package com.secondworld.univeralsdk;
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import android.app.Activity;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.AssetManager;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStreamWriter;
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import java.io.Writer;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Created by Administrator on 2018/6/14 0014.
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*/
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public class FileUtil
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{
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private static final String TAG = "H2Engine_FileUtil";
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/**
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* Unity随包资源(StreamingAssets)拷贝至 persistentDataPath 路径下
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*/
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public static void copyAssets(final Activity activity)
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{
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// 判断是否已经执行过
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SharedPreferences _sp = activity.getPreferences(Context.MODE_PRIVATE);
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Boolean _isCopied = hasCopy(activity);
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LogUtil.i(TAG, "是否已经执行过拷贝逻辑: " + _isCopied);
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// 获取当前包的版本号
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final String _currentVer = UniversalUtil.GetVersionName(activity);
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// 已经拷贝过, 则再次判断一次版本号
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// 如果版本号不相同, 则重新进行拷贝
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// 获取本地存储的版本号
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String _installVer = _sp.getString(StaticDefine.LS_KEY_VERSION, "");
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if (!_installVer.equals(_currentVer))
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{
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LogUtil.i(TAG, "版本比较过后发现不同: " + _installVer + " != " + _currentVer);
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SharedPreferences.Editor _editor = _sp.edit();
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// 存储此次的版本信息
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_editor.putString(StaticDefine.LS_KEY_VERSION, _currentVer);
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_editor.apply();
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if (_isCopied)
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{
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// 将本地存储修改为未拷贝过
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deleteRecord(activity);
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_isCopied = false;
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}
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}
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if (_isCopied)
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{
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Map<String, Object> _msg = new HashMap<>();
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_msg.put("code", CodeA2U.AssetCopyFinished);
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UniversalUtil.sendMessageToUnity(_msg);
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return;
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}
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new Thread(new Runnable()
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{
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@Override
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public void run()
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{
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String _dest = activity.getExternalFilesDir("").getAbsolutePath();
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AssetManager _assetMgr = activity.getAssets();
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try
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{
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String[] _fileNames = _assetMgr.list("android");
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if (_fileNames != null)
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{
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for (String _fileName : _fileNames)
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{
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copy(activity, "android" + File.separator + _fileName,
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_dest + File.separator + _fileName);
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}
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}
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recordCopy(activity);
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Map<String, Object> _msg = new HashMap<>();
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_msg.put("code", CodeA2U.AssetCopyFinished);
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UniversalUtil.sendMessageToUnity(_msg);
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} catch (Exception e)
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{
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e.printStackTrace();
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}
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}
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}).start();
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}
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public static void copy(Context context, String fileName)
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{
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String _originalPath = "android" + File.separator + fileName;
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String _destPath = context.getExternalFilesDir(
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"").getAbsolutePath() + File.separator + fileName;
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String _destDir = _destPath.substring(0, _destPath.lastIndexOf('/') + 1);
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File _file = new File(_destDir);
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if(!_file.exists())
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{
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LogUtil.i(TAG,"单独拷贝 => 不存在指定路径: " + _destDir + ", 这里创建...");
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_file.mkdir();
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}
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try
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{
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InputStream _is = context.getAssets().open(_originalPath);
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FileOutputStream _fos = new FileOutputStream(new File(_destPath));
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byte[] _buffer = new byte[1024];
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int _byteCount;
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while ((_byteCount = _is.read(_buffer)) != -1)
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{
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_fos.write(_buffer, 0, _byteCount);
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}
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_fos.flush();
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_is.close();
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_fos.close();
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LogUtil.i("FileUtil", "单独拷贝 => 文件: " + _originalPath + " 已拷贝至: " + _destPath);
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} catch (Exception e)
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{
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e.printStackTrace();
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}
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}
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public static void copy(Context context, String original, String dest)
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{
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try
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{
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String _fileNames[] = context.getAssets().list(original);
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if (_fileNames.length > 0)
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{
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File _dir = new File(dest);
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_dir.mkdir();
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LogUtil.i("FileUtil", "[" + original + "] 是一个文件夹, 创建文件夹: [" + dest + "]");
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for (String _fileName : _fileNames)
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{
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copy(context, original + File.separator + _fileName,
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dest + File.separator + _fileName);
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}
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}
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else
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{
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InputStream _is = context.getAssets().open(original);
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FileOutputStream _fos = new FileOutputStream(new File(dest));
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byte[] _buffer = new byte[1024];
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int _byteCount;
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while ((_byteCount = _is.read(_buffer)) != -1)
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{
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_fos.write(_buffer, 0, _byteCount);
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}
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_fos.flush();
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_is.close();
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_fos.close();
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LogUtil.i("FileUtil", "文件: " + original + " 已拷贝至: " + dest);
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}
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} catch (Exception e)
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{
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e.printStackTrace();
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}
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}
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public static String getFileNameWithoutExtension(String fileName)
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{
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return fileName.substring(0, fileName.lastIndexOf("."));
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}
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private static boolean hasCopy(Context context)
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{
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File _file = new File(context.getExternalFilesDir(""), "/assetCopyFinish.txt");
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return _file.exists();
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}
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private static void deleteRecord(Context context)
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{
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File _file = new File(context.getExternalFilesDir(""), "/assetCopyFinish.txt");
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if (_file.exists())
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{
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_file.delete();
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}
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}
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private static void recordCopy(Context context)
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{
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File _file = new File(context.getExternalFilesDir(""), "/assetCopyFinish.txt");
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try
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{
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FileOutputStream _fos = new FileOutputStream(_file);
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Writer _writer = new OutputStreamWriter(_fos, "UTF-8");
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_writer.write(1);
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_writer.close();
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_fos.close();
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} catch (IOException e)
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{
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e.printStackTrace();
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}
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}
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}
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