locky | Resource locking system using redis
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kandi X-RAY | locky Summary
Fast resource locking system based on redis.
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QUESTION
I have a Coordinator layout as my parent layout in my activity and a Floating Action Button. When i show a SnackBar on the screen, it appears below the FAB and pushes the FAB up which is a normal behavior. Now i want to hide the FAB on scroll and i used this in my FAB app:layout_behavior="com.google.android.material.behavior.HideBottomViewOnScrollBehavior"
and it works fine. But upon doing that, when i show my snack bar, it appears on the FAB instead of appearing below the FAB.
As you can see below, when i remove app:layout_behavior="com.google.android.material.behavior.HideBottomViewOnScrollBehavior"
from the FAB, the snack bar behavior is normal but the FAB doesn't hide on scroll
However here, when i add app:layout_behavior="com.google.android.material.behavior.HideBottomViewOnScrollBehavior"
in the FAB, the FAB hides on scroll but the snack bar appears over the FAB which is not normal behavior.
I want the FAB to hide on scroll but also for the Snack Bar to appear below the FAB but i don't know how to do it.
Here is the code for my main activity:
...ANSWER
Answered 2020-Jul-30 at 14:23The Snackbar should Snackbars should appear above FABs.
The best solution is to use the setAnchorView
method in your Snackbar:
QUESTION
I have a RecyclerView implemented along with Paging to load a list from Room Database. The list works fine when the size is small. When the size reaches around 50 - 60, the list still works fine but when i switch to another fragment and then come back to the list, its blocks the UI for around 1.5 - 2 seconds which is super dull in user experience (See GIF below):
My code is as follows:
DAO
...ANSWER
Answered 2020-Jul-27 at 19:48You must remove your NestedScrollView
(Nested_Scroll
) in your activity layout - you cannot put a vertical RecyclerView
within a NestedScrollView
.
A NestedScrollView
expands every child in the vertical scroll direction to determine the maximum scroll distance. This means that it gives the RecyclerView
an infinite height to expand into. This causes RecyclerView
to inflate every element, defeating all view recycling and defeating the use of paging - given infinite height, it'll continue to ask Paging for more and more rows to fill the space.
QUESTION
I have a single activity with many fragments (Using jetpack navigation). On my first fragment, i have a recyclerview. If i scroll on the first fragment and then navigate to the other fragment, the fragment retains the scroll position and i don't want that. An example is as follows:
i.e. Suppose i have two fragments A and B, When my app starts it starts on A. Suppose i start scrolling on A and then navigate to B. My app retains the scroll position on B which is not what i want. I want fragment B to start on top. And then when it returns to fragment A, i want it to retain the scroll position it previously scrolled.
Fragment A.xml
...ANSWER
Answered 2020-Jun-09 at 14:31you have the same layoutmanager
for both fragments, when you populate your different fragments; the same layoutmanager
is called. Which then tries to restore the same position thinking its the same recyclerview, which is kind of a feature when you think about it.
from the docs:
Called when the
RecyclerView
is ready to restore the state based on a previousRecyclerView
. Notice that this might happen after an actual layout, based on how Adapter prefers to restore State. SeeRecyclerView.Adapter.getStateRestorationPolicy()
which means what we need is not to restore the state which can be done by passing
PREVENT
to RecyclerView.Adapter.StateRestorationPolicy
solution1: in your fragment B adapter just call adapter.stateRestorationPolicy = PREVENT
solution2: create a different layoutmanager
for fragment B in case you want to restore position for something else.
EDIT :: QA :: how can i set the view to be on top (Near Status Bar) :
Well, since you are populating your fragments inside a NestedScrollView
you should call NestedScrollView.scrollTo(0, 0);
when you navigate to the required fragment probably by waiting on a callback
from addOnDestinationChangedListener
inside your MainActivity.kt
QUESTION
I am using a drawer navigation (combined with android navigation jetpack component) to navigate between several fragments. I am using app:layout_behavior="com.google.android.material.behavior.HideBottomViewOnScrollBehavior"
on my Floating Action Button (which is placed inside a coordinator layout) to hide the FAB when i scroll up and then it reappears when i scroll down. My layout is as follows:
activity_main.xml
...ANSWER
Answered 2020-May-12 at 13:40Change your "showFabs" by this
Kotlin
QUESTION
I am using a BottomSheetDialogFragment class with Navigation Architecture component. I am following the Single activity pattern and therefore i have only one activity and several fragments. Below is my code.
BottomSheetDialogFragment.kt
...ANSWER
Answered 2020-Apr-19 at 19:28As of Navigation 2.3.0-alpha02
, Navigation has built in support for Returning a result to a previous destination.
This works in two parts, your first fragment (the one wanting to receive the result) would use navController.currentBackStackEntry?.savedStateHandle
to get a reference to the SavedStateHandle
associated with its NavBackStackEntry
in the NavController. Then, it can observe
a particular key to get a callback whenever that key changes.
The second fragment (the one delivering the result, i.e., your LogoBottomSheetFragment
) would get a reference to that exact same SavedStateHandle
by using navController.previousBackStackEntry?.savedStateHandle
. When that second fragment calls set
on the SavedStateHandle
, that result is then made available for the first fragment.
Note that there are some DialogFragment specific considerations to keep in mind - because the previous fragment is RESUMED
even when the BottomSheetFragment
is being shown, the result will instantly be sent to your first fragment.
QUESTION
still working on VR interactions, I want to be able to rotate objects but I'm facing an issue.
For instance, I want to open/close the upper part of a laptop using my hands in VR. What I'm doing to achieve this, is that I placed the forward like that :
I'm creating a plane using position, forward, up. Then get the closest point on plane corresponding to my VR controller, then use transform.LookAt.
This is working fine, but I want to be able to clamp the rotation, so I cannot rotate too much (see the end of the video).
I've been trying everything, using eulersAngle and Quaternion, but I'm unable to do it.
I made some helpers (the text to show the localEulerAngles, and a transform to LookAt so I don't have to use the VR headset as it's getting pretty tedious)
Here is a video showing what's going on : https://www.youtube.com/watch?v=UfN97OpYElk
And here's my code :
...ANSWER
Answered 2019-Dec-19 at 15:14Suppose the monitor's parent transform is the body/keyboard of the laptop. Local axes of the parent shown below:
To describe the range of motion you can define a "center of rotation" vector (e.g., grey vector labeled C) that is local to the parent and an angle (e.g., 110 degrees, between each purple vector and the grey vector). For instance:
QUESTION
I would like to run a curl command to request data from an API, but I'm not sure of how to do it. To transform curl request into ruby code, I'm using curl to ruby, which is great by the way.
Following the doc API, I have this :
Step 1 (Get your token) :
...ANSWER
Answered 2019-Aug-28 at 07:28You're sending the first request to https://api.monkey-locky.com
but the URL in the second request is https://api.monkeylocky.com
(no dash)
QUESTION
I have created a dataset with the current run differentials by team for the 2019-2020 MLB season. I am trying to predict the outcome (if you should place a bet, and which team you should bet on). It is a very basic function but I am having trouble with else if statements contradicting themselves.
Notice in the code below that the statement:
...ANSWER
Answered 2019-Apr-19 at 13:42Well if say x = 50 and y = 5 then you have x > y and x > 2*y so there is no contradiction.
But you could add the following to your first if
condition:
QUESTION
The element containing a draggable
or moveable
handle can only start from the top
left
position, I have no idea how to adjust, calculate or correct the pixel values to make the draggable handle element start from say the bottom left like a normal graph would.
The position of the handle
is used to generate a range restricted value like a percentage value between 0-100
for both the x
and y
axis regardless of the element's pixel size.
It's a range-input or position picker of sorts intended for use in a color picker widget.
The color gradients change depending on the widget's relative position to the left, top or right of something, hence the picker or handle should adjust the starting point of it's range accordingly.
I'm using onpointermove
to get the x
and y
positions of the div.handle
and
adjust for the relative width
, height
, left
and top
, offsets of the parent element.
What I cannot figure out for the life of me is the math and code needed to allow the range input to track the position from an arbitrary corner, preferably bottom
left
.
Sorry for using a custom library but this example is mostly vanilla, at least the calculations which matter are.
...ANSWER
Answered 2018-Jul-15 at 13:44Another way to describe your issue is that your y-axis goes from 100 (technically, limitY) to 0 when it ought to go from 0 to 100. Therefore, we can slightly change your code to reverse this axis by fully calculating the y percentage, and then subracting it from 100. (ie, 100 - 80 = 20 or 100 - 35 - 65.) This will change the high values into low values and vice versa. Then, if we want to convert from percentage to pixel, we simply subtract it from 100 again to get our original flipped percentage (that you've already done all of the work for.)
The two lines changed are:
QUESTION
I'm trying to read the content of a file that exists in iCloud, I tried using react-native-fs or react-native-fetch-blob and both libraries give the same result, so issue should be objetive c side, here is the code:
If I download the file manually and see the encoded content, I see correct data, an encoded string like this (thi's what I need):
...ANSWER
Answered 2017-Aug-21 at 23:48Here's the issue, the first time your app adds a document’s on-disk representation to an iCloud (ubiquity) container, the system transfers the entire file or file package to the iCloud server, this task create the document’s metadata first, which includes information such as the document name, modification date, file size, and file type ("wrong" decoded string above) and then transfer the data (file).
In Apple Docs
In iOS, apps must ask the system (either explicitly or implicitly) to download the file. You implicitly download a file by trying to access that file by using methods in the NSFileCoordinator class, or you explicitly download the file by invoking the startDownloadingUbiquitousItemAtURL:error: method in the NSFileManager class
and that's it, after call this methods, file can be read and contents is correct instead of metadata.
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