Unity3d build打包app時報錯：Failed to re-package resources. See the Console for details.

看下面的完整報錯會發現是因為沒有在規定的檔案下放置資源或者資源丟失的原因導致的！

總之這些個人操作原因導致的錯誤就很皮。。

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_

//錯誤原因，
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)
]