【发布时间】:2016-03-11 15:13:16
【问题描述】:
我通过 Random 方法使用从 string.xml 到我的 textview 的随机文本。现在,如果已经使用过一次,我不想再次使用该文本。我们将不胜感激。
我将文本放在 string.xml 中
<string name="one">1</string>
<string name="two">2</string>
<string name="three">3</string>
<string name="four">4</string>
<string name="five">5</string>
<string name="six">6</string>
<string name="seven">7</string>
<string name="eight">8</string>
<string name="nine">9</string>
<string name="ten">10</string>
<string name="one_explaination">This is number one</string>
<string name="two_explaination">This is number two</string>
<string name="three_explaination">This is number three</string>
<string name="four_explaination">This is number four</string>
<string name="five_explaination">This is number five</string>
<string name="six_explaination">This is number six</string>
<string name="seven_explaination">This is number seven</string>
<string name="eight_explaination">This is number eight</string>
<string name="nine_explaination">This is number nine</string>
<string name="ten_explaination">This is number ten</string>
我在 MainActivity 中的代码:
Random number,number_explaination;
int [] array_number,array_number_explaination;
int textview_number,textview_number_explaination;
TextView textView1,textView2;
number = new Random();
array_number = new int[] {R.string.one,R.string.two,R.string.three,R.string.four,R.string.five,R.string.six,R.string.seven,
R.string.eight,R.string.nine,R.string.ten};
array_number_explaination = new int[] {R.string.one_explaination,R.string.two_explaination,R.string.three_explaination,
R.string.four_explaination,R.string.five_explaination,R.string.six_explaination,R.string.seven_explaination,
R.string.eight_explaination,R.string.nine_explaination,R.string.ten_explaination};
textview_number = number.nextInt(array_number.length - 1);
textView1.setText(getResources().getString(array_number[textview_number]));
textView2.setText(getResources().getString(array_number_explaination[textview_number]));
【问题讨论】:
-
你遇到了什么问题?
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我不知道该怎么做...我希望文本显示一次,然后文本不应再次显示...意味着如果我的文本视图中有 4 次是时候不再显示了...
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首先,将
textview_number = number.nextInt(array_number.length - 1);更改为textview_number = number.nextInt(array_number_explaination.length - 1);并且您已经在 TextView 中显示了随机文本,那么您遇到了什么问题? -
@MikeM。我怎样才能删除它们
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@ρяσѕρєяK 我正在随机获取文本,但如果我得到它一次,那么它不会在按钮单击时再次显示给我