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In the development, often encounter this situation, open an activity, the first text box automatically get focus, and will pop up the soft keyboard input box, which greatly affect the user experience, now look at the solution.Let's see why this is the case, the reason is very simple, the text box will be the focus of the default, after the focus will continue to pop up the input box, waiting for input, for this reason, we can have the following two scenarios:1, do not let the text box to get foc

Piglet's Android starter Road Day 3-part 2Learning Part 2 for various UI componentsIntroduction to this section:In Part 1 we learned TextView (text box), EditText (edit box), button (buttons), ImageButton (image button);RadioButton (radio button), CheckBox (check box), ToggleButton (switch button), switch (switch), and ImageView use!In Part

Android github XListView analysis (2-3), githubxlistviewContent Overview XListView UML diagram Download github XListView Overview We often see the "pull more" and "pull up and load" Effects of listview in the app. As shown in the following figure: Figure 1 Common headers and Footer (Left: three States on the top; Right: three States on the bottom) Obviou

in the election. After confirming the collocation scheme, you can also download the color scheme to the local, which makes it easy to use the palette to import the interface design software directly.This article is part of a series of documents from design to implementation-hands-on Android app development. Thank you for your reading and feedback, any comments and suggestions for this article, please leave a message, I will try to reply.If you think

/>.However, the project has actually added the V4 package under the Libs folder, causing the conflict, so the above exception occurred.Solution: Just block compile ' com.android.support:cardview-v7:21.+ ' this sentence. Recompile to pass.2 "When error code=3:Colleagues say that as long as the Build.gradle file is added,dexoptions{javamaxheapsize "3g"}can be passed. But no concrete practice has been done.Thi

snippet of Launcher to demonstrate how to manually declare your permissions: Android: name = "com. android. launcher. permission. INSTALL_SHORT-CUT" Android: permissionGroup = "android. permission-group.SYSTEM_TOOLS"

[Android] Chapter 2 (2)-common public attributes of layout controls, Chapter 2 of android Category: C #, Android, VS2015; Created on:I. Introduction The layout controls in Android appli

line thread.2) Handler: You can construct a Handler object to communicate with Looper in order to push a new message into the MessageQueue, or to receive a message sent by Looper from MessageQueue.3) Message queue (Message Queuing): Used to hold messages placed by the thread.4) Thread: The UI thread is usually the main thread, and the Android

Android UI highlights-1. Android Drawable Classification summary (3/3), 1. androiddrawable Android UI collection-1. Android Drawable Classification summary (3/

Attack Android injection "3", attack android "3"I continue to detail the technical solution for Injection through ptrace in "II". In this chapter, I will introduce a unique Injection Technology on Android, named -- Component Injection. As the name suggests, this method is re

creates a new demoactivity class that inherits the activity. Java is a fully object-oriented language, and everything should be encapsulated in the class. Friends who are not familiar with the object-oriented language are probably not used to it (I used PHP for web development before, write implementation wherever possible ...). The demoactivity class inherits the features of the activity and belongs to an "activity" (as mentioned earlier, activity is a basic component in

Next part ~ Now we have an interesting call. Here is an example called mr. Nom: Android: Label = "mr. Nom"Android: screenorientation = "portrait">Android: configchanges = "keyboard | keyboardhidden | orientation"> Let's take a look at the attributes of the 1. Name: it specifies the name of the activity class relative to the package attribute defined in the

. Layer 3 (): attribute (Note: I will not elaborate on some repeated applications) 1. android: alwaysRetainTaskState Whether to keep the status unchanged. For example, if you switch back to home and open the activity again, the activity is in the final state. For example, if a browser has many statuses (when multiple tabs are opened) and you do not want to l

Android custom controls Series 3: Custom switch buttons (3) --- custom properties, android controls Respect Original, reprinted please indicate the source: http://blog.csdn.net/cyp331203/article/details/40855377 Before receiving:Android custom control series 2: Custom switc

WQVGA400 (240x400) WQVGA432 (240x432) HVGA (320x480) WVGA800 (480x800) WVGA854 (480x854) Large screen WVGA800 * (480x800) WVGA854 * (480x854) Table 1 3.3 mobile phone size distribution (http://developer.android.com/resources/dashboard/screens.html) 3 shows, the current is mainly to the resolution of 800*480 and 854*480 mobile phone users mostly Figure 3 From the above s

Android configuration file (3) ---- root node of the application 1. Generally, when an Android application is generated, the default AndroidManifest. xml file contains some default Android: backupAgent = "string" Android: debuggable = ["true" | "false"];

Android development interview post-3. common Android advanced pen questions, android advanced Follow finddreams blog: http://blog.csdn.net/finddreams/article/details/44301359In the previous article, we have learned some basic questions about the Android test.

My android learning experience 3 and android learning experience 3 Activity Layout There are five main la s: 1. LinearLayout (linear layout) You can use the orientation attribute to set whether the linear layout is horizontal or vertical. 2. TableLayout (table layout)

resolutions. Android supports both XML drawables and 9-patch graphics files. XML drawables are used to describe shapes (color, border, gradient), State, and transitions. 9-The patch graphic file is used to expand the entire image. For example, if a file acts as the background image of the button, the background image will also become larger when the button becomes large, then the image will naturally become blurred, and 9-patch can define a region fo

Ping An Technology Mobile Development Team 2 Technical weekly (Phase 3), Team 2 weeklyPing An Technology Mobile Development Team 2 Technical weekly (Phase 3) industry news 1) reply to AFNetworking security bug AFNetworking code maintainers respond to incorrect and misleading