Toast.makeText. Параметр context

public static void MyFunction(Context context, int param1, int param2) {
//
//
//
Toast.makeText(context, "qwerty", Toast.LENGTH_LONG).show();
}

import android.app.Application;
 
public class MyApp extends Application {
 
    @Override
    public void onCreate() {
        super.onCreate();
        Show.init(this);
    }
}

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.annotation.StringRes;
import android.widget.Toast;
 
import java.lang.ref.WeakReference;
 
public class Show {
 
    private final WeakReference<Context> ref;
    private static Show instance;
 
    private Show(Context context) {
        ref = new WeakReference<>(context);
    }
 
    public static void init(@NonNull Context context) {
        instance = new Show(context);
    }
 
    public static void shortToast(@StringRes int id) {
        if (instance == null || instance.ref.get() == null) return;
        Toast.makeText(instance.ref.get(), id, Toast.LENGTH_SHORT).show();
    }
 
    public static void longToast(@StringRes int id) {
        if (instance == null || instance.ref.get() == null) return;
        Toast.makeText(instance.ref.get(), id, Toast.LENGTH_LONG).show();
    }
 
    public static void shortToast(String text) {
        if (instance == null || instance.ref.get() == null) return;
        Toast.makeText(instance.ref.get(), text, Toast.LENGTH_SHORT).show();
    }
 
    public static void longToast(String text) {
        if (instance == null || instance.ref.get() == null) return;
        Toast.makeText(instance.ref.get(), text, Toast.LENGTH_LONG).show();
    }
}