Today, I mainly studied Android tabwidget, but at first I was not satisfied with the adjustment of height and text center.
If the image display effect is not added, it may not feel good.
It feels so bad. Then process the tabwidget.
The process is as follows:
Tabwidget = tabhost. gettabwidget (); For (INT I = 0; I
However, this is highly uncoordinated, and you need to adjust the height and then change
In Android, the app uses smsmanager. java provides a series of methods to send text messages, and there are many types of content to be sent, such as sendtextmessage, sendmultiparttextmessage, and senddatamessage, in this article, we will take one of them as an example to describe the complete process of sending text messages. If there are any mistakes, please co
As a J2EE developer, I decided to write a blog today because I was inspired by the prevalence of plagiarism and reprinting on the Internet! It mainly records some experiences in the development process and small programming skills. Of course, I finally made up my mind to start blogging because of a problem that has been plagued by these days. Recently, I started Android development and want to edit text wit
The Android custom TextView drawableTop icon is left aligned with the text (), and textview is left aligned
Public class DrawableTopLeftTextView extends TextView {private Paint mPaint; private float fFontHeight; private Drawable [] drawables; private int leftMargin = 40; // The TODO object must be obtained through code, public DrawableTopLeftTextView (Context context, AttributeSet attrs, int defStyle) {supe
Intercepts hardware key events
Even if the input method window does not have a clear focus, it first receives the hardware key events and can choose whether to use or forward them to the application. For example, during text orchestration, you can use the arrow keys to navigate in the candidate area of the input UI. You can also capture the rollback key to eliminate any window popped up from the input method window.
Override the onkeydown () and onkey
in the Android Development , we often use textview this control, in the process of use, we use the most method is setText (), pure use basically can meet our daily needs, but sometimes we need to do some processing of words, such as bold, Italic, underline, and so on, these are also available through the native method provided by Android . But what if we need to achieve the following effect:Text parsing und
In Android, TextView is used to display text strings and can be set to "editable ". In fact, TextView is a fully functional editing box, but it is set to read-only by default (equivalent to the label in Windows). Its subclass EditText enables the editing function to allow users to edit text.
In this example, a subclass LogTextBox is derived from TextView, which c
Example of text message backup for Android Development
It mainly uses content provider ContentProvider
#1. Add the write sdcard permission to the activity_main.xml layout file and the read SMS permission.
#2. MainActivity content:
Package com. wzw. backupsms; import java. io. fileOutputStream; import java. io. IOException; import java. util. arrayList; import java. util. list; import org. xmlpul
There is no progress in the project today, the company backstage problem. Look at the next time you learned Android notes, found that TextView will automatically wrap, and typesetting text is uneven. Check the information, the reasons are summarized as follows:1, half-width characters and full-width character confusion caused by: this is usually the Chinese characters and numbers, the English alphabet mixed
There are four ways to implement the composite controls of image and text. The first method is to use Gallery.
Part 1: Create a layout file to add text to images. The name is pic_text.xml and the content is:
Part 2: Layout file of the entire program, that is, a gallery:
Part 3: Main Program:
Package Yan. guoqi. testgallery; import android. app. activity; import
The previous three articles are essentially centered around the view class. View is the base class for the Android UI, and our Android development "journey" starts with view.The Android interface UI has a large number of components, which inherit and indirectly inherit from view. One type of component is basic, which is the TextView
Problems with Cocos porting to Android-Chinese Garbled text, cocosandroidThe version and device fragmentation of the Android platform are very serious. Therefore, porting from the Win32 platform to the Android platform has many problems. The following are some problems we have encountered from migrating the Win32 platf
Text message sent by Android listeningRun: prerequisites:
To listen for changes to the data of the specified ContentProvider, you must register the CotentObserver listener with the specified Uri through ContentResolver. ContentResolver provides the following methods:Register the listener:
Publicfinal void registerContentObserver (Uriuri, boolean policyfordescendents, ContentObserver observer)
Parameter: uri
: Color/transparent"/>Ellipsize PropertySets how the control is displayed when the text is too long. The following values are set: "Start"-the ellipsis is displayed at the beginning; "End"-the ellipsis is displayed at the end; "Middle"-the ellipsis is displayed in the middle; "Marquee"--displayed in the form of a marquee (animation moves Sideways)Marqueerepeatlimit PropertySets the number of times to repeat scrolling when ellipsize specifies marquee,
Observe the text message interception of 360 and the text message interception of QQ manager, and find that the installed text message can be intercepted first, and then the broadcast is interrupted. Then no one can get the text message. Here, we can launch a broadcast table for the system, which is discharged in the o
After reading a lot of examples of downloading text, I thought it was not easy to understand. I wrote a simple and easy-to-understand code.
Package COM. example. demodownload; import android. app. activity; import android. app. progressdialog; import android. OS. bundle; import an
We know that the style of the dialog box provided by the Android system is a little simple. If your application is gorgeous and coupled with a simple dialog box, it seems out of place.
So ...... we can use reflection technology to prevent the close of the dialog box, set the transparency of the dialog box, set the button image, and so on.
Here we set the image of the button in the dialog box and insert the image into the content
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