質問編集履歴
2
書き換え
test
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File without changes
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test
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@@ -18,6 +18,232 @@
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---------------------------------------------------------------------------------------------------------
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import android.app.Activity;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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public class PurasuAct extends Activity implements View.OnClickListener {
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private final int btn0 = 0;
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private final int btn1 = 1;
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private final int btn2 = 2;
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private final int btn3 = 3;
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private final int btn4 = 4;
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private final int btn5 = 5;
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private final int btn6 = 6;
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private final int btn7 = 7;
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private final int btn8 = 8;
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private final int btn9 = 9;
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private final int clearbtn = 0;
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Button mButton[];
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int mId[] = {R.id.btn0, R.id.btn1, R.id.btn2, R.id.btn3,
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R.id.btn4, R.id.btn5, R.id.btn6, R.id.btn7,
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R.id.btn8, R.id.btn9, R.id.clearbtn};
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TextView mTextView;
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/**
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* 前の処理
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*/
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int beforeStatus = 0;
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/**
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* 合計
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*/
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int total = 0;
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/**
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* Called when the activity is first created.
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*/
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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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setContentView(R.layout.practice);
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// 表示用TextView
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mTextView = (TextView) findViewById(R.id.text7);
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// Button
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mButton = new Button[mId.length];
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for (int i = 0; i < mId.length; i++) {
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// buttonを取り込む
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mButton[i] = (Button) findViewById(mId[i]);
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// buttonのイベント処理
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mButton[i].setOnClickListener(this);
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}
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}
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@Override
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public void onClick(View v) {
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TextView text7 = (TextView)findViewById(R.id.text7);
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// 押されたボタンがどのボタンかを判定
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for (int i = 0; i < mId.length; i++) {
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if (v.equals(mButton[i])) {
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// CLEAR
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if (i == clearbtn) {
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mTextView.setText("");
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total = 0;
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beforeStatus = clearbtn;
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}
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// 数字
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else if (i < 10) {
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String nowValue = mTextView.getText().toString();
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nowValue = nowValue + i;
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mTextView.setText(nowValue);
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beforeStatus = i;
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}
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break;
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}
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}
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// 入力内容を取得
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String strNum = mTextView.getText().toString();
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// 数値に変換
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int num = Integer.parseInt(strNum);
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// 結果表示用テキストに設定
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text7.setText(Integer.toString(num));
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text7.setVisibility(View.VISIBLE);
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}
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}
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---------------------------------------------------------------------------------------------------------
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21
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22
248
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23
249
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開発環境
|
1
文法の修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -4,9 +4,9 @@
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|
|
4
4
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5
5
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現在、添付画像の様なレイアウトで、
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6
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7
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数字ボタンを
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例えば、数字ボタン1をタップすると、画面中央の四角にタップしたボタンの値である1が
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9
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表示されるアプリを作成しているのですが、
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表示され、ボタン1、ボタン2をタップすると、12と表示されるアプリを作成しているのですが、
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10
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11
11
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いまいち、Layoutとclassの結びつけかた等が分かりません。
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