/* * Copyright (C) 2020 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.car.rotaryplayground; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Toast; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentActivity; import java.util.Random; /** * The main activity for Rotary Playground * * This activity starts the menu fragment and handles event calls (e.g. android:onClick) from * elements in fragments. */ public class RotaryActivity extends FragmentActivity { private static final String TAG = "RotaryActivity"; private final Random mRandom = new Random(); private Fragment mMenuFragment = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.rotary_activity); showMenuFragment(); } /** Event handler for button clicks. */ public void onRotaryButtonClick(View v) { final String[] greetings = getResources().getStringArray(R.array.greetings); showToast(greetings[mRandom.nextInt(greetings.length)]); } private void showMenuFragment() { if (mMenuFragment == null) { mMenuFragment = new RotaryMenu(); } getSupportFragmentManager().beginTransaction() .replace(R.id.rotary_menu, mMenuFragment) .commit(); } private void showToast(String message) { Log.d(TAG, "showToast -> " + message); Toast.makeText(this, message, Toast.LENGTH_SHORT).show(); } }