.NET for Android error XA5205

Example messages

error XA5205: Cannot find `aapt.exe`. Please install the Android SDK Build-Tools package with the `C:\Program Files (x86)\Android\android-sdk\tools\android.bat` program.
error XA5205: Cannot find `zipalign.exe`. Please install the Android SDK Build-Tools package with the `C:\Program Files (x86)\Android\android-sdk\tools\android.bat` program.
error XA5205: Cannot find `lint.bat` in the Android SDK. Please set its path via `/p:LintToolPath`.

Issue

This is a generic error when a required tool cannot be found.

Solution

You should check that the Android SDK is installed and up to date. Also make sure that the path is set in the IDE.