android

英文: not working addOnSuccessListener for multiple image uploading on firebase. i.e. entering in addO...

英文: Android app - save sensor data to local file 问题 package pervasive_recorder; import java.util.Dat...

英文: java null object reference error / I want my TextView changes color and text when I click the bu...

英文: Android default button color 问题 themse.xml: <resources xmlns:tools="http://schemas.androi...

英文: How to make Array List Button with ViewPager with OnClickListener? 问题 view.setOnClickListener(ne...

英文: Message Bubble Custom Drawable 问题 我将在下方分享一张图片，我想在原生安卓中开发类似于图片中的消息气泡。我已经在自定义可绘制的 XML 代码中编写了一些代码，请...

英文: (Android) What are these variable? 问题 //检索数值 Set<String> set = myScores.getStringSet("...

英文: I am trying to run the app on my Android 10 device and the following error is shown - minSdk(API...

英文: CardView background blur and transparent? Android Studio 问题 <?xml version="1.0" encod...

英文: Why does my Timer crashes my android activity when I stop it? 问题 我正在尝试制作一个切换按钮，可以停止和重新启动计时器（Time...