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 hide(Activity activity) { View view = activity.getCurrentFocus(); if (view != null) { InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(view.getWindowToken(), 0); } } }