Fetch sound-letter correspondences from Content Provider

app/build.gradle

@@ -50,7 +50,7 @@ dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
 
     implementation 'com.github.elimu-ai:model:model-2.0.66' // See https://jitpack.io/#elimu-ai/model
-    implementation 'com.github.elimu-ai:content-provider:1.2.25@aar' // See https://jitpack.io/#elimu-ai/content-provider
+    implementation 'com.github.elimu-ai:content-provider:1.2.26@aar' // See https://jitpack.io/#elimu-ai/content-provider
     implementation 'com.github.elimu-ai:analytics:3.1.11@aar' // See https://jitpack.io/#elimu-ai/analytics
 
     implementation 'androidx.appcompat:appcompat:1.6.1'

app/src/main/AndroidManifest.xml

@@ -27,7 +27,7 @@
             </intent-filter>
         </activity>
 
-        <activity
-            android:name=".ui.LetterListActivity" />
+        <activity android:name=".ui.LetterListActivity" />
+        <activity android:name=".ui.LetterSoundListActivity" />
     </application>
 </manifest>

app/src/main/java/ai/elimu/herufi/MainActivity.java

@@ -7,6 +7,7 @@
 import androidx.appcompat.app.AppCompatActivity;
 
 import ai.elimu.herufi.ui.LetterListActivity;
+import ai.elimu.herufi.ui.LetterSoundListActivity;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -26,7 +27,8 @@ protected void onStart() {
         Log.i(getClass().getName(), "onStart");
         super.onStart();
 
-        Intent intent = new Intent(getApplicationContext(), LetterListActivity.class);
+//        Intent intent = new Intent(getApplicationContext(), LetterListActivity.class);
+        Intent intent = new Intent(getApplicationContext(), LetterSoundListActivity.class);
         startActivity(intent);
         finish();
     }

app/src/main/java/ai/elimu/herufi/ui/LetterSoundListActivity.java

@@ -0,0 +1,72 @@
+package ai.elimu.herufi.ui;
+
+import android.os.Bundle;
+import android.speech.tts.TextToSpeech;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.android.flexbox.FlexboxLayout;
+
+import java.util.List;
+
+import ai.elimu.content_provider.utils.ContentProviderUtil;
+import ai.elimu.herufi.BaseApplication;
+import ai.elimu.herufi.BuildConfig;
+import ai.elimu.herufi.R;
+import ai.elimu.model.v2.gson.content.LetterSoundGson;
+
+public class LetterSoundListActivity extends AppCompatActivity {
+
+    private FlexboxLayout flexboxLayout;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        Log.i(getClass().getName(), "onCreate");
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_letter_sound_list);
+
+        flexboxLayout = findViewById(R.id.letter_sound_list_flexbox_layout);
+    }
+
+    @Override
+    protected void onStart() {
+        Log.i(getClass().getName(), "onStart");
+        super.onStart();
+
+        List<LetterSoundGson> letterSoundGsons = ContentProviderUtil.getAllLetterSoundGsons(getApplicationContext(), BuildConfig.CONTENT_PROVIDER_APPLICATION_ID);
+        Log.i(getClass().getName(), "letterSoundGsons.size(): " + letterSoundGsons.size());
+
+        // Create a view for each letter-sound correspondence in the list
+        flexboxLayout.removeAllViews();
+        for (final LetterSoundGson letterSoundGson : letterSoundGsons) {
+            View letterSoundView = LayoutInflater.from(this).inflate(R.layout.activity_letter_sound_list_letter_view, flexboxLayout, false);
+
+            TextView textView = letterSoundView.findViewById(R.id.letter_sound_view_text_view);
+            textView.setText("id " + letterSoundGson.getId());
+
+            // Play sound when pressed
+            letterSoundView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    Log.i(getClass().getName(), "letterView onClick");
+
+                    Log.i(getClass().getName(), "letterSoundGson.getId(): '" + letterSoundGson.getId() + "'");
+
+                    BaseApplication baseApplication = (BaseApplication) getApplication();
+                    TextToSpeech tts = baseApplication.getTTS();
+//                    tts.speak(letterSoundGson.getText(), TextToSpeech.QUEUE_FLUSH, null, "letter_sound_" + letterSoundGson.getId());
+
+                    // Report learning event to the Analytics application (https://github.com/elimu-ai/analytics)
+//                    LearningEventUtil.reportLetterSoundLearningEvent(letterSoundGson, LearningEventType.LETTER_SOUND_PRESSED, getApplicationContext(), BuildConfig.ANALYTICS_APPLICATION_ID);
+                }
+            });
+
+            flexboxLayout.addView(letterSoundView);
+        }
+    }
+}

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/gradient_background">
+
+    <com.google.android.flexbox.FlexboxLayout
+        android:id="@+id/letter_sound_list_flexbox_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingStart="@dimen/activity_horizontal_margin"
+        android:paddingEnd="@dimen/activity_horizontal_margin"
+        android:paddingTop="@dimen/activity_vertical_margin"
+        android:paddingBottom="@dimen/activity_vertical_margin"
+        app:flexWrap="wrap"
+        app:justifyContent="center">
+
+        <include layout="@layout/activity_letter_sound_list_letter_view" />
+    </com.google.android.flexbox.FlexboxLayout>
+</ScrollView>

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

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="164dp"
+    android:layout_height="219dp"
+    android:layout_margin="8dp"
+    app:cardCornerRadius="16dp"
+    app:cardBackgroundColor="#F2FFFFFF"
+    android:foreground="?android:attr/selectableItemBackground">
+
+    <TextView
+        android:id="@+id/letter_sound_view_text_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:textSize="96sp"
+        android:text="क" />
+</androidx.cardview.widget.CardView>