package me.gfuil.bmap.lite.utils; import android.content.Context; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; /** * 读写SharedPreferences * * @author gfuil */ public class PreferenceUtils { private String file = "default"; private SharedPreferences preference; public PreferenceUtils(Context context) { this(context, null); } public PreferenceUtils(Context context, String preferenceFile) { if (preferenceFile != null) file = preferenceFile; preference = context.getApplicationContext().getSharedPreferences(file, 0); } public String getPreferenceFile() { return file; } public void clear(){ Editor ed = preference.edit(); ed.clear(); ed.apply(); } public void setStringPreference(String key, String value) { Editor ed = preference.edit(); ed.putString(key, value); ed.apply(); } public String getStringPreference(String key, String defaultValue) { String str = defaultValue; if (preference.contains(key)) { str = preference.getString(key, defaultValue); } return str; } public void setIntPreference(String key, int value) { Editor ed = preference.edit(); ed.putInt(key, value); ed.apply(); } public int getIntPreference(String key, int defaultValue) { int num = defaultValue; if (preference.contains(key)) { num = preference.getInt(key, defaultValue); } return num; } public void setBooleanPreference(String key, boolean value) { Editor ed = preference.edit(); ed.putBoolean(key, value); ed.apply(); } public boolean getBooleanPreference(String key, boolean defaultValue) { boolean is = defaultValue; if (preference.contains(key)) { is = preference.getBoolean(key, defaultValue); } return is; } public void setFloatPreference(String key, float value) { Editor ed = preference.edit(); ed.putFloat(key, value); ed.apply(); } public float getFloatPreference(String key, float defaultValue) { float val = defaultValue; if (preference.contains(key)) { val = preference.getFloat(key, defaultValue); } return val; } public void setLongPreference(String key, long value) { Editor ed = preference.edit(); ed.putLong(key, value); ed.apply(); } public long getLongPreference(String key, long defaultValue) { long val = defaultValue; if (preference.contains(key)) { val = preference.getLong(key, defaultValue); } return val; } }