Contact person: Enhance Android App Performance and Upgrade

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Location: Agadir, United Kingdom

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Android Developer Needed — Flash Alerts App
(Target Android 15 / API 35 Upgrade + Performance
Fixes)
We need an experienced Android developer to update and optimize our Flash Alerts for Calls &
SMS app. The project must target Android 15 (API 35) and resolve current performance and
stability issues.
Required Fixes:
1. Excessive slow frames (UI jank)
2. Excessive frozen frames
3. Slow warm-start rate on ARM Cortex-A53 devices
4. Remove resizability & orientation restrictions to support large screens (tablets/foldables)
5. Crash: [login to view URL]$1400 [login to view URL]
6. ANR: [login to view URL]$300 Input dispatching timed out
Current Technical Setup:
compileOptions {
sourceCompatibility = '1.7'
targetCompatibility = '1.8'
}
minSdkVersion 21
compileSdkVersion 34
multiDexEnabled true
Root [login to view URL]:
dependencies {
classpath '[login to view URL]:gradle:3.4.3'
classpath '[login to view URL]:google-services:3.2.1'
classpath '[login to view URL]:proguard-gradle:6.1.1'
}
Module dependencies:
dependencies {
implementation '[login to view URL]:appcompat:1.0.0'
implementation '[login to view URL]:play-services-ads:21.5.0'
implementation '[login to view URL]:work-runtime:2.7.0'
}
Deliverables:
- Upgrade to targetSdkVersion 35, compileSdkVersion 35, AGP 8.x, and JDK 17
- Fix all performance (jank/frozen frames) and ANR issues
- Resolve NPE crash in MainActivity
- Ensure full support for large-screen and multi-window devices
- Update all dependencies and replace legacy ProGuard with R8
- Provide short before/after performance summary and changelog
Please Include in Your Proposal:
- Experience upgrading from AGP 3.x → 8.x
- Plan for diagnosing/fixing the NPE and ANR
- Proposed optimization methods for frame rendering & startup" (client-provided description)