Java tutorial
//package com.java2s; import android.app.Activity; import android.content.Context; import android.view.View; import android.view.inputmethod.InputMethodManager; public class Main { public static void hideSoftKeyboard(Activity activity) { InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE); View currentFocus = activity.getCurrentFocus(); if (currentFocus != null) { imm.hideSoftInputFromWindow(currentFocus.getWindowToken(), 0); } } }