Android Material Design-Maintaining Compatibility (Compatibility)-(7)
Some materialdesign functions such as material themes and custom activity transition can only be used in Android 5.0 (API level 21) or later system versions. However, you can design your app to use those features, whether on devices that support materialdesign or earlier
ANDROID-SUPPORT-V4: This package is designed to take care of 1.6 and later, this package is the most widely used,Eclipse New project, the default with the . When you open a . class file, There is no anti-compile plugin underEclipse that cannot be opened.ANDROID-SUPPORT-V7: This package is designed to take care of 2.1 and above, but does not include lower, so if 1.6 is not considered , We can add this package, and note thatv7 is dependent on the V4 pa
Currently, we have seen two ways to adapt to changes in the screen direction. Now let's take a look at the changes in the Activity status when the screen direction changes.
1. Create a project: Orientations.
2. main. xml file.
[Html]Android: layout_width = "fill_parent"Android: layout_height = "fill_parent"Android: orientation = "vertical">
7 Types of android dialog use examplesIn Android development, we often need to pop up some dialog boxes on the Android interface, such as asking the user or letting the user choose. These features we call it Android Dialog dialog, in the course of our use of
can be used by other applications. If you do not want other applications to access your ContentProvider, you can set android: exported to false in the mainfest of the application. Www.2cto.com
When creating a ContentProvider for other applications, You can separately specify the read/write permissions. It is recommended that the given permissions can complete the current job.
If you use ContentProvider to share data in different applications of unifi
Android technology 7: Activity startup mode, androidactivity
1. Activity Startup Mode
In Android, four startup modes of Activity
Standard (default)
SingleTop
SingleTask
SingleInstance
The four startup modes are configured in AndroidManifest. xml to set parameters in each activity to android: launchMode.
2. patter
Editor's note: After the release of Windows Phone 7, the mobile development industry, except for the iPhone and AndroidIt will be clear that more and more developers begin7. Platform transfer. This article, written by Zhao Yu, a famous developer for infoq, details the Modern. Net DDD recently heldAt the Conference, Chris hard, a famous developer, demonstrated how to develop Windows Phone-Oriented Systems Based on. NET/C #.
Installing the android SDK in Windows 7 may encounter the following situations.
An android simulator is created but cannot be opened.
An error occurred while enabling the simulator.
Panic: cocould not open c: \ User \ ooflywiung \. Android/AVD/2.3.3.ini
★The method is as follows:★:
① Take the preceding e
Android: Daily Learning Notes (7) ——— Explore UI Development (4) UI Overview View and ViewGrou theall user interface elements in Android apps are View built using and ViewGroup objects . Viewobject is used to draw content on the screen that the user can interact with. ViewGroupobjects are used to store other View (and ViewGroup ) objects to define the layout of t
Android UI programming (7) -- Fragment, androidfragment
Fragment is a part of the Activity interface or an action. You can combine multiple Fragment members into an Activity to create a multi-faceted interface and reuse one Fragment in multiple activities. You can also think of Fragment as a modularized Activity. It has its own life cycle, receives its own events, and can be added or deleted when the Activi
another
AVD is created, it must be re-copied.
solution 2: Open System Properties-> environment variable-> under the groupbox of "system variables", select "new"-> the variable name is "android_sdk_home" (note, this variable name cannot be changed. It can only be this name !), Then change the variable value to the value of AVD ". android "folder location, for example:" F: \ androidemulator ", here I put it in the
Piglet's Android starter Road Day 7 Part 4--contentprovider (content Provider) for Android data storage and access ---Reprint please specify the Source: Coder-pigIntroduction to this section:In the previous study, we have learned some ways to store data, and these can be shared, such as files, we can put the operationMode is set to Context.mode_world_readable or
(Switch) The iOS7 Style dialog box (QQ dialog box) -- Third-Party open source -- IOS_Dialog_Library and android iOS 7
This article is reproduced in: http://blog.csdn.net/zhangphil/article/details/44940339
IOS_Dialog_Library
: Http://files.cnblogs.com/files/zzw1994/IOS_Dialog_Library.zip
Or: http://download.csdn.net/download/zhangphil/8573925
After downloading it, import it to Eclipse, and introduce it
This article I spring and autumn writer--hai_
0x00 Prefacehai_ Reverse User manual (want to try a new writing)Other android reverse Advanced Series Courses Character descriptionSmall white: Has mastered some basic reverse skills of the rookie.Little Red: Little white girlfriend.White: The Master of the Little Bai.Zhushan (Da Baiju)Master Shifu, I came down today to hear someone say that there is a river in the river to hook the martial arts c
Configure QT5.2.0-Android:
Develop software in Windows 7 ~ You don't need to use eclipse to develop android software. After configuration, you can write C ++ code and run the APP on your Android phone!
Software Configuration: ensure that you only have one Qt on your computer. If you have installed other versions of Qt
right (like a mobile phone), open the AVD manager, click New to create a simulator, enter Name avd4.0, specify Target to select Android4.0, then the size of the SD Card is allocated to 256 MB, and then Create AVD.
AVD created ....
5. Our Hello World (We run it together !)
Select File> New> Android Project and name it HelloWorld.
Write code:
1 package allen. liu. helloworld;
2
3 import android. app.
Problem description: Android requires compiler compliance level 5.0 or 6.0. Found '1. 7' instead. Please use Android tool.
Because the previous versions of Eclipse, Adt, SDK, JDK were too low, they were downloaded from the official website two days ago.
After successful configuration, an error occurred while adding the original project!
, click OK to prepare the work has been done, the next is the configuration task: Click New on the Home page, customize the task name, and then type Select the free-style software project, click OK.Here are the configuration parameters for the task:Fill in git address, for Gitlab, recommended to choose the address of the beginning of HTTPS, to avoid a series of SSH permissions issuesSelect the branch trigger that you want to pull at the same time. I configured the build-time-to-gradle version ev
bottom left corner of the Patchscale to stretch a bit, see the effect, 1-40 shows. Figure 1-40 Raw ExtrudeAt this time, we can see three kinds of stretching are deformed, the border is very coarse, this is because The default stretch is the overall stretch, but most of the time we just want to stretch the part of the picture, so that we define the stretch area ourselves, we click the left mouse button on the top edge to add the width 4px black line, the effect 1-41 shows.Figure 1-41 top Edge Pr
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