Send and receive extras with instance

.idea/misc.xml

@@ -7,4 +7,11 @@
   <component name="ProjectType">
     <option name="id" value="Android" />
   </component>
+  <component name="VisualizationToolProject">
+    <option name="state">
+      <ProjectState>
+        <option name="scale" value="0.18554938007695596" />
+      </ProjectState>
+    </option>
+  </component>
 </project>

app/src/main/AndroidManifest.xml

@@ -20,6 +20,7 @@
                 android:value="" />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
@@ -30,6 +31,8 @@
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
     </application>

app/src/main/java/fr/iut/pm/CheatActivity.kt

@@ -1,11 +1,24 @@
 package fr.iut.pm
 
 import android.os.Bundle
+import android.widget.Button
+import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
 
 class CheatActivity : AppCompatActivity() {
+    private var cheatAnswer: Boolean = false
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.cheat_activity)
+
+        with(intent)
+        {
+            cheatAnswer = getBooleanExtra(CHEAT_ANSWER, false)
+        }
+
+        findViewById<Button>(R.id.btnCheat).setOnClickListener {
+            findViewById<TextView>(R.id.textViewAnswerCheat).text = cheatAnswer.toString()
+        }
     }
 }

app/src/main/java/fr/iut/pm/QuizActivity.kt

@@ -13,11 +13,13 @@ import fr.iut.pm.model.TrueFalseQuestion
 
 const val TAG = "MyQuizActivity"
 const val QUESTION_INDEX: String = "questionIndex"
+const val CHEAT_ANSWER: String = "cheatAnswer"
 
 
 class QuizActivity : AppCompatActivity() {
 
     private var questionIndex: Int = 0
+    private var cheatAnswer: Boolean = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         Log.println(Log.INFO, TAG, "Creating...")
@@ -31,6 +33,7 @@ class QuizActivity : AppCompatActivity() {
             with(savedInstanceState) {
                 Log.println(Log.WARN, TAG, "LOADING...")
                 questionIndex = getInt(QUESTION_INDEX)
+                cheatAnswer = getBoolean(CHEAT_ANSWER)
             }
         }
 
@@ -42,6 +45,7 @@ class QuizActivity : AppCompatActivity() {
 
         findViewById<Button>(R.id.btnCheat).setOnClickListener {
             val cheatIntent = Intent(this, CheatActivity::class.java)
+            cheatIntent.putExtra(CHEAT_ANSWER, cheatAnswer)
             startActivity(cheatIntent)
         }
     }
@@ -77,6 +81,7 @@ class QuizActivity : AppCompatActivity() {
         outState.run {
             println("saving idx: $questionIndex")
             putInt(QUESTION_INDEX, questionIndex)
+            putBoolean(CHEAT_ANSWER, cheatAnswer)
         }
         super.onSaveInstanceState(outState)
     }
@@ -101,11 +106,17 @@ class QuizActivity : AppCompatActivity() {
         showQuestion(textView, questions)
     }
 
+    private fun storeAnswer(answer: Boolean) {
+        cheatAnswer = answer
+    }
+
     private fun showQuestion(textView: TextView, questions: Collection<TrueFalseQuestion>) {
         val obj: TrueFalseQuestion = questions.elementAt(questionIndex)
 
         textView.text = obj.question
 
+        storeAnswer(obj.answer)
+
         val correct: Button
         val wrong: Button
 

app/src/main/res/layout/cheat_activity.xml

@@ -25,16 +25,25 @@
             android:text="@string/are_you_sure" />
 
 
+        <Button
+            android:id="@+id/btnCheat"
+            style="?android:attr/buttonBarButtonStyle"
+            android:layout_width="125dp"
+            android:layout_height="75dp"
+            android:layout_margin="10dp"
+            android:backgroundTint="#888"
+            android:text="@string/show_answer"
+            android:textColor="@color/black" />
 
-            <Button
-                android:id="@+id/btnTrue"
-                style="?android:attr/buttonBarButtonStyle"
-                android:layout_width="125dp"
-                android:layout_height="75dp"
-                android:layout_margin="10dp"
-                android:backgroundTint="#888"
-                android:text="@string/show_answer"
-                android:textColor="@color/black" />
+
+        <TextView
+            android:id="@+id/textViewAnswerCheat"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_gravity="center"
+            android:layout_weight="1"
+            android:gravity="center"
+            android:text="@string/answer_goes_here" />
 
     </LinearLayout>
 

app/src/main/res/values-fr-rFR/strings.xml

@@ -14,4 +14,5 @@
     <string name="are_you_sure">Êtes-vous sûr?</string>
     <string name="show_answer">Voir réponse</string>
     <string name="cheat">Tricher</string>
+    <string name="answer_goes_here">la réponse va ici</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -13,4 +13,5 @@
     <string name="are_you_sure">Are you sure about that?</string>
     <string name="show_answer">Show answer</string>
     <string name="cheat">Cheat</string>
+    <string name="answer_goes_here">answer goes here</string>
 </resources>