android10

package com.danale.mysharedpreferences;

import java.util.Map;

import com.danale.services.PreSharedPreferences;

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

public class MainActivity extends Activity {
    private EditText nameText;
    private EditText ageText;
    private PreSharedPreferences service;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        nameText = (EditText) this.findViewById(R.id.nameedt);
        ageText = (EditText) this.findViewById(R.id.ageedt);
        service = new PreSharedPreferences(this);
        
        Map<String, String> params = service.getPreferences();
        nameText.setText(params.get("name"));
        ageText.setText(params.get("age"));
        
    }

    @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;
    }

    public void  save(View v)
    {
        String name = nameText.getText().toString();
        String age = ageText.getText().toString();
        
        service.save(name, Integer.valueOf(age));
        Toast.makeText(getApplicationContext(), R.string.success, 1).show();
    }

}

package com.danale.services;

import java.util.HashMap;
import java.util.Map;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

public class PreSharedPreferences {
    private Context context;
    public PreSharedPreferences(Context context) {
        this.context = context;
    }
    /**
     * 保存参数，姓名，年龄
     * @param name
     * @param valueOf
     */
    public void save(String name, Integer valueOf) {
        // TODO Auto-generated method stub
        SharedPreferences preferences = context.getSharedPreferences("danale", Context.MODE_PRIVATE);
        Editor editor = preferences.edit();
        editor.putString("name", name);
        editor.putInt("age", valueOf);
        editor.commit();
    }
    /**
     * 获取各项配置参数
     * @return
     */
    public Map<String, String> getPreferences()
    {
        Map<String, String> params = new HashMap<String, String>();
        SharedPreferences preferences = context.getSharedPreferences("danale", Context.MODE_PRIVATE);
        params.put("name", preferences.getString("name", ""));
        params.put("age", String.valueOf(preferences.getInt("age", 0)));
        return    params;
    }
    
}