|
|
|
## Java
|
|
|
|
|
|
|
|
#### Thread safety
|
|
|
|
* Classes should be immutable where possible
|
|
|
|
* Classes that may be used by multiple threads must be thread-safe
|
| ... | ... | @@ -31,3 +33,13 @@ |
|
|
|
* Use dedicated lock objects rather than `synchronized`
|
|
|
|
* Don't call into other classes while holding locks
|
|
|
|
* Don't start database transactions while holding locks
|
|
|
|
|
|
|
|
## Android UI
|
|
|
|
|
|
|
|
#### Icon Drawables
|
|
|
|
|
|
|
|
* Use `app:srcCompat` instead of `android:src` to define drawables in XML files
|
|
|
|
* Use `setImageResource()` to set icons instead of `setImageDrawable()`
|
|
|
|
* If you need to set a drawable directly, but can't use `setImageResource()`, use `VectorDrawableCompat.create()` to get the drawable
|
|
|
|
* Don't use vector(-only) drawables for notification icons (unless that's supported now)
|
|
|
|
* Test icon display on API < 21 |
|
|
\ No newline at end of file |
