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-click it and delete it, But Android Studio has a more user-friendly experience. For example, when I want to delete a layout file: Click delete to delete the file. The following page is displayed: , If you hook the red box and click OK, the software will prompt you where the file is used: It shows that this file is used in one place. Click "View usages" to View the details: If you want to delete it, click the arrow in it. What should you do? Is th

Android 4.4 KitKat icationmanagmanagerservice usage and Principle Analysis (2) _ Principle AnalysisPre-article: Android 4.4 KitKat NotificationManagerService usage and Principle Analysis (1) _ detailed usage Overview In the previous article "Android 4.4 KitKat NotificationManagerService usage and Principle Analysis (1)

();// Change to trueReturn true;}});}/** Set the Menu Method */Private void getMenu (Menu menu, String str ){Menu. add (1, 1, 1, str + "1 ");Menu. add (1, 2, 2, str + "2 ");Menu. add (1, 3, 3, str + "3 ");// Declare sub-menuSubMenu mSubMenu1 = menu. addSubMenu (str + "file ");MSubMenu1.add (10, 5, 4, str + "new ");MSu

QtAndroid details (5): JNI calls Android system functions (2), qtandroidjni In "QtAndroid details (4): JNI calls Android system functions (1)", we provide some simple examples, demonstrate how to use the Qt JNI class library to access the network status, system resource directory, and current application information. T

updates, the android client sends a notification indicating whether the browsing user is updated. when processing the update, I use the User-Defined Function, for example, you can customize the methods to accept File Updates: the default method is to automatically update after 1 minute, you can set the prompt to directly update without prompting, and the prompt to update is displayed in the pop-up dialog box, or, after receiving the prompt, you will

Source code analysis of View rendering mechanism in Android 2 This article goes on to the content of the previous article to continue to discuss the Drawing Mechanism of the View. In the previous article, we mainly explained the measure process of the View. Today we will learn the measure process of the ViewGroup, viewGroup is just an abstract class, so we need to analyze the measure process with a specifi

Http://35java.com/zhibo/forum.php? MoD = viewthread tid = 388 extra = Page % 3d1 InAndroidThe reference to resources in development is very important.AndroidThe good and bad engineering structure. In fact, we can see the relationship between the resource files of the engineering structure. I personally think that learning is good.AndroidResource files are a very important part. Here we talk about some basic-level knowledge points, so you can read them with patience. 1,Three resource file for

Use of the Picasso framework for obtaining and Displaying Remote images in Android (2 ), Reprinted please indicate the source: mingsang Android I introduced the basic usage of Picasso in the previous article. This article serves as the above exercise; Github address: UsePicasso Implementation results: (Please be patient with animations) Required knowledge

mainly study how to create sservicemanager objects. The following code creates an iservicemanager object: 1: sServiceManager = ServiceManagerNative.asInterface(BinderInternal.getContextObject()); First, let's look at the code of the getcontextobject method of the binderinternal class and find that it is the native generation.Code (haha! At the C/C ++ level, we are familiar with it.) The corresponding code is in android_util_binder.cpp.Android_ OS _binderinternal_getcontextobject function, th

Android dependency injection: Dagger 2 example (1), androiddagger This article is original, reproduced please indicate the source: http://blog.csdn.net/zjbpku Dagger has been introduced in previous blog posts (Android dependency injection: Dagger instance introduction (Demo download). In this article, Dagger 2 is mainl

SecondaryActivity. java, ThirdActivity. java, so that it inherits from Activity; (4) in the AndroidManifest project. add xmlAnd add Related information Blogger NOTE 2: in fact, the Action and Category attributes are used together in the development of applications with intentions. Because the Android system will give the active Activity a default

Original article: http://blog.sina.com.cn/s/blog_4a0a39c30100ax1v.html For Android native (natvie) C development any questions, please refer to the android native (native) C development one: Environment Building article: http://blog.sina.com.cn/s/blog_4a0a39c30100auh9.html Although the program can be compiled through the cross environment and pushed to Android

Designer must know: The relationship between PT SP DP and the conversion formula3, the Android interface design to adapt to different screen size and density interpretationThe current resolution of the mainstream Android phone has the following 3 kinds:HDPI, corresponding to 800*480 's mobile phone. Mainstream models, many. such as Xiaomi 1, 1s samsung HTC etc.XDPI, corresponding to 1280*720 's mobile phon

(interprocess communication)The Mechanism is similar to that of COM or CORBA,Is based on the interface, but it is lightweight. It uses the proxy class to pass values between the client and the implementation layer. To use aidl, you need to do two things: 1. Introduce related classes of aidl. 2. Call the class generated by aidl. Create an aidl ServiceIt is more complex than building a common service,The procedure is as follows::(1) createFiles with t

used for fun.RecyclerView does not need to be modified, andItemDecoration is optional.Adpter andViewHolder. Display a RecyclerView1.Prepare your project add to your dependenceies: RecyclerView: compile 'com. android. support: recyclerview-v7: 22.2.1' CardView: compile 'com. android. support: cardview-v7: 22.2.1' 2. The bass item is a simple list. Each items cont

Add fragement After learning about fragement's life cycle and other simple knowledge, I went to the official documentation to learn more about fragement. To add fragement to our UI, I provided two common methods, the first is to use the [HTML] view plainCopy Xmlns: Tools = "http://schemas.android.com/tools"Android: layout_width = "match_parent"Android: layout_height = "match_parent"Tools: context = ". main

If you have any questions about Android native (natvie) C development, see http://emck.avaw.com /? P = 205 Although the program can be compiled through the cross environment and pushed to Android for execution, it is only a console program. Is it monotonous? Next, let's take a look at how to use the framebuffer Technology in Linux to draw images on Android. Here

Multiple Screens. Attributes: android:resizeable Indicates whether the application is resizeable for different screen sizes. This attribute istrue, by default. If set false, the system will run your application in screen compatibility mode on largescreens. This attribute is deprecated. It was introduced to help applicationstransition from Android 1.5 to 1.6, when support for multiple screens was first introduced

stop the Service; The service's Onbind () provides the default implementation, returns NULL, provides a default implementation for the service's Onstartcommand, and adds the request Intent to the queue;5, talk about Activity, Intent, Service is what relationshipThey are all the most frequently used classes in Android development. Activity and Service are among the four components of Android. Both of them a

Android Network Programming (2) HttpClient and HttpURLConnectionPreface In the previous article, we learned about the principles of the HTTP protocol. In this article, we will talk about HttpClient of Apache and HttpURLConnection of Java. These two types are commonly used in the request network. Both our encapsulated network request classes and third-party network request frameworks cannot be separated from