memory_info_platform_interface 0.1.0

A common platform interface for memory_info.

0.1.0

• Adds Memory.appAvailableMem (iOS): memory the app can still allocate before reaching its limit.
• Adds Memory.lowMemoryThreshold, Memory.advertisedMem, Memory.javaHeapUsedMem, Memory.javaHeapMaxMem (Android).
• Memory.lowMemory is now also provided on iOS (true when available memory is below 25% of the app memory limit).
• Adds MemoryInfoPlatform.onMemoryPressure stream with MemoryPressureEvent and MemoryPressureLevel.
• DiskSpace.usedSpace returns null when free or total space is unknown.
• Method channel uses invokeMapMethod, a null platform reply no longer throws.
• Adds toString to models and documents units (megabytes).
• Adds unit tests.

0.0.2

• Update dependencies

0.0.1

• Initial release