1.1.0

keybordlib/src/main/java/com/king/keyboard/KingKeyboardUtil.kt

@@ -0,0 +1,55 @@
+package com.king.keyboard
+
+import android.content.Context
+import android.util.SparseArray
+import android.view.View
+import android.view.inputmethod.InputMethodManager
+import androidx.annotation.RequiresApi
+
+/**
+ * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
+ */
+
+/**
+ * 判断是否是小写字母
+ */
+fun Char.isLowerCase(c: Char): Boolean{
+    return c.toInt() in 97..122
+}
+
+/**
+ * 判断是否是大写字母
+ */
+fun Char.isUpperCase(c: Char): Boolean{
+    return c.toInt() in 65..90
+}
+
+/**
+ * 显示系统输入法
+ */
+fun View.showSystemInputMethod(){
+    val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+    imm.showSoftInput(this,InputMethodManager.SHOW_IMPLICIT)
+}
+
+/**
+ * 隐藏系统输入法
+ */
+fun View.hideSystemInputMethod(){
+    val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+    imm.hideSoftInputFromWindow(windowToken,0)
+}
+
+var View.isVisible: Boolean
+    get() = visibility == View.VISIBLE
+    set(value) {
+        visibility = if (value) View.VISIBLE else View.GONE
+    }
+
+/** Returns true if the collection contains [key]. */
+@RequiresApi(16)
+fun <T> SparseArray<T>.containsKey(key: Int) = indexOfKey(key) >= 0
+
+/** Allows the use of the index operator for storing values in the collection. */
+@RequiresApi(16)
+operator fun <T> SparseArray<T>.set(key: Int, value: T) = put(key, value)