[Java] BuildConfig

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btnClick"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:textAllCaps="false"
        android:text="Is this BuildConfig.DEBUG?"
        android:textSize="20dp"
        android:textStyle="italic"/>

</LinearLayout>

activity_main.xml

 

 

 

 

 

 

MainActivity.java

package com.jwsoft.javaproject;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    Button btnClick;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btnClick = findViewById(R.id.btnClick);

        btnClick.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (BuildConfig.DEBUG) {
                    Toast.makeText(getApplicationContext(), "BuildConfig.DEBUG", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }

}

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