临时数据的存储

package cn.itcast.wh07.tempdata;

import android.os.Bundle;

import android.app.Activity;

import android.util.Log;

import android.view.Menu;

public class MainActivity extends Activity {

private static final String TAG = "MainActivity";

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

if(savedInstanceState != null){

int page = savedInstanceState.getInt("page");

Log.i("info", "onCreate()上次看了"+page+"页");

}

}

@Override

protected void onSaveInstanceState(Bundle outState) {

super.onSaveInstanceState(outState);

outState.putInt("page", 100);

Log.i("info", "保存了临时的数据");//系统存储

}

@Override

protected void onRestoreInstanceState(Bundle savedInstanceState) {

super.onRestoreInstanceState(savedInstanceState);

int page = savedInstanceState.getInt("page");

Log.i("info", "上次看了"+page+"页");

}

}