kotlin

问题 I am getting Duplicate class com.google.protobuf.AbstractMessageLite found in modules jetified-protobuf-javalite-3.11.0.jar (com.google.protobuf:protobuf-javalite:3.11.0) and jetified-protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1). I have not seen an answer that clears up my issue. I appreciate any assistance. apply plugin: 'com.android.application' apply plugin: 'idea' apply plugin: 'io.fabric' apply plugin: 'kotlin-android' apply plugin: 'kotlin-kapt' apply plugin:

问题 I am getting Duplicate class com.google.protobuf.AbstractMessageLite found in modules jetified-protobuf-javalite-3.11.0.jar (com.google.protobuf:protobuf-javalite:3.11.0) and jetified-protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1). I have not seen an answer that clears up my issue. I appreciate any assistance. apply plugin: 'com.android.application' apply plugin: 'idea' apply plugin: 'io.fabric' apply plugin: 'kotlin-android' apply plugin: 'kotlin-kapt' apply plugin:

问题 How should I proceed when I want to generate table from list of lists which contains only strings(ex. data from csv). Names of columns don't matter. From all examples provided I saw only binding table items to specific model(which doesn't fit there as I have unknown number and names of columns). 回答1: If you already know the column names and data type, I would suggest to hard code that. If you know nothing about the format and simply want to create a TableView with completely dynamic columns,

问题 I'm having some difficulty working with Android's MediaSession. I've been working on a prototype radio application that should stream from a url. So far I've got it working with a foreground service that gets controlled from a button in the home screen. The audio continues out width the app as expected however I have a notification that either shows a play or stop button depending on the playback state. My issue is that this button does not work. I've detected that onStartCommand is getting

问题 I get Application terminated after click and I don't know where I must type the order of click in adapter or in fragment of RecyclerView Mainadapter.kt class ContentAdapter( private val activity: MainActivity, private var listOfData: ArrayList<MainMarketTickClass> ) : RecyclerView.Adapter<ContentAdapter.ViewHolder>(), View.OnClickListener { override fun onClick(v: View?) { val manager = activity.supportFragmentManager val transaction = manager.beginTransaction() val trs = AddCar() transaction

问题 I want to include jar of Java to Kotlin. I tried like below, but I had error. javac -encoding utf-8 javasorce/test/JavaTestClass.java jar cvf javasorce/test/JavaTestClass.jar javasorce/test/JavaTestClass.class kotlinc kotlin/CallJavaTestClass.kt -cp javasorce/test/JavaTestClass.jar -include-runtime -d kotlin/CallJavaTestClass.jar java -jar kotlin/CallJavaTestClass.jar The error is: Exception in thread "main" java.lang.NoClassDefFoundError: javasorce/test/JavaTestClass at CallJavaTestClassKt

问题 How can I create array of buttons in android studio in Kotlin? I've created buttons with their ids in a xml file, now I want to use the same buttons in my Kotlin code as array's elements. I've tried something like this: var buttons: Array<Button> = Array(25) and then: buttons[0] = btn1 // btn1 as the id from xml file However button names from xml don't work in kotlin file, how can I use them? 回答1: Supposed you have a layout like this: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns

问题 How can I create array of buttons in android studio in Kotlin? I've created buttons with their ids in a xml file, now I want to use the same buttons in my Kotlin code as array's elements. I've tried something like this: var buttons: Array<Button> = Array(25) and then: buttons[0] = btn1 // btn1 as the id from xml file However button names from xml don't work in kotlin file, how can I use them? 回答1: Supposed you have a layout like this: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns

问题 I am retrieving cell information data ( CellInfo ) from TelephonyManager For each cell info object, I am querying for mcc (Mobile Country Code) and mnc (Mobile Network Code) via eachCellInfo.cellIdentity.mcc eachCellInfo.cellIdentity.mnc Where eachCellInfo is an object of CellInfo The function is deprecated as per the doc: /** * @return 2 or 3-digit Mobile Network Code, 0..999, Integer.MAX_VALUE if unknown * @deprecated Use {@link #getMncString} instead. */ @Deprecated public int getMnc() {

问题 I am retrieving cell information data ( CellInfo ) from TelephonyManager For each cell info object, I am querying for mcc (Mobile Country Code) and mnc (Mobile Network Code) via eachCellInfo.cellIdentity.mcc eachCellInfo.cellIdentity.mnc Where eachCellInfo is an object of CellInfo The function is deprecated as per the doc: /** * @return 2 or 3-digit Mobile Network Code, 0..999, Integer.MAX_VALUE if unknown * @deprecated Use {@link #getMncString} instead. */ @Deprecated public int getMnc() {