Question

public class intro extends AppCompatActivity {

    private StringBuilder text = new StringBuilder();

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.intro);
        BufferedReader reader = null;

        try {
            reader = new BufferedReader(
                    new InputStreamReader(getAssets().open("assets/Introduction.txt")));

            // do reading, usually loop until end of file reading
            String mLine;
            while ((mLine = reader.readLine()) != null) {
                text.append(mLine);
                text.append('\n');
            }
        } catch (IOException e) {
            Toast.makeText(getApplicationContext(),"Error reading file!", Toast.LENGTH_LONG).show();
            e.printStackTrace();
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    //log the exception
                }
            }

            TextView output= (TextView) findViewById(R.id.intro);
            output.setText((CharSequence) text);

        }
    }
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我尝试了许多用于打开资源文件夹的路径，但它显示了filenotfound异常。在这里，我在Assets文件夹中创建了Introduction.txt文件，并在其上写了一些内容。但我无法通过提供路径或文件名来打开它。

Answer 1

从assets/移除"assets/Introduction.txt"。提供给open()的路径是 assets/内的相对路径。

我从Assets文件夹中读取文本文件时收到FileNotFound异常

1 个答案: