Mobile Develop

(1) First we write a simple Alertdialog dialog box, to create a alertdialog, you need to use the Create () method in Alertdialog.builder, and then create a dialog box to set the properties of the dialog box, such as setting the title, icon, Content

animation simulation & Lt;script src= "Jq.js" > hello The effect of visual difference in imitation millet

The app often downloads something, which involves a progress dialog, which you can learn today.First, put two buttons in the layout, click one to show the bar progress bar, and the other to show the circular progress bar. The code is as follows:1

In multi-threading, a singleton implementation also takes into account thread safety issues.1. Through the GCD dispatch_once to achieve:@property (nonatomic, strong) NSString *str;-(NSString *) str {static dispatch_once_t oncetoken;dispatch_once

The picture shows when the total sense of the right angle of the picture is not good to see? That's a good idea! ~ ~ Public classToroundcornerextendsactivity{ PublicBitmap Toroundcorner (Bitmap Bitmap,intpixels) {Bitmap Output=Bitmap.createbitmap

Today by Liu Guobin Teacher, the class first review the main content of these days of study: variables:data type: int float double long Long char shortthe naming convention for declaring assignment variables (only letters and underscores, not

Today is the practice day, after the formal start of the week to Saturday Tuesday are practice days, there is no corresponding rest day, so that the main arrangement is to allow you to timely review the content of the study, will not accumulate more,

This morning, the polymorphic, multi-state is mainly about a property: The parent class object can be initialized with subclasses, and the object declared by the subclass cannot be initialized with the parent class, for example: the person is the

Today, we talked about page jumps and forward and backward calls: Skip to next page:    [self  Presentviewcontroller:v animated:yes  completion:nil]; Back to previous page: [Self dismissviewcontrolleranimated:yes completion:nil"; The life

This morning the main content of the class is the morning to leave the homework to explain, I also understand the teacher's programming skills, and I did a lot of differences before, the teacher's handling more concise.Afternoon teacher again let do

This morning most of the time to review the contents of the study since the beginning of the school and explain yesterday's homework, yesterday's work in the realization of different Zomb scored different this function when the teacher skillfully

Everyone in the verification code when the general will use the countdown, basically everyone to achieve the same way, first put some code to.-(void) starttime{__block int timeout= 59; Countdown timedispatch_queue_t queue = Dispatch_get_global_queue

CardView is android5.0 New added features , we first don't worry, because Google out of the CardView Compatibility Pack, That is Android.support.v7.widget.CardView package, so the system under 5.0 can also run this effect. What is CardView? is to

First, the idea of realization: With Uiscrollview implementation, add 3 Uiimageview on ScrollView, respectively, to display the previous picture, the currently displayed picture, the next picture. ScrollView always displays the current picture

1 #import "ViewController.h"2 3 @interfaceViewcontroller ()4 {5UILabel *lable;6 BOOL Moveflag;7 nsinteger length;8UIButton *btn;9Nstimer *timer;Ten } One A @end - - @implementationViewcontroller the -- (void) Viewdidload { - [Super Viewdidload]; -

Import *.jar PackageCreate a new Android project, add a third-party already packaged jar file into your project, the following has added a odata4j packageAdd a libs file to your projectAdd your downloaded jar file to the Libs folder directly via

iOS Loading audio filesNeed to import #import 1NSString *path = [[NSBundle mainbundle] Pathforresource:@"Rouge Tears"OfType:@"mp3"];//convert audio files to URL format2 3Nsurl *urlstr =[Nsurl Fileurlwithpath:path]; 4Avaudioplayer * Audioplayer

Public classMainactivityextendsActivity {PrivateWindowManager Mwindowmanager; PrivateWindowmanager.layoutparams mlayout; PrivateDesktoplayout mdesktoplayout; Private LongStartTime; //declaring the width height of the screen floatx, y; inttop;

The first step: Declaration protocol in RootView.h, @protocol protocol name method @end @protocol rootviewdelegate < ; nsobject>-(void) Presenttoviewcontroller; @endStep Two:Declares that the agent is in RootView.h//Must be assign, in order to

I. Basic concepts of Content Provider1. ContentProvider provides a unified interface for storing and acquiring data. The contentprovide encapsulates the data. Don't care about the details of the data store. Use the form of tables to organize your