import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import com.hwariot.lib.tools.ToolsLibAPP;
import java.util.HashMap;
/***
*@date 创建时间 2018/4/18 15:16
*@author 作者: W.YuLong
*@description SharedPreferences的单例模式,支持不同的命名
*/
public class SPSingleton {
private static volatile HashMap<String, SPSingleton> instanceMap = new HashMap<>();
private SharedPreferences sharedPreferences;
private SharedPreferences.Editor editor;
//是否是执行apply的模式,false表示为commit保存数据
private boolean isApplyMode = false;
private static final String DEFAULT = "default";
private SPSingleton(String name) {
if (DEFAULT.equals(name)) {
sharedPreferences = PreferenceManager.getDefaultSharedPreferences(ToolsLibAPP.get());
} else {
sharedPreferences = ToolsLibAPP.get().getSharedPreferences(name, Context.MODE_PRIVATE);
}
editor = sharedPreferences.edit();
}
public static SPSingleton get(String name) {
if (instanceMap.get(name) == null) {
synchronized (SPSingleton.class) {
if (instanceMap.get(name) == null) {
instanceMap.put(name, new SPSingleton(name));
}
}
}
//这里每次get操作时强制将保存模式改为commit的方式
instanceMap.get(name).isApplyMode = false;
return instanceMap.get(name);
}
public static SPSingleton get() {
return get(DEFAULT);
}
// 如果用apply模式的话,得要先调用这个方法,
// 然后链式调用后续的存储方法,最后以commit方法结尾
public SPSingleton applyMode() {
isApplyMode = true;
return this;
}
public void commit() {
isApplyMode = false;
editor.commit();
}
public SPSingleton putBoolean(String key, boolean value) {
editor.putBoolean(key, value);
save();
return this;
}
private void save() {
if (isApplyMode) {
editor.apply();
} else {
editor.commit();
}
}
public SPSingleton putFloat(String key, float value) {
editor.putFloat(key, value);
save();
return this;
}
public float getFloat(String key, float defValue){
return sharedPreferences.getFloat(key, defValue);
}
public SPSingleton putLong(String key, long value) {
editor.putLong(key, value);
save();
return this;
}
public long getLong(String key, long defValue){
return sharedPreferences.getLong(key, defValue);
}
public SPSingleton putInt(String key, int value) {
editor.putInt(key, value);
save();
return this;
}
public SPSingleton putString(String key, String value) {
editor.putString(key, value);
save();
return this;
}
public String getString(String key, String defValue) {
return sharedPreferences.getString(key, defValue);
}
public void removeKey(String key) {
editor.remove(key);
save();
}
public int getInt(String key, int defValue) {
return sharedPreferences.getInt(key, defValue);
}
public boolean getBoolean(String key, boolean defValue) {
return sharedPreferences.getBoolean(key, defValue);
}
}
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