File	Doc	Category	Size	Date	Package
SharedPreferences.java	API Doc	Android 5.1 API	15300	Thu Mar 12 22:22:10 GMT 2015	android.content

SharedPreferences

Fields Summary

Constructors Summary

Methods Summary
public boolean	contains(java.lang.String key) Checks whether the preferences contains a preference. param key The name of the preference to check. return Returns true if the preference exists in the preferences, otherwise false.
public android.content.SharedPreferences$Editor	edit() Create a new Editor for these preferences, through which you can make modifications to the data in the preferences and atomically commit those changes back to the SharedPreferences object. Note that you must call {@link Editor#commit} to have any changes you perform in the Editor actually show up in the SharedPreferences. return Returns a new instance of the {@link Editor} interface, allowing you to modify the values in this SharedPreferences object.
public java.util.Map	getAll() Retrieve all values from the preferences. Note that you must not modify the collection returned by this method, or alter any of its contents. The consistency of your stored data is not guaranteed if you do. return Returns a map containing a list of pairs key/value representing the preferences. throws NullPointerException
public boolean	getBoolean(java.lang.String key, boolean defValue) Retrieve a boolean value from the preferences. param key The name of the preference to retrieve. param defValue Value to return if this preference does not exist. return Returns the preference value if it exists, or defValue. Throws ClassCastException if there is a preference with this name that is not a boolean. throws ClassCastException
public float	getFloat(java.lang.String key, float defValue) Retrieve a float value from the preferences. param key The name of the preference to retrieve. param defValue Value to return if this preference does not exist. return Returns the preference value if it exists, or defValue. Throws ClassCastException if there is a preference with this name that is not a float. throws ClassCastException
public int	getInt(java.lang.String key, int defValue) Retrieve an int value from the preferences. param key The name of the preference to retrieve. param defValue Value to return if this preference does not exist. return Returns the preference value if it exists, or defValue. Throws ClassCastException if there is a preference with this name that is not an int. throws ClassCastException
public long	getLong(java.lang.String key, long defValue) Retrieve a long value from the preferences. param key The name of the preference to retrieve. param defValue Value to return if this preference does not exist. return Returns the preference value if it exists, or defValue. Throws ClassCastException if there is a preference with this name that is not a long. throws ClassCastException
public java.lang.String	getString(java.lang.String key, java.lang.String defValue) Retrieve a String value from the preferences. param key The name of the preference to retrieve. param defValue Value to return if this preference does not exist. return Returns the preference value if it exists, or defValue. Throws ClassCastException if there is a preference with this name that is not a String. throws ClassCastException
public java.util.Set	getStringSet(java.lang.String key, java.util.Set defValues) Retrieve a set of String values from the preferences. Note that you must not modify the set instance returned by this call. The consistency of the stored data is not guaranteed if you do, nor is your ability to modify the instance at all. param key The name of the preference to retrieve. param defValues Values to return if this preference does not exist. return Returns the preference values if they exist, or defValues. Throws ClassCastException if there is a preference with this name that is not a Set. throws ClassCastException
public void	registerOnSharedPreferenceChangeListener(android.content.SharedPreferences$OnSharedPreferenceChangeListener listener) Registers a callback to be invoked when a change happens to a preference. Caution: The preference manager does not currently store a strong reference to the listener. You must store a strong reference to the listener, or it will be susceptible to garbage collection. We recommend you keep a reference to the listener in the instance data of an object that will exist as long as you need the listener. param listener The callback that will run. see #unregisterOnSharedPreferenceChangeListener
public void	unregisterOnSharedPreferenceChangeListener(android.content.SharedPreferences$OnSharedPreferenceChangeListener listener) Unregisters a previous callback. param listener The callback that should be unregistered. see #registerOnSharedPreferenceChangeListener