custom emoji android

One, Android Custom view Properties1. res/values/styles.xml declare a custom attribute in the file:Resources> Name is a declared "attribute collection" name, which can be arbitrarily taken, but preferably set to the same name as our view - declare-styleablename= "Circleview"> declare our property, name Default_size, value type is dimension type (DP,P

Android custom view and Custom Attributes This is the content in Android UI Fundamentals.Create a custom View To create a custom UI component, you must first inherit a View class.First, create a simple

Custom dialog, android custom dialog (1) You need to prepare the style of the custom dialog box, that is, a layout file. Layout file Image (2) Write a custom dialog class to load the preceding layout file. package com.example.zidingyidialog;import android.app.Dialog;imp

The title is a bit sloppy. In fact, you can write two blog posts respectively. That is to say, I can understand two aspects after reading this article: Custom Layout Toast Custom PopupWindow implement multi-function Toast First perceptual knowledge: 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/0646393921-0.gif "title =" Toast.gif "/> The trigger event is from The onClick of

Objective: The first two describes the basics of customizing controls Android Custom Controls Basic Principles (i), Android custom control custom properties (ii). Today we will focus on how to improve the reuse of the layout by customizing the composite controls, reducing d

();} /** * Refreshes the current state */protected void Flushstate () {if (currentstate) {slidebtn_left = Backgroundbitmap.getwidth ()-Slidebutton. GetWidth ();} else {slidebtn_left = 0;}}}Define it in the layout file:In this case, because there is no logic to write any clicks to trigger the business, just a simple control, so there is no more code in the mainactivity:Package Com.example.togglebutton;import Android.app.activity;import Android.os.bundle;public class MainActivity Extends Activity

Android custom control and android Control Today, let's take a look at the introduction of Android custom controls. In Android, xml is generally written using a single control. However, in some projects, A single control is someti

Android custom components (2) How to Implement custom components Introduction Android provides a powerful component model for building the UI. Two base classes: View and ViewGroup. The list of available widgets includes buttons, TextView, EditText, ListView, CheckBox, RadioButton, Gallery, and Spinner, as well as some

);//customactionbar.settitle ( Getresources (). GetText (R.string.hello_world)); Customactionbar.settitle (R.string.hello_world);} @Overridepublic void onactionbarokclicked () {//TODO auto-generated method stublog.i (TAG, "CLICK_OK");} @Overridepublic void onactionbarcancelclicked () {//TODO auto-generated method stublog.i (TAG, "Click_cancel"); Finish () ;}}Custom view summary for a composite control:1. Customize the combo control to get the control

For Android, the Common Dialog Box, single-choice dialog box, multi-choice dialog box, Icon-based dialog box, and custom Adapter and custom View dialog box are described in detail. The dialog box is an AlertDialog, but a simple AlertDialog, we can make a lot of things about it. Next we will summarize the usage of AlertDialog. Check whether all of your shoes use t

Android custom control 1 -- Introduction to custom control, android1 --Basic Introduction to Android controls Android provides many widgets, suchTextView and EditText;Button control Button and ImageButtonStatus switch button ToggleButtonRadio check buttons RadioButton and Ra

Android custom components (I) basic implementation methods and Custom AttributesImplementation Method: 1. inherit from ViewGroup or Layout and customize the position and size of the sub-view. It is used to combine some components to generate a composite component. 2. inherit your own widget View to extend the functions of existing components 3. inherit the

This example describes how Android implements custom notification bar icons without using custom layouts. Share to everyone for your reference, specific as follows: Customize the notification bar icon? It's not that simple. Custom layouts are a cinch! Yes, there are XML layout files Of course everything is very simpl

1 Implementation Effect2 example code explained 2.1 Attrs.xmlresources> declare-styleable name="Topbar"> attr name="title" format="string" /> attr name="titletextsize" format="Dimension" / > attr name="Titletextcolor" format="Color" /> attr name="Lefttextcolor" format="Color" /> attr name="Leftbackground" format="Reference|color" /> attr name="lefttext" format="string" /> attr name="Righttextcolor" format="Color" /> attr name="Rightbackg

Custom Dialog, android custom dialog Yes. When the first button is pressed, a custom Dialog is displayed. The second and third buttons are ProgressBar, but the style is changed. The first ProgressBar is in the clockwise direction and the second is in the clockwise direction. The main code is as follows: Package com. d

Obtainstyledattributes four parameter construction method for the Resources.theme class. second argument --assigning values to attributes in a layout XML file Before setting a custom attribute, we first call our custom View in the layout file of the main activity and set a specific property for it. The main layout file contents are as follows: Sample results: 05-28 17:19:56.542 23575-2357

Mybotton.java /*Defining Interfaces*/ Public Interfacemyclick{ Public voidOnmyclick (String str); } /*Initializing interface Variables*/Myclick Myclick=NULL; /*Custom Events*/ Public voidSetonmyclicklistener (Myclick myclick) { This. myclick=Myclick; } Mainactivity.javaXxx.setonmyclicklistener (Mybotton. Myclick () { @Override The abstract method in the public void Onmyclick (String str) {

) control points are: X of Point (i+1)-(X of Point (i+2)) * Smooth constant. The Y-value of the point (i+1) control points is similarly available.Let's go back to the animation section again, assuming you have an app with a button and a picture. After you click the button, the image will blur until it disappears (fade out). Then click the button picture in the Blur to full display (fade in). This can be achieved entirely using Alpha animation . But what happens if you click the button first to m

(Intent.getaction (). Equals ("Com.amy.day43_03_SurfaceViewMediaPlayer")) {Alertdialog.builder Builder = new Alertdialog.builder (context); Builder.seticon (R.drawable.ic_launcher). Settitle ("hint"). Setmessage ("video playback is complete, play"). Setnegativebutton ("Cancel", null). Setpositivebutton ("OK", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick (Dialoginterface dialog,int which) {mediaplayer.reset (); try {mediaplayer.setdatasource (FilePath); Mediaplayer.prepar

to slide the carousel, we can only turn the carousel when the finger is very level, and when the finger slips a little bit tilted, the touch event is found to be the ListView Given the response, it becomes a swipe up and down the ListView, and this experience is obviously not very good.If we want a simple implementation now: Maybe the entire application has a lot of pages, now want to in the current specific interface, so that when the finger in the range of the rotation graph, when the finger