108 lines
3.7 KiB
Java
108 lines
3.7 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.codelab.rssexample;
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import android.app.Activity;
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import android.os.Bundle;
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import android.view.Menu;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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//BEGIN_INCLUDE(1_1)
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public class MyRssReader extends Activity {
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/** Called with the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState){
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super.onCreate(savedInstanceState);
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// Load screen layout.
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setContentView(R.layout.main_screen);
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//END_INCLUDE(1_1)
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//BEGIN_INCLUDE(1_2)
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// Load some simple values into the ListView
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mRssList = (ListView) findViewById(R.id.rssListView);
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mRssList.setAdapter(
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new ArrayAdapter<String>(
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this,
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R.layout.list_element,
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new String[] { "Scientific American", "BBC", "The Onion", "Engadget" }));
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//END_INCLUDE(1_2)
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}
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// Store our state before we are potentially bumped from memory.
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// We'd like to store the current ListView selection.
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@Override
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protected void onSaveInstanceState(Bundle outState){
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int index = mRssList.getSelectedItemIndex();
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if(index > -1){
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outState.putInteger("lastIndexItem", index);
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}
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}
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// Add our initial menu options. We will tweak this menu when it's loaded swap out
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// "start service" or "stop service", depending on whether the service is currently running.
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@Override
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public boolean onCreateOptionsMenu(Menu menu){
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// Always call the superclass implementation to
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// provide standard items.
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super.onCreateOptionsMenu(menu);
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menu.add(0, 0, "Start RSS Service", null);
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menu.add(0, 1, "Stop RSS Service", null);
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menu.add(0, 2, "Add New Feed", null);
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menu.add(0, 3, "Delete Feed", null);
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menu.add(0, 4, "Update All Feeds", null);
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return true;
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}
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// Toggle out start service/stop service depending on whether the service is running.
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@Override
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public boolean onPrepareOptionsMenu(Menu menu){
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return true;
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}
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// Handle our menu clicks.
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@Override
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public boolean onOptionsItemSelected(Menu.Item item){
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switch (item.getId()) {
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case 0:
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showAlert(null, "You clicked 'start'!", "ok", null, false, null);
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break;
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case 1:
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showAlert(null, "You clicked stop!", "ok", null, false, null);
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break;
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case 2:
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showAlert(null, "You clicked 'Add'!", "ok", null, false, null);
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break;
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case 3:
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showAlert(null, "You clicked 'Delete'!", "ok", null, false, null);
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break;
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case 4:
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showAlert(null, "You clicked 'Update'!", "ok", null, false, null);
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break;
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default:
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showAlert(null, "I have no idea what you clicked!", "ok", null, false, null);
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break;
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}
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return true;
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}
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ListView mRssList;
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}
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