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How can I display a list view in an Android Alert Dialog?
..._width="wrap_content"
android:layout_height="wrap_content">
<ListView
android:id="@+id/lv"
android:layout_width="wrap_content"
android:layout_height="fill_parent"/>
</LinearLayout>
In your activity
Dialog dialog = new Dialog(Activity.this);
di...
【解决】ChartData2D 二维图表组件报错 - 用户反馈 - 清泛IT社区，为创新赋能！
运行故障
java.lang.Index0ut0fBoundsException: Index: 9, Size: 1 at java.util.ArrayList.add(ArrayList.java:483) at com.google.appinventor.components.runtime.LineChartBaseDataModel.addEntryFromTuple(LineChartBaseDataModel.java:89) at
com.google.appinventor.components.runtime.ChartData2D$1.run(Ch...
二维图表数据如何从文件导入？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
Q: 使用这个功能后，如何显示曲线呢？如何依次获取 x 值和 y 值？test.csv
time,data
1201,6
1202,6.2
1203,6.1
1204,6.5
1205,6.4复制代码从csv加载数据：
效果如下：
How does the getView() method work when creating your own custom adapter?
...
getView() method in Adapter is for generating item's view of a ListView, Gallery,...
LayoutInflater is used to get the View object which you define in a layout xml (the root object, normally a LinearLayout,
FrameLayout, or RelativeLayout)
convertView is for recycling. Let's say you hav...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可以直接显示出变量的值。但是对于一些复杂类型，例如数组，结构，类呀，那就需要借助另外一个命令dt(display type)了
dt argv
Local var @ 0x21fafc Type wchar_t**
0x000d1b90
unsigned short，在C和C++程序中，一般都意味着是wchar_t（宽字...
What is the difference between the states selected, checked and activated in Android?
...nting the Checkable interface. Methods setChecked(), isChecked(), toggle()
ListView (after Honeycomb) calls setChecked() OR setActivated() depending on Android version as below (taken from Android source code):
if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) {
if (child ins...
How do I use pagination with Django class based generic ListViews?
...example, in your views.py:
import models
from django.views.generic import ListView
class CarListView(ListView):
model = models.Car # shorthand for setting queryset = models.Car.objects.all()
template_name = 'app/car_list.html' # optional (the default is app_name/modelNameInLowerCase_...
Android ListView headers
I have ListView that has some kind of events on it. Events are sorted by day, and I would like to have header with date on it for every day, and then events listen below.
...
使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟着学（上海）教育科技有限公司 版权...
UrsAI2ByteArray 字节数组扩展：读写二进制数据 - App Inventor 2 拓展 - ...
在技术应用或控制设备时，经常需要使用二进制数据。此扩展允许维护二进制数据字段（字节数组）。
官方页面：https://ullisroboterseite.de/android-AI2-ByteArray-en.html