public class JlActivity extends AppCompatActivity {
private static final String AD_UNIT_ID = "ca-app-pub-3940256099942544/5224354917";
private static final long COUNTER_TIME = 10;
private static final int GAME_OVER_REWARD = 1;
private static final String TAG = "JlActivity";
private int coinCount;
private TextView coinCountText;
private CountDownTimer countDownTimer;
private boolean gameOver;
private boolean gamePaused;
private RewardedAd rewardedAd;
private Button retryButton;
private Button showVideoButton;
private long timeRemaining;
boolean isLoading;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_jl);
MobileAds.initialize(this, new OnInitializationCompleteListener() {
@Override
public void onInitializationComplete(InitializationStatus initializationStatus) {
}
});
loadRewardedAd();
// Create the "retry" button, which tries to show a rewarded ad between game plays.
retryButton = findViewById(R.id.retry_button);
retryButton.setVisibility(View.INVISIBLE);
retryButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
startGame();
}
});
// Create the "show" button, which shows a rewarded video if one is loaded.
showVideoButton = findViewById(R.id.show_video_button);
showVideoButton.setVisibility(View.INVISIBLE);
showVideoButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
showRewardedVideo();
}
});
// Display current coin count to user.
coinCountText = findViewById(R.id.coin_count_text);
coinCount = 0;
coinCountText.setText("硬币: " + coinCount);
startGame();
}
@Override
public void onPause() {
super.onPause();
pauseGame();
}
@Override
public void onResume() {
super.onResume();
if (!gameOver && gamePaused) {
resumeGame();
}
}
private void pauseGame() {
countDownTimer.cancel();
gamePaused = true;
}
private void resumeGame() {
createTimer(timeRemaining);
gamePaused = false;
}
private void loadRewardedAd() {
if (rewardedAd == null) {
isLoading = true;
AdRequest adRequest = new AdRequest.Builder().build();
RewardedAd.load(
this,
AD_UNIT_ID,
adRequest,
new RewardedAdLoadCallback() {
@Override
public void onAdFailedToLoad(@NonNull LoadAdError loadAdError) {
// Handle the error.
Log.d(TAG, loadAdError.getMessage());
rewardedAd = null;
JlActivity.this.isLoading = false;
Toast.makeText(JlActivity.this, "onAdFailedToLoad", Toast.LENGTH_SHORT).show();
}
@Override
public void onAdLoaded(@NonNull RewardedAd rewardedAd) {
JlActivity.this.rewardedAd = rewardedAd;
Log.d(TAG, "onAdLoaded");
JlActivity.this.isLoading = false;
Toast.makeText(JlActivity.this, "onAdLoaded", Toast.LENGTH_SHORT).show();
}
});
}
}
private void addCoins(int coins) {
coinCount += coins;
coinCountText.setText("硬币: " + coinCount);
}
private void startGame() {
// Hide the retry button, load the ad, and start the timer.
retryButton.setVisibility(View.INVISIBLE);
showVideoButton.setVisibility(View.INVISIBLE);
if (rewardedAd != null && !isLoading) {
loadRewardedAd();
}
createTimer(COUNTER_TIME);
gamePaused = false;
gameOver = false;
}
// Create the game timer, which counts down to the end of the level
// and shows the "retry" button.
private void createTimer(long time) {
final TextView textView = findViewById(R.id.timer);
if (countDownTimer != null) {
countDownTimer.cancel();
}
countDownTimer =
new CountDownTimer(time * 1000, 50) {
@Override
public void onTick(long millisUnitFinished) {
timeRemaining = ((millisUnitFinished / 1000) + 1);
textView.setText("剩余秒数: " + timeRemaining);
}
@Override
public void onFinish() {
if (rewardedAd != null) {
showVideoButton.setVisibility(View.VISIBLE);
}
textView.setText("你输了！");
addCoins(GAME_OVER_REWARD);
retryButton.setVisibility(View.VISIBLE);
gameOver = true;
}
};
countDownTimer.start();
}
private void showRewardedVideo() {
if (rewardedAd == null) {
Log.d("TAG", "The rewarded ad wasn't ready yet.");
return;
}
showVideoButton.setVisibility(View.INVISIBLE);
rewardedAd.setFullScreenContentCallback(
new FullScreenContentCallback() {
@Override
public void onAdShowedFullScreenContent() {
// Called when ad is shown.
Log.d(TAG, "onAdShowedFullScreenContent");
Toast.makeText(JlActivity.this, "onAdShowedFullScreenContent", Toast.LENGTH_SHORT)
.show();
}
@Override
public void onAdFailedToShowFullScreenContent(AdError adError) {
// Called when ad fails to show.
Log.d(TAG, "onAdFailedToShowFullScreenContent");
// Don't forget to set the ad reference to null so you
// don't show the ad a second time.
rewardedAd = null;
Toast.makeText(
JlActivity.this, "onAdFailedToShowFullScreenContent", Toast.LENGTH_SHORT)
.show();
}
@Override
public void onAdDismissedFullScreenContent() {
// Called when ad is dismissed.
// Don't forget to set the ad reference to null so you
// don't show the ad a second time.
rewardedAd = null;
Log.d(TAG, "onAdDismissedFullScreenContent");
Toast.makeText(JlActivity.this, "onAdDismissedFullScreenContent", Toast.LENGTH_SHORT)
.show();
// Preload the next rewarded ad.
JlActivity.this.loadRewardedAd();
}
});
Activity activityContext = JlActivity.this;
rewardedAd.show(
activityContext,
new OnUserEarnedRewardListener() {
@Override
public void onUserEarnedReward(@NonNull RewardItem rewardItem) {
// Handle the reward.
Log.d("TAG", "The user earned the reward.");
int rewardAmount = rewardItem.getAmount();
String rewardType = rewardItem.getType();
}
});
}
}
