Aaron - FileBrowser.java

package org.IRE.toolbox;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;

import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class FileBrowser extends ListActivity {
    private enum DISPLAYMODE{ ABSOLUTE, RELATIVE; }

    private final DISPLAYMODE displayMode = DISPLAYMODE.ABSOLUTE;
    private List<String> directoryEntries = new ArrayList<String>();
    private File currentDirectory = new File("/");




    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu_button_infile, menu);
        return true;
    }
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()){
        case R.id.Main:
            Intent myIntent = new Intent(getApplicationContext(), Controller.class);
            startActivityForResult(myIntent, 0);
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }



    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
    browseToIreFoler();

    }
    private void browseToIreFoler() {
        File sdCard = Environment.getExternalStorageDirectory();
         File dir = new File(sdCard.getAbsolutePath() +"/IRE/Downloads");
        browseTo(dir);
}
      private void browseTo(final File aDirectory){
          if (aDirectory.isDirectory()){
                  this.currentDirectory = aDirectory;
                  fill(aDirectory.listFiles());
          }
      }
      private void fill(File[] files) {
          this.directoryEntries.clear();

          // Add the "." == "current directory"
          // and the ".." == 'Up one level'
          this.directoryEntries.add(getString(R.string.current_dir));
          if(this.currentDirectory.getParent() != null)
                  this.directoryEntries.add(getString(R.string.up_one_level));

          switch(this.displayMode){
                  case ABSOLUTE:
                          for (File file : files){
                                  this.directoryEntries.add(file.getPath());
                          }
                          break;
                  case RELATIVE: // On relative Mode, we have to add the current-path to the beginning
                          int currentPathStringLenght = this.currentDirectory.getAbsolutePath().length();
                          for (File file : files){
                                  this.directoryEntries.add(file.getAbsolutePath().substring(currentPathStringLenght));
                          }
                          break;
          }
          ArrayAdapter<String> directoryList = new ArrayAdapter<String>(this,
                  R.layout.file_row, this.directoryEntries);

  this.setListAdapter(directoryList);

}
      private void upOneLevel(){
          if(this.currentDirectory.getParent() != null)
                  this.browseTo(this.currentDirectory.getParentFile());
  }
     @Override
      protected void onListItemClick(ListView l, View v, int position, long id) {
              int selectionRowID = (int) this.getSelectedItemId();

              String selectedFileString = this.directoryEntries.get(selectionRowID);
              if (selectedFileString.equals(".")) {
                      // Refresh
                      this.browseTo(this.currentDirectory);
              } else if(selectedFileString.equals("..")){
                      this.upOneLevel();
              } else {
                      File clickedFile = null;
                      switch(this.displayMode){
                              case RELATIVE:
                                      clickedFile = new File(this.currentDirectory.getAbsolutePath()
                                                                                              + this.directoryEntries.get(selectionRowID));
                                      break;
                              case ABSOLUTE:
                                      clickedFile = new File(this.directoryEntries.get(selectionRowID));
                                      break;
                      }
                      if(clickedFile != null){

                          String end = clickedFile.getName().substring(clickedFile.getName().lastIndexOf(".")+1, clickedFile.getName().length()).toLowerCase();
                             // this.browseTo(clickedFile)
                      Log.d("CLICKED_FILE", clickedFile.toString());
                      Log.d("CLICKED_FILE", end);
                      if(end.equalsIgnoreCase("zip")){
                          Runtime run = Runtime.getRuntime();
                          Process p = null;
                          DataOutputStream out = null;
                          try{
                              p = run.exec("su");
                              out = new DataOutputStream(p.getOutputStream());
                              out.writeBytes("echo install_zip SDCARD:" +clickedFile.toString() +" > /cache/recovery/extendedcommand\n");
                              out.writeBytes("reboot recovery\n"); // testing
                              out.flush();

                          }catch(Exception e){
                              Log.e("FLASH", "Unable to reboot into recovery mode:", e);
                              e.printStackTrace();

                          }
                      }

              }




      }
     }
}