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Android Reference

EmojiFactory


android.emoji

Class EmojiFactory



  • public final class EmojiFactory
    extends Object
    A class for the factories which produce Emoji (pictgram) images. This is intended to be used by IME, Email app, etc. There's no plan to make this public for now.
    • Method Detail

      • finalize

        protected void finalize()
                         throws Throwable
        Description copied from class: Object
        Invoked when the garbage collector has detected that this instance is no longer reachable. The default implementation does nothing, but this method can be overridden to free resources.

        Note that objects that override finalize are significantly more expensive than objects that don't. Finalizers may be run a long time after the object is no longer reachable, depending on memory pressure, so it's a bad idea to rely on them for cleanup. Note also that finalizers are run on a single VM-wide finalizer thread, so doing blocking work in a finalizer is a bad idea. A finalizer is usually only necessary for a class that has a native peer and needs to call a native method to destroy that peer. Even then, it's better to provide an explicit close method (and implement Closeable), and insist that callers manually dispose of instances. This works well for something like files, but less well for something like a BigInteger where typical calling code would have to deal with lots of temporaries. Unfortunately, code that creates lots of temporaries is the worst kind of code from the point of view of the single finalizer thread.

        If you must use finalizers, consider at least providing your own ReferenceQueue and having your own thread process that queue.

        Unlike constructors, finalizers are not automatically chained. You are responsible for calling super.finalize() yourself.

        Uncaught exceptions thrown by finalizers are ignored and do not terminate the finalizer thread. See Effective Java Item 7, "Avoid finalizers" for more.

        Overrides:
        finalize in class Object
        Throws:
        Throwable
      • getBitmapFromAndroidPua

        public Bitmap getBitmapFromAndroidPua(int pua)
        Returns Bitmap object corresponding to the AndroidPua. Note that each Bitmap is cached by this class, which means that, if you modify a Bitmap object (using setPos() method), all same emoji Bitmap will be modified. If it is unacceptable, please copy the object before modifying it.
        Parameters:
        pua - A unicode codepoint.
        Returns:
        Bitmap object when this factory knows the Bitmap relevant to the codepoint. Otherwise null is returned.
      • getBitmapFromVendorSpecificSjis

        public Bitmap getBitmapFromVendorSpecificSjis(char sjis)
        Returns Bitmap object corresponding to the vendor specified sjis. See comments in getBitmapFromAndroidPua().
        Parameters:
        sjis - sjis code specific to each career(vendor)
        Returns:
        Bitmap object when this factory knows the Bitmap relevant to the code. Otherwise null is returned.
      • getBitmapFromVendorSpecificPua

        public Bitmap getBitmapFromVendorSpecificPua(int vsp)
        Returns Bitmap object corresponding to the vendor specific Unicode. See comments in getBitmapFromAndroidPua().
        Parameters:
        vsp - vendor specific PUA.
        Returns:
        Bitmap object when this factory knows the Bitmap relevant to the code. Otherwise null is returned.
      • getAndroidPuaFromVendorSpecificSjis

        public int getAndroidPuaFromVendorSpecificSjis(char sjis)
        Returns Unicode PUA for Android corresponding to the vendor specific sjis.
        Parameters:
        sjis - vendor specific sjis
        Returns:
        Unicode PUA for Android, or -1 if there's no map for the sjis.
      • getVendorSpecificSjisFromAndroidPua

        public int getVendorSpecificSjisFromAndroidPua(int pua)
        Returns vendor specific sjis corresponding to the Unicode AndroidPua.
        Parameters:
        pua - Unicode PUA for Android,
        Returns:
        vendor specific sjis, or -1 if there's no map for the AndroidPua.
      • getAndroidPuaFromVendorSpecificPua

        public int getAndroidPuaFromVendorSpecificPua(int vsp)
        Returns Unicode PUA for Android corresponding to the vendor specific Unicode.
        Parameters:
        vsp - vendor specific PUA.
        Returns:
        Unicode PUA for Android, or -1 if there's no map for the Unicode.
      • getAndroidPuaFromVendorSpecificPua

        public String getAndroidPuaFromVendorSpecificPua(String vspString)
      • getVendorSpecificPuaFromAndroidPua

        public int getVendorSpecificPuaFromAndroidPua(int pua)
        Returns vendor specific Unicode corresponding to the Unicode AndroidPua.
        Parameters:
        pua - Unicode PUA for Android,
        Returns:
        vendor specific sjis, or -1 if there's no map for the AndroidPua.
      • getVendorSpecificPuaFromAndroidPua

        public String getVendorSpecificPuaFromAndroidPua(String puaString)
      • newInstance

        public static EmojiFactory newInstance(String class_name)
        Constructs an instance of EmojiFactory corresponding to the name.
        Parameters:
        class_name - Name of the factory. This must include complete package name.
        Returns:
        A concrete EmojiFactory instance corresponding to factory_name. If factory_name is invalid, null is returned.
      • newAvailableInstance

        public static EmojiFactory newAvailableInstance()
        Constructs an instance of available EmojiFactory.
        Returns:
        A concrete EmojiFactory instance. If there are several available EmojiFactory class, preferred one is chosen by the system. If there isn't, null is returned.
      • getMinimumAndroidPua

        public int getMinimumAndroidPua()
        Returns the lowest code point corresponding to an Android emoji character.
      • getMaximumAndroidPua

        public int getMaximumAndroidPua()
        Returns the highest code point corresponding to an Android emoji character.


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