public class MainActivity extends AppCompatActivity {
int foulCounterA = 0;
int scoreOnePointTeamA = 0;
int periodCount = 0;
private TextView tv1;
private TextView period;
private Button startbtn, cancelbtn;
private ToggleButton togbtn;
private boolean isPaused = false;
private boolean isCanceled = false;
private long remainingTime = 0;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv1 = (TextView) findViewById(R.id.tv1);
period = (TextView) findViewById(R.id.period_number);
startbtn = (Button) findViewById(R.id.startBtn);
cancelbtn = (Button) findViewById(R.id.cancelBtn);
togbtn = (ToggleButton) findViewById(R.id.togBtn);
cancelbtn.setEnabled(false);
togbtn.setEnabled(false);
startbtn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
foulCounterA = 0;
foulCounterB = 0;
displayForTeamAFoul(foulCounterA);
displayForTeamBFoul(foulCounterB);
if (periodCount < 3)
periodCount = periodCount + 1;
else periodCount = 4;
period.setText("Period " + periodCount);
startbtn.setEnabled(false);
cancelbtn.setEnabled(true);
togbtn.setEnabled(true);
isPaused = false;
isCanceled = false;
long millisInFuture = 20000; /////20sec
long countDownInterval = 1000; /////1sec
new CountDownTimer(millisInFuture, countDownInterval) {
#Override
public void onTick(long millisUntilFinished) {
if (isPaused || isCanceled) {
cancel();
} else {
tv1.setText("" + millisUntilFinished / 1000);
remainingTime = millisUntilFinished;
}
}
#Override
public void onFinish() {
startbtn.setEnabled(true);
togbtn.setEnabled(false);
if (periodCount < 4)
tv1.setText("Times up!");
else tv1.setText("Game Over!");
}
}.start();
}
});
togbtn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
if (togbtn.isChecked()) {
isPaused = true;
} else {
isPaused = false;
long millisInFuture = remainingTime;
long countDownInterval = 1000; /////1sec
new CountDownTimer(millisInFuture, countDownInterval) {
#Override
public void onTick(long millisUntilFinished) {
if (isPaused || isCanceled) {
cancel();
} else {
tv1.setText("" + millisUntilFinished / 1000);
remainingTime = millisUntilFinished;
}
}
#Override
public void onFinish() {
startbtn.setEnabled(true);
togbtn.setEnabled(false);
if (periodCount < 4)
tv1.setText("Times up!");
else tv1.setText("Game Over!");
}
}.start();
}
}
});
cancelbtn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
isCanceled = true;
period.setText("Period");
tv1.setText("Timer");
startbtn.setEnabled(true);
togbtn.setEnabled(false);
cancelbtn.setEnabled(false);
foulCounterA = 0;
foulCounterB = 0;
periodCount = 0;
displayForTeamAFoul(foulCounterA);
displayForTeamBFoul(foulCounterB);
}
});
}
public void onePointForTeamA(View v) {
scoreTeamA = scoreTeamA + 1;
scoreOnePointTeamA = scoreOnePointTeamA + 1;
displayForTeamA(scoreTeamA);
displayForTeamAOnePoint(scoreOnePointTeamA);
}
public void foulCountForTeamA(View v) {
if (foulCounterA < 5)
foulCounterA = foulCounterA + 1;
else
foulCounterA = 5;
displayForTeamAFoul(foulCounterA);
}
public void displayForTeamAOnePoint(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_score_1_point);
scoreView.setText(String.valueOf(score));
}
public void displayForTeamAFoul(int score) {
TextView scoreView = (TextView) findViewById(R.id.team_a_foul);
scoreView.setText(String.valueOf(score));
}
}
I wanted to make the java code as simple as I can so I've just added the lines for my question. What I'm trying to do is
android:onClick="onePointForTeamA"make this button only clickable when foulCounterA = 5 Failed to add if (foulCounterA = 5); inside public void foulCountForTeamA(View v) {
It gave me an error that way. Says required: boolean, found: int.
What should I do with the code? Any help will be appreeciated
Regarding your concrete question, the syntax of if (foulCounterA = 5); is wrong, because the equation check is have to made by == operator.
So the correct syntax would be if (foulCounterA == 5);
As #OH GOD SPIDERS wrote in the comment, you should check the basics of java operators.
Also I recommend You to search for the answer before asking a new question.
Related
I'm working on a fragment that includes two timers that take user input. Timer B is linked to timer A such that when timer A is started, so is timer B. The purpose of timer A is to count down once. The purpose of timer B is to count down, beep once at 0, reset to the original value, and repeat. The problem I'm having is that when timer B reaches 0, it doesn't reset and start counting down right away. The timer seems to be delayed further by calling ToneGenerator. This results in the two timers becoming more and more out of sync each time timer B resets.
For example, say timer A is set to 10 seconds and timer B is set to 2 seconds.
-The timers are started-
timer A:10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
timer B: 2, 1, 0, 2, 1, 0, 2, 1, 0, 2, 1
The timer only beeps 3 times (when timer B is at 0,) when it should beep 5 times (5 sets of 2 second intervals = 10 seconds: the value of timer A.) In other words, I'd like timer B to beep when timer A is at 8, 6, 4, 2, and 0.
How might I accomplish this?
I've consulted the forums, YT, and have tried playing around with the value for millisInFuture.
Fragment
public class fragmentdro extends Fragment {
private EditText session_edit_text;
private EditText dro_edit_text;
private TextView session_text_view;
private TextView dro_text_view;
private Button session_start_button;
private Button dro_start_button;
private Button session_reset_button;
private Button dro_reset_button;
private Button session_set_button;
private Button dro_set_button;
private CountDownTimer sessionTimer;
private CountDownTimer droTimer;
private boolean SessionTimerRunning;
private boolean DROTimerRunning;
private long SessionStartTimeInMillis;
private long DROStartTimeInMillis;
private long SessionTimeLeftInMillis = SessionStartTimeInMillis;
private long DROTimeLeftInMillis = DROStartTimeInMillis;
private long SessionEndTime;
private long DROEndTime;
View View;
public View onCreateView(#NonNull LayoutInflater inflater, #NonNull ViewGroup container, #NonNull Bundle savedInstanceState) {
View = inflater.inflate(R.layout.dro_fragment, container, false);
session_edit_text = View.findViewById(R.id.session_edit_text);
dro_edit_text = View.findViewById(R.id.dro_edit_text);
session_text_view = View.findViewById(R.id.session_text_view);
dro_text_view = View.findViewById(R.id.dro_text_view);
session_start_button = View.findViewById(R.id.session_start_button);
dro_start_button = View.findViewById(R.id.dro_start_button);
session_reset_button = View.findViewById(R.id.session_reset_button);
dro_reset_button = View.findViewById(R.id.dro_reset_button);
session_set_button = View.findViewById(R.id.session_set_button);
dro_set_button = View.findViewById(R.id.dro_set_button);
InputMethodManager imm = (InputMethodManager)getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
ToneGenerator toneGenerator = new ToneGenerator(AudioManager.STREAM_ALARM, 100);
Timer A
session_set_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(android.view.View view) {
String Sessioninput = session_edit_text.getText().toString();
if (Sessioninput.length() == 0) {
Toast.makeText(getActivity(), "Fill it in", Toast.LENGTH_SHORT).show();
return;
}
long millisInput = Long.parseLong(Sessioninput) * 1000;
if (millisInput == 0) {
Toast.makeText(getActivity(), "Please enter a positive number", Toast.LENGTH_SHORT).show();
return;
}
setSessionTime(millisInput);
session_edit_text.setText("");
imm.hideSoftInputFromWindow(getView().getWindowToken(), 0);
}
});
session_start_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(android.view.View view) {
if (SessionTimerRunning) {
pauseSessionTimer();
resetDROTimer();
} else {
startSessionTimer();
startDROTimer();
}
}
});
session_reset_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(android.view.View view) {
if (SessionTimerRunning) {
resetSessionTimer();
} else {
resetSessionTimer();
}
}
});
public void setSessionTime(long milliseconds) {
SessionStartTimeInMillis = milliseconds;
resetSessionTimer();
}
public void startSessionTimer() {
SessionEndTime = System.currentTimeMillis() + SessionTimeLeftInMillis;
sessionTimer = new CountDownTimer(SessionTimeLeftInMillis, 100) {
#Override
public void onTick(long millisUntilFinished) {
SessionTimeLeftInMillis = millisUntilFinished;
updateSessionText();
}
#Override
public void onFinish() {
SessionTimerRunning = false;
session_start_button.setText("Start");
session_start_button.setVisibility(android.view.View.INVISIBLE);
session_reset_button.setVisibility(android.view.View.VISIBLE);
}
}.start();
SessionTimerRunning = true;
session_start_button.setText("Pause");
}
public void pauseSessionTimer() {
sessionTimer.cancel();
droTimer.cancel();
SessionTimerRunning = false;
DROTimerRunning = false;
session_start_button.setText("Start");
updateSessionText();
}
public void resetSessionTimer() {
if (SessionTimerRunning) {
sessionTimer.cancel();
SessionTimeLeftInMillis = (SessionStartTimeInMillis);
updateSessionInterface();
startSessionTimer();
} else {
SessionTimeLeftInMillis = (SessionStartTimeInMillis);
updateSessionText();
updateSessionInterface();
session_reset_button.setVisibility(android.view.View.VISIBLE);
session_start_button.setVisibility(android.view.View.VISIBLE);
}
}
public void updateSessionText() {
int minutes = (int) (SessionTimeLeftInMillis/1000/60);
int seconds = (int) (SessionTimeLeftInMillis/1000)%60;
String timeLeftFormatted = String.format(Locale.getDefault(),
timeLeftFormatted = String.format(Locale.getDefault(), "%2d:%02d", minutes, seconds));
session_text_view.setText(timeLeftFormatted);
}
public void updateSessionInterface() {
if (SessionTimerRunning) {
session_edit_text.setVisibility(android.view.View.INVISIBLE);
session_set_button.setVisibility(android.view.View.INVISIBLE);
session_reset_button.setVisibility(android.view.View.VISIBLE);
session_start_button.setText("Pause");
} else {
session_edit_text.setVisibility(android.view.View.VISIBLE);
session_set_button.setVisibility(android.view.View.VISIBLE);
session_reset_button.setVisibility(android.view.View.VISIBLE);
session_start_button.setText("Start");
}
}
Timer B
dro_set_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(android.view.View view) {
String DROinput = dro_edit_text.getText().toString();
if (DROinput.length() == 0) {
Toast.makeText(getActivity(), "Fill it in", Toast.LENGTH_SHORT).show();
return;
}
long millisInput = Long.parseLong(DROinput) * 1000;
if (millisInput == 0) {
Toast.makeText(getActivity(), "Please enter a positive number", Toast.LENGTH_SHORT).show();
return;
}
setDROTime(millisInput);
dro_edit_text.setText("");
imm.hideSoftInputFromWindow(getView().getWindowToken(), 0);
}
});
dro_start_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(android.view.View view) {
if (DROTimerRunning) {
pauseDROTimer();
} else {
startDROTimer();
}
}
});
dro_reset_button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(android.view.View view) {
if (DROTimerRunning) {
resetDROTimer();
} else {
resetDROTimer();
}
}
});
return View;
}
public void setDROTime(long milliseconds) {
DROStartTimeInMillis = milliseconds;
resetDROTimer();
}
public void startDROTimer() {
DROEndTime = System.currentTimeMillis() + DROTimeLeftInMillis;
droTimer = new CountDownTimer(DROTimeLeftInMillis, 100) {
#Override
public void onTick(long millisUntilFinished) {
DROTimeLeftInMillis = millisUntilFinished;
updateDROText();
}
#Override
public void onFinish() {
ToneGenerator toneGenerator = new ToneGenerator(AudioManager.STREAM_ALARM, 400);
toneGenerator.startTone(ToneGenerator.TONE_CDMA_ALERT_CALL_GUARD, 200);
DROTimerRunning = false;
DROTimeLeftInMillis = DROStartTimeInMillis;
updateDROText();
updateDROInterface();
startDROTimer();
}
}.start();
DROTimerRunning = true;
dro_start_button.setText("Pause");
}
public void pauseDROTimer() {
droTimer.cancel();
DROTimerRunning = false;
dro_start_button.setText("Start");
updateDROText();
}
public void resetDROTimer() {
if (DROTimerRunning) {
droTimer.cancel();
DROTimeLeftInMillis = (DROStartTimeInMillis);
updateDROInterface();
startDROTimer();
} else {
DROTimeLeftInMillis = (DROStartTimeInMillis);
updateDROText();
updateDROInterface();
dro_reset_button.setVisibility(android.view.View.VISIBLE);
dro_start_button.setVisibility(android.view.View.VISIBLE);
}
}
public void updateDROText() {
int seconds = (int) (DROTimeLeftInMillis/1000)%60;
String timeLeftFormatted = String.format(Locale.getDefault(),
timeLeftFormatted = String.format(Locale.getDefault(), ":%02d", seconds));
dro_text_view.setText(timeLeftFormatted);
}
public void updateDROInterface() {
if (DROTimerRunning) {
dro_edit_text.setVisibility(android.view.View.INVISIBLE);
dro_set_button.setVisibility(android.view.View.INVISIBLE);
dro_reset_button.setVisibility(android.view.View.VISIBLE);
dro_start_button.setText("Pause");
} else {
dro_edit_text.setVisibility(android.view.View.VISIBLE);
dro_set_button.setVisibility(android.view.View.VISIBLE);
dro_reset_button.setVisibility(android.view.View.VISIBLE);
dro_start_button.setText("Start");
}
}
#Override
public void onStop() {
super.onStop();
SharedPreferences preferences = this.getActivity().getSharedPreferences("prefs", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = preferences.edit();
editor.putLong("SessionStartTimeInMillis", SessionStartTimeInMillis);
editor.putLong("DROStartTimeInMillis", DROStartTimeInMillis);
editor.putLong("MillisLeft", SessionTimeLeftInMillis);
editor.putLong("DROMillisLeft", DROTimeLeftInMillis);
editor.putBoolean("TimerRunning", SessionTimerRunning);
editor.putBoolean("DROTimerRunning", DROTimerRunning);
editor.putLong("EndTime", SessionEndTime);
editor.putLong("DROEndTime", DROEndTime);
if (sessionTimer !=null); {
sessionTimer.cancel();
}
}
#Override
public void onStart() {
super.onStart();
SharedPreferences preferences = this.getActivity().getSharedPreferences("prefs", Context.MODE_PRIVATE);
SessionStartTimeInMillis = preferences.getLong("SessionStartTimeInMillis", 0);
SessionTimeLeftInMillis = preferences.getLong("MillisLeft", SessionTimeLeftInMillis);
SessionTimerRunning = preferences.getBoolean("TimerRunning", false);
DROStartTimeInMillis = preferences.getLong("DROStartTimeInMillis", 0);
DROTimeLeftInMillis = preferences.getLong("DROMillisLeft", DROTimeLeftInMillis);
DROTimerRunning = preferences.getBoolean("DROTimerRunning", false);
updateSessionText();
updateSessionInterface();
updateDROText();
updateDROInterface();
if (SessionTimerRunning) {
SessionEndTime = preferences.getLong("EndTime", 0);
SessionTimeLeftInMillis = SessionEndTime - System.currentTimeMillis();
if (SessionTimeLeftInMillis <0) {
SessionTimeLeftInMillis = 0;
SessionTimerRunning = false;
} else {
startSessionTimer();
}
}
if (DROTimerRunning) {
DROEndTime = preferences.getLong("EndTime", 0);
DROTimeLeftInMillis = DROEndTime - System.currentTimeMillis();
if (DROTimeLeftInMillis <0) {
DROTimeLeftInMillis = 0;
DROTimerRunning = false;
} else {
startDROTimer();
}
}
}
}
This code right here is a random math questionnaire and I want to know how to be able to transfer the amount of questions answered right and wrong to a separate stats page after each time they answer a question. I want the stats page to save the numbers so that if the user exits the program and then goes back on later they can still look at their total right answered questions and wrong answered questions. Ive been looking all over the internet and cant find a good way to learn this. If anyone has some advice I would really appreciate it. btw this is pretty much all the code in the main page; I didn't add the stats page code (because it has pretty much nothing.)
Pushme1-4 are the buttons and the AdditionEasyRight and AdditionEasyWrong are the number counts that are displayed on the main page.
public class AdditionEasy extends AppCompatActivity {
int countCNumAddE = 0;
int countWNumAddE = 0;
boolean hasAnswered;
public static final String MY_PREFS_NAME = "MyPrefsFile";
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.addition);
final TextView count = (TextView) findViewById(R.id.Count);
final TextView count2 = (TextView) findViewById(R.id.Count2);
Button homeButton = (Button) findViewById(R.id.homeButton);
super.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
final TextView textOne = (TextView) findViewById(R.id.textView);
final TextView textTwo = (TextView) findViewById(R.id.textView2);
final Button pushMe1 = (Button) findViewById(R.id.button1);
final Button pushMe2 = (Button) findViewById(R.id.button2);
final Button pushMe3 = (Button) findViewById(R.id.button3);
final Button pushMe4 = (Button) findViewById(R.id.button4);
final Button begin = (Button) findViewById(R.id.begin);
begin.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
hasAnswered = false;
pushMe1.setEnabled(true);
pushMe2.setEnabled(true);
pushMe3.setEnabled(true);
pushMe4.setEnabled(true);
begin.setVisibility(View.INVISIBLE);
pushMe1.setVisibility(View.VISIBLE);
pushMe2.setVisibility(View.VISIBLE);
pushMe3.setVisibility(View.VISIBLE);
pushMe4.setVisibility(View.VISIBLE);
pushMe1.setTextColor(Color.BLACK);
pushMe2.setTextColor(Color.BLACK);
pushMe3.setTextColor(Color.BLACK);
pushMe4.setTextColor(Color.BLACK);
pushMe1.setTextSize(20);
pushMe2.setTextSize(20);
pushMe3.setTextSize(20);
pushMe4.setTextSize(20);
textTwo.setText("");
String randGenChoice1 = "";
String randGenChoice2 = "";
String randGenChoice3 = "";
String randGenChoice4 = "";
String randText2 = "";
String randText3 = "";
Random RandomNum = new Random();
int randChoice1 = RandomNum.nextInt(40) + 1;
int randChoice2 = RandomNum.nextInt(40) + 1;
int randChoice3 = RandomNum.nextInt(40) + 1;
int randChoice4 = RandomNum.nextInt(40) + 1;
int rando2 = RandomNum.nextInt(20) + 1;
int rando3 = RandomNum.nextInt(20) + 1;
int pick = RandomNum.nextInt(4);
randGenChoice1 = Integer.toString(randChoice1);
randGenChoice2 = Integer.toString(randChoice2);
randGenChoice3 = Integer.toString(randChoice3);
randGenChoice4 = Integer.toString(randChoice4);
randText2 = Integer.toString(rando2);
randText3 = Integer.toString(rando3);
int value1;
int value2;
value1 = Integer.parseInt(randText2);
value2 = Integer.parseInt(randText3);
final int value = value1 + value2;
String line = randText2 + " + " + randText3;
textOne.setText(line);
final String answer;
answer = Integer.toString(value);
pushMe1.setText(randGenChoice1);
pushMe2.setText(randGenChoice2);
pushMe3.setText(randGenChoice3);
pushMe4.setText(randGenChoice4);
Button[] choice = {pushMe1, pushMe2, pushMe3, pushMe4};
Button display = choice[pick];
display.setText(answer);
pushMe1.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
int buttonAnswer = Integer.parseInt(pushMe1.getText().toString());
if (buttonAnswer == value) {
begin.setVisibility(View.VISIBLE);
textTwo.setText("Correct!");
textTwo.setTextColor(Color.BLACK);
pushMe1.setTextColor(Color.GREEN);
pushMe1.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyRight = Integer.toString(++countCNumAddE);
count.setText(AdditionEasyRight);
hasAnswered = true;
}
begin.setText("New Question");
begin.setTextSize(20);
pushMe2.setVisibility(View.INVISIBLE);
pushMe3.setVisibility(View.INVISIBLE);
pushMe4.setVisibility(View.INVISIBLE);
pushMe1.setEnabled(false);
pushMe2.setEnabled(false);
pushMe3.setEnabled(false);
pushMe4.setEnabled(false);
}else{
textTwo.setText("Wrong!");
textTwo.setTextColor(Color.BLACK);
pushMe1.setTextColor(Color.RED);
pushMe1.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyWrong = Integer.toString(++countWNumAddE);
count2.setText(AdditionEasyWrong);
hasAnswered = true;
}
pushMe1.setEnabled(false);
}
}
});
pushMe2.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
int buttonAnswer = Integer.parseInt(pushMe2.getText().toString());
if (buttonAnswer == value) {
begin.setVisibility(View.VISIBLE);
textTwo.setText("Correct!");
textTwo.setTextColor(Color.BLACK);
pushMe2.setTextColor(Color.GREEN);
pushMe2.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyRight = Integer.toString(++countCNumAddE);
count.setText(AdditionEasyRight);
hasAnswered = true;
}
begin.setText("New Question");
begin.setTextSize(20);
pushMe1.setVisibility(View.INVISIBLE);
pushMe3.setVisibility(View.INVISIBLE);
pushMe4.setVisibility(View.INVISIBLE);
pushMe1.setEnabled(false);
pushMe2.setEnabled(false);
pushMe3.setEnabled(false);
pushMe4.setEnabled(false);
}else{
textTwo.setText("Wrong!");
textTwo.setTextColor(Color.BLACK);
pushMe2.setTextColor(Color.RED);
pushMe2.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyWrong = Integer.toString(++countWNumAddE);
count2.setText(AdditionEasyWrong);
hasAnswered = true;
}
pushMe2.setEnabled(false);
}
}
});
pushMe3.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
int buttonAnswer = Integer.parseInt(pushMe3.getText().toString());
if (buttonAnswer == value) {
begin.setVisibility(View.VISIBLE);
textTwo.setText("Correct!");
textTwo.setTextColor(Color.BLACK);
pushMe3.setTextColor(Color.GREEN);
pushMe3.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyRight = Integer.toString(++countCNumAddE);
count.setText(AdditionEasyRight);
hasAnswered = true;
}
begin.setText("New Question");
begin.setTextSize(20);
pushMe1.setVisibility(View.INVISIBLE);
pushMe2.setVisibility(View.INVISIBLE);
pushMe4.setVisibility(View.INVISIBLE);
pushMe1.setEnabled(false);
pushMe2.setEnabled(false);
pushMe3.setEnabled(false);
pushMe4.setEnabled(false);
}else{
textTwo.setText("Wrong!");
textTwo.setTextColor(Color.BLACK);
pushMe3.setTextColor(Color.RED);
pushMe3.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyWrong = Integer.toString(++countWNumAddE);
count2.setText(AdditionEasyWrong);
hasAnswered = true;
}
pushMe3.setEnabled(false);
}
}
});
pushMe4.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
int buttonAnswer = Integer.parseInt(pushMe4.getText().toString());
if (buttonAnswer == value) {
begin.setVisibility(View.VISIBLE);
textTwo.setText("Correct!");
textTwo.setTextColor(Color.BLACK);
pushMe4.setTextColor(Color.GREEN);
pushMe4.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyRight = Integer.toString(++countCNumAddE);
count.setText(AdditionEasyRight);
hasAnswered = true;
}
begin.setText("New Question");
begin.setTextSize(20);
pushMe1.setVisibility(View.INVISIBLE);
pushMe2.setVisibility(View.INVISIBLE);
pushMe3.setVisibility(View.INVISIBLE);
pushMe1.setEnabled(false);
pushMe2.setEnabled(false);
pushMe3.setEnabled(false);
pushMe4.setEnabled(false);
}else{
textTwo.setText("Wrong!");
textTwo.setTextColor(Color.BLACK);
pushMe4.setTextColor(Color.RED);
pushMe4.setTextSize(30);
if (hasAnswered != true) {
String AdditionEasyWrong = Integer.toString(++countWNumAddE);
count2.setText(AdditionEasyWrong);
hasAnswered = true;
}
pushMe4.setEnabled(false);
}
}
});
}
});
homeButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
Intent homepage = new Intent(AdditionEasy.this , Menu.class);
startActivity(homepage);
}
});
}
}
Hello im working with an jumpingApp that will count how many times you are jumping and im using accelorometer sensor.
The problem i got is that i don't really know how to put the delay so it is perfect, sometimes a jump counts as 2 jump sometimes it doesn't register and sometimes it works good. I would like to have around 0.4sec on every count jump.
private TextView textView;
private TextView text;
private SensorManager sensorManager;
double ax,ay,az;
boolean newJumpAccepted = true;
int numbersOfJumps = 0;
long startTime = 0;
int count;
MediaPlayer mediaPlayer;
Handler timerHandler = new Handler();
Runnable timerRunnable = new Runnable() {
#Override
public void run() {
long millis = System.currentTimeMillis() - startTime;
if(millis>400){
newJumpAccepted = true;
} else {
newJumpAccepted = false;
}
int seconds = (int) (millis / 1000);
int minutes = seconds / 60;
seconds = seconds % 60;
timerHandler.postDelayed(this,500);
}
};
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sensorManager=(SensorManager) getSystemService(SENSOR_SERVICE);
sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_FASTEST);
text = (TextView) findViewById(R.id.text);
textView = (TextView) findViewById(R.id.textView);
}
#Override
public void onAccuracyChanged(Sensor arg0, int arg1) {
}
#Override
public void onSensorChanged(SensorEvent event){
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
String result = "";
double d = Math.round(event.values[1]);
float threshold = preferences.getFloat("hello", 11);
if (d != 0 && d >= threshold && newJumpAccepted){
count++;
}
Log.i("hej", String.valueOf(d));
text.setText("Jump made" + " " + count + " " + d);
text.invalidate();
startTime();
}
private void startTime() {
if(newJumpAccepted) {
startTime = System.currentTimeMillis();
timerHandler.postDelayed(timerRunnable, 0);
}
newJumpAccepted = false;
}
}
Timer timer;
MyTimerTask myTimerTask;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sensorManager=(SensorManager) getSystemService(SENSOR_SERVICE);
sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_FASTEST);
text = (TextView) findViewById(R.id.text);
textView = (TextView) findViewById(R.id.textView);
if(timer != null){
timer.cancel();
}
timer = new Timer();
myTimerTask = new MyTimerTask();
timer.schedule(myTimerTask, 400, 400);
}
class MyTimerTask extends TimerTask {
#Override
public void run() {
runOnUiThread(new Runnable() {
#Override
public void run() {
if (!newJumpAccepted) {
text.setText(String.valueOf(count));
newJumpAccepted = true;
}
}
});
}
}
I got a problem with CountDownTimer's StartButton: the timer doesn't start after pressing the button. How do I fix that?
I want to start the timer by pressing button buttonCount.
Can someone help me please?
int clicks = 0;
TextView textCount;
ImageButton buttonCount;
int guessCount =0;
boolean started = false;
boolean timerProcessing = false;
private CountDownTimer count;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_newgame);
count = new CountDownTimer(15000, 1000) {
public void onTick(long millisUntilFinished) {
int seconds = (int) ((millisUntilFinished / 1000));
textic.setText("Time Left: " + millisUntilFinished / 1000);
}
public void onFinish() {
textic.setText("Time's Up!");
buttonCount.setEnabled(false);
if (clicks > oldscore)
getSharedPreferences("myPrefs", MODE_PRIVATE).edit().putInt("highscore", clicks).commit();
}
};
final int oldscore = getSharedPreferences("myPrefs", MODE_PRIVATE).getInt("highscore", 0);
final TextView textView = (TextView) findViewById(R.id.applesEaten);
buttonCount = (ImageButton) findViewById(R.id.button);
buttonCount.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
clicks++;
textView.setText("Clicks: " + clicks);
TextView textView = (TextView) findViewById(R.id.topScoreView);
textView.setText("Best: " + oldscore);
if(!started){
count.start();
started = true;
timerProcessing = true;
}
}
});
final TextView textic = (TextView) findViewById(R.id.textView2);
}
It seems to me this is what you really want to do:
private int clicks = 0;
private TextView textCount;
private ImageButton buttonCount;
private int guessCount = 0;
private CountDownTimer count; // RENAMED
private boolean started = false; // FALSE.
private boolean timerProcessing = false;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_newgame);
count = new CountDownTimer(15000, 1000) { // MOVED UP
public void onTick(long millisUntilFinished) {
int seconds = (int) ((millisUntilFinished / 1000));
textic.setText("Time Left: " + millisUntilFinished / 1000);
}
public void onFinish() {
textic.setText("Time's Up!");
buttonCount.setEnabled(false);
if (clicks > oldscore)
getSharedPreferences("myPrefs", MODE_PRIVATE).edit().putInt("highscore", clicks).commit();
}
};
final int oldscore = getSharedPreferences("myPrefs", MODE_PRIVATE).getInt("highscore", 0);
final TextView textView = (TextView) findViewById(R.id.applesEaten);
buttonCount = (ImageButton) findViewById(R.id.button);
buttonCount.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
clicks++;
textView.setText("Clicks: " + clicks);
TextView textView = (TextView) findViewById(R.id.topScoreView);
textView.setText("Best: " + oldscore);
if(!started){
count.start(); // START COUNTDOWN TIMER
started = true;
timerProcessing = true;
}
}
});
final TextView textic = (TextView) findViewById(R.id.textView2);
}
And if you really want to start another CountDownTimer than the one you create at the bottom (named count). Then you need to instantiate it and set its behaviour, just like you do for the other CountownTimer.
Also, all the variables you use need to be created before (textic, oldscore)
After each trivia game is over, the Results page displays. After about 20 seconds, which is how long each question gives you during the game before your time runs out and it goes to the next question, the Results page reloads. Then when you go to the Highscores page, the score has been entered twice. So something is screwed up in my QuestionView class below but I cannot find the bug.
If any further information is needed let me know. Thank you in advanced!
Results.java
total_score = dh.calculateTotalScore(score, percentage);
if(dh.getLowest() == -1) {
dh.insert(score, percentage, total_score, category);
} else {
dh.delete(dh.getLowest());
dh.insert(score, percentage, total_score, category);
}
DatabaseHelper.java
public long insert(long score, int percentage, long total_score, String category) {
ContentValues values = new ContentValues();
values.put(SCORE, score);
values.put(PERCENTAGE, percentage);
values.put(TOTAL_SCORE, total_score);
values.put(CATEGORY, category);
return db.insert(TABLE, null, values);
}
public void delete(long lowScore) {
lowScore = getLowest();
db.delete(TABLE, TOTAL_SCORE + "=" + lowScore, null);
}
public long getLowest() {
Cursor c = db.rawQuery("SELECT * FROM " + TABLE + " ORDER BY " + TOTAL_SCORE, null);
long count = c.getCount();
long lowScore = -1;
if(count == 10) {
c.moveToLast();
lowScore = c.getInt(c.getColumnIndex(TOTAL_SCORE));
}
return lowScore;
}
public long calculateTotalScore(long score, int percentage) {
long i;
return i = (percentage * 1000) + score;
}
QuestionView.java
public class QuestionView extends Activity {
int correctAnswers = 0;
int wrongAnswers = 0;
int answer = 0;
int i = 0;
long score = 0;
long startTime = 20000;
long interval = 1000;
long points;
boolean timerHasStarted = false;
String category;
Button answer1, answer2, answer3, answer4;
TextView question, pointCounter, questionNumber, timeCounter;
ArrayList<Question> queries;
Timer cdTimer;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.questionviewmain);
answer1 = (Button)findViewById(R.id.answer1);
answer2 = (Button)findViewById(R.id.answer2);
answer3 = (Button)findViewById(R.id.answer3);
answer4 = (Button)findViewById(R.id.answer4);
question = (TextView)findViewById(R.id.question);
category = getIntent().getStringExtra("category");
queries = getIntent().getParcelableArrayListExtra("queries");
pointCounter = (TextView)findViewById(R.id.timer);
questionNumber = (TextView)findViewById(R.id.timeElapsedView);
timeCounter = (TextView)findViewById(R.id.timeCounter);
cdTimer = new Timer(startTime, interval);
loadQuestion();
}
public void loadQuestion() {
if(i == 10) {
endQuiz();
} else {
if(!timerHasStarted) {
cdTimer.start();
timerHasStarted = true;
} else {
cdTimer.start();
timerHasStarted = false;
}
answer = queries.get(i).getCorrectAnswer();
question.setText(queries.get(i).getQuery());
answer1.setText(queries.get(i).getA1());
answer2.setText(queries.get(i).getA2());
answer3.setText(queries.get(i).getA3());
answer4.setText(queries.get(i).getA4());
answer1.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
queries.get(i).setSelectedAnswer(0);
if(answer == 0) {
correctAnswers++;
nextQuestion();
} else {
wrongAnswers++;
nextQuestion();
}
}
});
answer2.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
queries.get(i).setSelectedAnswer(1);
if(answer == 1) {
correctAnswers++;
nextQuestion();
} else {
wrongAnswers++;
nextQuestion();
}
}
});
answer3.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
queries.get(i).setSelectedAnswer(2);
if(answer == 2) {
correctAnswers++;
nextQuestion();
} else {
wrongAnswers++;
nextQuestion();
}
}
});
answer4.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
queries.get(i).setSelectedAnswer(3);
if(answer == 3) {
correctAnswers++;
nextQuestion();
} else {
wrongAnswers++;
nextQuestion();
}
}
});
}
}
public ArrayList<Question> getQueries() {
return queries;
}
public void nextQuestion() {
score = score + points;
i++;
loadQuestion();
}
public class Timer extends CountDownTimer {
public Timer(long startTime, long interval) {
super(startTime, interval);
}
#Override
public void onFinish() {
if(i >= 9) {
cdTimer.cancel();
endQuiz();
} else {
wrongAnswers++;
nextQuestion();
}
}
#Override
public void onTick(long millisUntilFinished) {
timeCounter.setText("Time remaining: " + (millisUntilFinished / 100));
points = (millisUntilFinished / 100) / 2;
pointCounter.setText("Points remaining: " + points);
if(i < 10) {
questionNumber.setText("Question " + (i + 1) + " of 10");
}
}
}
public void endQuiz() {
Intent intent = new Intent(QuestionView.this, Results.class);
intent.putExtra("correctAnswers", correctAnswers);
intent.putExtra("wrongAnswers", wrongAnswers);
intent.putExtra("score", score);
intent.putParcelableArrayListExtra("queries", queries);
intent.putExtra("category", category);
startActivity(intent);
}
}
THE FIX:
Changed:
if(i == 10) {
endQuiz();
}
...to this:
if(i == 10) {
cdTimer.cancel();
endQuiz();
}**
Probably endQuiz gets called twice. And only when you answer the last question before the timer is up.
Because, I don't see you canceling the timer when you answer the last question. So, even though you answered already, the timer is still ticking, and when it is up, it will call endQuiz.
If you don't answer the last question and let the time run out, then the result will be inserted only once, because endQuiz will be called only once, from the timer.