yuki_Yy的博客

ODM(原始设计制造商)主设计，OEM(原始设备制造商)主制造。例如，闻泰是ODM, 华为是OEM,闻泰提供设计给华为，华为按照设计去生产手机。https://www.sohu.com/a/150372580_392936

一、Android原生android.util.Log类Android原生的Log类是http://androidxref.com/9.0.0_r3/xref/frameworks/base/core/java/android/util/Log.java#144最终会调用native方法，传递的参数有：bufID(对应不同的MAIN/RADIO/EVENTS/SYSTEM/CRASH buffer), priority(VERBOSE < DEBUG < INFO < WARN &

知识点和问题解决1. Gradle插件和Gradle的区别Gradle是开源的自动化构建工具，而Gradle插件是google开发的在Android Studio中使用Gradle的插件。build.gradle(Project: My Application)gradle插件buildscript { repositories { google() ...

  References一、MatrixAndroid 自定义View学习(八)——Matrix知识学习Android Matrix图像变换处理 二、坐标系【立体视觉】世界坐标系、相机坐标系、图像坐标系、像素坐标系之间的关系仔细看，不要浮躁，原来没有那么难！！所谓的像素坐标系：就是我们Android里绘制View常用的坐标系，圆点O在左上角；而图像坐标系...

1.常用来创建CaptureRequest的方法final CaptureRequest.Builder captureBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.addTarget(mCa...

Translate——平移变换preTranslate setTranslatex = x1 + x0y = y1 + y0postTranslate  Rotate——旋转变换preRotate setRotatex =  cosβ * x0-  sinβ * y0y =  sinβ * x0 + cosβ * y0postRotate ...

API1CameraParametersCameraInfoAPI2主要类CameraManager CameraDeviceCameraCharacteristics CameraCaptureSessionCaptureRequestCaptureResult 补充CameraDevice里说明：API的选择和当前device的等...

/** * Data items are compared to the same mimetype based off of three qualities: * 1. Super primary * 2. Primary * 3. Times used */ private final Comparator&lt;DataIt...

出现crash，我们首先找到crash log(源于system log)通过filter key——“类似AndroidRuntime: Process: com.android.settings”可以快速定位。 通常,crash的原因有很多，包括error/exception(属于uncheckd Throwable),如图：Error1.ArrayIndexOutOf...

  Referenceshttp://gelitenight.github.io/android/2017/01/29/solve-FileUriExposedException-caused-by-file-uri-with-FileProvider.html#section-1https://developer.android.com/about/versions/nougat...

https://github.com/codepath/android-custom-view-demos/blob/master/README.mdhttp://www.vogella.com/tutorials/AndroidCustomViews/article.htmlhttps://github.com/codepath/android_guides/wiki/Basic-Pai...

步骤１．全局编译源码，生成out等文件，编译idegen模块mmm development/tools/idegen/检查：是否生成idegen.jar文件，编译成功显示“make completed successfully”２．编译脚本development/tools/idegen/idegen.sh检查：是否在根目录生成对应的android.ipr、androi...