An easy way to get an image when you know the image name in Android

1. Place the image in sdcard, CopyCodeThe Code is as follows: bitmap imagebitmap = bitmapfactory. decodefile (PATH) (path is the image path, and the directory is/sdcard)

2. The image is in the res folder of the project.Copy codeThe Code is as follows: // obtain the application object
Applicationinfo appinfo = getapplicationinfo ();
// Obtain the image ID (name is the image name, "drawable" is the directory where the image is stored, and appinfo. packagename is the applicationProgramPackage)
Int resid = getresources (). getidentifier (name, "drawable", appinfo. packagename );

3. Place the image in the src directory.Copy codeThe Code is as follows: String Path = "com/timanetworks/JEROME/activity/test.png"; // path for storing images
Inputstream is = getclassloader (). getresourceasstream (PATH); // get the image stream