The previous part of the "Android Custom Component Series" 5 "-Advanced Practice (1)" Pinnedheaderexpandablelistview "can pull down the implementation of the" realization of the ". Let's take a look at the use of Expandablelistview and achieve the remainder.Original source: http://blog.csdn.net/singwhatiwanna/article/details/25546871First, the use of Expandableli
Problem phenomenon: Found on the Foreigner's website, the generated app, after running, access to the service error. I wonder who the great God can help to see where the code goes wrong. Please, kneel!1 UnitUnit1;2 3 Interface4 5 uses6 system.sysutils, System.types, System.uitypes, system.classes, System.variants,7 FMX. Types, FMX. Controls, FMX. Forms, FMX. Graphics, FMX. Dialogs,8 FMX. Controls.presentati
Toast is a mechanism used to display information in Android, unlike dialog, where toast is not focused, and toast is displayed with limited time, and will automatically disappear after a certain amount of time.1. Default effect:Toast.maketext (Getapplicationcontext (), default Toast style, Toast.length_short). Show (); 2. Custom display position effect: Toast = Toast.maketext (Getapplicationcontext (), "Cus
Public-oriented mobile technology: comprehensive introduction to Android (1)
Enter the mobile world of Android and build your first application
The mobile field is a promising field. For developers who want to enter this field, Android is an exciting platform. This series will first introduce
: background = "@ mipmap/iv_icon_zhu"/"@ drawable/btn_back_selctor"
In Java code, we can use getDrawable (R. mipmap. xxx) of Resource to obtain drawable resources.
To set a background for a control, such as ImageView, we can directly call the control. getDrawale ()
You can obtain the drawable object! Resource names in drawable in Android must be:
[A-z0-9 _.](That is, it can only contain letters, numbers, underscores (_), and periods .),
And canno
grab packets
5. To be Android's Hello Word
2. Start up 1. Download Android Studio
Run Hello Word
Android Studio has a Gradle build running the problem of a very long time is very annoying to start the first time fast. And then it got stuck. Baidu's methods have also been used. It didn't work out well. Later cleared th
maybe a lot of friends can not wait to use Robotframework+appiumlibrary to write the test script of Android app, then we also talk less, direct start. first Open ride, this is to write robotframework test script integration environment, if not installed first, of course Robotframework also want to install, these people can find relevant information on the Internet to solve how to install the problem. Second, Create a new Resource.txt file, this file i
Android FoldingLayout folding layout principle and implementation (1). android code implements Layout
Reprinted please indicate the source: bytes]1. Overview
The blog about FoldingLayout and the github address. I feel very nice, so I spent some time researching and writing this blog. This blog will show you how to anal
In a remote Service call, how does the Activity communicate with the Service? For remote Service calls, there are usually two different processes in different projects. What is the process communication mechanism? I drew a picture to illustrate it.
Click to view the chart
During remote communication, the Android process will:
1. Generate a main thread.
2. Generate a logoff object
3. Generate a me
The Android system will maintain a program process for as long as possible, but when the system resources are insufficient, after all, the system will kill some old processes for some new or more important processes to release the memory. The system determines the importance of each process based on the running status of components in the process, so as to determine which process needs to be killed and which process needs to be maintained. The least i
One JDK downloadDownload JDK7 from Oracle official website, not download the latest JDK8, because the habit of downloading the new version, relatively stable.JDK Download Home: http://www.oracle.com/technetwork/java/javase/downloads/index.htmlJdk7:http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlThe Linux X64 version is selected as follows:Two JDK decompressionsudo tar-zxvf jdk-7u67-linux-x64.tar.gz-c/usr/bin/androidThree JDK settingsNext configure the JDK envir
Android Baidu map SDK v3_3_0 (5), androidv3_3_0
Reprinted please indicate the source: http://blog.csdn.net/tanzuai/article/details/43835431
Currently, Baidu map SDK integrates the following search services: POI search, bus information query, route planning, geographic code, online suggestion query, and short string sharing.
This blog will first introduce POI search and online suggestion query (based on the
Department of Famous Door Android (5)-Control (View) Textview,button,imagebutton,imageview,checkbox,radiobutton,analogclock,digitalclock
Introduced
Use various controls in Android (View)
TextView-Text Display control
button-Buttons Control
ImageButton-Picture Button control
ImageView-Picture Display control
CheckBox-check box control
RadioButton-Radio Box
motherboard. MTK in the feature phone era of success, is it possible to continue to flourish in the smart phone era? To answer this question, start with a deeper understanding of the hardware and software differences between the feature phone and the smart phone.Reference,[] MTK platform development and the function of each chip. (http://bbs.cniso.org/bbs/thread-64473-1-1.html)[24] Enhanced Samsung S3C44BO
Android custom learning (5) custom Progressbar
The last phase of custom View learning is now available.
I believe everyone has their own implementation methods. Here I will post my methods for reference.
/* Scale Paint brush */private Paint linePaint;/* progress Paint */private Paint textPaint;/* progress */private int index = 0; /*** scale */private int ruling = 0;
private void init() {linePaint = new
Android Camera Real-Time Filter (5), androidcameraAndroid static filter implementation 1. Review knowledge point 1. Basic filter effect implementation (black and white filter)
The technology used is ColorMatrix. The image imaging effect is changed by changing the RGBA coefficient.
Created with Rapha rjl 2.1.2
sensors can be simulated using third-party development tools ). #
To create an AVD device, you can open the Manager by clicking the AVD Manager button on the Eclipse toolbar.
# Tip: Where is the button? Is the button of a robot drawing on the toolbar #
Next, we can click New on the right to add AVD.
In the pop-up window, we can see some options:
1: Name (Name): Name of the custom device. select according to your interests.
2: Target (Target Platform
[Original] rookie version Android Note 1-Android architecture and Application, android1-Android Architecture
Figure 1
The top-down names of the Android architecture are application layer, application framework layer, Runtime Libra
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