Without looking at the API, I checked the information on the Internet. Originally, requestwindowfeature was used to set full screen.
In Activity
This. requestwindowfeature (window. feature_no_title );
Getwindow. setflags (windowmanager.
In Android, we can listen to the ontouch event of imageview, and then drag it again by layout imageview. In this case, the source imageview will also be moved. If you want to achieve a drag-and-drop effect without moving the source imageview, you
Textview has its own property Android: autolink = "Web". setting this property allows android to automatically identify the URL and click it to open it. However, this is the default browser to jump, we hopeProgram. At this time, we need to use
For Android: Background = "@ drawable/White" statements, we must ensure that the project's drawable directory contains an image resource file named White. (PNG, GIF, and other formats ).You can define the color code directly, but you can use
Android preliminary-HelloWorld
The first time I came into contact with Android development, I got a new one, made a Helloworld, and recorded some notes.
Use Eclipce to create a new HelloWorld with the following content:
The role of these
Use AVD manager to create a simulator and select an SD card image file.Problems found during deployment1. the following error was found during the creation of the SD card image
From: http://www.52solution.com/article/articleinfo/id/80009971/page/1
Central topics:* Development of Bluetooth on Android1. Overview
Bluetooth is a standard feature of almost every mobile phone. It is mostly used for connection between devices
Threads enabled in Android do not actually close when thread. Stop () is used. When we start the thread again, an exception occurs: thread is already started.
To solve this problem, you can add a judgment mark in the run method of the thread. For
I recently studied the waterfall stream code and learned the source code of ListView by the way. Record it here.
The ListView source code has greatly optimized the performance of the ListView. Here we mainly use the RecycleBin.
RecycleBin promotes
The effect of the rubber band of Path is actually quite good. Here we will record your learning experience.
The core idea of the rubber band should be friction and elasticity. When pulling down, it will simulate a friction effect, and when it is
Previously, we learned how to store data through preference and SQLite databases, or through files. Files can be pre-packaged or generated by applications.
There are two ways to access files: 1. Files with static data can be prevented from being
A small example bookprovider was provided before. Let's look back at how to read data through the content provider.
(1) Increase
Private void addbook (string name, string ISBN, string author ){/* You can see from the parameters of the
In study notes (17th), we further discussed ListView. However, the elements in the example list can have multiple widgets and set their values flexibly, however, there is no interaction between these widgets, and the call to getView () requires
Update (2012.11.30 ):Today, Google launched ADT-bundle in Windows to integrate ATD and SDK into eclipse. It is a one-click installation. You do not need to configure it yourself. You can directly go to step 4th. It is similar in the Linux
Learn two display items: ProgressBar is used for output and SeekBar is used for Input.
ProgressBar
1) Android XML file
......ProgressBarAndroid: id = "@ + id/c81_firstBar"Style="? Android: attr/progressBarStyleHorizontal"Android: layout_width = "
Logcat commissioning Information
In Window-> Show View-> Other... -> Android-> LogCat, The LogCat window is displayed. out. print () and Log. d () can print the information we need, for example:
System. out. print ("Hello -------------------/n ")
Autocompletetextview, which has a text prefix and a choice similar to a spinner. You can also enter the required content, which is not in the list of the spinner.
Autocompletetextview is the subclass of edittext. You can use all attributes of
In the last study note, I learned how to parse XML files. In fact, some simple activity attributes and some simple information can also be put into XML files, which can be directly put into Res/vaules, the system does not need to use xmlpullparser
According to the www.mars-droid.com: Andriod Development Video Teaching, first skip the book "Beginning Android 2" chapter, I am the two resources to see together, need to be synchronized. First, let's take a preliminary look at how the application
In the above several times, we learned how to load multi-page information on a limited screen. In addition, we can also hide and expand the information, there are more phenomena in the limited space on the screen, which is
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