE_TO_YOUR_FOLDER_NAME/camera"); 
else 
    cameraFolder= StatusUpdate.this.getCacheDir(); 
if(!cameraFolder.exists()) 
    cameraFolder.mkdirs(); 

File photo = new File(Environment.getExternalStorageDirectory(), "CHANGE_TO_YOUR_FOLDER_NAME/camera/camera_snap.jpg"); 
getCameraImage.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photo)); 
Uri initialURI = Uri.fromFile(photo); 

startActivityForResult(getCameraImage, 2);