Android Open Source - AndFileTranser Show File Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.client;
/*from   ww w. j  a va2  s . com*/
import java.io.File;
import java.util.ArrayList;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

public class ShowFileActivity extends Activity
{
  /** ???? **/
  private final String ROOTPATH = Environment.getExternalStorageDirectory().getPath();
  private ListView mFileListView;
  private File[] mFiles;
  private BrowseFileAdapter mListViewAdpter;
  /** ????? **/
  private String mBackPath = Environment.getExternalStorageDirectory().getPath();
  private Button mRootPathBtn;
  private Button mParentPathBtn;
  private Button mOkBtn;
  /** ?????????????????? **/
  public ArrayList<Boolean> mIsFileList = new ArrayList<Boolean>();
  /** ?????? **/
  public ArrayList<String> mFilesList = new ArrayList<String>();
  /** ????????? **/
  private ArrayList<String> mTransFilesList = new ArrayList<String>();
  private int mIndex = 0;


  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.filelist);
    init();
  }

  /**
   * ?????
   */
  public void init() {
    File file = new File(ROOTPATH);
    checkFiles(file);

    mFileListView = (ListView) findViewById(R.id.listView);
    mListViewAdpter = new BrowseFileAdapter(this, mIsFileList, mFilesList);
    mFileListView.setAdapter(mListViewAdpter);
    mFileListView.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
        if (mFiles[arg2].isDirectory()) {
          File file = new File(mFiles[arg2].getPath());
          mBackPath = file.getParentFile().getPath();
          updateData(file);
        } else {
          mIndex = arg2;
          AlertDialog.Builder dialog = new AlertDialog.Builder(ShowFileActivity.this);
          dialog.setTitle("???????????????");
          dialog.setMessage("???????");
          
          dialog.setPositiveButton("ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
              if (!mTransFilesList.contains(mFiles[mIndex].getPath())) {
                mTransFilesList.add(mFiles[mIndex].getPath());
              }
              Toast.makeText(getBaseContext(), "?????", 0).show();
              ShowFileActivity.this.setTitle(mTransFilesList.size() + "?????");
            }
          });      
          dialog.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
            }
          });
          dialog.create();
          dialog.show();
        }
      }
    });

    mRootPathBtn = (Button) findViewById(R.id.btn_root);
    mRootPathBtn.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        File file = new File(ROOTPATH);
        updateData(file);
      }
    });
    
    mParentPathBtn = (Button) findViewById(R.id.btn_upLevel);
    mParentPathBtn.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        File file = new File(mBackPath);
        if (!mBackPath.endsWith(ROOTPATH)) {
          mBackPath = file.getParentFile().getPath();
        }
        updateData(file);
      }
    });
    
    mOkBtn=(Button) findViewById(R.id.btn_ok);
    mOkBtn.setOnClickListener(new View.OnClickListener() {    
      @Override
      public void onClick(View v) {
        Intent intent=getIntent();
        intent.putStringArrayListExtra("files", mTransFilesList);
        setResult(0, intent);
        finish();    
      }
    });
    
    
  }

  /**
   * ????adapter
   * 
   * @param file
   */
  public void updateData(File file) {
    mFilesList.clear();
    mIsFileList.clear();
    checkFiles(file);
    mListViewAdpter.notifyDataSetChanged();
  }

  /**
   * ???????
   * 
   * @param file
   */
  public void checkFiles(File file) {
    mFiles = file.listFiles();
    if(mFiles.length==0){
      Toast.makeText(this, "???????", 0).show();
    }
    for (File f : mFiles) {
      mFilesList.add(f.getPath());
      if (f.isDirectory()) {
        mIsFileList.add(true);
      } else {
        mIsFileList.add(false);
      }
    }
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }
}

Java Source Code List

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