res/layout/row.xml
?
<?xml version="1.0" encoding="utf-8"?>
<TextView
? xmlns:android="http://schemas.android.com/apk/res/android"
? android:id="@+id/rowtext"
? android:layout_width="fill_parent"
???? android:layout_height="25px"
???? android:textSize="23sp" />
?
/res/layout/main.xml?
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" ><TextView android:id="@+id/path" android:layout_width="fill_parent" android:layout_height="wrap_content" /><ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content" /><TextView android:id="@android:id/empty" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="No Data" /></LinearLayout>
/res/layout/jpgdialog.xml
?
<?xml version="1.0" encoding="UTF-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layout_root" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:paddingLeft="10dip" android:paddingRight="10dip" > <TextView android:id="@+id/text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="11sp" /> /> <ImageView android:id="@+id/image" android:layout_width="150px" android:layout_height="150px" /> <Button android:id="@+id/okdialogbutton" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="OK" /></LinearLayout>import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.ExifInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class AndroidExplorer extends ListActivity {
static final int ID_JPGDIALOG = 0;
String filename;
String exifAttribute;
TextView exifText;
ImageView bmImage;
BitmapFactory.Options bmOptions;
File jpgFile;
Dialog jpgDialog;
private List<String> item = null;
private List<String> path = null;
private String root="/";
private TextView myPath;
??? /** Called when the activity is first created. */
??? @Override
??? public void onCreate(Bundle savedInstanceState) {
??????? super.onCreate(savedInstanceState);
??????? setContentView(R.layout.main);
??????? myPath = (TextView)findViewById(R.id.path);
??????? getDir(root);
??? }
???
??? private void getDir(String dirPath)
??? {
???? myPath.setText("Location: " + dirPath);
????
???? item = new ArrayList<String>();
???? path = new ArrayList<String>();
????
???? File f = new File(dirPath);
???? File[] files = f.listFiles();
????
???? if(!dirPath.equals(root))
???? {
????? item.add(root);
????? path.add(root);
?????
????? item.add("../");
????? path.add(f.getParent());
???????????
???? }
????
???? for(int i=0; i < files.length; i++)
???? {
?????? File file = files[i];
?????? path.add(file.getPath());
?????? if(file.isDirectory())
??????? item.add(file.getName() + "/");
?????? else
??????? item.add(file.getName());
???? }
???? ArrayAdapter<String> fileList =
????? new ArrayAdapter<String>(this, R.layout.row, item);
???? setListAdapter(fileList);
??? }
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
?
? File file = new File(path.get(position));
?
? if (file.isDirectory())
? {
?? if(file.canRead())
??? getDir(path.get(position));
?? else
?? {
??? new AlertDialog.Builder(this)
??? .setIcon(R.drawable.icon)
??? .setTitle("[" + file.getName() + "] folder can't be read!")
??? .setPositiveButton("OK",
????? new DialogInterface.OnClickListener() {
??????
?????? @Override
?????? public void onClick(DialogInterface dialog, int which) {
??????? // TODO Auto-generated method stub
?????? }
????? }).show();
?? }
? }
? else
? {
?? exifAttribute = null;
?? filename = file.getName();
?? String ext = filename.substring(filename.lastIndexOf('.')+1, filename.length());
?? if(ext.equals("JPG")||ext.equals("jpg"))
?? {
??? try {
???? ExifInterface exif = new ExifInterface(file.toString());
???? exifAttribute = getExif(exif);
??? } catch (IOException e) {
???? // TODO Auto-generated catch block
???? ;
??? }
??? jpgFile = file;
??? showDialog(ID_JPGDIALOG);
?? }
?? else{
??? new AlertDialog.Builder(this)
?????? .setIcon(R.drawable.icon)
?????? .setTitle("[" + filename + "]")
?????? .setMessage(exifAttribute)
?????? .setPositiveButton("OK",
???????? new DialogInterface.OnClickListener() {
?????????
????????? @Override
????????? public void onClick(DialogInterface dialog, int which) {
?????????? // TODO Auto-generated method stub
????????? }
???????? }).show();
?? }
? }
}
??? private String getExif(ExifInterface exif)
??? {
???? String myAttribute=null;
???? myAttribute += getTagString(ExifInterface.TAG_DATETIME, exif);
???? myAttribute += getTagString(ExifInterface.TAG_FLASH, exif);
???? myAttribute += getTagString(ExifInterface.TAG_GPS_LATITUDE, exif);
???? myAttribute += getTagString(ExifInterface.TAG_GPS_LATITUDE_REF, exif);
???? myAttribute += getTagString(ExifInterface.TAG_GPS_LONGITUDE, exif);
???? myAttribute += getTagString(ExifInterface.TAG_GPS_LONGITUDE_REF, exif);
???? myAttribute += getTagString(ExifInterface.TAG_IMAGE_LENGTH, exif);
???? myAttribute += getTagString(ExifInterface.TAG_IMAGE_WIDTH, exif);
???? myAttribute += getTagString(ExifInterface.TAG_MAKE, exif);
???? myAttribute += getTagString(ExifInterface.TAG_MODEL, exif);
???? myAttribute += getTagString(ExifInterface.TAG_ORIENTATION, exif);
???? myAttribute += getTagString(ExifInterface.TAG_WHITE_BALANCE, exif);
???? return myAttribute;
??? }
???
??? private String getTagString(String tag, ExifInterface exif)
??? {
???? return(tag + " : " + exif.getAttribute(tag) + "\n");
??? }
@Override
protected Dialog onCreateDialog(int id) {
? jpgDialog = null;;
? switch(id){
? case ID_JPGDIALOG:
?? Context mContext = this;
?? jpgDialog = new Dialog(mContext);
?? jpgDialog.setContentView(R.layout.jpgdialog);
?? exifText = (TextView) jpgDialog.findViewById(R.id.text);
?? bmImage = (ImageView)jpgDialog.findViewById(R.id.image);
?? bmOptions = new BitmapFactory.Options();
?? bmOptions.inSampleSize = 2;
??
?? Button okDialogButton = (Button)jpgDialog.findViewById(R.id.okdialogbutton);
?? okDialogButton.setOnClickListener(okDialogButtonOnClickListener);
??
?? break;
? default:
?? break;
? }
? return jpgDialog;
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
? // TODO Auto-generated method stub
? switch(id){
? case ID_JPGDIALOG:
?? dialog.setTitle("[" + filename + "]");
?? exifText.setText(exifAttribute);
?? Bitmap bm = BitmapFactory.decodeFile(jpgFile.getPath(), bmOptions);
?? bmImage.setImageBitmap(bm);
??
?? break;
? default:
?? break;
? }
}
???
private Button.OnClickListener okDialogButtonOnClickListener
? = new Button.OnClickListener(){
?? @Override
?? public void onClick(View v) {
??? // TODO Auto-generated method stub
??? jpgDialog.dismiss();
?? }
};
}
?