Android Open Source - imslpdroid Downloaded Activity

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License

The source code is released under:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, includin...
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Java Source Code

package com.imslpdroid;
/*  w w w  . jav  a2  s. co m*/
import java.io.File;
import java.util.LinkedList;
import java.util.List;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.text.Html;
import android.text.Spanned;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;

import com.imslpdroid.data.DataStorage;
import com.imslpdroid.gui.IntentUtils;
import com.imslpdroid.gui.RestrictableListView;

public class DownloadedActivity extends RestrictableListView {

  private static final int DIALOG_SCOREINFO = 1;
  private static final int DIALOG_NOFILE = 0;
  private static String infodialog_display = null;

  public void loadFileList() {
    DataStorage.syncronizeDownloadedFileTable(getApplicationContext());
    List<String> filesInfo = DataStorage.getDownloadedFilesName(getApplicationContext());
    //    if(filesInfo.isEmpty())
    //      showDialog(DIALOG_NOFILE);
    setListViewElements(filesInfo);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    loadFileList();

    // click on list item
    ListView lv = (ListView) findViewById(R.id.rlv_listview);
    lv.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        String info = (String) ((TextView) view).getText();
        String[] split = info.split("IMSLP");
        String score = split[split.length - 1].trim() + ".pdf";
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(Uri.fromFile(new File(DataStorage.getExternalDownloadPath(), score)), "application/pdf");
        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        if (IntentUtils.isPdfReaderAvailable(getApplicationContext()))
          startActivity(intent);
        else {
          Log.i("imslpdroidactivity", "no pdf viewer installed");
          AlertDialog.Builder builder = new AlertDialog.Builder(DownloadedActivity.this);
          builder.setMessage(R.string.nopdfviewer).setCancelable(false).setPositiveButton("ok", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
              dialog.cancel();
            }
          });
          AlertDialog alert = builder.create();
          alert.show();
        }
      }
    });

    lv.setOnItemLongClickListener(new OnItemLongClickListener() {
      @Override
      public boolean onItemLongClick(AdapterView<?> l, View view, int position, long id) {
        String info = (String) ((TextView) view).getText();
        String[] split = info.split("IMSLP");
        final String score = split[split.length - 1].trim() + ".pdf";
        List<String> itemlist = new LinkedList<String>();
        itemlist.add(getString(R.string.lic_info));
        itemlist.add(getString(R.string.lic_delete));

        final CharSequence[] items = itemlist.toArray(new CharSequence[0]);
        AlertDialog.Builder builder = new AlertDialog.Builder(DownloadedActivity.this);
        builder.setTitle(getString(R.string.lic_chooseaction));
        builder.setItems(items, new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int item) {
            CharSequence choice = items[item];
            if (choice.equals(getString(R.string.lic_delete))) {
              Log.i("scoresactivity", "deleting file");
              DataStorage.deleteDownloadedFile(getApplicationContext(), score);
              loadFileList();
            } else if (choice.equals(getString(R.string.lic_info))) {
              String[] infoFile = DataStorage.getDownloadedFileinfo(getApplicationContext(), score.replace(".pdf", ""));
              boolean no_info = true;
              for (int i = 0; i< infoFile.length; i++){
                if (infoFile[i] == null)
                  infoFile[i] = "";
                else
                  no_info = false;
              }
              if (no_info)
                infoFile[0] = getString(R.string.no_info);
              infodialog_display = String.format("<h3>%s</h3><p><i>%s</i></p><p>%s</p>", infoFile[0], infoFile[1], infoFile[2]);
              showDialog(DIALOG_SCOREINFO);
            }
          }
        });
        AlertDialog alert = builder.create();
        alert.show();
        return false;
      }
    });

  }

  @Override
  protected Dialog onCreateDialog(int id) {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    switch (id) {
    case DIALOG_SCOREINFO:
      Spanned marked_up = Html.fromHtml(infodialog_display);
      builder.setMessage(marked_up).setCancelable(false).setPositiveButton("ok", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int id) {
          dismissDialog(DIALOG_SCOREINFO);
        }
      });
      return builder.create();
    case DIALOG_NOFILE:
      builder.setMessage(getString(R.string.no_file)).setCancelable(false).setPositiveButton("ok", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int id) {
          dismissDialog(DIALOG_NOFILE);
        }
      });
      return builder.create();

    default:
      return super.onCreateDialog(id);
    }
  }

  @Override
  protected void onPrepareDialog(int id, Dialog dialog) {
    super.onPrepareDialog(id, dialog);
    AlertDialog d = (AlertDialog) dialog;
    switch (id) {
    case DIALOG_SCOREINFO:
      Spanned marked_up = Html.fromHtml(infodialog_display);
      d.setMessage(marked_up);
      break;
    case DIALOG_NOFILE:
      d.setMessage(getString(R.string.no_file));
      break;
    default:
      break;
    }
  }

  protected void onResume() {
    super.onResume();
    loadFileList();
    return;
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater menuInflater = getMenuInflater();
    menuInflater.inflate(R.menu.menu_downloaded_activity, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.menu_downloaded_deleteall:
      DataStorage.deleteAllDownloadedFiles(getApplicationContext());
      Log.i("downloadedactivity", "deleting all downloaded files");
      loadFileList();
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

}
Java Source Code List
