Demo material-intro
A simple material design app intro with cool animations and a simple API.
Heinrich Reimer · com.heinrichreimersoftware.materialintro.demo
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.0.0-35-g52d8e59.dirty (20000)
- Updated
- Feb 7, 2026 (8 months ago)
- APK size
- 4.5 MB
- Requires
- Android 4.0.3+ (API 15)
- CPU support
- Any (no native code)
- Category
- Libraries & Demo (app)
- Listed since
- Mar 27, 2024 (at least)
- Permissions
- 7 (2 sensitive)
- Website
- heinrichreimersoftware.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Demo material-intro is an app by Heinrich Reimer in the Libraries & Demo category, listed since at least March 2024. It has no native code, so it runs on any Android processor.
It asks for 7 permissions, 2 of them sensitive: camera and modify shared storage.
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Feb 7, 2026.
- Certificate issued to “Heinrich Reimer Software” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Feb 7, 2026
- Validated against Google Play Feb 7, 2026
- Signed byCN=Heinrich Reimer, OU=Android Development, O=Heinrich Reimer Software, L=Braunschweig, ST=Niedersachsen, C=DE
- Signing certificate (SHA-1)AB:61:0B:82:A9:04:48:95:95:88:B7:B3:39:3D:C2:35:4D:87:B7:0E
- File MD513aa7c483bc88931ebaea311f46b2d51
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (7)
Demo material-intro requests 7 permissions, 2 of them sensitive.
- Camera Sensitive android.permission.CAMERA
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Demo material-intro APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the Demo material-intro APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 13aa7c483bc88931ebaea311f46b2d51.
