ViewExtensions: Update

Signed-off-by: Fung <fython@163.com>

Author: fython

kotlinyan-common/src/main/kotlin/moe/feng/kotlinyan/common/ViewExtensions.kt

@@ -10,7 +10,7 @@ import android.view.inputmethod.InputMethodManager
 import android.widget.ImageView
 import kotlin.concurrent.thread
 
-interface ViewExtensions {
+interface ViewExtensions: ServiceExtensions {
 
 	// Find views
 
@@ -24,16 +24,14 @@ interface ViewExtensions {
 	 */
 	fun View.showKeyboard() {
 		this.requestFocus()
-		val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-		imm.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT)
+		context.inputMethodManager.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT)
 	}
 
 	/**
 	 * Hide keyboard when the view is focused.
 	 */
 	fun View.hideKeyboard() {
-		val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-		imm.hideSoftInputFromWindow(windowToken, 0)
+		context.inputMethodManager.hideSoftInputFromWindow(windowToken, 0)
 	}
 
 	// Visibility Methods