you can manual download sdk:
- https://dl.google.com/android/repository/platform-29_r04.zip
- https://dl.google.com/android/repository/3534162-studio.sdk-patcher.zip
- https://dl.google.com/android/repository/build-tools_r29.0.3-windows.zip
- https://dl.google.com/android/repository/emulator-windows-6306047.zip
- https://dl.google.com/android/repository/sources-29_r01.zip
- https://dl.google.com/android/repository/platform-tools_r29.0.6-windows.zip
Unpack to
- C:\Android\Sdk\platforms\android-2
- C:\Android\Sdk\patcher\v4
- C:\Android\Sdk\build-tools\29.0.3
- C:\Android\Sdk\emulator
- C:\Android\Sdk\sources\android-29
- C:\Android\Sdk\platform-tools
Parsing
- C:\Android\Sdk\build-tools\29.0.3\package.xml
- C:\Android\Sdk\emulator\package.xml
- C:\Android\Sdk\patcher\v4\package.xml
- C:\Android\Sdk\platform-tools\package.xml
- C:\Android\Sdk\platforms\android-29\package.xml
- C:\Android\Sdk\sources\android-29\package.xml