Mega Code Archive
Get Bitmap From Name
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//package edu.dhbw.andobjviewer.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
abstract class BaseFileUtil {
protected String baseFolder = null;
/* (non-Javadoc)
* @see edu.dhbw.andobjviewer.util.FileUtilInterface#getBaseFolder()
*/
public String getBaseFolder() {
return baseFolder;
}
/* (non-Javadoc)
* @see edu.dhbw.andobjviewer.util.FileUtilInterface#setBaseFolder(java.io.File)
*/
public void setBaseFolder(String baseFolder) {
this.baseFolder = baseFolder;
}
/**
* get an reader through it's filename
* @param name
* @return may be null, in case of an exception
*/
public abstract BufferedReader getReaderFromName(String name);
/**
* get a bitmap object through an filename.
* @param name
* @return may be null, in case of an exception
*/
public abstract Bitmap getBitmapFromName(String name);
}
public class AssetsFileUtil extends BaseFileUtil {
private AssetManager am;
public AssetsFileUtil(AssetManager am) {
this.am = am;
}
@Override
public Bitmap getBitmapFromName(String name) {
InputStream is = getInputStreamFromName(name);
return (is==null)?null:BitmapFactory.decodeStream(is);
}
@Override
public BufferedReader getReaderFromName(String name) {
InputStream is = getInputStreamFromName(name);
return (is==null)?null:new BufferedReader(new InputStreamReader(is));
}
private InputStream getInputStreamFromName(String name) {
InputStream is;
if(baseFolder != null) {
try {
is = am.open(baseFolder+name);
} catch (IOException e) {
e.printStackTrace();
return null;
}
} else {
try {
is = am.open(name);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
return is;
}
}
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