軟鍵盤工具

package com.warmlight.voicepacket.utils;

import android.app.Activity;
import android.content.Context;
import android.graphics.Rect;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

public class KeyboardUtils {


    /**
     * 是否有顯示鍵盤
     *
     * @param activity 活動
     * @return 是否有顯示鍵盤
     */
    public static boolean isSoftShowing(Activity activity) {
        //獲取當前屏幕內容的高度
        int screenHeight = activity.getWindow().getDecorView().getHeight();
        //獲取View可見區域的bottom
        Rect rect = new Rect();
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);

        return screenHeight - rect.bottom != 0;
    }

    /**
     * 判斷軟鍵盤是否彈出
     */
    public static boolean isSHowKeyboard(Context context, View v) {
        InputMethodManager imm = (InputMethodManager) context.getSystemService(context.INPUT_METHOD_SERVICE);
        if (imm.hideSoftInputFromWindow(v.getWindowToken(), 0)) {
            imm.showSoftInput(v, 0);
            return true;
            //軟鍵盤已彈出
        } else {
            return false;
            //軟鍵盤未彈出
        }
    }

    /**
     * 打卡軟鍵盤
     *
     * @param mEditText 輸入框
     * @param mContext 上下文
     */
    public static void openKeybord(EditText mEditText, Context mContext)
    {
        InputMethodManager imm = (InputMethodManager) mContext
                .getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.showSoftInput(mEditText, InputMethodManager.RESULT_SHOWN);
        imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,
                InputMethodManager.HIDE_IMPLICIT_ONLY);
    }

    /**
     * 關閉軟鍵盤
     *
     * @param mEditText  輸入框
     * @param mContext 上下文
     */
    public static void closeKeybord(EditText mEditText, Context mContext)
    {
        InputMethodManager imm = (InputMethodManager) mContext
                .getSystemService(Context.INPUT_METHOD_SERVICE);

        imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0);
    }


    /**
     * 強制隱藏鍵盤
     *
     * @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);
        }
    }

    /***
     * 顯示虛擬鍵盤
     *
     * @param v
     */
    public static void ShowKeyboard(View v) {
        InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.showSoftInput(v, InputMethodManager.SHOW_FORCED);
    }

    /*
     * 打開輸入法面板
     */
    public static void showInputMethod(final Activity activity){
        if(activity == null)return;
        InputMethodManager inputMethodManager = ((InputMethodManager)activity.getSystemService(
                Activity.INPUT_METHOD_SERVICE));
        if(activity.getCurrentFocus() != null){
            inputMethodManager.showSoftInput(activity.getCurrentFocus(), 0);
        }
    }

    /*
     * 關閉輸入法面板
     */
    public static void hideInputMethod(final Activity activity){
        if(activity == null)return;
        InputMethodManager inputMethodManager = ((InputMethodManager)activity.getSystemService(
                Activity.INPUT_METHOD_SERVICE));
        if(activity.getCurrentFocus() != null){
            inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus()
                    .getWindowToken(), 0);
        }
    }

    /*
     * 切換軟鍵盤顯示狀態
     */
    public static void setInputMethodVisibility(Context context, EditText editText, boolean visible){
        if (context == null || editText == null) {
            return;
        }
        InputMethodManager imm = (InputMethodManager) context
                .getSystemService(Context.INPUT_METHOD_SERVICE);
        if (visible) {
            imm.toggleSoftInput(InputMethodManager.RESULT_UNCHANGED_SHOWN,
                    InputMethodManager.HIDE_NOT_ALWAYS);
        } else {
            imm.hideSoftInputFromWindow(editText.getWindowToken(),
                    InputMethodManager.HIDE_NOT_ALWAYS);
        }
        editText.setTag(visible);
    }

}