XP users in the use of computers for Office learning, the keyboard is an indispensable input tool, through the keyboard we can not only type text, but also through the keyboard shortcut keys for the rapid operation of various computers. A user reflects that the small keyboard position on the lights do not know how, suddenly will not be lit, small keyboard lights not only with the word of the case switch has a relationship, but also with the keypad dig
Step One: Install Numlockx, enter commandssudo apt-get Install NumlockxStep Two: Open the rc.local file with vim and enter the commandsudo vim/etc/rc.localStep Three: Modify the contents of the file exit 0 before adding the following and saveif [-x/usr/bin/Numlockx]; Thennumlockx onfiHow does vim insert content?1. Shortcut key i: Switch to insert mode2. Direction key adjust cursor to insertion position3. Copy and paste the code4:esc key to exit Insert mode, return to the default command mode, en
Fault phenomenon: An installed notebook, each boot automatically opened the keypad digital input status, after the second turn on the computer and so on, the impact of normal use, originally thought to be a system problem, re-installed ghost Win7 after the failure is still, thereby eliminating the problem.
Resolution: The BIOS settings can be used to lock the boot-start keypad automatically, as follows:
1
Method One:
In the BIOS to set up, the specific steps are:
After the computer power, press del key, enter the BIOS setup program, enter the advanced BIOS features, where the boot Num-lock an item, change its value on (or enable), so that the system starts, the keypad number key is valid.
Method Two:
If you want a simpler way to boot, to enter the user name and password when it is not bright, you click NumLock Let it bright, and then do not log on
You said "the keypad on the desktop" should be called the Language bar, and if the icon is lost, it can be recovered in the following ways:
Method 1, click the right mouse button in the blank space of the taskbar → point to Toolbars on the pop-up shortcut menu and click the Language bar in the next menu that appears.
Method 2, click "Start" → "Control Panel →" date, time, language, and locale "→" regional and language Options → popup area and Langua
On the internet to see a lot of digital keyboard, in the input user account, the direct soft keyboard appears digital keyboard, but a lot of code some will be less a word, it is not good to use, the use of their own and correct paste over, see Code
in XML
android:inputtype= "number" Android :d igits= "1234567890" android:id= "@+id/username_edit" android:background= "@mipmap/userbg" android:layout_width= "fill_parent" android:layout_height= "wrap_content" andro
Copy Code code as follows:
function Isnum ()//Judge keypad input number
{
var str= (Window.event.keyCode);
if (str>105 | | str{
if (str!=8)
{
Window.event.returnvalue=false;
Return
}
}
}
function Isnumup ()//To determine the main keyboard input number
{
var str= (Window.event.keyCode);
if (str>57 | | str{
if (str!=8)
{
Window.event.returnvalue=false;
Return
}
}
}
+
Test code:
Copy Code code as follows:
Oh, we found the Android. inputmethodservice. keyboard class, that is, the android can customize the keyboard class. A simple example is provided for your reference,
First take a look:
Keyboard content layout: keycontent. xml
1) To hide and use the following method:
Inputmethodmanager Imm = (inputmethodmanager)
Leftbtn. getcontext (). getsystemservice (input_method_service );Imm. hidesoftinputfromwindow (leftbtn. getwindowtoken (), inputmethodmanager. hide_not_always
1. How the keyboard worksThe soft keyboard is actually a Dialog. InputMethodService creates a Dialog for our input method and sets some parameters so that they can be displayed at the bottom or in full screen. When you click the input box, the
Tip:
1. This action is triggered every 1.8 seconds after a window exists, and only one action is sent. Wait for the next window to jump out and recycle.
2. In each loop, only Ctrl + V is sent and then stopped, instead of sending it all the time.
The case of "EditText + Button" forming an "input + Button response" is most common in android programming. Note the following details: After inputting EditText, click the Button to request the data. The keyboard should disappear on its own.After
QQ Input Method Mobile phone version s60v2/v3s digital keyboard to open the symbol table is as follows:
Through the short press * key into the symbolic interface, into the symbolic interface after the operation:
Short Press * Key: Toggles the
Press the Home button
Device.press (' Keycode_home ', ' down_and_up ')
Press the back key
Device.press (' Keycode_back ', ' down_and_up ')
Press the down navigation key
To make the mobile Internet type Open, many situations have to be considered when the mobile device pauses and exits, doing some data manipulation or UI.1, Exit event, Unity3d,input contains:Input.getkey (keycode. Escape), Input. GetKey (keycode.
Letter combinations of a Phone number:Given a digit string, return all possible letter combinations, the number could represent.A mapping of Digit to letters (just as on the telephone buttons) is given below.Input:digitstring " at"Output: ["AD","AE",
Reprint: Linux community
1> keyboard status-hide or display.
I. the keyboard is automatically displayed.
Timer timer = new timer ();
Timer. Schedule (New timertask (){
Public void run (){
Inputmethodmanager = (inputmethodmanager)
Call the following code: (the first call is displayed, and the second call is hidden, so repeated). This indicates activity
Inputmethodmanager Imm = (inputmethodmanager) This. getsystemservice (context. input_method_service); Imm. togglesoftinput (0
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