Question

我有以下代码，我知道它适用于Java。我现在正在尝试在Android应用程序中进行等效操作。操作非常简单：我需要在类中（在同一个工作区中）使用一个方法，我首先需要从文本文件中取出行，我存储在 / res / raw 中

基本上我需要从Android Activity Class中调用驻留在Java类中的这个方法。这怎么可能？

Activity Class片段（CaptureActivity.java）：

setContentView(R.layout.orientation);
                        try {
                            SentenceGenerator sentenceGenerator = new SentenceGenerator();
                            ArrayList<String> firstState = stateGenerator.getState(resultOutput, result, result);
                            String viewPoint = firstState.get(0);
                            String object = firstState.get(1);
                            String subject = firstState.get(2);
                            Thing subjectInfo = new Thing();
                            if(resultOutput.equals("Sliema")){
                                Sliema sliema = new Sliema();
                                subjectInfo = sliema.getInfo(viewPoint, object, subject);
                            }
                            try {
                                String s = sentenceGenerator.generateSentence("start.txt", "middle.txt", "end.txt", resultOutput, viewPoint, object, subject, subjectInfo.type, subjectInfo.name, subjectInfo.properties, false);
                                TextView instructionTextView = (TextView) findViewById(R.id.instructionTextView);
                                instructionTextView.setText(s);

                            } catch (Exception e) {
                            }
                        } catch (ClassNotFoundException e) {
                        }

Java Class片段（SentenceGenerator.java）：

public static ArrayList<String> getLines(String filename) throws Exception {
    ArrayList<String> lines = new ArrayList<String>();
    FileInputStream fstream = new FileInputStream(filename);

    BufferedReader br = new BufferedReader(new InputStreamReader(fstream));
    String strLine;
    while ((strLine = br.readLine()) != null) {
        lines.add(strLine);
    }
    in.close();
    return lines;
}

提前感谢您的帮助！

Answer 1

更改以下代码：

     BufferedReader br = new BufferedReader(new InputStreamReader(in));
String strLine;
while ((strLine = br.readLine()) != null) {
    lines.add(strLine);
}

到

 Scanner br = new Scanner(new InputStreamReader(in));
while (br.hasNext()) {
    String strLine = br.nextLine();
    lines.add(strLine);
}

那应该有用。希望这有帮助！

android - 逐行从文本文件中读取

1 个答案: