[Reprint] http://geyubin.iteye.com/blog/1297637
Based on the original instructions in the original document, the translation is revised to facilitate reading and understanding.
Attributes:
Android: windowsoftinputmode
How the activity interacts with the keyboard. The setting of this attribute affects two things:
Keyboard status-hide or display-When activity becomes the focus of user attention.
Activity layout adjustment-whether the activity
The use of computer friends more and more, computer enthusiasts novice friends encounter computer problems are strange, in fact, most of the problem is simply a problem, but because the novice friend did not contact, so the most basic computer skills may not be, recently 2 consecutive netizens asked edit notebook keypad how to open? or notebook keypad how to shut down and so on, in fact, these operations in
The use of computer friends more and more, computer enthusiasts novice friends encounter computer problems are strange, in fact, most of the problem is simply a problem, but because the novice friend did not contact, so the most basic computer skills may not be, recently 2 consecutive netizens asked edit notebook keypad how to open? or notebook keypad how to shut down and so on, in fact, these operations in
The "stateunspecified" keypad status (whether it is hidden or visible) is not specified. The system selects an appropriate status or topic-dependent setting. This is to set the default behavior of the software disk. The "stateunchanged" keypad is kept visible or hidden no matter what the last time it was, when the main window appears in front. "Statehidden" when the user selects this activity, the keyboard
Hide and hide the Android keypad
I. Principles of soft keyboard displayWhat is the essence of a software disk? The soft keyboard is actually a Dialog!InputMethodService creates a Dialog for our input method, and sets some parameters of the Dialog Window (such as Gravity) so that it can be displayed at the bottom or in full screen. When you click the input box, the system adjusts the main activity window to free up space for the input method, and then
How to open a notebook keypad? Notebook Digital Keypad Switching
1 actually need to use the digital keypad is not much, plus the top of the notebook keyboard already has a number of keys, but many friends are accustomed to the previous large keyboard digital keypad, so also want to use in the notebook, we know that th
Android keypad display mode:
Android defines an attribute named windowSoftInputMode, which allows the program to control the adjustment method of the main activity window. We can set the Activity in AndroidManifet. xml. For example, android: windowSoftInputMode = "stateUnchanged | adjustPan"
This attribute has two optional values: the Status Control of the soft keyboard and the adjustment of the main activity window. The previous sections will not be
As we all know, notebook because of the need to take into account the portability, in the keyboard design up and down a lot of time, relative to the ordinary keyboard change is the most of the small keyboard removal. The manufacturer also takes into account the function of the keypad, also designed the function of the keypad for the notebook, just let him with our main keyboard area is integrated, below let
For Android user-defined controls, I have previously written two. One is to simply inherit the view, and the other is to inherit the layout to implement a provincial/municipal linkage control. In this article, we will inherit the viewgroup to implement a phone call keypad. I have a consistent style, so I am too lazy to talk about a lot of things. I can directly write the code and make everything in comments
When using a full-size keyboard, there is a row of keypad on the right side of the keyboard
However, the numeric key value of this keypad is different from that of the ordinary keyboard.
The standard numeric key value in the ANSI code is $30... $39, and the keypad key value is $60... $69
This problem arises. When we set the limit cut of action in the Attribute E
Cloud6410 keypad Driver (lower)
1.1 key interrupt handling process
1.1.1 process of Button Scan
In the initial state, all the columns (outputs) are in the low level. When no buttons are pressed, all the rows (inputs) are in the high level (with the pull-up function ). When any key is pressed, the corresponding rows and columns are connected together, and the corresponding rows are driven to a low level, resulting in a keyboard interruption. Then, the
In general, we can see the notebook keyboard near the right Entel key near the keyboard is generally marked with letters and numbers, these are the combination of numeric keys and letters, which are displayed by default, but can be switched to the numeric keypad by pressing the NUM LK key at the top of the notebook keyboard. Press the NUM LK key again to toggle the letter key mode. The following figure:
Many novice friends in the use of notebo
How to turn on the keypad:
We all know that the notebook keyboard is also a digital keypad, but because the editing of the keyboard area is limited, only the numeric keypad and letter keys integrated together. In general, we can see the notebook keyboard near the right Entel key near the keyboard is generally marked with letters and numbers, these are the combin
Solution to NumLock failure in Windows 7 system keypad
The NumLock key on the keypad in Win7 is often used. It is mainly used to switch the numeric switch on the keypad, which brings a lot of convenience to users. If one day you find that the NumLock key is invalid, you cannot enable it no matter how you click the keypad
When we use the desktop, we may like to use the right-hand keypad to enter numbers, because it is independent, not with its key to confuse, and on the right hand side, use is also convenient, but the notebook is not the same, it does not have a separate keypad, then how to open the notebook keypad?
Most notebooks come with a
Laptops are easy to carry and do a full article on the keyboard. Compared with the traditional desktop keyboard, the notebook keyboard eliminates the keypad, the keypad also plays a certain function. Some manufacturers in the design of the notebook keyboard still retains the function of the keypad, I will teach you how to open the following.
Function description
How JavaScript prevents the keypad from entering numbers:Do not know why to prohibit the keypad input numbers, but there is a need, but it is also very simple, is simply through the key code to determine whether the keypad is pressed, the following directly see the code, code examples are as follows:functionIsnum ()//determine the
The project in Vue, based on Vux-ui development, is a common requirement:1, the amount of input box 2, pop-up number keypad 3, only support input two decimal places, limit the maximum 11 digits, do not allow 0 startFirst, the first thought is the vux-ui in the development of Type=number. --Not OKVux in the document and code description, Type=number does not support MaxLength, will be error, and there is no regular replacement of the processing or hook
This is a lot of novice friends will often make a low-level error, is generally a desktop keyboard, leading to keyboard numeric keypad (0123456789*+, etc.) button failure Most of the reason is that everyone turned off the digital keypad, we can see if the NumLock key is open (generally for the keyboard on the right side of a group of light) Corresponding to a number of keyboard lights (that is, NumLock), pr
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