EventUtil.java

package com.zcy.ghost.vivideo.utils;

import android.content.Context;
import android.support.design.widget.Snackbar;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.Toast;

import java.math.BigDecimal;

/**
 * Description:
 * Creator: yxc
 * date: $date $time
 */
public class EventUtil {
    protected static long lastClickTime;

    /**
     * 防止重复点击
     *
     * @return 是否重复点击
     */
    public static boolean isFastDoubleClick() {
        long time = System.currentTimeMillis();
        long timeD = time - lastClickTime;
        if (0 < timeD && timeD < 800) {
            return true;
        }
        lastClickTime = time;
        return false;
    }

    public static void showToast(Context context, String content) {
        Toast.makeText(context, content, Toast.LENGTH_SHORT).show();
    }

    public static void showToast(Context context, int res) {
        Toast.makeText(context, res, Toast.LENGTH_SHORT).show();
    }

    public static void showSnackbar(View view, String msg) {
        Snackbar.make(view, msg, Snackbar.LENGTH_SHORT).show();
    }

    public static void showSnackbar(View view, int res) {
        Snackbar.make(view, res, Snackbar.LENGTH_SHORT).show();
    }

//    file.lengthz转单位
    public static String getFormatSize(double size) {
        double kiloByte = size / 1024;
        if (kiloByte < 1) {
            return size + "Byte(s)";
        }

        double megaByte = kiloByte / 1024;
        if (megaByte < 1) {
            BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
            return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
        }

        double gigaByte = megaByte / 1024;
        if (gigaByte < 1) {
            BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
            return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
        }

        double teraBytes = gigaByte / 1024;
        if (teraBytes < 1) {
            BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
            return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
        }
        BigDecimal result4 = new BigDecimal(teraBytes);
        return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
    }

    public static void openInputKeyBoard(Context mContext, EditText mEditText){
        InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.showSoftInput(mEditText, InputMethodManager.RESULT_SHOWN);
        imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY);
    }

    public static void closeInputKeyBoard(Context mContext, EditText mEditText){
        InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(mEditText.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
    }
}