Feat: Liaison UI-Logique et gestion des swipes (Étape 8)
- Modification de MainActivity:
- Récupération des vues (GridLayout, TextViews).
- Implémentation de initGameBoardLayout et updateUI pour dessiner la grille
en fonction de l'état de Game.
- Création et attachement de OnSwipeTouchListener pour gérer les swipes.
- Modification de Game:
- Ajout des getters: getGameBoard, getScore, getHighScore (placeholder).
# La méthode printArray reste présente dans Game.java selon l'extrait.
- Création de OnSwipeTouchListener.java pour la détection des gestes.
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@ -37,6 +37,7 @@ dependencies {
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implementation(libs.material)
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implementation(libs.activity)
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implementation(libs.constraintlayout)
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implementation(libs.gridlayout)
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testImplementation(libs.junit)
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androidTestImplementation(libs.ext.junit)
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androidTestImplementation(libs.espresso.core)
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@ -1,8 +1,10 @@
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package legion.muyue.best2048;
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import android.util.Log;
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import java.util.ArrayList;
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import java.util.Random;
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// L'import Log reste car printArray est toujours défini dans cet extrait
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import android.util.Log;
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public class Game {
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@ -15,6 +17,19 @@ public class Game {
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random = new Random();
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}
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public int getGameBoard(int x, int y) {
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return gameBoard[x][y];
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}
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public int getScore() {
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return score;
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}
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public int getHighScore() {
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return 0; // TODO: Implémentez la logique du meilleur score plus tard
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}
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// La méthode printArray est toujours présente dans l'extrait de Game.java pour l'étape 8
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public void printArray() {
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for (int[] row : gameBoard) {
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String rowString = String.format("%6d%6d%6d%6d%n", row[0], row[1], row[2], row[3]);
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@ -132,36 +147,35 @@ public class Game {
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}
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public void pushLeft() {
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Log.d("Game", "Pushing Left"); // Pour le débogage
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boolean[] alreadyCombined = new boolean[4]; // Tableau par ligne cette fois
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Log.d("Game", "Pushing Left");
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boolean[] alreadyCombined = new boolean[4];
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for (int x = 0; x < 4; x++) { // Itère sur les *lignes* d'abord
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alreadyCombined = new boolean[4]; // Réinitialise pour chaque ligne
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for (int y = 1; y < 4; y++) { // Itère sur les *colonnes*, en commençant par la deuxième
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for (int x = 0; x < 4; x++) {
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alreadyCombined = new boolean[4];
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for (int y = 1; y < 4; y++) {
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if (gameBoard[x][y] != 0) {
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int value = gameBoard[x][y];
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int currentY = y; // Suit la colonne
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int currentY = y;
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// Déplace vers la gauche
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while (currentY > 0 && gameBoard[x][currentY - 1] == 0) {
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currentY--;
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}
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if (currentY == 0) { // Arrivé tout à gauche
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if (currentY == 0) {
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gameBoard[x][0] = value;
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if(currentY != y)
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gameBoard[x][y] = 0;
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} else if (gameBoard[x][currentY - 1] != value) { // Case à gauche différente
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} else if (gameBoard[x][currentY - 1] != value) {
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gameBoard[x][currentY] = value;
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if(currentY != y)
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gameBoard[x][y] = 0;
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} else if (!alreadyCombined[currentY - 1]) { // Case à gauche identique et non fusionnée
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gameBoard[x][currentY - 1] *= 2; // Fusionne
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} else if (!alreadyCombined[currentY - 1]) {
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gameBoard[x][currentY - 1] *= 2;
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score += gameBoard[x][currentY - 1];
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gameBoard[x][y] = 0;
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alreadyCombined[currentY - 1] = true; // Marque comme fusionné
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} else { // Case à gauche identique mais déjà fusionnée
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gameBoard[x][currentY] = value; // Place à côté
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alreadyCombined[currentY - 1] = true;
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} else {
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gameBoard[x][currentY] = value;
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if(currentY != y)
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gameBoard[x][y] = 0;
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}
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@ -171,36 +185,35 @@ public class Game {
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}
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public void pushRight() {
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Log.d("Game", "Pushing Right"); // Pour le débogage
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boolean[] alreadyCombined = new boolean[4]; // Tableau par ligne
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Log.d("Game", "Pushing Right");
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boolean[] alreadyCombined = new boolean[4];
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for (int x = 0; x < 4; x++) { // Itère sur les *lignes*
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alreadyCombined = new boolean[4]; // Réinitialise pour chaque ligne.
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for (int y = 2; y >= 0; y--) { // Itère sur les *colonnes*, de droite à gauche (avant-dernière vers première)
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for (int x = 0; x < 4; x++) {
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alreadyCombined = new boolean[4];
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for (int y = 2; y >= 0; y--) {
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if (gameBoard[x][y] != 0) {
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int value = gameBoard[x][y];
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int currentY = y; // Suit la colonne
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int currentY = y;
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// Déplace vers la droite
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while (currentY < 3 && gameBoard[x][currentY + 1] == 0) {
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currentY++;
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}
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if (currentY == 3) { // Arrivé tout à droite
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if (currentY == 3) {
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gameBoard[x][3] = value;
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if (currentY != y)
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gameBoard[x][y] = 0;
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} else if (gameBoard[x][currentY + 1] != value) { // Case à droite différente
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} else if (gameBoard[x][currentY + 1] != value) {
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gameBoard[x][currentY] = value;
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if(currentY != y)
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gameBoard[x][y] = 0;
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} else if (!alreadyCombined[currentY + 1]) { // Case à droite identique et non fusionnée
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gameBoard[x][currentY + 1] *= 2; // Fusionne
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} else if (!alreadyCombined[currentY + 1]) {
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gameBoard[x][currentY + 1] *= 2;
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score += gameBoard[x][currentY + 1];
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gameBoard[x][y] = 0;
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alreadyCombined[currentY + 1] = true; // Marque comme fusionné
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} else { // Case à droite identique mais déjà fusionnée
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gameBoard[x][currentY] = value; // Place à côté
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alreadyCombined[currentY + 1] = true;
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} else {
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gameBoard[x][currentY] = value;
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if (currentY != y)
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gameBoard[x][y] = 0;
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}
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@ -1,41 +1,154 @@
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package legion.muyue.best2048;
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import android.os.Bundle;
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import android.util.TypedValue;
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import android.view.Gravity;
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import android.widget.TextView;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.content.ContextCompat;
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import androidx.gridlayout.widget.GridLayout;
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public class MainActivity extends AppCompatActivity {
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private GridLayout gameBoardLayout;
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private TextView scoreTextView;
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private TextView highScoreTextView;
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private Game game;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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Game game = new Game();
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gameBoardLayout = findViewById(R.id.gameBoard);
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scoreTextView = findViewById(R.id.scoreLabel);
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highScoreTextView = findViewById(R.id.highScoreLabel);
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game = new Game();
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initGameBoardLayout();
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// Initialisation et tests des quatre directions
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game.addNewNumbers();
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game.addNewNumbers();
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game.addNewNumbers();
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game.printArray(); // Grille initiale
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updateUI();
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// Ajout des listeners de swipe
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setupSwipeListener();
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}
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private void initGameBoardLayout() {
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gameBoardLayout.removeAllViews();
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gameBoardLayout.setColumnCount(4);
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gameBoardLayout.setRowCount(4);
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}
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private void updateUI() {
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gameBoardLayout.removeAllViews(); // Efface les tuiles précédentes
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for (int x = 0; x < 4; x++) {
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for (int y = 0; y < 4; y++) {
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TextView tileTextView = new TextView(this);
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int value = game.getGameBoard(x, y);
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// Choisir le bon drawable en fonction de la valeur
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int drawableId;
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switch (value) {
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case 2:
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drawableId = R.drawable.tile2;
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break;
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case 4:
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drawableId = R.drawable.tile4;
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break;
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case 8:
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drawableId = R.drawable.tile8;
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break;
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case 16:
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drawableId = R.drawable.tile16;
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break;
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case 32:
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drawableId = R.drawable.tile32;
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break;
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case 64:
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drawableId = R.drawable.tile64;
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break;
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case 128:
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drawableId = R.drawable.tile128;
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break;
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case 256:
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drawableId = R.drawable.tile256;
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break;
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case 512:
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drawableId = R.drawable.tile512;
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break;
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case 1024:
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drawableId = R.drawable.tile1024;
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break;
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case 2048:
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drawableId = R.drawable.tile2048;
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break;
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default:
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drawableId = R.drawable.tile_empty;
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break;
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}
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tileTextView.setBackground(ContextCompat.getDrawable(this, drawableId));
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// Afficher le texte uniquement si la valeur est > 0
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if (value > 0) {
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tileTextView.setText(String.valueOf(value));
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// Adapte la taille du texte en fonction de la valeur.
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tileTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, value < 128 ? 24 : (value < 1024 ? 20 : 16));
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tileTextView.setTextColor(ContextCompat.getColor(this, R.color.text_tile_low));
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}
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tileTextView.setGravity(Gravity.CENTER);
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GridLayout.LayoutParams params = new GridLayout.LayoutParams();
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params.width = 0;
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params.height = 0;
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params.rowSpec = GridLayout.spec(x, 1f);
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params.columnSpec = GridLayout.spec(y, 1f);
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params.setMargins(10, 10, 10, 10); // Marges codées en dur selon l'extrait
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tileTextView.setLayoutParams(params);
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gameBoardLayout.addView(tileTextView);
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}
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}
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scoreTextView.setText("Score:\n" + game.getScore()); // Concaténation simple selon l'extrait
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highScoreTextView.setText("High Score:\n" + game.getHighScore()); // Concaténation simple selon l'extrait
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}
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private void setupSwipeListener() {
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gameBoardLayout.setOnTouchListener(new OnSwipeTouchListener(MainActivity.this) {
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@Override
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public void onSwipeTop() {
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game.pushUp();
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game.printArray(); // Après pushUp
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game.addNewNumbers();
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game.printArray(); // Avant pushDown
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updateUI();
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}
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@Override
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public void onSwipeBottom() {
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game.pushDown();
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game.printArray(); // Après pushDown
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game.addNewNumbers();
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game.printArray(); // Avant pushLeft
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updateUI();
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}
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@Override
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public void onSwipeLeft() {
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game.pushLeft();
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game.printArray(); // Après pushLeft
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game.addNewNumbers();
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game.printArray(); // Avant pushRight
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updateUI();
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}
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@Override
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public void onSwipeRight() {
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game.pushRight();
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game.printArray(); // Après pushRight
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game.addNewNumbers();
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updateUI();
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}
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});
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}
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}
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@ -0,0 +1,72 @@
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package legion.muyue.best2048;
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import android.content.Context;
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import android.view.GestureDetector;
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import android.view.MotionEvent;
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import android.view.View;
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public class OnSwipeTouchListener implements View.OnTouchListener {
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private final GestureDetector gestureDetector;
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public OnSwipeTouchListener(Context ctx) {
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gestureDetector = new GestureDetector(ctx, new GestureListener());
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}
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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return gestureDetector.onTouchEvent(event);
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}
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private final class GestureListener extends GestureDetector.SimpleOnGestureListener {
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private static final int SWIPE_THRESHOLD = 100;
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private static final int SWIPE_VELOCITY_THRESHOLD = 100;
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@Override
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public boolean onDown(MotionEvent e) {
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return true;
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}
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@Override
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public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
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boolean result = false;
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try {
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float diffY = e2.getY() - e1.getY();
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float diffX = e2.getX() - e1.getX();
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if (Math.abs(diffX) > Math.abs(diffY)) {
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if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
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if (diffX > 0) {
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onSwipeRight();
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} else {
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onSwipeLeft();
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}
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result = true;
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}
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} else if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
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if (diffY > 0) {
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onSwipeBottom();
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} else {
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onSwipeTop();
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}
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result = true;
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}
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} catch (Exception exception) {
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exception.printStackTrace();
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}
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return result;
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}
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}
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public void onSwipeRight() {
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}
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public void onSwipeLeft() {
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}
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public void onSwipeTop() {
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}
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public void onSwipeBottom() {
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}
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}
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