android studio color transparency to 30% code example

Example 1: how to set opacity of background android

//And below for opacity code
Make the color have 80% in the alpha channel. For example, for red use #CCFF0000:
<TextView
   ...
   android:background="#CCFF0000" />
   
   
100% — FF
95% — F2
90% — E6
85% — D9
80% — CC
75% — BF
70% — B3
65% — A6
60% — 99
55% — 8C
50% — 80
45% — 73
40% — 66
35% — 59
30% — 4D
25% — 40
20% — 33
15% — 26
10% — 1A
5% — 0D
0% — 00

Example 2: how to set opacity of background android

<TextView
   ...
   android:background="#CCFF0000" />

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Misc Example

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