</android.support.constraint.ConstraintLayout> 创建Java 和 Kotlin 文件:有一个活动,因此 MainActivity 文件有一个 Java/Kotlin 文件。Java/Kotlin 文件用于 Main Activity,其中 Array Adapter 用于将数据绑定到 spinner。我们将在字符串数组中填充数据并将该数据绑定到微调器。这是代码: Java实现 importandroid.suppor...
Kotlin为了解决这个问题，引进了可空类型，将运行时可能发生异常提前到编译期发现。 Kotlin中有可空类型，...
You can implementPowerSpinnerViewin your XML layout as the below example. You can usePowerSpinnerViewsame asTextView. For instance, you can set the default text with thehintandtextColorHintattributes.. <com.skydoves.powerspinner.PowerSpinnerViewandroid:layout_width="match_parent"android:layout_height=...
所以用String.valueOf()，这里再啰嗦几句，在String类型的转化问题上，String.valueOf()效率最高，因为...
Example See the example project in the repo for a quick demo API Spinner has several useful parameters. You can see them used in the example file duration: change the duration of the animation animationSpeed: change how fast the animation moves and what index the animation lands on spinDirec...
You can implement PowerSpinnerView in your XML layout as the below example. You can use PowerSpinnerView same as TextView. For instance, you can set the default text with the hint and textColorHint attributes..<com.skydoves.powerspinner.PowerSpinnerView android:layout_width="match_parent" android...
You can implement PowerSpinnerView in your XML layout as the below example. You can use PowerSpinnerView same as TextView. For instance, you can set the default text with the hint and textColorHint attributes..<com.skydoves.powerspinner.PowerSpinnerView android:layout_width="match_parent" android...