InputUtils.java

package com.dh.foundation.utils;

import android.content.Context;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

import java.util.Timer;
import java.util.TimerTask;

/**
 * 系统键盘管理者
 * Created by Yang on 14-4-26.
 */
public class InputUtils {
    /**
     * 隐藏虚拟键盘
     *
     * @param v
     */
    public static void hideKeyboard(View v) {
        InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        if (imm.isActive()) {
            imm.hideSoftInputFromWindow(v.getApplicationWindowToken(), 0);
        }
    }

    /**
     * 显示虚拟键盘
     *
     * @param v
     */
    public static void showKeyboard(View v) {
        InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);

        imm.showSoftInput(v, InputMethodManager.SHOW_FORCED);

    }

    //强制显示或者关闭系统键盘
    public static void keyBoard(final EditText txtSearchKey, final String status) {

        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                InputMethodManager m = (InputMethodManager)
                        txtSearchKey.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
                if (status.equals("open")) {
                    m.showSoftInput(txtSearchKey, InputMethodManager.SHOW_FORCED);
                } else {
                    m.hideSoftInputFromWindow(txtSearchKey.getWindowToken(), 0);
                }
            }
        }, 300);
    }

    //通过定时器强制隐藏虚拟键盘
    public static void timerHideKeyboard(final View v) {
        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
                if (imm.isActive()) {
                    imm.hideSoftInputFromWindow(v.getApplicationWindowToken(), 0);
                }
            }
        }, 10);
    }

    //输入法是否显示着
    public static boolean keyBoard(EditText edittext) {
        boolean bool = false;
        InputMethodManager imm = (InputMethodManager) edittext.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        if (imm.isActive()) {
            bool = true;
        }
        return bool;
    }

    /**
     * 设置键盘隐藏机制<br/>
     * 效果：点击输入框外的区域隐藏输入法软键盘<br>
     * 前提，当前界面不能有控件设置onTouchListener
     */
    public static void setupUISoftKeyBoardHideSystem(final View view) {

        //Set up touch listener for non-text box views to hide keyboard.
        if (!(view instanceof EditText)) {

            view.setOnTouchListener(new View.OnTouchListener() {
                public boolean onTouch(View v, MotionEvent event) {
                    if (event.getAction() == MotionEvent.ACTION_DOWN) {
                        hideKeyboard(v);
                    }
                    return false;
                }

            });
        }


        //If a layout container, iterate over children and seed recursion.

        if (view instanceof ViewGroup) {

            for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
                View innerView = ((ViewGroup) view).getChildAt(i);
                setupUISoftKeyBoardHideSystem(innerView);
            }

        }
    }
}