Before Qt5.3, I released the solution to solve QT5 creator cannot switch input method (FCITX), can not enter the problem of Chinese characters, Qt5.4 and Qt5.5, the old method fails because Qt5.4 is no longer binary compatible with previous QT5 versions, libfcitxplatforminputcontextplugin.so needs to compile the latest fcitx-qt5, See FCITX-QT5 is the problem solved in version 1.0.3, when writing a blog, I git clone to the 1.0.4 version. Compile FCITX-
, launch Android SDK Manager to download the Android SDK development tool. But because in the installation, UBUNTU14 on the hard down, or the speed is very slow, you can download the Adt-bundle-linux-x86-20140321.zip integration package, unzip the sdk/under the full copy to/home/adam/android/.3. The/home/adam/works/android
Recent period of time in the circle of friends, in the top right corner of the avatar to add a red bottom white number, so that a lot of obsessive-compulsive students point a stop, deeply admire the invention of the girl, too witty. But it can't be customized, it's a mishap ....This is in the circle of friends:This is easy to write in the Android program, using open source project Viewbadger can achieve this effect, I wrote a simple demo program open
My Android advanced tour ------) Unicode code values of some special characters in android, such as Arrow symbols such as character → character
In projects, some symbols are sometimes added to some controls (such as Button and TextView), as shown in:
In this case, images can be displayed, but these can be directly di
1. Get to the location where the cursor is locatedint index = Edittext.getselectionstart ();2. Inserting characters at the cursor locationint index = edittext.getselectionstart (); Editable Editable =" hahaha "); 3. Delete the character before the cursor (where the cursor begins to delete)int index = edittext.getselectionstart (); Editable Editable = edittext.gettext (); Editable.delete (index-1, index); Androi
Android character garbled problem handling, android garbled
Run the code in the Android Web HTML Viewer
Garbled characters are found in the html source code. The reason is obvious: charset = "gb2312"
The default character set for androi
Use the multi-Byte Character Set cross-platform (PC, Android, IOS, WP) encoding/decoding method, androidios
With the development of mobile terminals, cross-platform communication architecture design has become an important consideration. Data Communication between PCs, Android, IOS, and WP across multiple platforms, it is necessary to solve the problem of
1. Background
In the Android code we can see a variety of characters that start with @, most of them appear in the comments, as shown in the following figure
But do not underestimate their role, yesterday when I compiled the source code, in a "@link" where the error, the following summary of the commonly used @ character meaning.
2. Summary article
(1) The most annoying @
With the development of mobile, cross-platform has become a communication architecture design important considerations, PC, Android, IOS, WP and other cross-platform communication between the data, it is necessary to solve the problem of character encoding/decoding.The multi-byte character set MBCS is not a cross-platform preferred
The implementation of the function is combined with many excellent implementations on the Internet. Let's look at the small optimization.
Implementation ideas:
1. Get the mobile phone contact list: query the contact list through URI uri = URI. parse ("content: // com. Android. Contacts/data/phones ").
2. There are many contact fields, including name = "name", number = "Number", sort_key = "sort_key"; name, phone number, and very important sort_key fie
as:
\ n First, the confirmation and acceptance of the terms of service
\ n..
Note that you need to add \ n as a newline character in a string, and the newline character in TXT is invalid after the string is obtained.
No method 4: Read 4096 bytes at a time, UTF8, and the last connection string. Because Chinese characters may be truncated, resulting in a multiple of 4096 of the Chinese may appear garbled.
Hard keyboard ing for Android-character ing keycharactermap
Basic preparation knowledge:
Http://source.android.com/porting/keymaps_keyboard_input.html
Http://blog.csdn.net/skdev/archive/2010/03/08/5355542.aspx keyboard ing process, has been very detailed.
Http://www.kandroid.org/android_pdk/keymaps_keyboard_input.html
How to output multiple characters with one clickIf your keyboard is a full keyboard (inclu
the following log:From this log, it probably means that the Java layer is creating bitmap. Need a picture of the width of the height. But this size equals 0.But before the test is able to display tab, carefully think about, before the test has a problem, is that the previous test is the tab plus other characters of the mix , this place because the rich text box processing, is a single tab character , then with a single tab test. Sure enough, the same
a picture of the width of the height, but this size is equal to 0.But before the test is able to display tab, think about, the previous test has a problem, that is, the previous test is a combination of tab and other characters , this place because the rich text box processing, is a single tab character , then with a single tab test. Sure enough, the same crash as above.Back to this crash log itself, the graph to be generated, that is, the picture th
previous test is a mixture of tabs and other characters, because of the processing of rich text boxes, is a single tab character, then test it with a single tab. It is as crash as above.
Return to the crash log itself. The graph to be generated is the graph with the words written. The width and height of the image should depend on the content and size of the characters, why is it 0. Is it because tab is automatically ignored on
This example describes how Android controls both the number of edittext input characters and the prohibition of special character input. Share to everyone for your reference. The specific analysis is as follows:
Here's a summary of three ways to do the following:
Method One:
1. Reference two namespaces:
Import Android.text.TextWatcher;
Import android.text.Editable;
Used to prevent special
Android EditText limits the input of some fixed character attributes, androidedittext
Android: digits = "abcdefghijklmnopqrstuvwxyz1234567890"Only
How can I limit the number of characters in android EditText?
Only input is required. Generally, if you only specify the size of the input number, it can be used directly
XML Escape characterThe following is the numeric and string escape character for the XML marker"( #34; or quot;)' ( #39; or apos;) ( #38; or amp;)LT (GT (>) ( #62; or gt;)title:For example, define the following string in String.xml,I want toHello everyone, welcome to the Eoeandroid community.Welcome to Here!Two lines of the form output, how to do? Add \ n, look at the following:Space encoding in Android Str
During network transmission under the ndk, an encoding conversion problem occurs, that is, the file name uploaded by the other party is GBK encoded in Chinese and needs to be converted to utf8 for processing.
When programming in C/C ++, the system provides the character encoding conversion API. For example, functions such as multibytetowidechar and iconv library are available in windows, and wcstombs and mbstowcs can be used in pure C. However, I did
Problem: When using Android 4.4 to write Android access to HTTP, Connection.getresponsecode () will not be executed, nor error: But thrown org.json.JSONException:End of input at Character 0 of. Exceptions:Connection code: Public Staticstring Getjsoncontent (String url_path) {Try{System.out.println ("Url_path---->>:" +Url_path); URL URL=NewURL (Url_path); HttpURLC
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