My Android advanced tour ------) Unicode code values of some special characters in android, such as Arrow symbols such as character → character

My Android advanced tour ------) Unicode code values of some special characters in android, such as Arrow symbols such as character → character

In projects, some symbols are sometimes added to some controls (such as Button and TextView), as shown in:

In this case, images can be displayed, but these can be directly displayed using Unicode codes.

The code for the four icons is as follows:

The code for crown and music icons is as follows:

The preceding string values are:

 
  \u265A
 
 
  \u266B
 
 
  \u2190
 
 
  \u2191
 
 
  \u2193
 
 
  \u2192
 

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Find some Unicode code values for special symbols on the Internet and record them for future use, as shown below:
Use Unicode to represent symbols in string. xml of Android, use the following Unicode values related to JS.

? Arrow

Symbol	UNICODE			Symbol	UNICODE
	HTML	JS	CSS		HTML	JS	CSS
?	& #8672	\ U21E0	\ 21E0	?	& #8674	\ U21E2	\ 21E2
?	& #8673	\ U21E1	\ 21E1	?	& #8675	\ U21E3	\ 21E3
?	& #8606	\ U219E	\ 219E	?	& #8608	\ U21A0	\ 21A0
?	& #8607	\ U219F	\ 219F	?	& #8609	\ U21A1	\ 21A1
Bytes	& #8592	\ U2190	/2190	→	& #8594	\ U2192	/2192
Bytes	& #8593	\ U2191	/2191	Bytes	& #8595	\ U2193	/2193
?	& #8596	\ U2194	/2194	?	& #8597	\ U2195	/2195
?	& #8644	\ U21C4	\ 21C4	?	& #8645	\ U21C5	\ 21C5
?	& #8610	\ U21A2	\ 21A2	?	& #8611	\ U21A3	\ 21A3
?	& #8670	\ U21DE	\ 21DE	?	& #8671	\ U21DF	\ 21DF
?	& #8619	\ U21AB	\ 21AB	?	& #8620	\ U21AC	\ 21AC
?	& #8668	\ U21DC	\ 21DC	?	& #8669	\ U21DD	\ 21DD
?	& #8602	\ U219A	\ 219A	?	& #8603	\ U219B	\ 219B
?	& #8622	\ U21AE	\ 21AE	?	& #8621	\ U21AD	\ 21AD
?	& #8678	\ U21E6	\ 21E6	?	& #8680	\ U21E8	\ 21E8
?	& #8679	\ U21E7	\ 21E7	?	& #8681	\ U21E9	\ 21E9
▲	& #9650	\ U25B2	\ 25B2	?	& #9658	\ U25BA	\ 25BA
Bytes	& #9660	\ U25BC	\ 25BC	?	& #9668	\ U25C4	\ 25C4
?	& #10132	\ U2794	/2794	?	& #10137	\ U2799	/2799
?	& #10152	\ U27A8	\ 27A8	?	& #10162	\ U27B2	\ 27B2
?	& #10140	\ U279C	\ 279C	?	& #10142	\ U279E	\ 279E
?	& #10143	\ U279F	\ 279F	?	& #10144	\ U27A0	\ 27A0
?	& #10148	\ U27A4	\ 27A4	?	& #10149	\ U27A5	\ 27A5
?	& #10150	\ U27A6	\ 27A6	?	& #10151	\ U27A7	\ 27A7
?	& #10165	\ U27B5	\ 27B5	?	& #10168	\ U27B8	\ 27B8
?	& #10172	\ U27BC	\ 27BC	?	& #10173	\ U27BD	\ 27BD
?	& #10170	\ U27BA	\ 27BA	?	& #10163	\ U27B3	\ 27B3
?	& #8631	\ U21B7	\ 21B7	?	& #8630	\ U21B6	\ 21B6
?	& #8635	\ U21BB	\ 21BB	?	& #8634	\ U21BA	\ 21BA
?	& #8629	\ U21B5	\ 21B5	?	& #8623	\ U21AF	\ 21AF
?	& #10174	\ U27BE	\ 27BE

? Basic shape

Symbol	UNICODE			Symbol	UNICODE
	HTML	JS	CSS		HTML	JS	CSS
?	& #10084	\ U2764	/2764	?	& #9992	\ U2708	/2708
★	& #9733	\ U2605	/2605	?	& #10022	\ U2726	/2726
?	& #9728	\ U2600	/2600	◆	& #9670	\ U25C6	\ 25C6
?	& #9672	\ U25C8	\ 25C8	?	& #9635	\ U25A3	\ 25A3
?	& #9787	\ U263B	\ 263B	?	& #9786	\ U263A	\ 263A
?	& #9785	\ U2639	/2639	?	& #9993	\ U2709	/2709
?	& #9742	\ U260E	\ 260E	?	& #9743	\ U260F	\ 260F
?	& #9990	\ U2706	/2706	?	& #65533	\ UFFFD	\ FFFD
?	& #9729	\ U2601	/2601	?	& #9730	\ U2602	/2602
?	& #10052	\ U2744	/2744	?	& #9731	\ U2603	/2603
?	& #10056	\ U2748	/2748	?	& #10047	\ U273F	\ 273F
?	& #10048	\ U2740	/2740	?	& #10049	\ U2741	/2741
?	& #9752	\ U2618	/2618	?	& #10086	\ U2766	/2766
?	& #9749	\ U9749	/9749	?	& #10050	\ U2742	/2742
?	& #9765	\ U2625	/2625	?	& #9774	\ U262E	\ 262E
?	& #9775	\ U262F	\ 262F	?	& #9770	\ U262A	\ 262A
?	& #9764	\ U2624	/2624	?	& #9988	\ U2704	/2704
?	& #9986	\ U2702	/2702	?	& #9784	\ U2638	/2638
?	& #9875	\ U2693	/2693	?	& #9763	\ U2623	/2623
?	& #9888	\ U26A0	\ 26A0	?	& #9889	\ U26A1	\ 26A1
?	& #9762	\ U2622	/2622	?	& #9851	\ U267B	\ 267B
?	& #9855	\ U267F	\ 267F	?	& #9760	\ U2620	/2620

$ Currency

Symbol	UNICODE			Symbol	UNICODE
	HTML	JS	CSS		HTML	JS	CSS
$	& #36	\ U0024	/0024	Bytes	& #162	\ U00A2	\ 00A2
Bytes	& #163	\ U00A3	\ 00A3	Bytes	& #164	\ U00A4	\ 00A4