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wtf is shuaidao?

ypwhs/shuaidao — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2015-01-14

JavaAudience · generalComplexity · 2/5DormantSetup · moderate

TL;DR

A mobile safety app that detects when your phone has fallen and automatically calls for help if you don't pick it back up within five seconds.

Mindmap

mindmap
  root((repo))
    What it does
      Detects phone falls
      Counts down 5 seconds
      Auto-dials emergency
    Tech stack
      Java
      Accelerometer
      Gyroscope
    Use cases
      Fall detection safety
      Elderly monitoring
    Audience
      People living alone
      Caregivers

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Run the app in the background so it automatically detects a phone fall using motion sensors.

REASON 2

Let the app auto-dial an emergency contact if the phone isn't picked up within five seconds of a fall.

REASON 3

Use it as a safety net for elderly relatives or people living alone who worry about accidents going unnoticed.

What's in the stack?

JavaAndroid

How it stacks up

ypwhs/shuaidaoabhishek-kumar09/pmdahus1/cdt
LanguageJavaJavaJava
Last pushed2015-01-142020-11-152024-11-05
MaintenanceDormantDormantStale
Setup difficultymoderatemoderatemoderate
Complexity2/53/53/5
Audiencegeneraldeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · moderate Time to first run · 1h+

README lacks setup and configuration details, check the source code for install steps and customization options.

No license information was found in the explanation.

Yoink these prompts

Prompt 1
Explain how shuaidao uses the accelerometer and gyroscope to detect that a phone has fallen.
Prompt 2
Help me find where in this repo I could change the five-second countdown or the emergency number it calls.
Prompt 3
Since the README is sparse, help me explore this repo's code to find its setup and configuration options.
Prompt 4
Walk me through building and installing this Android app so I can test its fall-detection feature.

Frequently asked questions

wtf is shuaidao?

A mobile safety app that detects when your phone has fallen and automatically calls for help if you don't pick it back up within five seconds.

What language is shuaidao written in?

Mainly Java. The stack also includes Java, Android.

Is shuaidao actively maintained?

Dormant — no commits in 2+ years (last push 2015-01-14).

What license does shuaidao use?

No license information was found in the explanation.

How hard is shuaidao to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is shuaidao for?

Mainly general.

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