make screen darker android

Inadvertently opened a year ago to do an Android app code, see the implementation of a small function point (such as the title), now write an article to make a note. The problem was that when rotating the screen, the number of columns and widths of the GridView were adapted to the width of the screen, and a certain amo

Today I'm going to share the learning experience of the Android Bullet Screen Framework (danmakuflamemaster) by Bilibili Open source. I am the entire framework in the form of model into the project, so more convenient to observe the source code. can also be injected in a way that depends. dependencies { compile ' com.github.ctiao:danmakuflamemaster:0.5.3 ' } Let me just put in a picture of t

Mobile phone with a long time a button may be bad, such as waking up the screen keys, the basic daily use many times. Time is sure to use the bad, small make up here to teach you a kind of Android phone to modify any key to wake up the screen, I hope that the modification of any key to wake up the

system will not enter sleep phenomenonRefer to the following method to have the dialog box appear above the lock screenThe OnCreate method is usedRequestwindowfeature (Window.feature_no_title); Hide TitleWindow win = GetWindow ();Windowmanager.layoutparams winparams = Win.getattributes ();Winparams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON| WindowManager.LayoutParams.FL

Problem Description:How to center the button horizontally vertically and always occupy half the screen widthThe effect is as follows:Vertical screen:Horizontal screen:Solution:Using a linear layout, specifies that the total weight of the linear layout (WeightSum) is 1, and the weight of the specified button is half that of 0.5The layout code is as follows:XML version= "1.0" encoding= "Utf-8"?>LinearLayoutxmlns:android= "Http://schemas.android.com/apk/

How does the Android font size adapt to the change in resolution at different resolutions?Suppose you need to adapt to 320x240,480x320 resolution. Create a new folder under the Res directory values-320x240, values-480x320. Then in the folder values, values-320x240 and values-480x320 new XML file Dimens.xml, the XML file content is as follows:For different resolutions, the value of the btntextsize is different. In the layout file, reference the value i

following method to have the dialog box appear above the lock screenThe OnCreate method is usedRequestwindowfeature (Window.feature_no_title); Hide TitleWindow win = GetWindow ();Windowmanager.layoutparams winparams = Win.getattributes ();Winparams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);Setrequestedorientation (0);Use

With the emergence of various large-screen Android machines, the adaptation problem becomes more and more important. Here I will introduce how to make the two buttons each half of the screen, similarly, three, four, or more buttons or other controls can be used to evenly occupy the

When I was doing something recently, there was a requirement to fill the screen with the picture that was used to viewpager the carousel, but the problem was that there was always a gap between the imageview and the screen, as shown here:At that time the first reaction to consider using Layoutparam, but after several attempts to find a solution on the internet, as long as the creation of ImageView, the Imag

: file-save for web format ...Select Type: GIF typeTo make your files smaller, you can adjust the overall size of the picture before you enter it, and you can adjust the color and dither values.Finally click on the storage bar ~ ~ ~Note: If your video pixel is high, then in PS may be a lot of memory, this should be psychologically prepared AH ~ ~ResultsOverall tutorial is relatively simple, this morning when you see someone asked how, this is a coinci

Some SamSung mobile phones close the screen, just open the screen, the foreground activity will resume status, because we use the cocos2d-x engine, the default resume and activity resume event is consistent, we re-open the closed Sound in resume, so after the user lights up the screen (not unlocked ), you will hear in-game sound (if our game is on the frontend wh

Brief Introduction to Android touch screen Gesture Recognition and android touch screen gesture Most of the time, the use of touch screen Fling, Scroll and other Gesture (Gesture) operations will greatly improve the user experience of the application, such as rolling the

bird is coming out of the PC hard disk version! Alas ~ You can say it can make people angry. To be honest, the bird game is really good. The only highlight I see is the idea of this game! To be honest, the current game is not able to do anything but to think of creative ideas and Keke. Back to the topic, let's take a look at what Android gestures are! The so-called gesture operations are similar to dance

[Android] Lock screen, android lock screen Recently, I have been playing with a lot of fun and have not written many things. Today, I will simply add a simple article. This is a design recently involved in locking the screen of an Androi