Android

Android studio ERROR: Unable to open PNG file, androidunableERROR: Unable to open PNG file; Error Code: 42 I recently used android stuidio to build a gradle project and reported an error during running.Error Code 42;ERROR: Unable to open PNG

Fresco (various special effects)-rounded corners and fresco special effects rounded corners Set in xml // Set the degree of rounded corner fresco: roundedCornerRadius = "50dp" // set the bottom left corner not to be rounded. fresco:

Processing of bitmap image transparency in Android (taking tearing beautiful clothes as an example ), Principle: place two images with different effects in the same position, and change the transparency of the image. Layout file:

Analysis of music apps (for example, QQ music) and appqq the core function of QQ music is playing songs. First, you can use the AVFoundation framework to play audio. However, AVFoundation can only play local music and cannot play it online.

Use of Menu of UI control (1), uimenu[Android Development]: Use of Menu of UI control (1) in June April 15, 2013, the overall attention was 6876 characters. The font size was small, and the comment was closed. In the beginning, let's talk about how

Build your own Android Metro interface and Android metro Preface: Dear friends, it's time to update the article every week. It was originally sent out on Sunday. Isn't it a catch-up with the Tomb Sweeping Day? The Queen spoke and played with her two

PhoneGap plug-in development process and phonegap plug-in process I wrote a PhoneGap plug-in a few days ago. This plug-in provides a simple function, that is, to enable the viewport settings. However, compared with other plug-ins, there are several

When downloading files based on Android, update the simple help class of UI and androidui Due to this simple requirement during project development, Google also has many Utils tool classes on the Internet, but they are relatively redundant. I wrote

Android Metro-style Launcher development series 2, androidmetro Preface:Dear friends, please forgive me for writing this series of second blogs after so long, so I cannot publish new products. If you don't talk nonsense, let's review them first:

Reading address book learning notes and android learning notes in android 1. When reading the address book at a time, try to read as few attributes as possible, especially when the list is displayed, it will make the loading speed of your list

Google App common jar descriptions, googleappjar Summary 1. nineoldandroids-2.4.0.jar : Http://nineoldandroids.com/ Role: an animation set that supports rotation, scaling, movement, and gradient of an animation. 2. guava. jar :

Introduction to the image loading library Glide recommended by Google, and google loading library glide Introduction to Glide, Image Loader Library for Android, recommended by Google At the Google Developer Forum held in Thailand, Google introduced

OpenCV4Android SDK configuration on Win 8.1 platform, opencv4androidsdk This article mainly records the process of installing and configuring the OpenCV4Android SDK. My installation environment is: win8.1 64-bit. Of course, before developing opencv,

IOS _ long-pressed Save image, ios Save image Finally: Sample code snippet //// ViewController. m // long press, the menu controller is displayed to download the image /// Created by beyond on 15-3-26. // Copyright (c) 2015 beyond.com All rights

Android gets the mobile phone IMSI number 1. What is imsi? The IMSI (International Mobile SubscriberIdentification Number) identifies different Mobile users. It is stored in SIM cards and can be used to distinguish valid information of Mobile users.

Android drawable folder usage I have been learning to understand a simple game since I started school. After writing the code, it is found that some images on the main interface are much larger than normal. I thought it was a code error. I checked

Comparison of software versions -- Comparison of Java Algorithm Implementation software versions, and comparison of java software versions Recently, I encountered a small problem in development. The software version is compared: for example, 2.12.3

Helper2416 Development Board compiler compile helloworld run by Xiaomi box (android)Generally, the program is developed mainly for the helper2416 Development Board. The chip is Samsung's 2416, which belongs to ARM9. the cross compiler is a

Key lock screen of one Android Program (1) The layout file activity_main.xml is as follows: (2) MainActivity. java Package com. xuliugen. lockscreen; import com. itheima. lockscreen. r; import android. app. activity; import android.

Linq learning summary 1-refer to the detailed description of Linq technology, 1-linqKey points:1. The set of linq operations must implement the IEnumerable interface. Therefore, before 3.0, the set that implements this interface must be converted to