androidx

问题 How should I pass in null as default value for a String argument such as this: <argument android:name="profile_id" android:defaultValue="???" app:argType="string" app:nullable="true" /> If the argument is nullable there should be a way to pass in null right? 回答1: Turns out the good old @null works <argument android:name="profile_id" android:defaultValue="@null" app:argType="string" app:nullable="true" /> 来源： https://stackoverflow.com/questions/53661394/how-to-set-null-as-the-default-value-for

问题 How should I pass in null as default value for a String argument such as this: <argument android:name="profile_id" android:defaultValue="???" app:argType="string" app:nullable="true" /> If the argument is nullable there should be a way to pass in null right? 回答1: Turns out the good old @null works <argument android:name="profile_id" android:defaultValue="@null" app:argType="string" app:nullable="true" /> 来源： https://stackoverflow.com/questions/53661394/how-to-set-null-as-the-default-value-for

问题 The Jetifier tool is used as part of the AndroidX migration tool bundled with Android Studio. There is an issue with the tool, however, that is outlined here: https://issuetracker.google.com/issues/113224601. The error message looks like this when running the Jetifier on certain libraries (one particular library keeps popping up for multiple users: org.eclipse.jdt.core ): Failed to transform '/path/to/library/org.eclipse.jdt.core-3.10.0.jar' using Jetifier. Reason: The type does not support '

问题 I am trying out compose which is a new feature in Andorid jetpack. Below is my code. I am adding buildfeatures in build.gradle file of app, not in the root folder. android { compileSdkVersion compileSDKVer buildToolsVersion buildToolsVer defaultConfig { applicationId "com.sample.slothyhacker.jetpackcompose" minSdkVersion minSdkVer targetSdkVersion targetSdkVer versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } buildTypes { release {

问题 I am trying out compose which is a new feature in Andorid jetpack. Below is my code. I am adding buildfeatures in build.gradle file of app, not in the root folder. android { compileSdkVersion compileSDKVer buildToolsVersion buildToolsVer defaultConfig { applicationId "com.sample.slothyhacker.jetpackcompose" minSdkVersion minSdkVer targetSdkVersion targetSdkVer versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } buildTypes { release {

问题 Is it possible to enable-disable swiping in new android viewpager2 component? 回答1: Now it is possible to enable-disable swiping viewpager2 using Version 1.0.0-alpha02 Use implementation 'androidx.viewpager2:viewpager2:1.0.0-alpha02' Version 1.0.0-alpha02 New features Ability to disable user input ( setUserInputEnabled , isUserInputEnabled ) API changes ViewPager2 class final Bug fixes FragmentStateAdapter stability fixes SAMPLE CODE to disable swiping in viewpager2 myViewPager2

问题 What approach should be taken to preserve (data & view rendering) of recyclerview list in 2 tabs present within a fragment, which is part of androidx.navigation NavController ? Activity --> Fragment A --> Fragment B (with 2 tabs) --> Fragment C (and back till activity) Each tab of Fragment B has accordion type view (multiple active), made from 1 ParentRecycler view & ChildRecycler view (number of parent recycler view times) (The recycler view list are not bound to change on previous next

问题 What approach should be taken to preserve (data & view rendering) of recyclerview list in 2 tabs present within a fragment, which is part of androidx.navigation NavController ? Activity --> Fragment A --> Fragment B (with 2 tabs) --> Fragment C (and back till activity) Each tab of Fragment B has accordion type view (multiple active), made from 1 ParentRecycler view & ChildRecycler view (number of parent recycler view times) (The recycler view list are not bound to change on previous next

问题 I want to download certain files from the server at the start of the app .So I tried using Work Manager which gets enqueued from my custom Application class.But the Worker class is not getting triggered and the state is only ENQUEUED and not going to RUNNING .Below is my code: Application class: @Override public void onCreate() { Constraints constraints = new Constraints.Builder() .setRequiredNetworkType(NetworkType.CONNECTED) //.setRequiresStorageNotLow(true) //.setRequiresBatteryNotLow(true

问题 I want to download certain files from the server at the start of the app .So I tried using Work Manager which gets enqueued from my custom Application class.But the Worker class is not getting triggered and the state is only ENQUEUED and not going to RUNNING .Below is my code: Application class: @Override public void onCreate() { Constraints constraints = new Constraints.Builder() .setRequiredNetworkType(NetworkType.CONNECTED) //.setRequiresStorageNotLow(true) //.setRequiresBatteryNotLow(true