Mobile Develop

1. Click on the event to achieve several ways　　 Button Btn1 = (button) Findviewbyid (R.id.button1); // Get button Resource Btn1.setonclicklistener (new Button.onclicklistener () {//Create a listener for this button , Create an

Application application, like Activity,service, is a system component of the Android framework, and the Android system creates an object of the application class for each program runtime and creates only one, So application can be said to be a class

In the push, often in the appdelegate inside received the message, jump is very troublesome, here is a simple way to jumpFirst, get the current stay of the VC-(Uiviewcontroller *) TOPVC: (Uiviewcontroller *) rootviewcontroller{if([Rootviewcontroller

First, the project shows the following results:Project Source code:Http://yunpan.cn/cZVWIieuFyK9I Access Password 2EACSecond, using the Aggregation Data SDK:(1) I am using the aggregate data on the weather forecast query, address: http://www.juhe.cn/

First, get the package nameWhen you open the UI Automator Viewer window and get the device screenshot content, a package name will appear in each element detail. Such as:Ii. access to activityThis is mainly obtained using the Anti-compilation tool.1.

1. The company does a QR Code barcode scanning project, encountered a QR code scan is very good recognition, bar code scanning a little slowWorkaround: Device magnification focal length (perfect solution) // acquisition of camera equipment

Com.android.ide.common.process.ProcessException:org.gradle.process.internal.ExecException:Process ' Command '/ Library/java/javavirtualmachines/jdk1.7.0_79.jdk/contents/home/bin/java ' finished with Non-zero exit value 2Solve:Added in

When writing an Android application, you will often encounter a need to exit the current acitivity, or exit the application directly. My previous general operation is to press the back key, or directly press the home key directly to return, in fact,

Yarn provides a web interface to see applications historical data, yarn Web UI list data:This part of the data presentation is the front page, meaning, for example, 2w of historical data, will be loaded all at once, the first very slow, follow-up

-(void) getSize2 {// picture cache nsuinteger size = [sdimagecache sharedimagecache]. GetSize; //NSLog (@ "%zd%@", Size, nstemporarydirectory ());nsfilemanager *manager = [nsfilemanager defaultmanager]; // folder nsstring *caches =

The font for the status bar is black: uistatusbarstyledefault The font for the status bar is white: uistatusbarstylelightcontent I. How to set the styleIOS6--IOS9:[OBJC]View PlainCopy  [[UIApplication sharedapplication]

You need to inherit UITableViewCell when customizing the cell.Example: Zlschoollisttablecell inheritance UITableViewCellZLSchoolListTableCell.h file#import @class SchoolModel (model);@interface Zlschoollisttablecell:uitableviewcell+ (Instancetype)

We still have two animations left, but they are bigger and need some thinking. We need to rotate the top line 45 degrees clockwise (so the right side is tilted downward), then we need the bottom line to rotate counterclockwise by 45 degrees (so the

Storing data in the Sharedpreferences1, define the Sharedpreferences object, through the Getsharedpreferences method to getSharedpreferences sp = getsharedpreferences (file name, mode);//mode is usually mode_private2. Get editor editor for the

Six: Get another control and implement a jumpuistoryboard* Mainstoryboard = [Uistoryboard storyboardwithname:@ "Mainstoryboard" bundle:nil]; Uiviewcontroller *registerviewcontroller = [Mainstoryboard instantiateviewcontrollerwithidentifier:@]

Using Gradle to compile the C + + code Step Declaration NDK tool class, internally defined native methodCom.coca.firstdemo;/*** Created by Administrator on 2016/6/6.*/jnishareutils { Getlogcount (String params) ;}Navigate to the project's app

call and apply are basically a difference in the meaning that the second argument to the arguments can be any type, and the second argument to apply must be an array or a single-byte.Call Method:Syntax: Call (Thisobj,object)Definition: Invokes one

Objective:One to the company reported at that time, then embarked on an independent to complete a project, of which the bitterness of tears is also outsiders. This is a new kind of app, still independent development, but the mood and ideas are

Using IntelliJ idea to develop Android, about Gradle and Android Gradle plugin easy to confuse places, make the following record:A. build.gradle file has two places, one is the whole project, one is in the app module, this good understanding, is the

In an ARC environment, a third-party framework is used, but the framework is MRC (non-ARC), what do you do? Use Xcode to convert the MRC project to arc, but the success rate is very low (Menu-edit-refactor-conver to Object c ARC ... ）