从相机获取图像
Intent i = new Intent(Intent.ACTION_PICK,MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, 3);
获取图像的文件路径
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_FILE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {
String path=String.valueOf(data.getData());
file = Uri.fromFile(new File(path));
创建文件元数据
metadata = new StorageMetadata.Builder()
.setContentType("image/jpeg")
.build();
将文件和元数据上传到路径“images/avator.jpg”
uploadTask = storageRef.child("images/"+file.getLastPathSegment()).putFile(file, metadata);
侦听状态更改、错误和上传完成情况。
uploadTask.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
double progress = (100.0 * taskSnapshot.getBytesTransferred()) / taskSnapshot.getTotalByteCount();
System.out.println("Upload is " + progress + "% done");
}
}).addOnPausedListener(new OnPausedListener<UploadTask.TaskSnapshot>() {
@Override
public void onPaused(UploadTask.TaskSnapshot taskSnapshot) {
System.out.println("Upload is paused");
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle unsuccessful uploads
}
}).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
// Handle successful uploads on complete
Uri downloadUrl = taskSnapshot.getMetadata().getDownloadUrl();
}
});
使用 Glide 库加载图像
Glide.with(getActivity())
.load(new File(downloadUrl)) // Uri of the picture
.into(Imageview);