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Android

This is a pure kotlin version of Android Base Utils for any android project. You can also get this project in gitee.

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Install / Use

/learn @yhz61010/Android
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

Leo Version Kotlin Version AGP Gradle

Android Studio Build Java Version Compatibility Java Version NDK

CodeFactor

Attention

Project configurations:

  • minSdk is 21 (Android 5.0) ~~minSdk is 24 (Android 7.0)~~
  • targetSdk is 36 (Android 16 - Baklava)

PS: Due to limitations from other projects I am currently involved in, the minSdk must remain at 21 and cannot be upgraded for now. This also indirectly affects some of the open-source libraries used in this project, preventing them from being updated to their latest versions.

How to import?

  1. You MUST rename or copy the gradle.properties.template file to gradle.properties and MODIFY it.
  2. Configure the following environment variables on the CI/CD platform:
  • KEYSTORE_PATH
  • KEYSTORE_PASSWORD
  • KEY_ALIAS
  • KEY_PASSWORD

For Kotlin (build.gradle.kts)

Add the libraries as you need. For example:

[libraries]
leo-androidbase = { module = "com.leovp.android:androidbase", version.ref = "<latest-version>" }
leo-lib-compose = { module = "com.leovp.android:lib-compose", version.ref = "<latest-version>" }
leo-pref = { module = "com.leovp.android:pref", version.ref = "<latest-version>" }
...
...

Import that library in your module build.gradle.kts file:

implementation(libs.leo.androidbase)

For Groovy (build.gradle)

dependencies {
    implementation "com.leovp.android:androidbase:<latest>"
    implementation "com.leovp.android:lib-compose:<latest>"
    implementation "com.leovp.android:pref:<latest>"
    ...
    ...
}

Upload to bintray(Maven and jcenter)

./gradlew clean build bintrayUpload -PbintrayUser=yhz61010 -PbintrayKey=<Your API Key> -PdryRun=false

You can get your API Key as following url API Key

Known Issues

  1. ~~AudioActivity(Solved. See AacFilePlayer.kt bf1bfe248a54308cd91cfa7f516026b237413119 commit)~~ ~~Can not play AAC file in Audio demo on OnePlus 8T device.~~
  2. AudioReceiver In realtime communication of Audio demo, if the audio codec is 8Khz/16bit/2ch, the volume of receiver is too small to hear.
  3. FFMpegH264Activity & FFMpegH265Activity When you back to previously activity while playing video, it will crash caused by ffmpeg in following place: h264_hevc_decoder_all_in_one_file.cpp in decode() method, when calling avcodec_send_packet.

TODO List

~~1. Camera2Live~~(Solved) ~~When you initialize Camera2Component, you must specify the encoder type manually. This is not a wise way. In the next version, I will identify the encoder automatically according to the camera characteristics.~~

~~2. Network Monitor~~(Solved) ~~Now, I do not show you a way to get the network traffic and ping by implementing a listener. That means you can just check the network traffic and ping in log, but you can not get them in your code. In the next version, I will provide you a listener that you can use them freely when network traffic and ping are changed.~~

About Log

Almost every project will use a log wrapper to manage your log. So does this library. Here comes a question: how to save this library logs in your project if you need it? In order to solve this problem, I implement a log system by using LogContext. You just need to initiate LogContext with your custom log wrapper and output your log by using LogContext I have already implemented the LLog which is a wrapper of Android default log as default implementation for LogContext. Of course, you can implement your log wrapper by implement ILog. DO NOT forget to initialize it first in Application.

Please check the LogActivity for details.

FYI: You can use Xlog as your wrapper implements. It is an efficient and powerful log.

About Camera2Live Module(Device Camera Information List)

Notice: All devices below are supported OMX.google.h264.encoder H.264 encoder

Nexus

Nexus 6(Root)(Android 7.1.1)

Camera supported hardware level

Lens Back: LEVEL_FULL(1)
Lens Front: LEVEL_LIMITED(0)

H.264 Encoder

OMX.qcom.video.encoder.avc

Camera supported FPS

Lens Back(Camera Sensor Orientation: 90)

[[15, 15], [24, 24], [7, 30], [30, 30]]

Lens Front(Camera Sensor Orientation: 90)

[[7, 30], [30, 30]]

Camera supported size

Lens Back(Camera Sensor Orientation: 90)

[4160, 3120][4160, 2774][4160, 2340][4000, 3000][3840, 2160][3264, 2176][3200, 2400][3200, 1800][2592, 1944][2592, 1728][2048, 1536][1920, 1440][1920, 1080][1280, 960][1280, 768][1280, 720][1024, 768][800, 600][800, 480][720, 480][640, 480][352, 288][320, 240][176, 144]

Lens Front(Camera Sensor Orientation: 90)

[1920, 1080][1280, 960][1280, 768][1280, 720][1024, 768][800, 600][800, 480][720, 480][640, 480][352, 288][320, 240][176, 144]

Nexus 6P(Root)(Android 8.1)

Camera supported hardware level

Lens Back: LEVEL_3(3)
Lens Front: LEVEL_3(3)

H.264 Encoder

OMX.qcom.video.encoder.avc

Camera supported FPS

Lens Back(Camera Sensor Orientation: 90)

[[15, 15], [24, 24], [15, 30], [30, 30]]

Lens Front(Camera Sensor Orientation: 90)

[[15, 15], [10, 20], [20, 20], [24, 24], [10, 30], [30, 30]]

Camera supported size

Lens Back(Camera Sensor Orientation: 90)

[4032, 3024][4000, 3000][3840, 2160][3288, 2480][3264, 2448][3200, 2400][2976, 2976][2592, 1944][2688, 1512][2048, 1536][1920, 1080][1600, 1200][1440, 1080][1280, 960][1280, 768][1280, 720][1024, 768][800, 600][864, 480][800, 480][720, 480][640, 480][640, 360][352, 288][320, 240][176, 144][160, 120]

Lens Front(Camera Sensor Orientation: 90)

[3264, 2448][3200, 2400][2592, 1944][2688, 1512][2048, 1536][1920, 1080][1600, 1200][1440, 1080][1280, 960][1280, 768][1280, 720][1024, 768][800, 600][864, 480][800, 480][720, 480][640, 480][640, 360][352, 288][320, 240][176, 144][160, 120]

Pixel

Google Pixel 3XL(Pixel 3XL)(Android 12)

Camera supported hardware level

Lens Back: LEVEL_3(3)
Lens Front: LEVEL_FULL(1)

H.264 Encoder

c2.qti.avc.encoder OMX.qcom.video.encoder.avc c2.android.avc.encoder

Camera supported FPS

Lens Back(Camera Sensor Orientation: 90)

[[15, 15], [7, 30], [15, 30], [30, 30], [15, 60], [60, 60]]

Lens Front(Camera Sensor Orientation: 270)

[[15, 15], [7, 30], [15, 30], [30, 30]]

Camera supported size

Lens Back(Camera Sensor Orientation: 90)

[4032x3024, 4000x3000, 3840x2160, 4000x2000, 3264x2448, 3200x2400, 2688x1512, 2592x1944, 2560x1280, 2048x1536, 1920x1440, 1920x1080, 1600x1200, 1920x960, 1280x960, 1280x768, 1280x720, 1024x768, 800x400, 800x600, 800x480, 720x480, 640x400, 640x480, 640x360, 352x288, 320x240, 176x144, 160x120]

Lens Front(Camera Sensor Orientation: 270)

[3264x2448, 3200x2400, 2688x1512, 2592x1944, 2560x1280, 2048x1536, 1920x1440, 1920x1080, 1600x1200, 1920x960, 1280x960, 1280x768, 1280x720, 1024x768, 800x400, 800x600, 800x480, 720x480, 640x400, 640x480, 640x360, 352x288, 320x240, 176x144, 160x120]

MeiZu

MeiZu Pro5(M576)(Android 5.1)

Camera supported hardware level

Lens Back: LEVEL_LEGACY(2)
Lens Front: LEVEL_LEGACY(2)

H.264 Encoder

OMX.Exynos.AVC.Encoder

Camera supported FPS

Lens Back(Camera Sensor Orientation: 90)

[[14000, 24000], [24000, 24000], [14000, 30000], [30000, 30000]]

Lens Front(Camera Sensor Orientation: 270)

[[14000, 30000], [30000, 30000]]

Camera supported size

Lens Back(Camera Sensor Orientation: 90)

[1920, 1440][1920, 1080][1440, 1080][1280, 720][800, 600][720, 480][640, 480][320, 240][176, 144]

Lens Front(Camera Sensor Orientation: 270)

[1920, 1440][1920, 1080][1440, 1080][1280, 720][800, 600][720, 480][640, 480][320, 240][176, 144]

MeiZu MX6(M6850)(Android 7.1.1)

Camera supported hardware level

Lens Back: LEVEL_LEGACY(2)
Lens Front: LEVEL_LEGACY(2)

H.264 Encoder

OMX.MTK.VIDEO.ENCODER.AVC

Camera supported FPS

Lens Back(Camera Sensor Orientation: 90)

[[15, 15], [20, 20], [24, 24], [5, 30], [30, 30]]

Lens Front(Camera Sensor Orientation: 270)

[[5, 15], [20, 20], [5, 30], [30, 30]]

Camera supported size

Lens Back(Camera Sensor Orientation: 90)

[1680, 1260][1920, 1088][1920, 1080][1440, 1080][1280, 720][960, 540][800, 600][864, 480][800, 480][720, 480][640, 480][480, 320][352, 288][320, 240][176, 144]

Lens Front(Camera Sensor Orientation: 270)

[1440, 1080][1280, 720][960, 720][960, 540][800, 600][864, 480][800, 480][720, 480][640, 480][480, 368][480, 320][352, 288][320, 240][176, 144]

Samsung

Samsung Galaxy S20 5G(SM-G9810)(Android 10)

Camera supported hardware level

Lens Back: LEVEL_3(3)
Lens Front: LEVEL_LIMITED(0)

H.264 Encoder

OMX.qcom.video.encoder.avc c2.android.avc.encoder

Camera supported FPS

Lens Back(Camera Sen

yhz61010

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GitHub Stars14
CategoryDevelopment
Updated9d ago
Forks6
yhz61010/android

Languages

Kotlin

Security Score

90/100

Audited on Mar 27, 2026

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