Category：Android
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Time：2020-7-13
There is a problem: it is necessary to add signature verification to all requests to prevent the interface from being erased; a text string generated by the incoming request URL and body is sent to the server as a header; there is a ready-made signature verification method string dosignature (string URL, byte [] body); the […]
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Time：2020-7-13
scene After modifying the. Androidstudio directory of Android studio to another directory, open as and prompt to update. Click Update to prompt: Connection Error，Temp directory inside installation: This is followed by the modified directory. Note: Blog:https://blog.csdn.net/badao_liumang_qizhi Official accountDomineering procedural apeGet programming related e-books, tutorial push and free download. realization After checking that the […]
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Time：2020-7-11
scene After changing the. Gradle directory of Android studio from the default C disk to another directory, the new app prompts: Could not download gradle.jar:No cacahed version available for offline mode Note: Blog:https://blog.csdn.net/badao_liumang_qizhi Official accountDomineering procedural apeGet programming related e-books, tutorial push and free download. realization This is because the gradle required by […]
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Time：2020-7-11
Because the company needs a progress bar style with scale, I found a circle on the Internet, and some of them are background pictures with a scale, which is not suitable for my project. Because the scale needs to be changed dynamically, the scheme of changing background picture is definitely not feasible. The only way […]
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Time：2020-7-10
When the mobile phone is placed horizontally or vertically in the app, the horizontal / vertical screen of the screen is switched. Record the key information and implementation process. To put it bluntly, there are two ways to realize the screen automatic / manual rotation: One is defined in the code of the project. In […]
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Time：2020-7-10
scene Android studio download and installation tutorial (Graphic tutorial) https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/103672471 After installing Android studio above, the following directory will be generated by default under C: users / administrator The role of these three folders: . Android this folder is the AVD (Android Virtual Device Manager) generated by Android SDK, which is the storage […]
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Time：2020-7-9
This paper mainly introduces the use of third-party library to achieve the bottom date selector roller effect, similar to IOS date effect, only one kind of display effect is recorded, which is commonly used in the project. As for other effects and user-defined extension, you can refer to the original text for self-study. Original GitHub […]
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Time：2020-7-8
preface For Android playing some short sound effects, such as prompt tone or ring tone, soundpool can save more resources than using mediaplayer, and can play multiple sound effects at the same time, and can set different playback quality for different sound effects realization The specific function of soundpool will not be explained any more, […]
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Time：2020-7-8
scene When you read an Android tutorial, you are happy to run the first HelloWorld, only to find that new projects in Android studio always report errors. It can not compile successfully, the run button is gray, and there is no virtual machine, but a simple hello world can’t run. Note: Blog:https://blog.csdn.net/badao_liumang_qizhi Official accountDomineering procedural […]
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Time：2020-7-7
1、 Introduction to soundpool We used mediaplayer to play audio files before, but when our application needs to play intensive and short audio effects frequently, calling mediaplayer will take up a lot of resources of the system, and the delay time is long, so it does not support multiple audio playing at the same time. […]
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Time：2020-7-7
Problems encountered Sometimes, in order to save the interface controls and make the interface beautiful, we will use a single line to display singleline. If you use enable = false, the text in the input box will be gray and cannot be operated. The effect you want to achieve is to display a […]
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Time：2020-7-6
Whether it is WiFi or 4G network, after the establishment of network connection, it is to access the Internet resources, not to directly access the LAN resources. For example, when two people are together, a wants to transfer the video on the mobile phone to B. usually, the mobile phone QQ is opened and the […]
