ソフトウェアエンジニアの技術ブログ：Software engineer tech blog

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    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:orientation="vertical"
    android:background="#ffaa88"
    tools:context=".MainActivity">

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/word"/>
        <EditText
            android:id="@+id/uriname"
            android:inputType="text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </LinearLayout>

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal" >
        <Button
            adnroid:id="@+id/post"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:text="@string/post" />
        <Button
            android:id="@+id/browser"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:text="@string/browser" />
    </LinearLayout>

    <TextView
        android:id="@+id/text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>

file -> project structure を押す

dependency -> libraries dependency を選択する

dependenciesが追加される。

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    implementation 'org.jdom:jdom2:2.0.6'
}

package com.capital.anew;

import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private Handler handler;
    private final String RSS_URL = "http://m-shige1979.hatenablog.com/rss";
    private TextView text1;
    private String RssText;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        handler = new Handler();
        setContentView(R.layout.activity_main);
        text1 = (TextView)findViewById(R.id.textview1);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu){

        MenuItem item1 = menu.add("UPDATE");
        item1.setIcon(android.R.drawable.ic_menu_upload);

        item1.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener(){
            @Override
            public boolean onMenuItemClick(MenuItem item){

                Thread thread1 = new Thread(){
                    @Override
                    public void run(){
                        try {
                            RssText = RssParse.getRss(MainActivity.this, RSS_URL);

                            handler.post(new Runnable(){
                                @Override
                                public void run(){
                                    text1.setText(RssText);
                                    Toast.makeText(MainActivity.this, "読み込み終了", Toast.LENGTH_SHORT).show();

                                }
                            });
                        } catch (Exception e){
                            Log.d("sample", e.getMessage());
                        }
                    }
                };
                thread1.start();
                return false;
            }
        });

        item1.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);

        getMenuInflater().inflate(R.menu.menu_main, menu);

        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item){
        int id = item.getItemId();

        if(id == R.id.action_settings){
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

}

package com.capital.anew;

import android.content.Context;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class parse {
public static String getRss(Context context, String url)
throws IOException {

StringBuilder sb = new StringBuilder();

AndroidHttpClient client = AndroidHttpClient.newInstance(“TEST”);
HttpGet get = new HttpGet(url);

try {
HttpResponse response = client.execute(get);

BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
String line = null;
while((line = br.readLine()) != null){
sb.append(line);
}
} finally {
client.close();
}
return sb.toString();
}
}
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