大约有 18,336 项符合查询结果（耗时：0.0336秒） [XML]
Using the “animated circle” in an ImageView while loading stuff
...is block of xml in your activity layout file:
<RelativeLayout
android:id="@+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width="wrap_content"
android:lay...
SQL SELECT speed int vs varchar
...your (say) 8-byte ints are longer than ascii varchars holding some textual IDs of avg length 3-4 chars. So, this answer - being imprecise and lacking any specific context or experimental results - doesn't really answer the question. Everyone knows that varchars are allowed to take much more space th...
Javascript Object push() function
...ects, so use the right data structure.
var data = [];
// ...
data[0] = { "ID": "1", "Status": "Valid" };
data[1] = { "ID": "2", "Status": "Invalid" };
// ...
var tempData = [];
for ( var index=0; index<data.length; index++ ) {
if ( data[index].Status == "Valid" ) {
tempData.push( dat...
How to scroll up or down the page to an anchor using jQuery?
I'm looking for a way to include a slide effect for when you click a link to a local anchor either up or down the page.
14 ...
Android ListView headers
...wType should return what type of View we have at the input position.
Android will then take care of passing you the right type of View in convertView automatically.
Here what the result of the code below looks like:
First we have an interface that our two list item types will implement
publ...
How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?
...
It's a hidden option IMHO. Should be more apparent... :)
– Leniel Maccaferri
Jun 8 '12 at 8:21
...
How do I handle ImeOptions' done button click?
...p with a combination of Roberts and chirags answers:
((EditText)findViewById(R.id.search_field)).setOnEditorActionListener(
new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
// Identifier of the action...
Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
...
Picking a random element from a set
...le element and the data is stored in a HashSet.
– David Nehme
Sep 25 '08 at 2:00
8
@David Nehme: ...
How to force use of overflow menu on devices with menu button
...y prevented by design. According to the Compatibility Section of the Android Design Guide,
"...the action overflow is available from the menu hardware key. The resulting actions popup... is displayed at the bottom of the screen."
You'll note in the screenshots, phones with a physical menu button...