这可能是一个愚蠢的问题。我有一个“ di”类,其中包含一个属性“ train_indices”。如果访问该目录,则会得到以下结果:
flutter build apk --release
如何访问这些值?我想做这样的事情:
Running Gradle task 'assembleRelease'...
Removed unused resources: Binary resource data reduced from 44KB to 35KB: Removed 20%
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':webview_flutter:verifyReleaseResources'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
> Android resource linking failed
C:\Users\naonv\.gradle\caches\transforms-2\files-2.1\0a271e99b6771ad4a84318244d532fb7\core-1.0.0\res\values\values.xml:57:5-88:25: AAPT:
error: resource android:attr/fontVariationSettings not found.
C:\Users\naonv\.gradle\caches\transforms-2\files-2.1\0a271e99b6771ad4a84318244d532fb7\core-1.0.0\res\values\values.xml:57:5-88:25: AAPT:
error: resource android:attr/ttcIndex not found.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 5m 12s
Running Gradle task 'assembleRelease'...
Running Gradle task 'assembleRelease'... Done 315.2s (!)
The built failed likely due to AndroidX incompatibilities in a plugin. The tool is about to try using Jetfier to solve the incompatibility.
✏️ Creating `android\settings_aar.gradle`... 178ms
√ `android\settings_aar.gradle` created successfully.
Building plugin webview_flutter...
Running Gradle task 'assembleAarRelease'...
Running Gradle task 'assembleAarRelease'... Done 37.6s
Starting a Gradle Daemon, 1 incompatible and 1 stopped Daemons could not be reused, use --status for details
WARNING: The option setting 'android.enableR8=true' is experimental and unsupported.
The current default is 'false'
Consider disabling R8 by removing 'android.enableR8=true' from your gradle.properties before publishing your app.
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring root project 'webview_flutter'.
> SDK location not found. Define location with sdk.dir in the local.properties file or with an ANDROID_HOME environment variable.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 36s
The plugin webview_flutter could not be built due to the issue above.
但这不起作用。任何帮助都非常欢迎。
答案 0 :(得分:0)
非常简单
# lets define your class as below
class d1:
import numpy as np
train_indices = np.array({'bike': 0, 'car': 100, 'motorcycle': 2, 'other': 3, 'truck': 4, 'van': 5}, dtype=object)
# now lets declare and call it
x1 = d1()
# lets iterate through array now
for index, value in np.ndenumerate(x1.train_indices):
print(index, type(value),value['car'])
# output:
() <class 'dict'> 100
另一个例子:
import numpy as np
train_indices = np.array({'bike': 0, 'car': 100, 'motorcycle': 2, 'other': 3, 'truck': 4, 'van': 5}, dtype=object)
for index, row in np.ndenumerate(train_indices):
print (index,row)
for x,y in row.items():
print(x ," : ",y)
**output:**
() {'bike': 0, 'car': 100, 'motorcycle': 2, 'other': 3, 'truck': 4, 'van': 5}
bike : 0
car : 100
motorcycle : 2
other : 3
truck : 4
van : 5
对于裁判:https://docs.scipy.org/doc/numpy/reference/generated/numpy.ndenumerate.html#numpy.ndenumerate