Java tutorial
//package com.java2s; //License from project: Apache License import android.app.Activity; import android.content.Context; import android.view.inputmethod.InputMethodManager; public class Main { public static void showKeyBoard(Activity activity) { if (activity != null) { InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE); imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); } } }