好的，我一直在尋找解決此問題的方法，我從相機或圖庫中捕獲圖像并創(chuàng)建了圖像文件路徑但不幸的是我可以獲得圖像，因為來自相機或圖庫的圖像不在創(chuàng)建的文件路徑中實際上。那么我該如何解決呢？我真的不知道在這里說什么，但我確信我已經(jīng)盡我所能來解決這個問題，但我現(xiàn)在處于停電狀態(tài)。// function for the createdImageFile....private File createImageFile() throws IOException { // Create an image file name String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()); String imageFileName = "JPEG_" + timeStamp + "_"; File storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES); File image = File.createTempFile( imageFileName, /* prefix */ ".jpg", /* suffix */ storageDir /* directory */ );我怎樣才能把接收到的圖像放到這個路徑中呢？
1 回答
jeck貓
TA貢獻1909條經(jīng)驗 獲得超7個贊
我假設您想從拍攝的照片中獲取 URI。為了從圖庫和相機中選擇圖像，您可以嘗試這種方式：
1）這種從圖庫中挑選圖像的方法
private void pickFromGallery(int galleryCode) {
URI_REQUEST_CODE = galleryCode;
Intent intent;
if (Build.VERSION.SDK_INT < 19) {
intent = new Intent();
intent.setAction(Intent.ACTION_GET_CONTENT);
intent.setType("image/*");
startActivityForResult(intent, GALLERY_REQUEST_CODE);
} else {
intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
startActivityForResult(intent, GALLERY_REQUEST_CODE);
}
}
2）這種獲取相機拍攝圖像的方法（一定要用你的包名替換“com.your.package.name”）
//declare a global variable in your scope to provide the URI of image taken with camera
private URI uri;
private void dispatchTakePictureIntent(int captureCode) {
URI_REQUEST_CODE = captureCode;
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// Ensure that there's a camera activity to handle the intent
if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
// Create the File where the photo should go
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
ex.printStackTrace();
}
// Continue only if the File was successfully created
if (photoFile != null) {
Uri photoURI = FileProvider.getUriForFile(this,
"com.your.package.name",
photoFile);
uri = photoURI;
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
}
}
}
3）構(gòu)建onActivityResult方法
public void onActivityResult(int requestCode, int resultCode, Intent data) {
// Result code is RESULT_OK only if the user selects an Image
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK) {
if (requestCode == GALLERY_REQUEST_CODE) {
if (URI_REQUEST_CODE == 1) {
Uri selectedImage = data.getData();
if (selectedImage != null) {
Toast.makeText(this, selectedImage.toString(), Toast.LENGTH_SHORT).show();
Log.i("UriFromGalleryPicture", "onActivityResult: " + selectedImage.toString());
}
} else if (URI_REQUEST_CODE == 2) {
if (checkPermissionREAD_EXTERNAL_STORAGE(this)) {
Toast.makeText(this, uri.toString(), Toast.LENGTH_SHORT).show();
Log.i("UriFromCameraPicture", "onActivityResult: " + uri);
}
}
4) 在需要圖像 URI 的地方調(diào)用 pickFromGallery(1) / dispatchTakePictureIntent(2) 方法
讓我們知道這是否有幫助，您應該在問題中詳細添加您遇到的錯誤，以及為圖像生成的路徑
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