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The source code is released under:
Apache License
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/* * Copyright 2012 ZXing authors/* ww w.j av a2s. c om*/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.google.zxing.client.android.history; import android.app.Activity; import android.app.AlertDialog; import android.app.ListActivity; import android.content.ActivityNotFoundException; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.os.Parcelable; import android.util.Log; import android.view.ContextMenu; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import com.google.zxing.client.android.Intents; import com.google.zxing.client.android.R; public final class HistoryActivity extends ListActivity { private static final String TAG = HistoryActivity.class.getSimpleName(); private HistoryManager historyManager; private ArrayAdapter<HistoryItem> adapter; private CharSequence originalTitle; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); this.historyManager = new HistoryManager(this); adapter = new HistoryItemAdapter(this); setListAdapter(adapter); View listview = getListView(); registerForContextMenu(listview); originalTitle = getTitle(); } @Override protected void onResume() { super.onResume(); reloadHistoryItems(); } private void reloadHistoryItems() { Iterable<HistoryItem> items = historyManager.buildHistoryItems(); adapter.clear(); for (HistoryItem item : items) { adapter.add(item); } setTitle(originalTitle + " (" + adapter.getCount() + ')'); if (adapter.isEmpty()) { adapter.add(new HistoryItem(null, null, null)); } } // @Override // protected void onListItemClick(ListView l, View v, int position, long id) { // if (adapter.getItem(position).getResult() != null) { // Intent intent = new Intent(this, CaptureActivity.class); // intent.putExtra(Intents.History.ITEM_NUMBER, position); // setResult(Activity.RESULT_OK, intent); // finish(); // } // } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) { int position = ((AdapterView.AdapterContextMenuInfo) menuInfo).position; if (position >= adapter.getCount() || adapter.getItem(position).getResult() != null) { menu.add(Menu.NONE, position, position, R.string.history_clear_one_history_text); } // else it's just that dummy "Empty" message } @Override public boolean onContextItemSelected(MenuItem item) { int position = item.getItemId(); historyManager.deleteHistoryItem(position); reloadHistoryItems(); return true; } @Override public boolean onCreateOptionsMenu(Menu menu) { if (historyManager.hasHistoryItems()) { MenuInflater menuInflater = getMenuInflater(); menuInflater.inflate(R.menu.history, menu); } return super.onCreateOptionsMenu(menu); } // @Override // public boolean onOptionsItemSelected(MenuItem item) { // switch (item.getItemId()) { // case R.id.menu_history_send: // CharSequence history = historyManager.buildHistory(); // Parcelable historyFile = HistoryManager.saveHistory(history.toString()); // if (historyFile == null) { // AlertDialog.Builder builder = new AlertDialog.Builder(this); // builder.setMessage(R.string.msg_unmount_usb); // builder.setPositiveButton(R.string.button_ok, null); // builder.show(); // } else { // Intent intent = new Intent(Intent.ACTION_SEND, Uri.parse("mailto:")); // intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); // String subject = getResources().getString(R.string.history_email_title); // intent.putExtra(Intent.EXTRA_SUBJECT, subject); // intent.putExtra(Intent.EXTRA_TEXT, subject); // intent.putExtra(Intent.EXTRA_STREAM, historyFile); // intent.setType("text/csv"); // try { // startActivity(intent); // } catch (ActivityNotFoundException anfe) { // Log.w(TAG, anfe.toString()); // } // } // break; // case R.id.menu_history_clear_text: // AlertDialog.Builder builder = new AlertDialog.Builder(this); // builder.setMessage(R.string.msg_sure); // builder.setCancelable(true); // builder.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() { // @Override // public void onClick(DialogInterface dialog, int i2) { // historyManager.clearHistory(); // dialog.dismiss(); // finish(); // } // }); // builder.setNegativeButton(R.string.button_cancel, null); // builder.show(); // break; // default: // return super.onOptionsItemSelected(item); // } // return true; // } }