android-读取本地txt文件 - 随心

     public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        text = (TextView)findViewById(R.id.text);
        try {
            File urlFile = new File("/sdcard/test.txt");
            InputStreamReader isr = new InputStreamReader(new FileInputStream(urlFile), "UTF-8");
            BufferedReader br = new BufferedReader(isr);  
            String str = "";   
            String mimeTypeLine = null ;
            while ((mimeTypeLine = br.readLine()) != null) {
            	str = str+mimeTypeLine;
    		} 
            text.setText(str);
		} catch (Exception e) {
			e.printStackTrace();
		}
    }

写入的话可以

FileOutputStream writerStream = new FileOutputStream(filePath, true);  
BufferedWriter oWriter = new BufferedWriter(new OutputStreamWriter(writerStream, "UTF-8"));