SharedPreferencesUtil
public class SharedPreferencesUtil {
public static final String mTAG = "test";
// 創(chuàng)建一個(gè)寫入器
private static SharedPreferences mPreferences;
private static SharedPreferences.Editor mEditor;
private static SharedPreferencesUtil mSharedPreferencesUtil;
// 構(gòu)造方法
public SharedPreferencesUtil(Context context) {
mPreferences = context.getSharedPreferences(mTAG, Context.MODE_PRIVATE);
mEditor = mPreferences.edit();
}
// 單例模式
public static SharedPreferencesUtil getInstance(Context context) {
if (mSharedPreferencesUtil == null) {
mSharedPreferencesUtil = new SharedPreferencesUtil(context);
}
return mSharedPreferencesUtil;
}
// 存入數(shù)據(jù)
public void putSP(String key, String value) {
mEditor.putString(key, value);
mEditor.commit();
}
// 獲取數(shù)據(jù)
public String getSP(String key) {
return mPreferences.getString(key, "");
}
// 移除數(shù)據(jù)
public void removeSP(String key) {
mEditor.remove(key);
mEditor.commit();
}
}
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