/*
*
* AssetsManager.java
*
* Created by Wuwang on 2016/11/8
* Copyright © 2016年 深圳哎吖科技. All rights reserved.
*/
package com.aiyaapp.camera.sdk.base;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.AssetManager;
import android.os.Environment;
/**
* Description:
*/
public class Assets {
private AssetManager mManager;
private String rootDir;
private Context mContext;
public Assets(Context context, String rootDir) {
this.mContext=context;
this.mManager = context.getAssets();
this.rootDir = rootDir;
}
public Assets(Context context) {
this(context,context.getFilesDir().getAbsolutePath());
}
//Todo 后面model_sticker的文件不应该放到assets文件夹下，利用外部加载的方式
public boolean doCopy() {
boolean a=copyForVisage();
if(!a){
Log.e("check visage data error");
}
// if(!new File(getSD()+"/AiyaCamera/model_sticker").exists()||isCopyRes()){
// deleteFile(getSD()+"/AiyaCamera/model_sticker");
// boolean b=copyForSticker();
// if(!b){
// Log.e("copy sticker data error");
// }else{
// markCopyRes(true);
// }
//// else{
//// File sdSourceFile=new File(getSD()+"/AiyaCamera/model_sticker");
//// if(!sdSourceFile.exists()){
//// sdSourceFile.mkdirs();
//// copyFolder(rootDir+"/model_sticker",sdSourceFile.getAbsolutePath());
//// }
//// }
// }
return a;
}
//为Visage准备资源文件
private boolean copyForVisage() {
Log.d("check data for visage");
return copyFileFromAssets("trackerdata", rootDir);
}
private boolean copyForSticker(){
Log.d("check data for sticker");
return copyFileFromAssets("modelsticker",getSD()+"/AiyaCamera/model_sticker");
}
private void deleteFile(String path){
File file=new File(path);
if(file.exists()){
if(file.isFile()){
boolean b=file.delete();
if(!b){
Log.d("delete file error:"+path);
}
}else{
String[] fileList=file.list();
for (String fp:fileList){
deleteFile(path+File.separator+fp);
}
boolean b=file.delete();
if(!b){
Log.d("delete file error:"+path);
}
}
}
}
//递归复制assets文件到指定目录
private boolean copyFileFromAssets(String src, String dst) {
try {
String[] files = mManager.list(src);
if (files.length > 0) { //如果是文件夹
File folder = new File(dst);
if(!folder.exists()){
boolean b = folder.mkdirs();
Log.d("create folder : "+dst);
if (!b) {
Log.e("create folder failed:" + dst);
return false;
}
}
for (String fileName : files) {
if (!copyFileFromAssets(src + File.separator + fileName, dst +
File.separator + fileName)) {
return false;
}
}
} else { //如果是文件
if(!copyAssetsFile(src, dst)){
return false;
}
}
} catch (IOException e) {
Log.e(e.getMessage());
return false;
}
return true;
}
//文件不存在，则复制assets中文件
private boolean copyAssetsFile(String src, String dst) {
InputStream in;
OutputStream out;
try {
File file = new File(dst);
if (!file.exists()) {
Log.d("copy File : "+dst);
in = mManager.open(src);
out = new FileOutputStream(dst);
byte[] buffer = new byte[4 * 1024];
int read;
while ((read = in.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
out.flush();
out.close();
in.close();
}else{
Log.d("file exits : " +dst);
}
} catch (Exception e) {
Log.e(e.getMessage());
return false;
}
return true;
}
/**
* 复制单个文件
* @param oldPath String 原文件路径 如：c:/fqf.txt
* @param newPath String 复制后路径 如：f:/fqf.txt
* @return boolean
*/
private void copyFile(String oldPath, String newPath) {
try {
int bytesum = 0;
int byteread = 0;
File oldfile = new File(oldPath);
if (oldfile.exists()) { //文件存在时
InputStream inStream = new FileInputStream(oldPath); //读入原文件
FileOutputStream fs = new FileOutputStream(newPath);
byte[] buffer = new byte[1444];
int length;
while ( (byteread = inStream.read(buffer)) != -1) {
bytesum += byteread; //字节数 文件大小
System.out.println(bytesum);
fs.write(buffer, 0, byteread);
}
inStream.close();
}
}
catch (Exception e) {
System.out.println("复制单个文件操作出错");
e.printStackTrace();
}
}
/**
* 复制整个文件夹内容
* @param oldPath String 原文件路径 如：c:/fqf
* @param newPath String 复制后路径 如：f:/fqf/ff
* @return boolean
*/
private void copyFolder(String oldPath, String newPath) {
try {
(new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹
File a=new File(oldPath);
String[] file=a.list();
File temp=null;
for (int i = 0; i < file.length; i++) {
if(oldPath.endsWith(File.separator)){
temp=new File(oldPath+file[i]);
}
else{
temp=new File(oldPath+File.separator+file[i]);
}
if(temp.isFile()){
FileInputStream input = new FileInputStream(temp);
FileOutputStream output = new FileOutputStream(newPath + "/" +temp.getName());
byte[] b = new byte[1024 * 5];
int len;
while ( (len = input.read(b)) != -1) {
output.write(b, 0, len);
}
Log.d("copy to sd:"+newPath);
output.flush();
output.close();
input.close();
}
if(temp.isDirectory()){//如果是子文件夹
copyFolder(oldPath+"/"+file[i],newPath+"/"+file[i]);
}
}
}
catch (Exception e) {
System.out.println("复制整个文件夹内容操作出错");
e.printStackTrace();
}
}
private String getSD(){
return Environment.getExternalStorageDirectory().getAbsolutePath();
}
}