質問編集履歴
1
コードの追加
test
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File without changes
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test
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@@ -3,3 +3,221 @@
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これに1秒ごとに乱数で出力した整数を1つ追加し、一番古い整数は削除するという機能を追加したいのですが、
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どのようにすれば実現できますか？
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一秒ごとに何かを行う、と言うところまでは実装しましたが、データの移し変え？の方法が分かりません。
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環境はandroid studioです。
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import android.annotation.TargetApi;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.support.v7.app.AppCompatActivity;
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import android.widget.TextView;
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import java.util.Arrays;
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public class MainActivity extends AppCompatActivity implements Runnable{
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int Date[]=new int[100];
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int i;
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int sum=0 ;
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Double ans;
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public static String testtext;
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private Thread mThread;
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public static Handler mHandler;
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private TextView mTextView;
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public TextView Testtext;
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public TextView Testtext2;
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public static long count = 0;
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int timing=1000;
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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for(i=0;i<100;i++){
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Date[i]= (int)( (Math.random()*100));
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sum+=Date[i];
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}
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ans=(double)(sum/100);
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mTextView = (TextView)findViewById(R.id.textView);
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Testtext = (TextView)findViewById(R.id.textView2);
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Testtext2 = (TextView)findViewById(R.id.textView3);
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Testtext.setText(Arrays.toString(Date));
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Testtext2.setText(String.valueOf(ans));
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mHandler = new Handler() {
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//メッセージ受信
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public void handleMessage(android.os.Message message) {
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//メッセージの表示
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String text = (String) message.obj;
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if(message.what==0) {
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mTextView.setText(text);
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}
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if(message.what==2) {
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Testtext.setText(text);
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}
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//メッセージの種類に応じてswitch文で制御すれば
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//イベント制御に利用可能
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};
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};
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}
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@Override
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public void onResume(){
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super.onResume();
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mThread = new Thread(this);
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//スレッド処理を開始
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if(mThread != null ){
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mThread.start();
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}
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count=0;
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}
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@Override
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public void onPause(){
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super.onPause();
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//スレッドを削除
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mThread = null;
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}
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//スレッドによる更新処理
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public void run() {
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long time = System.currentTimeMillis();
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while (mThread != null) {
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long now = System.currentTimeMillis();
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if(now - time > timing){
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//Message msg = new Message();
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//Message msg = Message.obtain();
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Message msg = mHandler.obtainMessage();
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msg.obj = new String("ループが"+ count + "回終了しました");
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//ハンドラへのメッセージ送信
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mHandler.sendMessage(msg);
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//スレッドの利用変数を初期化
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time = now;
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count++;
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}
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}
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}
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}
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