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import android.content.Context; |
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import android.content.SharedPreferences; |
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import android.preference.PreferenceManager; |
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import android.util.Log; |
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public class SharePrefUtils { |
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//list of your keys here |
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public static final String IS_FIRST_LAUNCH = "is first launch"; |
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private static SharedPreferences getSharePreference(Context context) { |
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// return context.getSharedPreferences("your_pref",Context.MODE_PRIVATE); |
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return PreferenceManager.getDefaultSharedPreferences(context); |
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} |
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private static SharedPreferences.Editor getEditor(Context context) { |
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return getSharePreference(context).edit(); |
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} |
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public static boolean contain(Context context, String key) { |
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return getSharePreference(context).contains(key); |
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} |
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public static void remove(Context context, String key) { |
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getSharePreference(context).edit().remove(key).apply(); |
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} |
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public static void removeAll(Context context) { |
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getSharePreference(context).edit().clear().apply(); |
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} |
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public static void save(Context context, String key, Object value) { |
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if (value instanceof Integer) { |
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getEditor(context).putInt(key, (Integer) value).apply(); |
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} else if (value instanceof String) { |
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getEditor(context).putString(key, value.toString()).apply(); |
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} else if (value instanceof Boolean) { |
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getEditor(context).putBoolean(key, (Boolean) value).apply(); |
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} else if (value instanceof Long) { |
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getEditor(context).putLong(key, (Long) value).apply(); |
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} else if (value instanceof Float) { |
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getEditor(context).putFloat(key, (Float) value).apply(); |
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} else if (value instanceof Double) { |
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getEditor(context).putLong(key, Double.doubleToRawLongBits((double) value)).apply(); |
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} |
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} |
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public static Object get(Context context, String key, Object defaultValue) { |
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try { |
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if (defaultValue instanceof String) { |
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return getSharePreference(context).getString(key, defaultValue.toString()); |
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} else if (defaultValue instanceof Integer) { |
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return getSharePreference(context).getInt(key, (Integer) defaultValue); |
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} else if (defaultValue instanceof Boolean) { |
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return getSharePreference(context).getBoolean(key, (Boolean) defaultValue); |
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} else if (defaultValue instanceof Long) { |
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return getSharePreference(context).getLong(key, (Long) defaultValue); |
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} else if (defaultValue instanceof Float) { |
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return getSharePreference(context).getFloat(key, (Float) defaultValue); |
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} else if (defaultValue instanceof Double) { |
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return Double.longBitsToDouble(getSharePreference(context).getLong(key, Double.doubleToLongBits((double) defaultValue))); |
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} |
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} catch (Exception e) { |
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Log.e("Exception", e.getMessage()); |
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return defaultValue; |
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} |
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return defaultValue; |
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} |
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// //Save json object |
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// public static void saveObject(Context context, Key key, Object obj){ |
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// Gson gson = new Gson(); |
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// String json = gson.toJson(obj); |
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// getEditor(context).putString(key.name(), json).apply(); |
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// } |
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// |
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// public static <T> T getObject(Context context, Key key, Class<T> clazz){ |
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// Gson gson = new Gson(); |
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// String json = getSharePreference(context).getString(key.name(), ""); |
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// return gson.fromJson(json, clazz); |
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// } |
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} |
