Android 显示 Emoji

device-2017-06-27-171817.png

废话不多说、直接上代码。

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.method.LinkMovementMethod;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    TextView myTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        myTextView = new TextView(this);
        myTextView.setMovementMethod((LinkMovementMethod.getInstance()));
        setEmojiToTextView();
        setContentView(myTextView);
    }

    /**
     * 1. Emoticons ( 1F601 - 1F64F )
     * 2. Dingbats ( 2702 - 27B0 )
     * 3. Transport and map symbols ( 1F680 - 1F6C0 )
     * 4. Enclosed characters ( 24C2 - 1F251 )
     * 5. Uncategorized
     * 6a. Additional emoticons ( 1F600 - 1F636 )
     * 6b. Additional transport and map symbols ( 1F681 - 1F6C5 )
     * 6c. Other additional symbols ( 1F30D - 1F567 )
     */
    private void setEmojiToTextView() {
        setEmojiToTextView(0x1F601, 0x1F64F);
        setEmojiToTextView(0x2702, 0x27B0);
        setEmojiToTextView(0x1F680, 0x1F6C0);
        setEmojiToTextView(0x1F681, 0x1F6C5);
        setEmojiToTextView(0x1F30D, 0x1F567);

        //setEmojiToTextView(0x24C2, 0x1F251);
    }

    private void setEmojiToTextView(int start, int end) {
        int[] unicodeJoy = new int[end - start + 1];
        for (int i = start ; i <= end ; i++) {
            unicodeJoy[i - start] = i;
        }
        String emojiString = getEmojiStringByUnicode(unicodeJoy);
        myTextView.append(emojiString);
        myTextView.append("\n\n\n");
    }

    private String getEmojiStringByUnicode(int[] unicode) {
        StringBuilder stringBuilder = new StringBuilder();
        for (int code : unicode) {
            stringBuilder.append(Character.toChars(code));
        }
        return stringBuilder.toString();
    }
}