Аганов Артур 2539

.gitignore

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+# Built application files
+*.apk
+*.ap_
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+.idea/
+*.iml

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 20
+    buildToolsVersion "20.0.0"
+
+    defaultConfig {
+        applicationId "ru.ifmo.md.lesson5"
+        minSdkVersion 15
+        targetSdkVersion 20
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            runProguard false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\nik\AppData\Local\Android\android-studio\sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

app/src/androidTest/java/ru/ifmo/md/lesson5/ApplicationTest.java

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+package ru.ifmo.md.lesson5;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="ru.ifmo.md.lesson5" >
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name=".MyActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".NewsActivity"
+            android:label="@string/title_activity_web" >
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/ru/ifmo/md/lesson5/Item.java

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+package ru.ifmo.md.lesson5;
+
+public class Item {
+    private String title;
+    private String description;
+    private String date;
+    private String url;
+
+    public Item(String title, String description, String date, String url) {
+        this.title = title;
+        this.description = description;
+        this.date = date;
+        this.url = url;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public String getDate() {
+        return date;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+}

app/src/main/java/ru/ifmo/md/lesson5/MyActivity.java

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+package ru.ifmo.md.lesson5;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ListView;
+
+public class MyActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_my);
+        final Intent intent = new Intent(this, NewsActivity.class);
+        ListView listView1 = (ListView)findViewById(R.id.listView1);
+        new NewsDownloadTask(this, listView1).execute(getString(R.string.URL_NEWS));
+        listView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> adapter, View v, int position, long x) {
+                Item item = (Item)adapter.getItemAtPosition(position);
+                intent.putExtra(getString(R.string.URL), item.getUrl());
+                startActivity(intent);
+            }
+        });
+
+    }
+}

app/src/main/java/ru/ifmo/md/lesson5/NewsActivity.java

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+package ru.ifmo.md.lesson5;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+public class NewsActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_news);
+        WebView webView = (WebView)findViewById(R.id.webView);
+        webView.setWebViewClient(new WebViewClient());
+        webView.loadUrl(getIntent().getStringExtra(getString(R.string.URL)));
+    }
+
+}

app/src/main/java/ru/ifmo/md/lesson5/NewsDownloadTask.java

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+package ru.ifmo.md.lesson5;
+
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.util.Log;
+import android.widget.ListView;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+public class NewsDownloadTask extends AsyncTask<String, Void, List<Item> > {
+    private ProgressDialog progressDialog;
+    private Context context;
+    private ListView listView;
+
+    protected NewsDownloadTask(Context context, ListView listView) {
+        this.context = context;
+        this.listView = listView;
+    }
+
+    static String normalize(String s) {
+        String res = s.replace("<br>", "\n");
+        res = res.replace("&quot;", "\"");
+        Log.i("!", res);
+        return res;
+    }
+
+    @Override
+    protected void onPreExecute() {
+        progressDialog = new ProgressDialog(context);
+        progressDialog.setMessage(context.getString(R.string.DOWNLOADING_NEWS));
+        progressDialog.setCancelable(false);
+        progressDialog.setIndeterminate(true);
+        progressDialog.show();
+    }
+
+    @Override
+    protected List<Item> doInBackground(String... params) {
+        ArrayList<Item> news = new ArrayList<Item>();
+        try {
+            XmlPullParser xpp = XmlPullParserFactory.newInstance().newPullParser();
+            InputStream inputStream = new URL(params[0]).openStream();
+            xpp.setInput(inputStream, null);
+            while (xpp.getEventType() != XmlPullParser.END_DOCUMENT) {
+                if (xpp.getEventType() == XmlPullParser.START_TAG && xpp.getName().equals("item")) {
+                    String title = "";
+                    String description = "";
+                    String date = "";
+                    String url = "";
+                    xpp.next();
+                    while (!(xpp.getEventType() == XmlPullParser.END_TAG && xpp.getName().equals("item"))) {
+                        if (xpp.getEventType() == XmlPullParser.START_TAG && xpp.getName().equals("link")) {
+                            xpp.next();
+                            url = xpp.getText();
+                            xpp.next();
+                        }
+                        if (xpp.getEventType() == XmlPullParser.START_TAG && xpp.getName().equals("title")) {
+                            xpp.next();
+                            title = xpp.getText();
+                            xpp.next();
+                        }
+                        if (xpp.getEventType() == XmlPullParser.START_TAG && xpp.getName().equals("pubDate")) {
+                            xpp.next();
+                            date = xpp.getText();
+                            xpp.next();
+                        }
+                        if (xpp.getEventType() == XmlPullParser.START_TAG && xpp.getName().equals("description")) {
+                            xpp.next();
+                            description = xpp.getText();
+                        }
+                        xpp.next();
+                    }
+                    news.add(new Item(title, normalize(description), date, url));
+                }
+                xpp.next();
+            }
+        } catch (XmlPullParserException e) {
+            e.printStackTrace();
+            return news;
+        } catch (IOException e) {
+            e.printStackTrace();
+            return news;
+        }
+        return news;
+    }
+
+    @Override
+    protected void onPostExecute(List<Item> news) {
+        NewsListAdapter adapter = new NewsListAdapter(news);
+        listView.setAdapter(adapter);
+        if (news.isEmpty()) {
+            news.add(new Item(context.getString(R.string.ERROR), "", "", ""));
+        }
+        progressDialog.dismiss();
+    }
+}

app/src/main/java/ru/ifmo/md/lesson5/NewsListAdapter.java

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+package ru.ifmo.md.lesson5;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.TextView;
+
+import java.util.List;
+
+public class NewsListAdapter extends BaseAdapter {
+    List<Item> news;
+
+    public NewsListAdapter(List<Item> news) {
+        this.news = news;
+    }
+
+    @Override
+    public View getView(int i, View view, ViewGroup viewGroup) {
+        if (view == null) {
+            view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.news, viewGroup, false);
+        }
+        ((TextView)view.findViewById(R.id.title)).setText(news.get(i).getTitle());
+        ((TextView)view.findViewById(R.id.date)).setText(news.get(i).getDate());
+        ((TextView)view.findViewById(R.id.description)).setText(news.get(i).getDescription());
+        return view;
+    }
+
+    @Override
+    public int getCount() {
+        return news.size();
+    }
+
+    @Override
+    public Object getItem(int i) {
+        return news.get(i);
+    }
+
+    @Override
+    public long getItemId(int i) {
+        return i;
+    }
+}

app/src/main/res/layout/activity_my.xml

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+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    tools:context=".MyActivity">
+
+    <ListView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/listView1" />
+</RelativeLayout>

app/src/main/res/layout/activity_news.xml

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+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    tools:context="ru.ifmo.md.lesson5.NewsActivity">
+
+    <WebView
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent"
+        android:id="@+id/webView"
+        android:visibility="visible" />
+</RelativeLayout>