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Different Layouts
To improve user experience on screens of different devices, you should create a unique XML layout file for each screen size you want to support. Each layout file should be stored in the appropriate Resource Directory, which uses the screen size-as the suffix. For example, a layout file for large screens should be placed under the res/layout-large/directory.
Note:Android automatically scales your layout to adapt to the screen. In thi
: Com.android.launcher.action.UNINSTALL_SHORTCUT*/Intent addintent = new Intent ("Com.android.launcher.action.INSTALL_SHORTCUT");/**android specifically provides Intent.ShortcutIconResource.fromContext to create a shortcut icon, and finally returns it through Setresult */parcelable icon = Intent.ShortcutIconResource.fromContext (Mainactivity.this, R.drawable.ic_launcher);Intent myintent = new Intent (mainac
Linearlayoutmanager (Mrecyclerview.getcontext ())); Mrecyclerview.setadapter (New Recyclerviewadapter (Getactivity ())); } public class Recyclerviewadapter extends recyclerview.adapteryou can see that the real fragment layout is actually a recylerview. Fragment_activity_new.xml layoutFragment_activity.xml layoutNote that, if there is a ListView inside the Fragment_activity.xml, the layout of the ListItem must be linearlayout, and the height of the ListView must be calculated, otherwise the e
Recognize Activity and create the first android app, activityandroid
Activity is the most basic core component of Android applications and a window for user-to-application interaction. In Android applications, an Activity usually corresponds to a separate view. An
Create a Material Design-style Android app-define the shadow and cropping view, materialandroid
I have previously written about using the topic and ListView, CardView, and Material Design Styles. Both of them can be backward compatible through the support library. The shadow and view cropping to be written today are not backward compatible. Please note.
Material
Tutorialhttps://www.jianshu.com/p/bf77cb5ce70bPlaces to be aware ofJDK Directory LookupThe JDK directory is copied to the tool directory (JDK can be copied, no other involved)https://www.jianshu.com/p/bf77cb5ce70bInstallation path of the JDK under Mac46636769Setting environment variableshttps://segmentfault.com/q/1010000002948042If you create an empty project, you may not be able to create it.
First choose your own application, find here650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/76/5A/wKioL1ZQckqzegPkAAFp76r5pBs238.png "title=" Qq20151121212728.png "alt=" Wkiol1zqckqzegpkaafp76r5pbs238.png "/>Click to enter to create a new key650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/76/5B/wKiom1ZQcoLSDQh9AACICvolBm4588.png "title=" Qq21110151121213201.png "alt=" Wkiom1zqcolsdqh9aacicvolbm4588.png "/>Then fill in the appropr
Version: v2.0Group: 26346176For an updated version welcome to our "Local application development WebApp" group and work together to develop a "local application" that is run everywhere. We will always open source, the wisdom of sharing, only so that we can together the application experience to do well!Characteristics:1, the program is simple, this program only a class, you just need to modify the URL and replace the image can be generated by your Android
items. Click "Preview"
Note: It is best not to place your project in the Chinese path. Otherwise, an error will occur during rename. I started to put the error in the Chinese path for a long time before I found the error!
4. Delete this sentence in the AndroidManifest. xml file. (Android: sharedUserId = "android. uid. shared ")
In this case, I used launcher 2.3 to perform the experiment. The result is OK
are about 7 inches in size, and for this type of pad, you can consider directly allowing users to use the mobile version of the app (if an app is used on a 6-inch phone, there is no interface problem, which can usually be used on a 7-inch pad).Apps for mobile versions: games, video playback, graphic image processing, reading, education, or corporate office are recommended to support horizontal and vertical
(1) Android. App. Fragment: the minimum compatible version is Android: minsdkversion = "11"
Therefore, your application is not compatible with applications under 3.0.
You can use the
(2) Android. Support. v4.app. Fragment: compatible with version 1.6. The ProgramIn th
1. Why can third-party apps start up earlier than the system app? Android App Launch Order online there is a lot of information can be consulted, here is not detailed, here does not elaborate ROM start and bootloader, the general process of software startup should be
Start kernel
Run ServiceManager to start up some native services with commands (incl
Mobile internet refers to mobile websites and apps, where apps are divided into native app (native app), web App (HTML5 development), Hybrid app (the first two apps combined), mobile website is divided into WAP website and 3g
dig into the next!Cordova compiled packaged Android APP build apk Install packageAfter the analysis of the Cordova CLI, the Cordova CLI is just a command-line tool that does not have any environment capability, so to compile the Android apk file first we want to install the Android environmentBefore installing the env
Android starts the APP in the browser, android browser appTo start an APP in a browser, follow these steps:Add intent-filter information to the ACTIVITY to be redirected:Example:Add the following link in HTML: After entering the APP, you can use getIntent () to obtain the in
Organize your records use Cordova to create an app app and deploy it to your Android mobile device on a detailed process, as follows:First, the pre-installation environment1. Installing the JDK (Java SDK)2. Installing Gradle3. Install the Android SDK4. Add SDK Packages5. Set
refer to the official documentation or follow the steps below:
Download uncompressed viewport.js or in a compressed version of Viewport.min.js
Index.html in the public directory to introduce the download good JS, please write to all CSS references, otherwise some Android problems, and do not set the meta-tag viewport
Open Config/webpack.config.dev.js, add a new line of code
{test:/\.css$/, use: [Require.resolve (' Style-load
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