big screen android tablet

onCreate. Of course, to give the user a good experience, there will be a ProgressDialog. When the data load is complete, ProgressDialog disappears and data is set. Here, if the screen is rotated after the asynchronous data is loaded, it will not be difficult to use the methods a and B, but it is nothing more than to save and restore the data. However, if a thread is being loaded and rotated, the following problems may occur: A) At this time, the data

screen orientation and actual rotationAndroid.permission.SET_PREFERRED_APPLICATIONS.Allows a program to modify list parameters packagemanager.addpackagetopreferred () and packagemanager.removepackagefrompreferred () methodsAndroid.permission.SET_PROCESS_FOREGROUND.Allow the program to run the program now to force the foregroundAndroid.permission.SET_PROCESS_LIMIT.Allow maximum number of running processes to be setAndroid.permission.SET_TIME_ZONE.Allo

Reprint Please specify source: http://blog.csdn.net/my_truelove/article/details/66584865Visit ruicb.com, one click to reach my blog! Scan the left or the bottom right QR code, follow my public number, timely access to the latest article push! Conceptual Literacy inchpx and DPI 1 inch of screen size 2 px of screen resolution DPI of 3 pixel density Fragmentation of di

undoubtedly possible, but it is not universal... The following is an example: Let's first implement the process of setting the height of the ImageView to make the image display a normal proportion in this specific simulator: The actual pixel size of the above image is: 828*314, the ratio of width to height is about 2.43, and the size of the simulator we use here is 480*800 (unit: px, that is, pixels), that is to say, the width of the pixel is 480, so we need to set the height of this ImageVie

The principle of computer graphics representation Loading a large image appears oom Zoom load a large picture resource Create a copy of the original Common APIs for graphics processing The beauty 美图秀秀 of the Fool edition Drawing version The principle of computer graphics representationThe first thing to make clear is that there is a very big difference in the amount of memory required for a picture to be stored in memory a

--std=gnu99 -Wall -DWITHOUT_USB linmctool-20110304.c -o linmctool Because my Bluetooth has already been paired successfully, the-DWITHOUT_USB parameter is included to reduce the possibility of compilation errors. However, there are still a bunch of errors, and various. H files do not match. You can find it on the Internet to compile it successfully. Compiled. Please try pushing it to your big eyes. adb push linmctool /data/local/tmpadb shell chmod 7

layout Layout features: Positioning the component in the way of the axis, the upper left corner is (0,0) point, to the right x axis increment, down the y axis increment, the component positioning property is android:layout_x and android:layout_y to determine the coordinates. Application scenario: Accurate positioning of spatial locations The layout is outdated due to the large differences in screen size and resolution of the

it can be scaled according to the user's font size preference. Android drawable We should be able to see very many drawable directories after we create a new Android project. correspond to different DPI drawable-ldpi (dpi=120, density=0.75) drawable-mdpi (dpi=160, density =1) drawable-hdpi (dpi=240, density=1.5) drawable-xhdpi (dpi=320, density=2) drawable-xxhdpi (dpi=480, density=3) Some of the

resolution. 2, consider the horizontal screen and vertical screen layout effect: Android has Layout-port and layout-land two directories placed vertical screen and horizontal screen of two layout files, the mobile phone screen

android-gridview-zoom-images-animation-tutorial, which actually realized the QQ space thumbnail image amplification and restore animation effects. Looked under, also need to Android3.0 above talent realization, realize principle and official online that demo nearly identical. On GitHub stroll down, found a very good photoview, the two are basically QQ friends dynamic inside to achieve the special effects. The following are:Thumbnail interface, click

Android basic notes (15th)-graphic, big picture OOM, usage and exercises of painting tools, androidoom Principle of computer graphics Representation OOM is displayed when a large image is loaded. Scale and load large image resources Create a copy of the source Image Common graph processing APIs Mito xiuxiu for Dummies Painting version Principle of computer graphics Representation The first thing

add a lot of work not to say, but also will make your APK package is very big. So is there any good way to ensure that the screen is adaptable, but also to minimize the use of design resources, and preferably only a set of DPI image resources? Here's how to summarize the project.First of all, it must be clear that an automatic rendering concept, the Android SDK

screen, pull loading many other time. Loading's footerview will stick to the last item below, not at the bottom of the screen. Individuals are less likely to like this unfriendly way of interacting.Because of the knowledge points involved is a bit miscellaneous, a lot of knowledge is not to go to the blog in detail, here is the main introduction of the Android p

stupid method, for art or design to add a lot of work not to say, but also will make your APK package is very big. So is there any good way to ensure that the screen is adaptable, but also to minimize the use of design resources, and preferably only a set of DPI image resources? Here's how to summarize the project.First of all, it must be clear that an automatic rendering concept, the

In practice, sometimes we need to load a large picture into memory from the SD card, but if your phone storage is very small, if you put this big picture directly into the content will cause the allocation failure and other abnormal problems. So we need a way to load the big picture into memory without the exception.How can I load a large picture into memory without a memory overflow?The

Android screen adaptation solution, android adaptation 1. Let's talk about how to do it first. I will explain it later: 2. Now let's explain why we should put these three sets: These three sets are actually based on the content. Why can these two sets be adapted to mainstream resolutions? So we can use two types of dimens. Why should we use three sets? W

item dissatisfaction screen, pull up load more, Loading's footerview will cling to the last item, rather than at the bottom of the screen, and the individual doesn't like this unfriendly interaction. because of the knowledge points involved a bit miscellaneous, a lot of knowledge points can not go to the blog, the main introduction is Android Drop-down refres

The screen sizes of Android devices are various, but they can be divided into two major parts during design: versions earlier than 3.0 and Versions later than 3.0. What problems will this cause? Let's use three assumptions to explain.1. Assume that you have two 4 inch devices on your hand. The resolution of device A is 800 × 480, and that of Device B is 1600 × 960. You have designed A 64*64 pixel icon on de

This article is not about the form to guide the screen, how to define the information, there are some considerations of the introduction. This article describes how the guide screen can be better suited to a variety of resolutions, understand that this will help to better define the guide screen, and maintain good communication with designers and engineers. As

A few days ago, I received a request from the customer to create an Android mobile phone and screen saver on the Panel. In fact, it is quite strange that screen saver is used for computers, but when the phone is not used, is it OK to turn off the screen? It is said that the current smart phone battery is not durable an