Programmer Group

The demand is as follows: There are two kinds of pictures to display, one is 640*640 and the other is 1920*1080. If it is a 1920 picture, you need to double-click to switch the display mode. By default, the middle part of 1920 is displayed by 640*640, which allows you to swipe left and right to view the entire picture ...

Describes how to add a video background to the interface found on the Internet, which mimics keep 1. First add the raw folder under the res folder and copy in the video you want to use 2. Add video_under the layout folderBackground.xmlLayout, add Videview control inside layout 3. Change AndroidManifest.xml Content removes Bar from the disp ...

1. Preface In the development of Android projects, there is often a need to launch page ads.Today I'll start the implementation of page advertisement in order to use it for reference in future projects. 2. Overview Ideas for implementation: 1. During the initialization phase of the startup page, access the back-en ...

Save the log file to the sdcard, directory: crash folder under the sdcard root directory First, set permissions, no permissions to the final effect <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>Two classes must be crea ...

Method 1 (aroused by Intent) Our own app Code: ComponentName componetName = new ComponentName( "com.lh.jimtrency.webviewdemo", "com.lh.jimtrency.webviewdemo.MainActivity"); //(package name of another application, Activity to start) Bundle bundle = new Bundle(); ArrayList<String> strings=new ArrayLis ...

Scene: Control side - ordinary mobile phone; Controlled side - XX device (no screen, no user operation, system privileges) There are two ways to find a device when Bluetooth is on: search and specify a mac.Searching for Bluetooth devices with the search function involves the concept of "visibility". Bluetooth ...

Scene: Control side - ordinary mobile phone; Controlled side - XX device (no screen, no user operation, system privileges) There are two ways to find a device when Bluetooth is on: search and specify a mac.Searching for Bluetooth devices with the search function involves the concept of "visibility". Bluetooth ...

Provides a tool class for Android image reflection effect, which is very useful. First, the previous image: 1. Ideas: Copy the original resource picture, draw the next half of the original picture, process the picture flip, create the reverse picture, synthesize the picture and use it as the canvas, draw the original picture and the ref ...

Provides a tool class for Android image reflection effect, which is very useful. First, the previous image: 1. Ideas: Copy the original resource picture, draw the next half of the original picture, process the picture flip, create the reverse picture, synthesize the picture and use it as the canvas, draw the original picture and the ref ...

Provides a tool class for Android image reflection effect, which is very useful. First, the previous image: 1. Ideas: Copy the original resource picture, draw the next half of the original picture, process the picture flip, create the reverse picture, synthesize the picture and use it as the canvas, draw the original picture and the ref ...