android apps for dummies

Download and use of the Fiddler2 grab Bag tool2018-04-22 18:06:37 0 0 0 Fiddler is a very popular and useful HTTP capture tool, it is the principle of the computer to open an HTTP proxy server, and then it will forward all the HTTP requests and responses, so it is more than the general Firebug or Chrome comes with the capture tool to use more. Not only that, it can also support some advanced features such as request replay. It is obvious that it can support HTTP capture for mobile

Android apps typically start with a welcome interface, like QQHD boot. More generous and gorgeous. Echocardiography is not as good as action, there is time to achieve a similar effect, hehe. Observe that the welcome interface of QQHD is full screen, this is good to do. Here's how Android apps call Full-screen mode. T

resulting properties of these windows are shown in effect four. However, by -webkit-device-pixel-ratio adding some custom CSS with the media attribute, you can apply different styles. For example, the Web page shown in Figure 5 is a high-pixel image that is raised on a high-pixel device by setting the window properties and adding CSS.Targeting Device Density with JavaScriptAndroid browsing and WebView support a DOM property that allows querying the current device density-------window.devicepixe

fact, our smartphones are obviously not suitable for storing private personal data such as credit cards and stocks. The security of Android phones is truly worrying. According to a report from the Wall Street Journal about regular and extensive data sharing on smartphones. The Wall Street Journal respectively tested 101 Android and iOS apps.ProgramAnd games, no less than 56

According to the latest news, the number of Android apps has successfully surpassed Apple, and will be the first to break the 1 million mark. But in many many applications, but latent too many "uninvited guests". Because of the interests of the drive and the lack of relevant laws, criminals will be virus, Trojan inside the mobile phone app to spread, resulting in mobile phone crashes, personal information l

Using Android studio to develop Android apps, bring your own simulator to compare pits, so use the daily simulator, first download and install every day simulator, and then:First of all, to turn on the USB debugging, this many people know, but sometimes you can not find the developer options, do not worryDeveloper options How to: Set-on tablet (pull to see)-versi

Fiddler is a very popular and useful HTTP capture tool, it is the principle of the computer to open an HTTP proxy server, and then it will forward all the HTTP requests and responses, so it is more than the general Firebug or Chrome comes with the capture tool to use more. Not only that, it can also support some advanced features such as request replay. It is obvious that it can support HTTP capture for mobile apps. This article is to introduce how to

Recently in the study activity of the START process, Lao Luo's blog In the Look, also found other information study, also with Android4.3 source code,In the process of code, I suddenly thought of the following question:Why is Android activity thinning out oncreate, OnStart, Onresume, OnPause, OnStop, Ondesdroy so many ways to get apps to reload?On the internet too much according to the

Use Cases and implementation methods for Android apps that do not display icons on the desktop after installation, androidapp Recently, I am working on a IOV product for the company. because the company is good at the R D of Automotive decoder, therefore, in addition to the OBD Protocol widely used in IOV products on the market, the diagnostic function of this product also uses some dedicated vehicle proto

: intent), shortcut_name (value: string), and shortcut_icon (value: Bitmap) or combine (value: Your cuticonresource ). An intent represents a shortcut. This intent must contain three parameters: the intent type of the shortcut (the value is the intent type), the name of the shortcut (the value is a string type), and the shortcut icon (the type is a bitmap) or shortcut icon Resource (value: shortcut icon resource type ). // Build the intent for the chosen Activity // Set the intent of the shrorc

Original: http://www.xuebuyuan.com/1608083.htmlRecently in the study activity of the START process, Lao Luo's blog In the Look, also found other information study, also with Android4.3 source code,In the process of code, I suddenly thought of the following question:Why is Android activity thinning out oncreate, OnStart, Onresume, OnPause, OnStop, Ondesdroy so many ways to get apps to reload?On the internet

Android apps, consisting of one or more activity. Each activity is not closely related, because we can invoke other activity in our own program, especially the activity generated outside of our own code, For example, Android provides SMS or call activity. New Intent (Intent.action_call,uri.parse ("Tel:" +PhoneNumber); StartActivity (call); New

view) by using the menu key As mentioned above, background service is an interface-free, long-running application that is not easily terminated, even if you use Task Manager. (In fact, you can find it in the "service" interface and manually stop the service, but no such necessity, to the system automatically processing can be. When you do not use a task for a long time, the system will assume that you are no longer needed and will automatically help you end it. ) At this point, we already kno

If you want Google Play to do one of the most unsuccessful cases, then the best secret is the interface is extremely slow, power consumption, memory consumption. Then you get negative comments from the user, and then the reputation stinks. Even if your application is well designed and creative, it's useless. Every problem that affects product efficiency, such as power consumption or memory footprint, can affect the success of your app. That's why it's important to ensure that you're optimizing,