小编kam*_*man的帖子

我需要将一些数据作为文本文件存储在内部存储器上.例如下面,我有一个按钮,我想在每次单击按钮时将一些数据保存在文本文件中.我正在测试一个例子:

http://developer.android.com/training/basics/data-storage/files.html

import java.io.FileOutputStream;
import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener {
    Button b;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        b = (Button) findViewById(R.id.button1);
    }

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

    @Override
    public void onClick(View v) {
        String filename = "myfile";
        String string = …