adaptor | 易学教程

Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter convertView

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问题 I got this error just after converted the adapter code to Kotlin: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter convertView at ...MyAdapter.getView(Unknown Source:35) at android.widget.HeaderViewListAdapter.getView(HeaderViewListAdapter.java:220) at android.widget.AbsListView.obtainView(AbsListView.java:2366) The error fires when inflating the row: class LegalAdapter internal constructor

Pytest/Allure - How to generate testcase description?

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问题 I'm still fairly new to Allure, and I'm trying to generate a test description in my reports. Looking at other SO questions and pytest-allure-adaptor documentation, there doesn't seem to be an option to do this. The closest I've gotten was writing this: def test_one(): """ This is the test description. """ assert pass And that's very limited, since it automatically collapses it. In the Allure example report, you can see that they can use headers and probably markdown of some sort. How do I do

Gridview with layout (imageview + imagebutton) for every value

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Is it possible to make a gridview that has instead of a grid of pictures, a grid of pictures with a small imagebutton below every one of them? Short answer: Yes. You can have an ImageView and an ImageButton in a GridView . Long answer: You will naturally have to create a custom GridView for that purpose. For example: Create an XML which will hold the container GridView , say, grid.xml : <GridView android:id="@+id/gridFriends" android:layout_width="fill_parent" android:layout_height="fill_parent" android:clipChildren="true" android:columnWidth="100dp" android:fastScrollEnabled="true" android

Gridview with layout (imageview + imagebutton) for every value

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问题 Is it possible to make a gridview that has instead of a grid of pictures, a grid of pictures with a small imagebutton below every one of them? 回答1: Short answer: Yes. You can have an ImageView and an ImageButton in a GridView . Long answer: You will naturally have to create a custom GridView for that purpose. For example: Create an XML which will hold the container GridView , say, grid.xml : <GridView android:id="@+id/gridFriends" android:layout_width="fill_parent" android:layout_height="fill

ListView items are not clickable. why?

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I have a ListView that uses a customized adapter, but I can't click on the ListView Item .. Activity for list view .. package com.adhamenaya.projects; import java.util.ArrayList; import android.app.Activity; import android.content.Context; import android.os.AsyncTask; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.Filter; import android.widget.Filterable; import android.widget.ListView; import

ListView items are not clickable. why?

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问题 I have a ListView that uses a customized adapter, but I can\'t click on the ListView Item .. Activity for list view .. package com.adhamenaya.projects; import java.util.ArrayList; import android.app.Activity; import android.content.Context; import android.os.AsyncTask; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button;