[pigeon] Improve java generation#214

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gaaclarke merged 6 commits into

flutter:masterfrom

matejdro:java_improvements

Mar 1, 2021

Commits on Mar 1, 2021

[pigeon] use generic Map and List instead of specific ArrayList and HashMap

matejdro
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gaaclarke
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[pigeon] specify List and Map generic types

matejdro
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gaaclarke
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[pigeon] allow callback of the flutter api method to be null

matejdro
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gaaclarke
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[pigeon] allow call of the flutter api method without the callback

matejdro
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gaaclarke
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[pigeon] do not use double quotes

matejdro
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gaaclarke
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[pigeon] reformat java_generator.dart

matejdro
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gaaclarke
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