大约有 5,200 项符合查询结果(耗时:0.0139秒) [XML]
SQLite table constraint - unique on multiple columns
... that adding UNIQUE(i, j) to the create statement is completely ignored on android. It creates the table, but leaves off the UNIQUE constraint. I was only able to do this by using an index.
– gattsbr
Aug 11 at 14:55
...
How to prevent custom views from losing state across screen orientation changes
...xtends RecyclerView, you get Parcel﹕ Class not found when unmarshalling: android.support.v7.widget.RecyclerView$SavedState java.lang.ClassNotFoundException: android.support.v7.widget.RecyclerView$SavedState so you need to do the bug fix that's written down here: github.com/ksoichiro/Android-Ob...
Media Queries: How to target desktop, tablet, and mobile?
...-width:320px) { /* smartphones, portrait iPhone, portrait 480x320 phones (Android) */ }
@media (min-width:480px) { /* smartphones, Android phones, landscape iPhone */ }
@media (min-width:600px) { /* portrait tablets, portrait iPad, e-readers (Nook/Kindle), landscape 800x480 phones (Android) */ }
...
scrollIntoView Scrolls just too far
...th divs in them is dynamically generated from the database. Each table row acts like a link, sort of like you'd see on a YouTube playlist next to the video player.
...
Difference between initLoader and restartLoader in LoaderManager
...e).
While that sounds straight forward it can be tricky (don't we all love Android...).
We have to distinguish between two cases:
Handles configuration changes itself: this is the case for Fragments
that use setRetainInstance(true) or for an Activity with the according android:configChanges tag i...
UIActionSheet cancel button strange behaviour
I have a UIBarButtonItem opening an action sheet to offer users choices about what to do. Everything works as expected unless I try to click on the "Cancel" button. The target of the button appears to have moved up from where it should be. I can only activate it by clicking somewhere in the middle o...
Accept server's self-signed ssl certificate in Java client
...
The [android documentation] (developer.android.com/training/articles/security-ssl#SelfSigned) basically gives your explanation. It just gives a bit more of an explanation, code and warnings.
– Daniel
...
Get users by name property using Firebase
... if you want to retrieve the data then do the following:
Using Firebase in Android App:
DatabaseReference ref=FirebaseDatabase.getInstance().getReference().child("users");
ref.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataCha...
Java - sending HTTP parameters via POST method easily
...ot of boilerplate, error prone code. I needed a lightweight wrapper for my Android projects and came out with a library which you can use as well: DavidWebb.
The above example could be written like this:
Webb webb = Webb.create();
webb.post("http://example.com/index.php")
.param("param1", ...
