android 添加图片素材

For Android Studio 1.5:

1. Right click on res -> new -> Image Asset
2. On Asset type choose Action Bar and Tab Icons
3. Choose the image path
4. Give your image a name in Resource name
5. Next->Finish

Update for Android Studio 2.2:

1. Right click on res -> new -> Image Asset

2. On Icon Type choose Action Bar and Tab Icons

3. On Asset type choose Image

4. On Path choose your image path

5. Next->Finish

The image will be saved in the /res/drawable folder.