DzBasicActivity #54
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| package otus.gpb.homework.activities | ||
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| import android.annotation.SuppressLint | ||
| import android.content.Intent | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.view.View | ||
| import android.widget.Button | ||
| import androidx.appcompat.app.AppCompatActivity | ||
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| class Activity_A : AppCompatActivity() { | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| setContentView(R.layout.activity_a) | ||
| val button = findViewById<Button>(R.id.buttonA_to_B) | ||
| Log.d("Debug", "onCreateA") | ||
| } | ||
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| fun onClickListener(view: View){ // создаем функцию и указываем переменную view типа View (!) | ||
| if (view is Button) { | ||
| // Создаем Intent для открытия другого Activity | ||
| val intent = Intent(this, Activity_B::class.java) | ||
| // Задание 2.1: Создаем FLAG_ACTIVITY_NEW_TASK для singleTop и добавляем флаг FLAG_ACTIVITY_MULTIPLE_TASK для открытия в новом таске | ||
| intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_MULTIPLE_TASK | ||
| // Начинаем новое Activity | ||
| startActivity(intent) | ||
| } | ||
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| } | ||
| // override fun onNewIntent(intent: Intent?) { | ||
| // super.onNewIntent(intent) | ||
| // } | ||
| // override fun onRestart() { | ||
| // super.onRestart() | ||
| // Log.d("Debug", "onRestart") | ||
| // val intent = Intent(this, Activity_A::class.java) | ||
| // intent.flags = Intent.FLAG_ACTIVITY_SINGLE_TOP | ||
| // startActivity(intent) | ||
| // Log.d("Debug", "onNewIntent") | ||
| // } | ||
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| } |
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| package otus.gpb.homework.activities | ||
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| import android.content.Intent | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.view.View | ||
| import android.widget.Button | ||
| import androidx.appcompat.app.AppCompatActivity | ||
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| class Activity_B : AppCompatActivity() { | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| setContentView(R.layout.activity_b) | ||
| val button = findViewById<Button>(R.id.buttonB_to_C) | ||
| Log.d("Debug", "onCreateB") | ||
| } | ||
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| override fun onDestroy() { | ||
| super.onDestroy() | ||
| Log.d("Debug", "onDestroyB") | ||
| } | ||
| fun onClickListener(view: View){ // создаем функцию и указываем переменную view типа View (!) | ||
| if (view is Button) { | ||
| Log.d("Debug", "openB") | ||
| // // Задание 2.2: Создаем Intent для открытия другого Activity | ||
| val intent = Intent(this, Activity_C::class.java) | ||
| // Начинаем новое Activity | ||
| startActivity(intent) | ||
| } | ||
| } | ||
| } |
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| package otus.gpb.homework.activities | ||
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| import android.content.Intent | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.view.View | ||
| import android.widget.Button | ||
| import androidx.appcompat.app.AppCompatActivity | ||
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| class Activity_C : AppCompatActivity() { | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| setContentView(R.layout.activity_c) | ||
| val button = findViewById<Button>(R.id.buttonC_to_A) | ||
| Log.d("Debug", "onCreateC") | ||
| } | ||
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| override fun onResume() { | ||
| super.onResume() | ||
| Log.d("Debug", "onResumeC") | ||
| } | ||
| override fun onDestroy() { | ||
| super.onDestroy() | ||
| Log.d("Debug", "onDestroyC") | ||
| } | ||
| fun onClickListenerOpenAfromC(view: View) { // создаем функцию и указываем переменную view типа View (!) | ||
| if (view is Button) { | ||
| // Создаем Intent для открытия другого Activity | ||
| val intent = Intent(this, Activity_A::class.java) | ||
| // Начинаем новое Activity | ||
| startActivity(intent) | ||
| } | ||
| } | ||
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| fun onClickListenerOpenDfromC(view: View){ | ||
| val intent = Intent(this, Activity_D::class.java) | ||
| // Задание 2.4: Создаю новый активти и чищу весь стек. Вроде как сделано задание. Нажимаю назад и закрывается текущий таск, НО потом открываю трей и вижу, что оно есть)))) | ||
| intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK | ||
| startActivity(intent) | ||
| } | ||
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| fun onClickListenerCloseCAndGoBack(view: View){ | ||
| val intent = Intent(this, Activity_B::class.java) | ||
| // Задание 2.5: Финиширую активити С | ||
| finish() | ||
| //intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP | ||
| //startActivity(intent) | ||
| } | ||
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| fun onClickListenerCloseStackAndGoA(view: View){ | ||
| val intent = Intent(this, Activity_A::class.java) | ||
|
There was a problem hiding this comment. @Gimasteev, еще обратите внимание на функцию finishAffinity |
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| // Задание 2.5: Финиширую через функцию finishAffinity(), но опять-таки вижу в трее что висит активити С | ||
| finishAffinity() | ||
| //intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK | ||
| //startActivity(intent) | ||
| } | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,20 @@ | ||
| package otus.gpb.homework.activities | ||
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| import android.content.Intent | ||
| import android.os.Bundle | ||
| import android.view.View | ||
| import android.widget.Button | ||
| import androidx.appcompat.app.AppCompatActivity | ||
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| class Activity_D : AppCompatActivity() { | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| setContentView(R.layout.activity_d) | ||
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| } | ||
| fun onClickListener(view: View){ // создаем функцию и указываем переменную view типа View (!) | ||
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| } | ||
| } |
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <androidx.constraintlayout.widget.ConstraintLayout 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" | ||
| android:id="@+id/layoutActivityA" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#f44336" | ||
| android:onClick="onClickListener" | ||
| tools:context=".Activity_A"> | ||
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| <Button | ||
| android:id="@+id/buttonA_to_B" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:onClick="onClickListener" | ||
| android:text="Open ActivityB" | ||
| app:layout_constraintBottom_toBottomOf="parent" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" /> | ||
| </androidx.constraintlayout.widget.ConstraintLayout> |
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <androidx.constraintlayout.widget.ConstraintLayout 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" | ||
| android:id="@+id/layoutActivityB" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#4caf50" | ||
| android:onClick="onClickListener" | ||
| tools:context=".Activity_B"> | ||
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| <Button | ||
| android:id="@+id/buttonB_to_C" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:onClick="onClickListener" | ||
| android:text="Open ActivityC" | ||
| app:layout_constraintBottom_toBottomOf="parent" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" /> | ||
| </androidx.constraintlayout.widget.ConstraintLayout> |
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| @@ -0,0 +1,62 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <androidx.constraintlayout.widget.ConstraintLayout 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" | ||
| android:id="@+id/layoutActivityB" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#2196f3" | ||
| tools:context=".Activity_C"> | ||
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| <Button | ||
| android:id="@+id/buttonC_to_A" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginTop="184dp" | ||
| android:onClick="onClickListenerOpenAfromC" | ||
| android:text="Open ActivityA" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintHorizontal_bias="0.498" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| tools:ignore="MissingConstraints" /> | ||
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| <Button | ||
| android:id="@+id/buttonC_to_D" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginTop="292dp" | ||
| android:onClick="onClickListenerOpenDfromC" | ||
| android:text="Open ActivityD" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintHorizontal_bias="0.498" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| tools:ignore="MissingConstraints" /> | ||
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| <Button | ||
| android:id="@+id/buttonC_close_C" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginTop="388dp" | ||
| android:onClick="onClickListenerCloseCAndGoBack" | ||
| android:text="Close ActivityC" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintHorizontal_bias="0.483" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| tools:ignore="MissingConstraints" /> | ||
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| <Button | ||
| android:id="@+id/buttonC_close_stack" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginTop="492dp" | ||
| android:onClick="onClickListenerCloseStackAndGoA" | ||
| android:text="Close Stack" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintHorizontal_bias="0.498" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| tools:ignore="MissingConstraints" /> | ||
| </androidx.constraintlayout.widget.ConstraintLayout> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,11 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <androidx.constraintlayout.widget.ConstraintLayout 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" | ||
| android:id="@+id/layoutActivityB" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#ffeb3b" | ||
| tools:context=".Activity_D"> | ||
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| </androidx.constraintlayout.widget.ConstraintLayout> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,3 @@ | ||
| <resources> | ||
| <string name="app_name">Roman_Activities</string> | ||
| </resources> |
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@Gimasteev, не выполняется задание 3.2. Оставил комментарий выше. Возможно, можно добиться того же эффекта с флагом FLAG_ACTIVITY_CLEAR_TOP