Unity3d build打包app时报错：Failed to re-package resources. See the Console for details.
看下面的完整报错会发现是因为没有在规定的文件下放置资源或者资源丢失的原因导致的！
总之这些个人操作原因导致的错误就很皮。。
Error building Player: CommandInvokationFailure: Failed to re-package resources. See the Console for details.
D:\software\AndriodSDK\android-sdk-windows\build-tools\27.0.3\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "D:\software\AndriodSDK\android-sdk-windows\platforms\android-27\android.jar" -F bin/resources.ap_
//错误原因，
stderr[
AndroidManifest.xml:5: error: Error: No resource found that matches the given name (at 'icon' with value '@drawable/ic_launcher').
]
stdout[
Configurations:
(default)
v14
v21
ldpi-v4
hdpi-v4
xhdpi-v4
xxhdpi-v4
xxxhdpi-v4
Files:
drawable\app_banner.png
Src: (xhdpi-v4) res\drawable-xhdpi\app_banner.png
drawable\app_icon.png
Src: () res\drawable\app_icon.png
Src: (ldpi-v4) res\drawable-ldpi\app_icon.png
Src: (hdpi-v4) res\drawable-hdpi\app_icon.png
Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png
Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png
Src: (xxxhdpi-v4) res\drawable-xxxhdpi\app_icon.png
values\strings.xml
Src: () res\values\strings.xml
values\styles.xml
Src: () res\values\styles.xml
Src: (v14) res\values-v14\styles.xml
Src: (v21) res\values-v21\styles.xml
AndroidManifest.xml
Src: () AndroidManifest.xml
Resource Dirs:
Type drawable
drawable\app_banner.png
Src: (xhdpi-v4) res\drawable-xhdpi\app_banner.png
drawable\app_icon.png
Src: () res\drawable\app_icon.png
Src: (ldpi-v4) res\drawable-ldpi\app_icon.png
Src: (hdpi-v4) res\drawable-hdpi\app_icon.png
Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png
Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png
Src: (xxxhdpi-v4) res\drawable-xxxhdpi\app_icon.png
Type values
values\strings.xml
Src: () res\values\strings.xml
values\styles.xml
Src: () res\values\styles.xml
Src: (v14) res\values-v14\styles.xml
Src: (v21) res\values-v21\styles.xml
Including resources from package: D:\software\AndriodSDK\android-sdk-windows\platforms\android-27\android.jar
applyFileOverlay for drawable
applyFileOverlay for layout
applyFileOverlay for anim
applyFileOverlay for animator
applyFileOverlay for interpolator
applyFileOverlay for transition
applyFileOverlay for xml
applyFileOverlay for raw
applyFileOverlay for color
applyFileOverlay for menu
applyFileOverlay for font
applyFileOverlay for mipmap
Processing image: res\drawable-xhdpi\app_banner.png
Processing image: res\drawable\app_icon.png
Processing image: res\drawable-ldpi\app_icon.png
Processing image: res\drawable-hdpi\app_icon.png
(processed image res\drawable-ldpi\app_icon.png: 98% size of source)
Processing image: res\drawable-xhdpi\app_icon.png
(processed image res\drawable\app_icon.png: 98% size of source)
Processing image: res\drawable-xxhdpi\app_icon.png
(processed image res\drawable-hdpi\app_icon.png: 99% size of source)
Processing image: res\drawable-xxxhdpi\app_icon.png
(processed image res\drawable-xhdpi\app_icon.png: 99% size of source)
(processed image res\drawable-xhdpi\app_banner.png: 93% size of source)
(processed image res\drawable-xxhdpi\app_icon.png: 99% size of source)
(processed image res\drawable-xxxhdpi\app_icon.png: 99% size of source)
(new resource id app_banner from xhdpi-v4\drawable\app_banner.png #generated)
(new resource id app_icon from drawable\app_icon.png #generated)
(new resource id app_icon from ldpi-v4\drawable\app_icon.png #generated)
(new resource id app_icon from hdpi-v4\drawable\app_icon.png #generated)
(new resource id app_icon from xhdpi-v4\drawable\app_icon.png #generated)
(new resource id app_icon from xxhdpi-v4\drawable\app_icon.png #generated)
(new resource id app_icon from xxxhdpi-v4\drawable\app_icon.png #generated)
]