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DEV/DEV4.5/exo4_controle_2022

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Fichier MainColorActivity.java
package com.example.organisation;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import androidx.appcompat.app.AppCompatActivity;
public class MainColorActivity extends AppCompatActivity {
private View selectedView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_color);
findViewById(R.id.blueBox).setOnClickListener(v -> openColorPicker(v));
findViewById(R.id.greenBox).setOnClickListener(v -> openColorPicker(v));
}
private void openColorPicker(View view) {
selectedView = view;
Intent intent = new Intent(this, ColorPickerActivity.class);
startActivityForResult(intent, 1);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 1 && resultCode == RESULT_OK && data != null) {
int color = data.getIntExtra("selectedColor", 0);
selectedView.setBackgroundColor(color);
}
}
}
Fichier ColorPickerActivity.java
package com.example.organisation;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import androidx.appcompat.app.AppCompatActivity;
public class ColorPickerActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_color_picker);
}
public void selectColor(View view) {
int color = ((View) view).getSolidColor();
Intent intent = new Intent();
intent.putExtra("selectedColor", color);
setResult(Activity.RESULT_OK, intent);
finish();
}
}
Fichier activity_main_color.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="20dp">
<View
android:id="@+id/blueBox"
android:layout_width="100dp"
android:layout_height="100dp"
android:background="#33B5E5"
android:onClick="openColorPicker"/>
<View
android:id="@+id/greenBox"
android:layout_width="100dp"
android:layout_height="100dp"
android:background="#99CC00"
android:onClick="openColorPicker"/>
</LinearLayout>
Fichier activity_color_picker.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:padding="20dp">
<View
android:layout_width="100dp"
android:layout_height="100dp"
android:background="#FF0000"
android:onClick="selectColor"/>
<View
android:layout_width="100dp"
android:layout_height="100dp"
android:background="#00FF00"
android:onClick="selectColor"/>
<View
android:layout_width="100dp"
android:layout_height="100dp"
android:background="#0000FF"
android:onClick="selectColor"/>
</LinearLayout>