Android Launcher: get the list of apps installed on your mobile phone. Android launcher
The most important of Launcher is to obtain the entries and icons of all application lists. Generally, there are two methods to obtain them:
PackageInfo
ResolveInfo
Run and obtain the Launcher of all apps and allow click events to g
have the highest market share and focus, and MediaTek, with its low-cost quad-core processors released at the end of last year, also has a good market performance this year in the entry-level market, with a large number of domestic manufacturers using their products. Let's look at the brand of these mobile processors.Qualcomm Snapdragon DragonI was the first to know Qualcomm is a network of communications patents to make money, and later in the era o
application code's use of OpenGL extensions and embedded system graphics libraries (EGL. You should evaluate the extensions used in traditional code at the early stage of the porting process and compare them with the extensions actually used on the target Android device. Expansion is a way for GPU developers to expose specific features of their GPUs beyond the standard OpenGL rules. All extensions used in traditional code that are not applicable to t
[Learn Android while working on projects] mobile security guard 08-layout and display details: State List, android08-
We noticed that the display status of buttons in some applications is different from that of normal ones when they are clicked, for example:
Normal: selected:
How can this effect be achieved? The Android
state;
Android:state_checkable:boolean type, only used on the widget can be selected, True indicates optional, false means not selectable;
Android:state_checked:boolean, when True, indicates that the item is in effect when it is selected, and false is not checked when it takes effect;
Android:state_enabled:boolean, when True, the item takes effect when the object is active, such as when the object can accept touch or click events;
The Android:state_window_focused:boolean
(a) mobile terminal developmentA mobile phone to achieve the most important function-call to send text messages, the phone will contain the following parts: RF, baseband, power management, peripherals, software and so on. Recall the history of mobile phones:1, function phone (Feature phone): Only with baseband chip. Can only be used to call and send text messages
(a) mobile terminal developmentA mobile phone to achieve the most important function-call to send text messages, the phone will contain the following parts: RF, baseband, power management, peripherals, software and so on. Recall the history of mobile phones:1, function phone (Feature phone): Only with baseband chip. Can only be used to call and send text messages
(a) mobile terminal developmentA mobile phone to achieve the most basic function-call to send text messages, this mobile phone will include the following parts: RF section, baseband section, power management, peripherals, software and so on. Look back at the history of mobile phones:1, Function
Learn how to get the mobile phone program list and program-related information and start the specified program (26), android-related information
:
Program list:
Start the program and obtain the program information:
The Code is as follows:
Create an AppInfo class to represent the application
Create an adap
Android mobile guard-navigation interface 3, 4 and function list interface jump logic processing, android4 and
It took just a moment to write the layout of the navigation interface 3 and 4 and the corresponding jump logic:
The Setup3Activity code is as follows:
/** * Created by wuyudong on 2016/10/10. */public class Setup3Activity extends Activity{ @Override
was no longer supported from XCode4.5, so the list was written in white. 5. Fifth Case Architectures:armv7, armv7s, arm64 Valid architectures:armv7,armv7s Generating the instruction set supported by the binary package: compilation error message
No architectures to compile for (Only_active_arch=yes, ACTIVE arch=arm64, valid_archs=armv7 armv7s)
As you can see, when build Active Architecture only works: The connected phone ins
supported by the binary package: compilation error message
No architectures to compile for (Only_active_arch=yes, ACTIVE arch=arm64, valid_archs=armv7 armv7s)
As you can see, when build Active Architecture only works:The connected phone instruction set match is from high to low (Arm64 > Armv7s > ARMv7) in turn.If the phone is connected to iphone5s, its default instruction set is arm64, if the architectures list is ARMV7, armv7s, the arm
)
As you can see, when build Active Architecture only works:The connected phone instruction set match is from high to low (Arm64 > Armv7s > ARMv7) in turn.If the phone is connected to iphone5s, its default instruction set is arm64, if the architectures list is ARMV7, armv7s, the armv7s instruction set is selected as the target instruction set, if the valid architectures list contains the instruction se
Active Architecture only works:The connected phone instruction set match is from high to low (Arm64 > Armv7s > ARMv7) in turn.If the phone is connected to iphone5s, its default instruction set is arm64, if the architectures list is ARMV7, armv7s, the armv7s instruction set is selected as the target instruction set, if the valid architectures list contains the instruction set, The successfully generated bin
There is a huge opportunity to migrate games and other applications that use a large number of 3D graphics from OpenGL to Google Android devices, including devices built on Intel's atom micro-architecture, because OpenGL-based games, game engines, and other traditional software are easy to obtain, OpenGL is easy to transplant, and Android can provide OpenGL ES and C/C ++ support. Even, the availability of m
Article Description: List of resolution for mobile devices.
Mobile Equipment Resolution list (unit: PX), see the following figure:
Maximum: 1024x768 minimum width: 240px Medium width: 320px
ipad 16g/wifi version
Screen resolution: 1024x768 9.7 inches
Screen Size: 9.7-inch multi-touch touch IPs screen
(allows an application to delete cache files)
Android. Permission. delete_packagesAllow a program to delete a package (allows an application to delete packages)
Android. Permission. device_powerAllows low-level access to power management)
Android. Permission. DiagnosticAllow program RW diagnostic resources (allows applications to RW to diagnostic resources .)
After careful comparison, the final selection of 2017-2018 Autumn textbooks:Android mobile app Design and Development (2nd edition)-based on the Android studio development environmentPublication date: 2017-03-01 ISBN: 978-7-115-44780-7 Price: 49.80 RMB page: 268
1th Android Introduction 11.1 Android Development O
Recently need to implement a mobile phone address Book fast indexing function. Fast indexing function based on first letter of name. Below is a mobile phone contact Quick Index effect, the overall code is not difficult, pinyin conversion place slightly complex. The following source code: The source code has comments.
Here is the effect chart:
Mainactivity:
Import java.util.ArrayList;
Import java.ut
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.