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Updated the version for adding android.os.fragment extensions.
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67 changes: 67 additions & 0 deletions
67
kotlinknifer/src/main/java/com/devrapid/kotlinknifer/AppFragment.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package com.devrapid.kotlinknifer | ||
|
|
||
| import android.app.Fragment | ||
| import android.app.FragmentManager | ||
| import android.os.Build | ||
| import android.support.annotation.RequiresApi | ||
| import android.view.View | ||
|
|
||
| /** | ||
| * @author jieyi | ||
| * @since 11/8/17 | ||
| */ | ||
| /** ************************************************************************** | ||
| * Fragment for [Fragment] | ||
| ** **************************************************************************/ | ||
|
|
||
| /** | ||
| * Adds a [Fragment] to this manager's layout. | ||
| * | ||
| * @param containerViewId The container view to where add the fragment. | ||
| * @param fragment The fragment to be added. | ||
| * @param needBack Set that it can back to previous fragment. | ||
| * @param sharedElements Shared element objects and ids from layout xml [android:transitionName]. | ||
| * | ||
| * @return the identifier of this transaction's back stack entry. | ||
| */ | ||
| @RequiresApi(Build.VERSION_CODES.LOLLIPOP) | ||
| fun FragmentManager.addFragment(containerViewId: Int, | ||
| fragment: Fragment, | ||
| needBack: Boolean = false, | ||
| sharedElements: HashMap<View, String> = hashMapOf()): Int = beginTransaction().apply { | ||
| replace(containerViewId, fragment, fragment.javaClass.name) | ||
| sharedElements.forEach { value -> addSharedElement(value.key, value.value) } | ||
| if (needBack) | ||
| addToBackStack(fragment.javaClass.name) | ||
| }.commit() | ||
|
|
||
| /** | ||
| * Pop a [Fragment] from the [FragmentManager]. | ||
| * | ||
| * @return is success to pop a [Fragment]. | ||
| */ | ||
| inline fun FragmentManager.popFragment(): Boolean = if (0 < backStackEntryCount) { | ||
| popBackStackImmediate() | ||
| true | ||
| } | ||
| else | ||
| false | ||
|
|
||
| /** | ||
| * Clear all [Fragment] in the stack. | ||
| */ | ||
| inline fun FragmentManager.popAllFragment() { | ||
| // Optimized by Kotlin. | ||
| for (i in 0..backStackEntryCount - 1) { | ||
| popFragment() | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Remove a specific [Fragment] from [FragmentManager] stack. | ||
| * | ||
| * @param fragment Specific assigned [Fragment]. | ||
| */ | ||
| @RequiresApi(Build.VERSION_CODES.N) | ||
| inline fun FragmentManager.removeFragment(fragment: Fragment) = beginTransaction().remove( | ||
| fragment).commitNow() |
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