在android应用程序中逐行读取文本文件

Question

我正在尝试使用android studio制作android应用程序。我的应用程序需要逐行读取文本文件，并在每行的字符串上执行任务。我正在使用缓冲读取，但我不断收到文件未找到错误。我在/ app/src/main/assets /中创建了资源文件夹，并且已将文本文件复制到此资产文件夹中。任何帮助将不胜感激！请在下面找到我的代码： -

package com.example.spandanmadan1.hinglish; 

import android.content.res.AssetManager; 
import android.provider.UserDictionary; 
import android.support.v7.app.ActionBarActivity; 
import android.os.Bundle; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.Button; 

import java.io.BufferedReader; 
import java.io.FileInputStream; 
import java.io.FileReader; 
import java.io.InputStream; 
import java.io.InputStreamReader; 


public class MyActivity extends ActionBarActivity { 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_my); 
     Button bsubmit = (Button) findViewById(R.id.Hinglishbutton); 

     bsubmit.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       AssetManager assManager = getApplicationContext().getAssets(); 
       InputStream fis = assManager.open("HindiSlang.txt"); 
       BufferedReader bfr = new BufferedReader(new InputStreamReader(fis)); 

       String line=null; 
       while ((line = bfr.readLine()) != null) { 
        UserDictionary.Words.addWord(getApplicationContext(),line,1,"",null); 
       } 
      } 
     }); 
    } 

    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     // Inflate the menu; this adds items to the action bar if it is present. 
     getMenuInflater().inflate(R.menu.menu_my, menu); 
     return true; 
    } 

    @Override 
    public boolean onOptionsItemSelected(MenuItem item) { 
     // Handle action bar item clicks here. The action bar will 
     // automatically handle clicks on the Home/Up button, so long 
     // as you specify a parent activity in AndroidManifest.xml. 
     int id = item.getItemId(); 

     //noinspection SimplifiableIfStatement 
     if (id == R.id.action_settings) { 
      return true; 
     } 

     return super.onOptionsItemSelected(item); 
    } 



} 

Answer 1

请尝试以下之一：

try { 
    fIn = getApplicationContext().getResources().getAssets() 
      .open("HindiSlang.txt", Context.MODE_WORLD_READABLE); 

    input = new BufferedReader(new InputStreamReader(fIn)); 
    String line = ""; 
    while ((line = input.readLine()) != null) { 
     // process the line.. 
    } 
} catch (Exception e) { 
    e.getMessage(); 
} 

或者写一个函数：

public String LoadData(String inFile) { 
    String tContents = ""; 

    try { 
    InputStream stream = getAssets().open(inFile); // you will get the method getAssets anywhere from current activity. 

    int size = stream.available(); 
    byte[] buffer = new byte[size]; 
    stream.read(buffer); 
    stream.close(); 
    tContents = new String(buffer); 
    } catch (IOException e) { 
     // Handle exceptions here 
    } 

    return tContents; 

}