MainActivity.java Source code

Introduction

Here is the source code for MainActivity.java

Source

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Switch;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private final int MENU_DOWNLOAD = 1;
    private final int MENU_SETTINGS = 2;

    private boolean showDownloadMenu = false;

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(0, MENU_DOWNLOAD, 0, R.string.menu_download);
        menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings);
        return true;
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        MenuItem menuItem = menu.findItem(MENU_DOWNLOAD);
        menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
        menuItem.setVisible(showDownloadMenu);
        return true;
    }

    public void toggleMenu(View view) {
        showDownloadMenu = !showDownloadMenu;
        invalidateOptionsMenu();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case MENU_DOWNLOAD:
            Toast.makeText(this, R.string.menu_download, Toast.LENGTH_LONG).show();
            break;
        case MENU_SETTINGS:
            Toast.makeText(this, R.string.menu_settings, Toast.LENGTH_LONG).show();
            break;
        default:
            return super.onContextItemSelected(item);
        }
        return true;
    }

}