Learn Android<toast toast tip components from scratch. 20 .>

in the system, the user's actions can be prompted through a dialog, but there is another set of more friendly hints on the Android platform, and this interface will not interrupt the user's normal operation when prompting the user, this dialog can be implemented by the toast component. A toast is a component that takes a simple cue message as the primary display operation, and the inheritance structure of Android.widget.Toast in Android is as follows:Java.lang.Object   ? android.widget.Toast Common methods:

No.	Methods and Constants	Type	Describe
1	public static final int Length_long	Constant	Long display time
2	public static final int Length_short	Constant	Short display time
3	Public Toast (Context context)	Ordinary	To create a Toast object
4	public static Toast Maketext (context context, int resId, int duration)	Ordinary	Creates a Toast object and specifies the ID of the display text resource, and the time the information is displayed
5	public static Toast Maketext (context context, charsequence text, int duration)	Ordinary	Creates a Toast object and specifies that the display text resource, and the display time of the information
6	public void Show ()	Ordinary	Display information
7	public void setduration (int duration)	Ordinary	Set the displayed time
8	public void Setview (view view)	Ordinary	Set the view component to be displayed
9	public void SetText (int resId)	Ordinary	Set the displayed text resource ID
10	public void SetText (Charsequence s)	Ordinary	Set the text to display directly
11	public void setgravity (int gravity, int xoffset, int yoffset)	Ordinary	To set the alignment of a component
12	Public View GetView ()	Ordinary	Get the internal included view component
13	public int Getxoffset ()	Ordinary	Returns the x-coordinate position of the component
14	public int Getyoffset ()	Ordinary	Returns the y-coordinate position of the component
15	public void Cancel ()	Ordinary	Cancel Display

XML file Configuration

<span style= "FONT-SIZE:14PX;" ><?xml version= "1.0" encoding= "UTF-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/ Res/android "    android:id=" @+id/toast_layout_root "    android:layout_width=" fill_parent "    android:layout _height= "Fill_parent"    android:background= "#DAAA"    android:orientation= "Horizontal"    android:padding= "10DP" >    <imageview        android:id= "@+id/image"        android:layout_width= "Wrap_content"        android: layout_height= "Fill_parent"        android:layout_marginright= "10DP"        android:src= "@drawable/kill"         / >    <textview        android:id= "@+id/text"        android:layout_width= "Wrap_content"        android: layout_height= "Fill_parent"      android:text= "Custom Hints"       /></linearlayout></span>

Java file Configuration

<span style= "FONT-SIZE:14PX;" >package com.example.toast;import android.app.activity;import Android.os.bundle;import android.view.Gravity; Import Android.view.layoutinflater;import Android.view.view;import Android.widget.button;import Android.widget.toast;public class Mainactivity extends Activity {private Button button1, Button2; @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_ Main); button1 = (Button) This.findviewbyid (r.id.button1); button2 = (Button) This.findviewbyid (R.id.button2); Button1.setonclicklistener (New View.onclicklistener () {@Overridepublic void OnClick (View arg0) {//TODO auto-generated Method stub//original Hint Toast.maketext (mainactivity.this, "Custom Prompt Box", Toast.length_short). Show ();}); /For button Set Click event Button2.setonclicklistener (New View.onclicklistener () {@Overridepublic void OnClick (View arg0) {//TODO Auto-generated method Stubview view = Layoutinflater.from (Mainactivity.this). Inflate (r.layout. LinearLayout, null);//Convert layout layout to view object toast toast = new Toast (mainactivity.this);//create Toast Prompt toast.setgravity ( Gravity.center, 0, 0);//Set the location of the toast hint toast.setview (view);//Add the layout to the Toast Component toast.show ();//Show Prompt});}} </span>

Original hint effect:
Custom Toast Display


Toast component is relatively simple mainly in order to user's operation friendly hints, in the development of more commonly used to, I hope you must master
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