Rishabh Kohli rishabhkohli
jamiesanson
/ ViewLifecycleLazy.kt
Last active
March 26, 2024 13:17
A Kotlin lazy implementation which automatically clears itself at appropriate times in the View Lifecycle, with a Fragment example
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| import androidx.fragment.app.Fragment | |
| import androidx.lifecycle.DefaultLifecycleObserver | |
| import androidx.lifecycle.LifecycleOwner | |
| import androidx.lifecycle.Observer | |
| import kotlin.properties.ReadOnlyProperty | |
| import kotlin.reflect.KProperty | |
| fun <T> Fragment.viewLifecycleLazy(initialise: () -> T): ReadOnlyProperty<Fragment, T> = | |
| object : ReadOnlyProperty<Fragment, T>, DefaultLifecycleObserver { |
kshivang
/ BaseActivity.java
Last active
October 11, 2020 16:16
Instagram like ViewPager implementation with bottom tab layout, without recreating fragments in fragment manager on tab select or back click. Implementation is prescribed for ViewPager inside fragment(more complex case) similar thing could be achieved for ViewPager in activity as well.
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| public abstract class BaseActivity extends AppCompatActivity { | |
| public void moveBack() { | |
| super.onBackPressed(); | |
| } | |
| public abstract void onBackWhenNoFragment(); | |
| @Override | |
| public void onBackPressed() { |