Guilherme Cherubini gcherubini
gcherubini
/ HomeActivity.kt
Last active
October 11, 2017 02:35
Simplifying Android activities with Kotlin - Btn Send optimized
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| private fun btnSendActions(binding: ActivityHomeBinding) { | |
| if (binding?.editTextUserName?.text?.toString()?.isNotBlank()!!) { | |
| moveForward(WelcomeActivity(), EXTRA_PARAM_USER_NAME, binding.editTextUserName.text.toString()) | |
| } | |
| else showAlertDialog("Please, fill input correctly.") | |
| } |
gcherubini
/ HomeActivity.kt
Last active
October 7, 2017 22:01
Simplifying Android activities with Kotlin - Btn Send Actions
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| private fun btnSendActions(binding: ActivityHomeBinding) { | |
| if (binding?.editTextUserName?.text?.toString()?.isNotBlank()!!) { | |
| val intent = Intent(this, WelcomeActivity().javaClass) | |
| intent.putExtra(EXTRA_PARAM_USER_NAME, binding.editTextUserName.text.toString()) | |
| startActivity(intent) | |
| return | |
| } | |
| val alert = AlertDialog.Builder(this).create() | |
| alert.setMessage("Please, fill input correctly.") |
gcherubini
/ JavaCondition.java
Created
October 9, 2017 22:19
Simplifying Android activities with Kotlin - Java validation
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| if ( binding != null | |
| && binding.editTextUserName != null | |
| && binding.editTextUserName.getText() != null | |
| && binding.editTextUserName.getText().toString() != null | |
| && binding.editTextUserName.getText().toString().length() > 0 ) |
gcherubini
/ ActivityExtensions.kt
Created
October 9, 2017 22:49
Simplifying Android activities with Kotlin - Activity Extensions
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| fun Activity.moveForward(activity: Activity, param: String, paramValue: String) { | |
| val intent = Intent(this, activity.javaClass) | |
| if(paramValue != null) { intent.putExtra(param, paramValue) } | |
| startActivity(intent) | |
| } | |
| fun Activity.showAlertDialog(message: String) { | |
| val alert = AlertDialog.Builder(this).create() | |
| alert.setMessage(message) | |
| alert.setButton(Dialog.BUTTON_POSITIVE, "OK") { _, _ -> alert.dismiss() } |
gcherubini
/ activity_welcome.xml
Last active
October 25, 2017 00:57
Simplifying Android activities with Kotlin - Welcome Raw
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| <?xml version="1.0" encoding="utf-8"?> | |
| <layout xmlns:android="http://schemas.android.com/apk/res/android" | |
| xmlns:app="http://schemas.android.com/apk/res-auto" | |
| xmlns:tools="http://schemas.android.com/tools"> | |
| <data> | |
| <variable | |
| name="user" | |
| type="com.gcherubini.model.User" /> | |
| </data> |
gcherubini
/ User.kt
Created
October 11, 2017 03:07
Simplifying Android activities with Kotlin - User data model
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| data class User ( val name: String ) |
gcherubini
/ Let.kt
Last active
October 21, 2017 20:42
Simplifying Android activities with Kotlin - Let sample
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| val bread = "bread" | |
| val myNewBread = bread?.let { "Brand new $it" } | |
| print(myNewBread) |
gcherubini
/ WelcomeActivity.kt
Last active
October 25, 2017 01:03
Simplifying Android activities with Kotlin - Getting Extra Param for Welcome Activity (Let function)
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| intent?.extras?.getString(EXTRA_PARAM_USER_NAME)?.let { | |
| binding?.user = User(it) | |
| } |
gcherubini
/ WelcomeActivity.java
Last active
October 25, 2017 01:05
Simplifying Android activities with Kotlin - Getting Extra Param for Welcome Activity with Java
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| if(getIntent() != null | |
| && getIntent().getExtras() != null | |
| && getIntent().getExtras().getString(EXTRA_PARAM_USER_NAME) != null | |
| && binding != null) { | |
| User user = new User(getIntent().getExtras().getString(EXTRA_PARAM_USER_NAME)); | |
| binding.setUser(user); | |
| } |
gcherubini
/ HomeActivity.kt
Created
October 25, 2017 01:43
Simplifying Android activities with Kotlin - Null conditions
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| if (binding?.editTextUserName?.text?.toString()?.isNotBlank()!!) |