NumberFormatException

结论摘要

NumberFormatException indicates a parsing failure on Android that interrupts the current user flow.

现象表现

• NumberFormatException appears in logcat
• The app crashes or the action fails

常见原因

1. Payload shape differs from expected schema
2. Decoder assumptions are not validated

如何验证

快速修复

• Add guard checks and a safe fallback path
• Disable or rollback the risky code path behind a flag

长期修复

• Enforce contracts with types, runtime checks, and tests
• Refactor ownership and lifecycle boundaries to remove the failure mode

示例堆栈

NumberFormatException at com.example.app.MainActivity.onCreate(MainActivity.kt:42)

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