Nnabueze Uhiara NezSpencer
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| //rvList is my recyclerview | |
| binding.rvList.isNestedScrollingEnabled = false |
NezSpencer
/ BackStackActivity.kt
Created
October 13, 2018 13:21
pop off all fragments after the specified fragment, including the specified fragment
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| private fun popToFragmentBeforeKnownFragment(fragment: Fragment) { | |
| if (!lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) | |
| return | |
| val isPopped = supportFragmentManager.popBackStackImmediate(fragment::class.simpleName, | |
| FragmentManager.POP_BACK_STACK_INCLUSIVE) | |
| if (!isPopped) | |
| throw UnsupportedOperationException("Specified fragment does not exist in backstack") | |
| } |
NezSpencer
/ BackStackActivity.kt
Created
October 7, 2018 11:02
move back x times in fragment backstack
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| private fun moveBackXTimes(numOfTimes : Int) { | |
| if (!lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) | |
| return | |
| val backStackCount = supportFragmentManager.backStackEntryCount | |
| if (numOfTimes >= backStackCount) { | |
| throw UnsupportedOperationException("Number of times specified $numOfTimes is greater" + | |
| " than the backstackEntryCount") | |
| } |
NezSpencer
/ BackStackActivity.kt
Created
October 7, 2018 11:00
create synthetic / artificial backstack
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| private fun createArtificialBackStack() { | |
| if (!lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) | |
| return | |
| supportFragmentManager.beginTransaction() | |
| .replace(R.id.app_container, HomeFragment.newInstance(), HomeFragment::class.simpleName) | |
| .addToBackStack(HomeFragment::class.simpleName) | |
| .setReorderingAllowed(true) | |
| .commit() |
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| private fun popToKnownFragment(fragment : Fragment) { | |
| if (!lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) | |
| return | |
| val isPopped = supportFragmentManager.popBackStackImmediate(fragment::class.simpleName, 0) | |
| if (!isPopped) { | |
| // code inside here is only executed because fragment transaction didnt happen because | |
| // the fragment above does not exist in the backstack or it was added with a different tag. | |
| // Since this fragment must be shown, add a new instance of it | |
| supportFragmentManager.beginTransaction() |
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| private fun moveBackOneTime() { | |
| if (!lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) | |
| return | |
| supportFragmentManager.popBackStack() | |
| } |
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| package com.nezspencer.test | |
| import android.os.Bundle | |
| import android.support.annotation.NonNull | |
| import android.support.v7.app.AppCompatActivity | |
| import android.text.Editable | |
| import android.text.TextUtils | |
| import android.text.TextWatcher | |
| import android.widget.EditText | |
| import java.text.NumberFormat |
NezSpencer
/ MainActivity.kt
Created
October 1, 2018 09:22
method to get new cursor position for amount textWatcher
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| private fun getNewCursorPosition(digitCountToRightOfCursor : Int, numberString : String) : Int{ | |
| var position = 0 | |
| var c = digitCountToRightOfCursor | |
| for (i in numberString.reversed()) { | |
| if (c == 0) | |
| break | |
| if (i.isDigit()) | |
| c -- | |
| position ++ |
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| override fun onSuccess(){ | |
| if(lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) { | |
| //safe to perform fragment transaction | |
| } | |
| } |
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| @Override | |
| fun onSuccess(){ | |
| if(lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) { | |
| //perform action here | |
| } | |
| } |