vizhen

/**
     * 文件大小格式转换
     * @param fileS 文件大小
     * @return 文件大小
     */
    public static String FormatFileSize(long fileS)
    {
        // 转换文件大小
        DecimalFormat df = new DecimalFormat("#.00");
        String fileSizeString = "";

vizhen

把 1.txt 从 gbk 转成 utf-8 并保存为 2.txt
 
iconv -f gbk -t utf-8 1.txt > 2.txt

vizhen

<receiver
       android:name="com.talentstech.mediaboardusbupdate.DiskMountReceiver">
            <intent-filter >
                <action android:name="android.intent.action.MEDIA_MOUNTED"/>
                <action android:name="android.intent.action.MEDIA_BAD_REMOVAL"/>
                <action android:name="android.intent.action.MEDIA_EJECT"/>
                <action android:name="android.intent.action.MEDIA_REMOVED"/>
                <data android:scheme="file"/>  
            </intent-filter>
        </receiver>

vizhen

package com.thoughtmonkeys.pitstop;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.RectF;
import android.os.Build;
import android.text.Layout.Alignment;
import android.text.StaticLayout;
import android.text.TextPaint;

vizhen

/*
 * Copyright (C) 2014 skyfish.jy@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

vizhen

$su
#setprop service.adb.tcp.port 5555
#stop adbd
#start adbd

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PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
pm.goToSleep(SystemClock.uptimeMillis());

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Shader shader = new LinearGradient(0, 0, 0, 100, Color.BLUE, Color.GREEN, Shader.TileMode.REPEAT);
textView.getPaint().setShader(shader);

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public static Bitmap convertToBlur(Bitmap bmp) {
// 高斯矩阵
int[] gauss = new int[] { 1, 2, 1, 2, 4, 2, 1, 2, 1 };

int width = bmp.getWidth();
int height = bmp.getHeight();
Bitmap newBmp = Bitmap.createBitmap(width, height,
Bitmap.Config.RGB_565);

int pixR = 0;

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public String GetCharset(File file) {
        String charset = "GBK";
        byte[] first3Bytes = new byte[3];
        try {
            boolean checked = false;
            BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
            bis.mark(0);
            int read = bis.read(first3Bytes, 0, 3);
            if (read == -1)
                return charset;