navigation programs for android

Android learning notes-Implementation of the navigation bar at the bottom of the Fragment instance, androidfragment1. Implementation and project directory structure: Take a look: Next let's take a look at ourProject directory structure: 2. Implementation Process: Step 1: write down some resource files of the options at the bottom We can see from the figure that each click at the bottom has different effect

(existid! =-1) {NAVIDB. Deletenavihistorybyid(Existid);} navihistory navihistory = new Navihistory (where, textcity);Navidb. Addnavihistory(navihistory);Navihistoryadapter. notifydatasetchanged();} } } }Coordinate system Transformation:/** * startLatitude,startLongitude为bd09ll * bdLocStartAfter.getLongitude()和bdLocStartAfter.getLatitude()即为转化过的坐标系 * BDLocation.BDLOCATION_BD09LL_TO_GCJ02表示从bd09ll转成gcj02坐标系 */new BDLocation(); bdLocStartBefore.setLatitude(startLatitude

Over time now the software requirements show more and more content, so in the small screen can better display more content, first of all we will think of the bottom menu bar, but sometimes think NetEase news to show too much content, but also want to show all the main page out, so have added the top navigation bar, But mobile devices such as Android are limited in memory, so the multiple interface caching i

proposed, search and dynamic, respectively into the discovery and notification. Consolidate six entrances into four:The adjusted result saves more space and allows you to reserve a good position for level two Tab:The following is the overall effect of adding level two tab, and when the user slides to the last tab of the first page, sliding again will enter the discovery page:Google Photos has also started to use Bottom Navigation after it has recentl

sectionindexer. However, it is too troublesome to write another sectionindexer. Here, we directly use the Android-provided alphabetindexer implementation, it is sufficient to use it to implement the Contact Group function. The alphabetindexer constructor requires three parameters. The first parameter is cursor, the second parameter is sortedcolumnindex, and the third parameter is the alphabet string. The cursor transmits the cursor we found from the

you can set the Mainactivity startup mode to Singletop, Avoid repeating new OnCreate (). Intent Intent = new Intent (context, mainactivity.class);//When the user clicks Notification in the notification bar, switch back to mainactivity. pendingintent pi = pendingintent.getactivity (context, request_code,intent, pendingintent.flag_update_current); Notification.contentintent = pi;//sent to the phone's notification bar notificationmanager.notify (notification_id, Notification);}}It is important to

Android horizontal navigation menu1.: VcD4NCjxoMyBpZD0 = "2 Project address"> 2. Project address: Https://github.com/lynnchurch/HorizontalScrollMenu.git 3. Use sample code: Package com. example. horizontalscrollmenusample; import java. util. arrayList; import java. util. arrays; import java. util. list; import com. lynnchurch. horizontalscrollmenu. baseAdapter; import com. lynnchurch. horizontalsc

The popular application of the navigation is generally divided into two kinds, one is the bottom navigation, one is the side bar. Description Ide:as,android Studio;Simulator: genymotion; The effect of the implementation, see the figure below. Concrete implementation In order to understand this implementation process, we post the code more than one write,

I have been engaged in web development for more than 1 years, in this period of time has been studying new technologies, from now on will be home, and many web development enthusiasts to communicate and learn. In the future, I will continue to end the New Year 1 years of learning knowledge and future contact and learning skills, share their unique view of web development, this blog has any questions, you can contact me directly or leave a message, let us together for the future mutual encouragem

emulator ' emulator-5554 ' running compatible AVD ' myavd_2.2 '[2011-08-11 09:29:15-lifecycle_test] Application already deployed. No need to reinstall.[2011-08-11 09:29:15-lifecycle_test] \lifecycle_test\bin\lifecycle_test.apk installed on device[2011-08-11 09:29:15-lifecycle_test] done![2011-08-11 09:30:47-lifecycle_test]------------------------------[2011-08-11 09:30:47-lifecycle_test] Android launch![2011-08-11 09:30:47-lifecycle_test] adb is runn

Android Internship notes (5)---the implementation of the bottom navigation bar of fragment--Reprint Please specify Source: Coder-pigIn Part 4 we reviewed the basic concepts of fragment, and in this section we will learn the simple examples of fragment applications.is to use fragment to achieve a simple bottom navigation bar, first paste:It looks simple, and it's

"Http://androidxref.com/6.0.0_r5/help.jsp", written in quite detailed, interested classmates can see.This article from the countercurrent fish yuiop, the original link: http://blog.csdn.net/hejjunlin/article/details/53454514The first time to get blog update reminders, as well as more Android dry, source code Analysis , Welcome to follow my public number, sweep the bottom QR code or long press to identify two-dimensional code, you can pay attention to

lock screen function./frameworks/base/packages/keyguard/src/com/android /keyguard/keyguardviewmediator.javaprivate Boolean mexternallyenabled = True to change the mexternallyenabled to false. But this just changed the boot default value, the user can still use Disablekeyguard/enablekeyguard to start. To ensure that the 3rd app cannot be modified,/frameworks/base/packages/keyguard/src/com/android/keyguard/k

Get out New is shown behind the system bars. A typical use- case would is an app for needs to show through to a wallpaper.This is the original text on Android developer anyway, I don't know what I'm aware of. Implementation and transparency with the navigation bar and status bar some gradient effects1. Setting the themeAfter adding these two properties it is the effect that you can see the ListView has be

Xamarin.Forms 3.1.0+ version Android native support bottom navigation barXamarin.Forms 3.1. More than 0 version finally support Android bottom navigation bar, can not use the third-party support library.https://developer.xamarin.com/releases/xamarin-forms/xamarin-forms-3.1/3.1.0/C # code:OnXAML Code:Tabbedpagexmlns= "H

this resource, just write the string int value, will produce an exception, then the system Dalvik VMS will directly shut down your process, which is very effective, CWJ usually not published to everyone. 6. Thread.uncaughtexceptionhandler But some netizens said, there is force Close dialog box how to do, In fact, by rewriting the Android application's application base class to implement its own Thread.uncaughtexceptionhandler interface Uncaughtexcept

layout ID, press the shortcut key Alt + Insert to pop the Generate window, select Generate Butterknife injections to generate the ID control defined in the current layout.Similarly, you can search for Android Butterknife Zelezny for installation in Android Studio Settings->plugins.0x04 ectranslationWhen you view the source code in Android Studio, you can use it

Android intermediate-level system programs and installers 21:37:08 Source: http://www.cnblogs.com/mengshu-lbq/archive/2010/09/09/1822237.html Enter the above keywords + android on Google, and you can find the code: 1 List0); Although some code claims to be able to filter out the system's own applications, as long as you look at the code, you

restarted with the previous state, and you should not use this technique to keep your state from slipping through the normal life cycle. It's not just that you can't avoid the changes you're not dealing with that will cause your program to restart, and you should handle the event that the user left your program and destroy it before the user returns.If you want to know how many configuration changes in the activity can be handled, look at the Android:configchanges and configuration classes.

Suppose you are based without a dedicated development board practiced hand. Your Android phone is also capable of developing most C applications. Compile C after installing the compiler. This article only writes a Hello world execution process. The advantage is : No Eclipse, no need for Android Source code, no need to android.mk. The NDK is not required . A C Program Ape will be able to use