SharedPreferences臨時存儲數據 如記住密碼
import java.util.HashMap;
import java.util.Map;
import android.content.Context;
import android.content.SharedPreferences;
public class SystemSharedpreferences {
private Context context;
public SystemSharedpreferences(Context context) {
this.context = context;
}
//存數據
public boolean saveMessage(String name,String age){
boolean flage = false;
SharedPreferences sharedpreferences = context.getSharedPreferences("IPConfig",Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putString("name", name);
editor.putString("age", age);
flage = editor.commit();
return flage;
}
//取數據
public Map getMessage(){
Map map = new HashMap();
SharedPreferences sharedPreferences = context.getSharedPreferences("IPConfig", Context.MODE_PRIVATE);
String ip = sharedPreferences.getString("name", "");
String port = sharedPreferences.getString("age", "");
map.put("name",name);
map.put("age", age);
return map;
}
}
//調用
//存入
SystemSharedpreferences systemSharedpreferences = new SystemSharedpreferences(
getBaseContext());
boolean flage = systemSharedpreferences.saveMessage(
name, age);
//取出
SystemSharedpreferences systemSharedpreferences = new SystemSharedpreferences(
getBaseContext());
Map maps = systemSharedpreferences.getMessage();
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