Домашняя работа по активити 1 задача #45
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| android:roundIcon="@mipmap/ic_launcher_round" | ||
| android:supportsRtl="true" | ||
| android:theme="@style/Theme.Activities" | ||
| tools:targetApi="31"> | ||
| <activity | ||
| android:name=".ActivityD" | ||
| android:label="ActivityD" | ||
| android:launchMode="singleTask" | ||
| android:exported="false" /> | ||
| <activity | ||
| android:name=".ActivityC" | ||
| android:label="ActivityC" | ||
| android:launchMode="singleTop" | ||
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There was a problem hiding this comment. @Galinnka , поясните, пожалуйста, зачем вам сингл-топ? |
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| android:exported="false" /> | ||
| <activity | ||
| android:name=".ActivityB" | ||
| android:label="ActivityB" | ||
| android:launchMode="standard" | ||
| android:exported="false" /> | ||
| <activity | ||
| android:name=".ActivityA" | ||
| android:exported="true" | ||
| android:launchMode="standard" | ||
|
There was a problem hiding this comment. @Galinnka , тут у вас неверный режим активити. Не выполняется задание 2.3, а создается новый экземпляр |
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| android:taskAffinity="" | ||
| android:label="ActivityA"> | ||
| <intent-filter> | ||
| <action android:name="android.intent.action.MAIN" /> | ||
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| <category android:name="android.intent.category.LAUNCHER" /> | ||
| </intent-filter> | ||
| </activity> | ||
| </application> | ||
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| </manifest> | ||
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| package otus.gpb.homework.activities | ||
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| import android.content.Intent | ||
| import androidx.appcompat.app.AppCompatActivity | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.widget.Button | ||
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| private const val TAG = "ActivityA" | ||
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| class ActivityA : AppCompatActivity(R.layout.activity_a) { | ||
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| lateinit var buttonB: Button | ||
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| Log.d(TAG, "call onCreate") | ||
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| buttonB = findViewById(R.id.mainActivityB) | ||
| } | ||
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| override fun onStart() { | ||
| super.onStart() | ||
| Log.d(TAG, "call onStart") | ||
| buttonB.setOnClickListener { | ||
| Log.d(TAG, "button clicked") | ||
| val intent = Intent(this, ActivityB::class.java).apply { | ||
| flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK | ||
| } | ||
| startActivity(intent) | ||
| } | ||
| } | ||
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| override fun onResume() { | ||
| super.onResume() | ||
| Log.d(TAG, "call onResume") | ||
| } | ||
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| override fun onStop() { | ||
| Log.d(TAG, "call onStop") | ||
| super.onStop() | ||
| } | ||
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| override fun onDestroy() { | ||
| Log.d(TAG, "call onDestroy") | ||
| super.onDestroy() | ||
| } | ||
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| override fun onRestart() { | ||
| super.onRestart() | ||
| Log.d(TAG, "call onRestart") | ||
| } | ||
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| override fun onBackPressed() { | ||
| Log.d(TAG, "call onBackPressed") | ||
| super.onBackPressed() | ||
| } | ||
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| override fun onNewIntent(intent: Intent?) { | ||
| super.onNewIntent(intent) | ||
| Log.d(TAG, "call onNewIntent") | ||
| } | ||
| } | ||
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| @@ -0,0 +1,25 @@ | ||
| package otus.gpb.homework.activities | ||
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| import android.content.Intent | ||
| import androidx.appcompat.app.AppCompatActivity | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.widget.Button | ||
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| private const val TAG = "ActivityB" | ||
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| class ActivityB : AppCompatActivity(R.layout.activity_b) { | ||
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| lateinit var buttonC: Button | ||
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
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| findViewById<Button?>(R.id.mainActivityC).setOnClickListener { | ||
| val intent = Intent(this, ActivityC::class.java) | ||
| 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 +1,54 @@ | ||
| package otus.gpb.homework.activities | ||
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| import android.content.Intent | ||
| import androidx.appcompat.app.AppCompatActivity | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import android.widget.Button | ||
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| private const val TAG = "ActivityC" | ||
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| class ActivityC : AppCompatActivity(R.layout.activity_c) { | ||
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| lateinit var buttonA: Button | ||
| lateinit var buttonD: Button | ||
| lateinit var buttonC: Button | ||
| lateinit var buttonS: Button | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
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| buttonA = findViewById(R.id.mainActivityA) | ||
| buttonD = findViewById(R.id.mainActivityD) | ||
| buttonC = findViewById(R.id.mainActivityC) | ||
| buttonS = findViewById(R.id.closeStack) | ||
| } | ||
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| override fun onStart() { | ||
| super.onStart() | ||
| Log.d(TAG, "call onStart") | ||
| buttonA.setOnClickListener { | ||
| Log.d(TAG, "button clicked") | ||
| val intent = Intent(this, ActivityA::class.java) | ||
| startActivity(intent) | ||
| } | ||
| findViewById<Button>(R.id.mainActivityD).setOnClickListener { | ||
| val intent = Intent(this, ActivityD::class.java).apply { | ||
| flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK | ||
| } | ||
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| startActivity(intent) | ||
| } | ||
| buttonC.setOnClickListener { | ||
| finish() | ||
| } | ||
| buttonS.setOnClickListener { | ||
| finishAffinity() | ||
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There was a problem hiding this comment. @Galinnka , тут все верно. Стек закрывается и попадаем обратно на А. Если вам кажется, что он не закрылся потому, что торчит в последних запущенных программах - то это норм. потому что это список ПОСЛЕДНИХ ЗАПУЩЕННЫХ, а не тех, что сейчас в памяти |
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| } | ||
| } | ||
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| override fun onNewIntent(intent: Intent?) { | ||
| super.onNewIntent(intent) | ||
| Log.d(TAG, "button onNewIntent") | ||
| } | ||
| } | ||
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| @@ -0,0 +1,13 @@ | ||
| package otus.gpb.homework.activities | ||
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| import androidx.appcompat.app.AppCompatActivity | ||
| import android.os.Bundle | ||
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| private const val TAG = "ActivityD" | ||
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| class ActivityD : AppCompatActivity(R.layout.activity_d) { | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
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| } | ||
| } |
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| @@ -0,0 +1,22 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <FrameLayout | ||
| 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:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#f44336" | ||
| tools:context=".ActivityA"> | ||
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| <Button | ||
| android:id="@+id/mainActivityB" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:text="Open ActivityB" | ||
| android:layout_margin="50dp" | ||
| android:layout_gravity="bottom|center_horizontal" | ||
| /> | ||
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| </FrameLayout> |
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| @@ -0,0 +1,22 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <LinearLayout | ||
| 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:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:orientation="vertical" | ||
| android:gravity="center" | ||
| android:background="#4caf50" | ||
| tools:context=".ActivityB"> | ||
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| <Button | ||
| android:id="@+id/mainActivityC" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:text="Open Activity C" | ||
| android:layout_margin="50dp" | ||
| android:layout_gravity="bottom|center_horizontal" | ||
| /> | ||
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| </LinearLayout> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,45 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <LinearLayout | ||
| 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:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:orientation="vertical" | ||
| android:gravity="center" | ||
| android:background="#2196f3" | ||
| tools:context=".ActivityC"> | ||
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| <Button | ||
| android:id="@+id/mainActivityA" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_gravity="center_horizontal" | ||
| android:background="#FFC107" | ||
| android:backgroundTint="#CDDC39" | ||
| android:text="Open ActivityA" /> | ||
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| <Button | ||
| android:id="@+id/mainActivityD" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_gravity="center_horizontal" | ||
| android:text="Open ActivityD" /> | ||
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| <Button | ||
| android:id="@+id/mainActivityC" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_gravity="center_horizontal" | ||
| android:text="Close ActivityC" /> | ||
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| <Button | ||
| android:id="@+id/closeStack" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_gravity="center_horizontal" | ||
| android:text="Close Stack" | ||
| /> | ||
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| </LinearLayout> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,24 @@ | ||
| <?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/frameLayout" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#ffeb3b" | ||
| android:gravity="center_horizontal" | ||
| tools:context=".ActivityD"> | ||
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| <TextView | ||
| android:id="@+id/textView" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:gravity="bottom" | ||
| android:text="Улыбнись! Это Activity D" | ||
| android:textStyle="bold" | ||
| 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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@Galinnka , зачем вам тут сингл-таск? Вы все верно флажками разрулили в создании интентов!