Android official recommendation: How to Create a dialog box for DialogFragment1. Overview DialogFragment was introduced when android 3.0 was launched. Is a Special Fragment used to display a modal dialog box on the content of the Activity. It is typically used to display warning boxes, input boxes, confirmation boxes, and so on.Before DialogFragment is generated,
An Input Method Editor (IME) is a control that lets users enter text. Android provides an extensible framework for input methods that allow applications to provide users with additional input methods, such as soft keyboards or voice input. Once these input methods are installed, users can select the IME they want to use from the setup of the system, and this setting is valid for the entire system, and only one input method is available at a time.
To
1. Set the backgroundA. Create an anim folder in res and create the animation_list.xml file in this folder.[Html]Android: oneshot = "true">Android: drawable = "@ drawable/c1"Android: duration = "200"/>Android: drawable = "@ drawab
This example describes the Android Development Foundation's approach to creating the Startup Interface splash screen. Share to everyone for your reference. Specifically as follows:
Start Interface splash screen in the application is very common, often in the launch interface display product logo, company logo or developer information, if the application startup time is relatively long, then the start interface is a good thing, can let the user patien
Create a projectFirst, we'll start by pointing out two concepts in Android studio. Project and Module. In Android studio, the real meaning of project is the workspace, Module for a specific project.In eclipse, we can simultaneously edit multiple Eclipse project at the same time, these project in the same workspace. In Android
The example in this article describes how Android creates Optionsmenu. Share to everyone for your reference. The implementation methods are as follows:
First, with XML configuration
Create a new menu folder under the Res folder, create a new Options_menu.xml file under menu, and add code
1,
2, the Activity class to add code
public boolean On
First, create the project
File->new->android application fill in the application name, project name, package name in sequenceFind Src/com.example.helloworld Mainactivity.java under the engineering catalogue
Second, add code
Copy Code code as follows:
Package Com.example.helloworld;
Import android.app.Activity;Import android.content.Intent;Import Android.os.Bundle;Import Android.view.View;
Android shortcuts for creating desktopsOverview: Creating a desktop shortcut is equivalent to creating an entry for a program, just as our program automatically creates an icon to the desktop after the installation is complete. In fact, create a desktop shortcut is similar to creating a program entrance, but like QQ session to create a QQ friend session shortcut,
1. OverviewDialogfragment was introduced when Android was 3.0. is a special fragment for displaying a modal dialog box over the content of an activity. Typical for: Display warning boxes, input boxes, confirmation boxes, and so on.
Before dialogfragment, we create dialog boxes: generally using Alertdialog and dialog. Note: The official does not recommend to use dialog to
How to create a third-party database for Android software development and how to read a database from a file
Original by Yu Song MomoArticleIf you reprint it, please note: Reprinted to my independent domain name blogYusong Momo program Research Institute, Original address: http://www.xuanyusong.com/archives/199
I haven't updated my blog on the android
Custom Dialog Base versionMost of the time, when we use the Android SDK to provide the Alerdialog, will have different effect because of your system different, just like you brush is MIUI system, the pop-up box will display at the top! Here is a simple introduction to the application of the custom pop-up box.
First create the Layout file dialog:
Code:
Second,
After each Android application is started, a Splash startup interface is displayed, showing the product LOGO, company LOGO, or developer information. If the application starts for a long time, the startup interface is a good thing, so that users can wait for this boring time.
Create a Splash InterfaceHighlight the product LOGO, product name, and main features;Indicates the product version information;Indi
Sometimes if you want our application to create multiple shortcuts on the desktop, we can declare the corresponding activity in the Manifest.xml file.
Code such as, this is seen from the Pulltorefresh demo, because our general application installation is completed, will only generate a shortcut, but this application generated four, see manifest.xml only found this thing, record ①, may be useful.
Friends who want to help develop
Now a lot of apps are opened as a viewpager, then you can slide with your fingers, each slide once to change a picture, there will be a circle at the bottom to say that now slide to Chapter ~ Usually these pictures are to put the function of the introduction or use of teaching and so on, my demand is very simple, is mentioned above. There are two ways, one is to find an existing suite, look up a bunch of data each and I recommend viewpagerindicator this set, I have seen this set, but it seems
Create a projectFirst, we'll start by pointing out two concepts in Android studio. Project and Module. In Android studio, the real meaning of project is the workspace, Module for a specific project.In eclipse, we can simultaneously edit multiple Eclipse project at the same time, these project in the same workspace. In Android
Beijing Institute of Electronic TechnologyLab ReportCourse: Mobile Platform Application development Practice class: 201592 Name: Yang Fengxue No.: 20159213Score: ___________ Instructor: Lou Jia Peng Experimental Date: 2015.11.1Experiment Name: Create projects and emulators in Android studioExperimental content: 1. Create a project in
Tank teaches you how to make a simple Google map on AndroidProgram
Step 1: Apply for a Google key1. Find the Debug. keystore pathMyeclipseWindow --> preferences --> Android --> build --> default debug keystoreDefault debug keystore = "C: \ Documents ents and Settings \ Administrator \. Android \ Debug. keystore"CMD:Keytool-list-alias androiddebugkey-keystore "C: \ Documents and
Settings \ Administrat
, as shown in the figure:
View the database using the SQLite db Browser, as shown in the figure:
Third, extended class
3.1 Extended Sqliteopenhelper
Android does not automatically provide a database. Using SQLite in an Android application, you must create your own database, and then create tables, indexes, and
Android shortcuts are the most basic components on the desktop. It is used to directly start a component of an application.
In general, you can create a shortcut to change an application on the left side of the Launcher Application List by long-clicking the icon of an application. In addition, you can add shortcuts to the desktop in two ways:
1. Create an Intent
Learn about simulator debugging in AndroidProgramVery convenient, but it will be slow to start the simulation for the first time,
When a simulator is created in Elipse, the XP system is created in the C: \ document and setting \ User \ directory by default, and the path cannot be changed,
Now we use command to create a simulator and add the directory of the specified simulator. The command is as follows:
CMD:
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