tp 3 exo 2

DEV4.5/app/src/main/java/com/example/choix/Choix.java

@@ -0,0 +1,72 @@
+package com.example.choix;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.provider.MediaStore;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.RadioGroup;
+import android.graphics.Path;
+
+import androidx.annotation.Nullable;
+
+public class Choix extends View{
+    private Paint paint;
+    private RadioGroup radioGroup;
+
+    public Choix(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        paint = new Paint();
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas)
+    {
+        radioGroup = getRootView().findViewById(R.id.groupe);
+        choixListener cl = new choixListener(this);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.croix).setOnClickListener(cl);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.carre).setOnClickListener(cl);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.rond).setOnClickListener(cl);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.triangle).setOnClickListener(cl);
+
+        if(radioGroup.getCheckedRadioButtonId() == R.id.carre) {
+            super.onDraw(canvas);
+            paint.setARGB(255, 210, 210, 90);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+            canvas.drawRect(100, 100, 300, 300, paint);
+        }
+        else if(radioGroup.getCheckedRadioButtonId() == R.id.rond) {
+            super.onDraw(canvas);
+            paint.setARGB(255, 210, 210, 90);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+            canvas.drawCircle(200,200,100,paint);
+        }
+        else if(radioGroup.getCheckedRadioButtonId() == R.id.triangle) {
+            super.onDraw(canvas);
+            paint.setARGB(255, 0, 255, 0);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+
+
+
+            canvas.drawLine( 200, 100, 300, 300, paint);
+            canvas.drawLine( 300, 300, 100, 300, paint);
+            canvas.drawLine( 100, 300, 200, 100, paint);
+        }
+        else{
+            super.onDraw(canvas);
+            paint.setARGB(255, 0, 0, 255);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+
+            canvas.drawLine(100, 100, 300, 300, paint);
+            canvas.drawLine(100, 300, 300, 100, paint);
+        }
+
+
+    }
+}

DEV4.5/app/src/main/java/com/example/choix/MainActivity.java

@@ -0,0 +1,15 @@
+package com.example.choix;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.view.View;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}

DEV4.5/app/src/main/java/com/example/choix/choixListener.java

@@ -0,0 +1,19 @@
+package com.example.choix;
+
+import android.view.View;
+import android.widget.RadioGroup;
+
+public class choixListener implements View.OnClickListener {
+
+    private Choix choix;
+
+    public choixListener(Choix choix) {
+        super();
+        this.choix = choix;
+    }
+
+    @Override
+    public void onClick(View view) {
+        choix.invalidate();
+    }
+}