InternalStorage内部存储-创新互联

package com.example.zzwinternalstorage;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.http.util.ByteArrayBuffer;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends Activity
{
  private TextView tv;

  public void btn_save(View v)
  {
    FileOutputStream fos = null;
    try
    {
      fos = openFileOutput("zzw.json", MODE_PRIVATE);
      String name = "我是谁";
      fos.write(name.getBytes());
    }
    catch (FileNotFoundException e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    catch (IOException e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    finally
    {
      if (fos != null)
      {
        try
        {
          fos.close();
        }
        catch (IOException e)
        {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }
    }

  }

  public void btn_read(View v)
  {
    FileInputStream fis = null;
    ByteArrayBuffer arrayBuffer = new ByteArrayBuffer(1024);
    try
    {
      fis = openFileInput("zzw.json");
      int len = 0;
      byte[] buffer = new byte[1024];
      while (-1 != (len = fis.read(buffer)))
      {
        arrayBuffer.append(buffer, 0, len);
      }
    }
    catch (FileNotFoundException e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    catch (IOException e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }finally{
      if(fis!=null){
        try
        {
          fis.close();
        }
        catch (IOException e)
        {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }
    }
    String str=new String(arrayBuffer.toByteArray(), 0, arrayBuffer.length());
    tv.setText(str);

  }

  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    tv = (TextView) findViewById(R.id.textView1);
  }

  @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;
  }

}

另外有需要云服务器可以了解下创新互联scvps.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。