Android basic getting started -- 2.4.11 AutoCompleteTextView (automatically complete text box) basic usage1. related attributes:
Android: completionHint: Set the title of the prompt in the drop-down menu.
Android: completionHintView: Display the drop-down menu in the definition prompt View
Many Android programs now display buttons and titles on the title bar, such:
The following example shows how to implement it.
1. Create a titlebtn. xml file under layout with the following content:
[Html]Android: orientation = "horizontal"Android: layout_width = "fill_parent"Android: layout_height = "fill_parent">
In Android, ListView achieves parallel image and text and custom split lines (improved imitation APP), androidlistview
In the blog post Fragment and ViewPager in Android yesterday (early this morning), we used Fragment and ViewPager to simulate the layout framework. Today, we will use ListView to implement the basic view of the contact column. The effect is as fo
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
The second method also creates an XML layout file for images and text, and then writes a class inherited from linearlayout. Instantiate and set relevant parameters in the main program. This method is also the most recommended one.
Part 1: myimgbtn_layout.xml
The second part is the myimgbtn. Java file corresponding to the layout:
Package Yan. guoqi. testimgbtn; import android. content. context; import
Linkify provides a helper class for TextView and its subclass to automatically convert text strings into hyperlinks. Of course, text strings must comply with predefined or custom regular expressions.
After a text string that complies with the regular expression (RegEx Pattern) is converted to a hyperlink, When you click the hyperlink, startActivity (new Intent (I
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
Android Development Series (20): Functions and usage of AutoCompleteTextView (automatically completed text box,
After you enter a certain number of characters, the automatically completed text box displays a drop-down menu for you to choose from. After you select a menu item, AutoCompleteTextView can automatically enter the t
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
We have introduced a series of Android development tutorials, such as how to implement TCP and UDP transmission,Build an Android Development Environment on MyEclipse 8.6Next, let's introduce the text of TextView in Android.
BKJIA recommended topics: Android development and a
Text can be moved as long as it is within the image range.[Java]Package xiaosi. GetTextImage;Import android. content. Context;Import android. content. res. Resources;Import android. graphics. Bitmap;Import android. graphics. BitmapFactory;Import
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
Background
In the process of application development, it is often seen that some information with different font styles is like the time and charging information on the default lockscreen. In a similar situation, the first possible response is to use different textviews. Different font styles are set for each textview to meet the requirements.
Android is recommended. text. *; and
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