質問編集履歴
1
問題の箇所を記述
test
CHANGED
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File without changes
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test
CHANGED
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@@ -14,9 +14,85 @@
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-
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-
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-
###
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###コード
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18
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19
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問題の箇所
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20
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21
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```
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22
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23
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equalBtn.setOnClickListener(new OnClickListener() {
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26
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27
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@Override
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29
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public void onClick(View v) {
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30
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31
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num2 = Integer.parseInt(tvResult.getText().toString());
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32
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33
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34
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35
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if(op == "＋"){
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36
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37
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38
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39
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tvResult.setText("0");
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40
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41
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num1 = num1 + num2;
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42
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43
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tvResult.setText(String.valueOf(num1));
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44
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45
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}
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46
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47
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48
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49
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50
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51
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}
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52
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53
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});
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54
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55
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```
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56
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57
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58
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59
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``` private void preCalc(View v) {
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60
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61
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//vの値をopへ格納
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62
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63
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Button opCode =(Button)v;
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64
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65
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op = opCode.getText().toString();
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66
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67
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68
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69
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//opが+のとき処理をする
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70
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71
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if(op == "＋"){
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72
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73
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74
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75
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//テキストビューから値を取得しnum1へ格納する
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76
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77
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num1 = Integer.parseInt(tvResult.getText().toString());
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78
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79
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80
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81
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//テキストビューの値を初期値にする
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82
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83
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tvResult.setText("0");
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84
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85
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}
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86
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87
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88
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89
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```
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90
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91
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92
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93
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以下全ソース
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94
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95
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20
96
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21
97
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```androi java
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98
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