Android不同api调用显示的路径以及uil-imageUri显示的图片路径

Environment.getExternalStorageState:mounted
Environment.getDownloadCacheDirectory().getPath():/cache
Environment.getDataDirectory().getPath():/data
Environment.getExternalStorageDirectory().getPath():/mnt/sdcard
Environment.getExternalStoragePublicDirectory().getPath():/mnt/sdcard/Pictures
Environment.getRootDirectory().getPath():/system
Environment.getDownloadCacheDirectory().getAbsolutePath():/cache
Environment.getDataDirectory().getAbsolutePath():/data
Environment.getExternalStorageDirectory().getAbsolutePath():/mnt/sdcard
Environment.getExternalStoragePublicDirectory().getAbsolutePath():/mnt/sdcard/Pictures
Environment.getRootDirectory().getAbsolutePath():/system

String imageUri = "http://site.com/image.png"; // 网络图片
String imageUri = "file:///mnt/sdcard/image.png"; //SD卡图片
String imageUri = "content://media/external/audio/albumart/13"; // 媒体文件夹
String imageUri = "assets://image.png"; // assets
String imageUri = "drawable://" + R.drawable.image; // drawable文件