Mega Code Archive
Transfers required files to the the private file system part in order to be access them from C Code
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//package edu.dhbw.andar.util;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.content.res.AssetFileDescriptor;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.text.GetChars;
public class IO {
/**
* transfers required files to the the private file system part
* in order to be access them from C Code.
* required, as you can not access the files of the apk package directly
*/
public static void transferFilesToPrivateFS(File base, Resources res) throws IOException {
AssetManager am = res.getAssets();
if (!base.exists()) {
base.mkdir();
}
if (base.exists()) {
File cameraFile = new File(base, "camera_para.dat");
if (!cameraFile.exists()) {
copy(am.open("camera_para.dat"), new FileOutputStream(cameraFile));
}
}
}
/**
*
* @param base
* @param assetFileName filename of the file in the assets folder
* @param res
* @throws IOException
*/
public static void transferFileToPrivateFS(File base, String assetFileName,Resources res) throws IOException {
AssetManager am = res.getAssets();
if (!base.exists()) {
base.mkdir();
}
if (base.exists()) {
File file = new File(base, assetFileName);
if (!file.exists()) {
copy(am.open(assetFileName), new FileOutputStream(file));
}
}
}
static void copy( InputStream in, OutputStream out ) throws IOException
{
byte[] buffer = new byte[ 0xFFFF ];
for ( int len; (len = in.read(buffer)) != -1; )
out.write( buffer, 0, len );
}
}
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