1 package com.danale.mysharedpreferences;
2
3 import java.util.Map;
4
5 import com.danale.services.PreSharedPreferences;
6
7 import android.os.Bundle;
8 import android.app.Activity;
9 import android.view.Menu;
10 import android.view.View;
11 import android.widget.EditText;
12 import android.widget.Toast;
13
14 public class MainActivity extends Activity {
15 private EditText nameText;
16 private EditText ageText;
17 private PreSharedPreferences service;
18
19 @Override
20 protected void onCreate(Bundle savedInstanceState) {
21 super.onCreate(savedInstanceState);
22 setContentView(R.layout.activity_main);
23
24 nameText = (EditText) this.findViewById(R.id.nameedt);
25 ageText = (EditText) this.findViewById(R.id.ageedt);
26 service = new PreSharedPreferences(this);
27
28 Map<String, String> params = service.getPreferences();
29 nameText.setText(params.get("name"));
30 ageText.setText(params.get("age"));
31
32 }
33
34 @Override
35 public boolean onCreateOptionsMenu(Menu menu) {
36 // Inflate the menu; this adds items to the action bar if it is present.
37 getMenuInflater().inflate(R.menu.main, menu);
38 return true;
39 }
40
41 public void save(View v)
42 {
43 String name = nameText.getText().toString();
44 String age = ageText.getText().toString();
45
46 service.save(name, Integer.valueOf(age));
47 Toast.makeText(getApplicationContext(), R.string.success, 1).show();
48 }
49
50 }
1 package com.danale.services;
2
3 import java.util.HashMap;
4 import java.util.Map;
5
6 import android.content.Context;
7 import android.content.SharedPreferences;
8 import android.content.SharedPreferences.Editor;
9
10 public class PreSharedPreferences {
11 private Context context;
12 public PreSharedPreferences(Context context) {
13 this.context = context;
14 }
15 /**
16 * 保存参数，姓名，年龄
17 * @param name
18 * @param valueOf
19 */
20 public void save(String name, Integer valueOf) {
21 // TODO Auto-generated method stub
22 SharedPreferences preferences = context.getSharedPreferences("danale", Context.MODE_PRIVATE);
23 Editor editor = preferences.edit();
24 editor.putString("name", name);
25 editor.putInt("age", valueOf);
26 editor.commit();
27 }
28 /**
29 * 获取各项配置参数
30 * @return
31 */
32 public Map<String, String> getPreferences()
33 {
34 Map<String, String> params = new HashMap<String, String>();
35 SharedPreferences preferences = context.getSharedPreferences("danale", Context.MODE_PRIVATE);
36 params.put("name", preferences.getString("name", ""));
37 params.put("age", String.valueOf(preferences.getInt("age", 0)));
38 return params;
39 }
40
41 }
