android-layout

问题 In my AlertDialog, my Positive Button and Negative Button are "attached." I'm pretty sure there should be a gap between them. Can someone tell me why this is happening? I would be happy to provide any code. Here is what my AlertDialog looks like. I have a custom View for the Body as well as the Title of my AlertDialog (I won't post that XML code because I don't think it's necessary, but let me know.) In MainActivity, I inflate my custom title and body Views, and override setPositive() and

问题 In my AlertDialog, my Positive Button and Negative Button are "attached." I'm pretty sure there should be a gap between them. Can someone tell me why this is happening? I would be happy to provide any code. Here is what my AlertDialog looks like. I have a custom View for the Body as well as the Title of my AlertDialog (I won't post that XML code because I don't think it's necessary, but let me know.) In MainActivity, I inflate my custom title and body Views, and override setPositive() and

问题 In my AlertDialog, my Positive Button and Negative Button are "attached." I'm pretty sure there should be a gap between them. Can someone tell me why this is happening? I would be happy to provide any code. Here is what my AlertDialog looks like. I have a custom View for the Body as well as the Title of my AlertDialog (I won't post that XML code because I don't think it's necessary, but let me know.) In MainActivity, I inflate my custom title and body Views, and override setPositive() and

问题 After updating to Navigation 2.2.0-beta01 from the previous version, lint gives a warning about replacing the <fragment> tag with FragmentContainerView . However, replacing the tag alone seems to prevent the navigation graph from being inflated. According to 2.2.0-alpha01, FragmentContainerView is used internally. Should we ignore the lint warning? activity_main.xml <androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent" android:layout_height="match_parent"> <!-

问题 I'm developing an app with React Native for both iOS and Android, and I am trying to prevent device-specific scaling of the display in the app. For text/font size scaling, putting the following code in the root-level App.js file solves the issue for both iOS and Android: if (Text.defaultProps == null) { Text.defaultProps = {}; } Text.defaultProps.allowFontScaling = false; However, Android devices have the following Display size setting that is still being applied: I've tried (unsuccessfully)

问题 I am trying to understand what the setRecycledViewPool method actually does along with the RecyclerView in the following line of code where mrecyclerView is a RecyclerView object: mrecyclerView.setRecycledViewPool(new RecyclerView.RecycledViewPool()); I read the Android documentation link and I still don't understand what it does clearly. Can someone explain to me its use and when to use it? 回答1: setRecycledViewPool(...) can be useful when we have a nested RecyclerView. See this blog post for

问题 I am trying to retrieve data from the database to a recyclerview but the only name of an image is showing in the recyclerview. The image is not getting load in image . Here is my code and firebase images. fragmentHealthtips.java package com.example.bbeast.HomeActivity; import android.net.Uri; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.bumptech

问题 I am not able to add image. I downloaded the image and added it to res directory under drawable-mdpi. Then when I try to add the image on the view using imageView, it gives me this error Couldn't resolve resource @drawable/ball01 Failed to convert @drawable/ball01 into a drawable Here is my xml <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/container" android:layout_width="match_parent" android:layout

问题 I am not able to add image. I downloaded the image and added it to res directory under drawable-mdpi. Then when I try to add the image on the view using imageView, it gives me this error Couldn't resolve resource @drawable/ball01 Failed to convert @drawable/ball01 into a drawable Here is my xml <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/container" android:layout_width="match_parent" android:layout

问题 im working on an android app and im dealing with a webview inside of my android app. i have two layout mainly the activitymain.xml found in layout folder and another layout named activitymain.xml found in layout-land folder and im loading these two from 1 java file but i need these two to load two different webview one for landscape and one for portrait.my question is is it possible to directly put the url/file path of my webview in xml so that when the user change orientation and the