1. Preface
View of the Level Signal status is very common in the current Android system. For example, the icon of the battery status in the upper-right corner of the mobile phone is very classic and has several statuses, when there is no power available, some will flash and prompt the user to charge. There are some GPS signal strength prompts for map apps and Wif
Progress bar of Android-android learning journey)ProgressBar Introduction
ProgressBar is a common Ui used to display the progress of complex operations and provide better user response. Use setProgress () incrementProgressBy () to set the progress and display progress to increase or decrease. A positive value indicates an increase, and a negative value indicates
Android learning route (8) Add Action button for action bar, androidaction
The Action bar allows you to add an action button for the most important action items related to the current application context. The icons or text directly displayed on the action bar are calledActio
I. Preface
Go straight to the topic. Many Android apps have a menu bar. Apart from the background images and icons, the layout of the menu bar is basically the same. It can be roughly divided into three parts: the Left area of the menu bar, the middle area of the menu
The Android notification bar is what we almost have to use in the app, and the custom notification bar gives us a lot of extensibility, but when we use the custom notification bar, we often encounter incompatibilities such as custom notification bar and system color, font, e
layoutbuilder.statusbardrawable = r.drawable.notification_icon;//Specifies the top level status bar small icon builder2.layouticondrawable = r.drawable.notification_icon;// Specifies the notification icon that appears when the drop-down status bar is Jpushinterface.setpushnotificationbuilder (1, builder1);there is a m
First, through the Java code
To execute before Setcontentview:
Requestwindowfeature (window.feature_no_title);//Hide title bar
GetWindow (). SetFlags (WindowManager.LayoutParams.FLAG _fullscreen,windowmanager.layoutparams.flag_fullscreen);//Hide Status bar
Second, call the Android theme
Add directly to t
the blue tone of the group.Therefore, it is often difficult for programmers to apply new technology to the program. If you want to learn new technology and application, you can only write a small demo, if you are very lazy, that probably so far, have not written material design style of the program it! I would think this is a pity, because this way, you will become less than the evolution of Android, Many API changes will take you by surprise. In fac
Android ActionBar action bar
ActionBar action bar
I. ActionBar: (action bar)
(1) Introduction: (Extended TitleBar)
Action bar is a navigation control that replaces the title bar at the top of a traditional screen. ActionBar is a c
I. Overview
The default title bar for each application (note the difference from the status bar) is only one line of text (the name of the new project), and color, size, etc. are fixed, giving the feeling of a more monotonous. But when it comes to landscaping, changing the title bar is one of those things, and althoug
columns into independent operation items to ensure that there is a suitable space on the narrow screen device to display all the operation items, while leaving the navigation bar and the title element at the top.
To enable the split operation bar, simply add the uioptions = "splitactionbarwhennarrow" attribute to the
Note that android will adjust the appearance
Notification is a message that is displayed outside of your app's general interface. When the app sends a message to the system, the message is first displayed as a chart in the notification bar. To view the details of the message, you need to go to the notification drawer (notificationdrawer). The notification bar and notification drawer (Notificationdrawer) are controlled at the system level and can be vi
Best practices for managing multiple Fragment in Android to perfectly solve the problem of saving status and shadowSince Fragment was introduced in Android 3.0, it has been used more frequently. The benefits brought by Fragment are self-evident, solving the dynamic and flexible uidesign of different screen resolutions. However, in the Activity management of multi
ArticleDirectory
In the layout file
In activity, homeaction is in the leftmost bar, while normal action is in the rightmost bar.
Custom Action
Title Click Event
Customization
Want to contribute?
ThisProjectDesigned to provideReusableAction bar. For more information about the action bar
Notification is a message that is displayed outside of your application's regular interface. When the app lets the system send a message, the message is first displayed as a chart in the notification bar. To see the details of the message you need to go to the notification drawer (notificationdrawer) to view it. The notification and notification drawers (Notificationdrawer) are system-level controlled and you can view them at any time, not limited to
displayed; otherwise, it is not displayed. Stackoverflow has studied how to make more always show, interested can see: http://stackoverflow.com/questions/20444596/how-to-force-action-bar-overflow-icon-to-show
In addition, the above xml also specifies the button id and image and title attributes.
Then, you can rewriteonCreateOptionsMenu()To display these icons:
@Overridepublic boolean onCreateOptionsMenu(
In Android development, it is sometimes necessary to determine the current network connection status before making a network request. This article describes how to get the current network connection status of your Android device!Required permissions (added in the Androidmanifest.xml file):Java code (mainactivity.java f
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