إنشاء مرجع Cloud Storage على Android

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// Create a storage reference from our app
var storageRef = storage.reference
StorageActivity.kt

// Create a storage reference from our app
StorageReference storageRef = storage.getReference();
StorageActivity.java

// Create a child reference
// imagesRef now points to "images"
var imagesRef: StorageReference? = storageRef.child("images")

// Child references can also take paths
// spaceRef now points to "images/space.jpg
// imagesRef still points to "images"
var spaceRef = storageRef.child("images/space.jpg")
StorageActivity.kt

// Create a child reference
// imagesRef now points to "images"
StorageReference imagesRef = storageRef.child("images");

// Child references can also take paths
// spaceRef now points to "images/space.jpg
// imagesRef still points to "images"
StorageReference spaceRef = storageRef.child("images/space.jpg");
StorageActivity.java

// parent allows us to move our reference to a parent node
// imagesRef now points to 'images'
imagesRef = spaceRef.parent

// root allows us to move all the way back to the top of our bucket
// rootRef now points to the root
val rootRef = spaceRef.root
StorageActivity.kt

// getParent allows us to move our reference to a parent node
// imagesRef now points to 'images'
imagesRef = spaceRef.getParent();

// getRoot allows us to move all the way back to the top of our bucket
// rootRef now points to the root
StorageReference rootRef = spaceRef.getRoot();
StorageActivity.java

// References can be chained together multiple times
// earthRef points to 'images/earth.jpg'
val earthRef = spaceRef.parent?.child("earth.jpg")

// nullRef is null, since the parent of root is null
val nullRef = spaceRef.root.parent
StorageActivity.kt

// References can be chained together multiple times
// earthRef points to 'images/earth.jpg'
StorageReference earthRef = spaceRef.getParent().child("earth.jpg");

// nullRef is null, since the parent of root is null
StorageReference nullRef = spaceRef.getRoot().getParent();
StorageActivity.java

// Reference's path is: "images/space.jpg"
// This is analogous to a file path on disk
spaceRef.path

// Reference's name is the last segment of the full path: "space.jpg"
// This is analogous to the file name
spaceRef.name

// Reference's bucket is the name of the storage bucket that the files are stored in
spaceRef.bucket
StorageActivity.kt

// Reference's path is: "images/space.jpg"
// This is analogous to a file path on disk
spaceRef.getPath();

// Reference's name is the last segment of the full path: "space.jpg"
// This is analogous to the file name
spaceRef.getName();

// Reference's bucket is the name of the storage bucket that the files are stored in
spaceRef.getBucket();
StorageActivity.java

// Points to the root reference
storageRef = storage.reference

// Points to "images"
imagesRef = storageRef.child("images")

// Points to "images/space.jpg"
// Note that you can use variables to create child values
val fileName = "space.jpg"
spaceRef = imagesRef.child(fileName)

// File path is "images/space.jpg"
val path = spaceRef.path

// File name is "space.jpg"
val name = spaceRef.name

// Points to "images"
imagesRef = spaceRef.parent
StorageActivity.kt

// Points to the root reference
storageRef = storage.getReference();

// Points to "images"
imagesRef = storageRef.child("images");

// Points to "images/space.jpg"
// Note that you can use variables to create child values
String fileName = "space.jpg";
spaceRef = imagesRef.child(fileName);

// File path is "images/space.jpg"
String path = spaceRef.getPath();

// File name is "space.jpg"
String name = spaceRef.getName();

// Points to "images"
imagesRef = spaceRef.getParent();
StorageActivity.java