我为我的应用程序创建了一个android studio按钮，当我点击播放游戏按钮时，它不起作用。我没有得到任何错误，它只是不起作用。当用户点击播放游戏按钮时，我想进入测验活动......
HomeScreen.java
package com.littlekidsmath.yoong.mathlearningforkids;
import android.content.Intent;
import android.graphics.Typeface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import info.hoang8f.widget.FButton;
public class HomeScreen extends AppCompatActivity {
FButton playGame,quit;
TextView tQ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home_screen);
playGame =(FButton)findViewById(R.id.playGame);
quit = (FButton) findViewById(R.id.quit);
tQ = (TextView)findViewById(R.id.tQ);
//PlayGame button - it will take you to the MainGameActivity
playGame.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(HomeScreen.this,MainGameActivity.class);
startActivity(intent);
}
});
//Quit button - This will quit the game
quit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
}
});
//Typeface - this is for fonts style
Typeface typeface = Typeface.createFromAsset(getAssets(),"fonts/shablagooital.ttf");
playGame.setTypeface(typeface);
quit.setTypeface(typeface);
tQ.setTypeface(typeface);
}
}
activity home screen.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:fbutton="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
android:background="@color/backgroundColor"
tools:context="com.littlekidsmath.yoong.mathlearningforkids.HomeScreen">
<TextView
android:id="@+id/tQ"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/app_name"
android:gravity="center"
android:textSize="50sp"/>
<View
android:layout_width="match_parent"
android:layout_height="20dp"></View>
<ImageView
android:layout_width="200dp"
android:layout_height="200dp"
android:src="@drawable/triviafinal"/>
<info.hoang8f.widget.FButton
android:id="@+id/playGame"
fbutton:buttonColor="@color/lightGreen"
android:layout_width="300dp"
android:text="@string/play_game"
android:layout_height="wrap_content" />
<View
android:layout_width="match_parent"
android:layout_height="40dp"></View>
<info.hoang8f.widget.FButton
android:id="@+id/quit"
fbutton:buttonColor="@color/lightGreen"
android:layout_width="300dp"
android:text="@string/quit"
android:layout_height="wrap_content" />
MainGameActivity.java
package com.littlekidsmath.yoong.mathlearningforkids;
import android.app.Dialog;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.ColorDrawable;
import android.os.CountDownTimer;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.TextView;
import java.util.Collections;
import java.util.List;
import info.hoang8f.widget.FButton;
public class MainGameActivity extends AppCompatActivity {
FButton buttonA, buttonB, buttonC, buttonD;
TextView questionText, QuizText, timeText, resultText, coinText;
QuizHelper QuizHelper;
Question currentQuestion;
List<Question> list;
int qid = 0;
int timeValue = 20;
int coinValue = 0;
CountDownTimer countDownTimer;
Typeface tb, sb;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_game_main);
//Initializing variables
questionText = (TextView) findViewById(R.id.Question);
buttonA = (FButton) findViewById(R.id.buttonA);
buttonB = (FButton) findViewById(R.id.buttonB);
buttonC = (FButton) findViewById(R.id.buttonC);
buttonD = (FButton) findViewById(R.id.buttonD);
QuizText = (TextView) findViewById(R.id.QuizText);
timeText = (TextView) findViewById(R.id.timeText);
resultText = (TextView) findViewById(R.id.resultText);
coinText = (TextView) findViewById(R.id.coinText);
//Setting typefaces for textview and buttons - this will give stylish fonts on textview and button etc
tb = Typeface.createFromAsset(getAssets(), "fonts/TitilliumWeb-Bold.ttf");
sb = Typeface.createFromAsset(getAssets(), "fonts/shablagooital.ttf");
QuizText.setTypeface(sb);
questionText.setTypeface(tb);
buttonA.setTypeface(tb);
buttonB.setTypeface(tb);
buttonC.setTypeface(tb);
buttonD.setTypeface(tb);
timeText.setTypeface(tb);
resultText.setTypeface(sb);
coinText.setTypeface(tb);
//Our database helper class
QuizHelper = new QuizHelper(this);
//Make db writable
QuizHelper.getWritableDatabase();
//It will check if the ques,options are already added in table or not
//If they are not added then the getAllOfTheQuestions() will return a list of size zero
if (QuizHelper.getAllOfTheQuestions().size() == 0) {
//If not added then add the ques,options in table
QuizHelper.allQuestion();
}
//This will return us a list of data type TriviaQuestion
list = QuizHelper.getAllOfTheQuestions();
//Now we gonna shuffle the elements of the list so that we will get questions randomly
Collections.shuffle(list);
//currentQuestion will hold the que, 4 option and ans for particular id
currentQuestion = list.get(qid);
//countDownTimer
countDownTimer = new CountDownTimer(22000, 1000) {
public void onTick(long millisUntilFinished) {
//here you can have your logic to set text to timeText
timeText.setText(String.valueOf(timeValue) + "\"");
//With each iteration decrement the time by 1 sec
timeValue -= 1;
//This means the user is out of time so onFinished will called after this iteration
if (timeValue == -1) {
//Since user is out of time setText as time up
resultText.setText(getString(R.string.timeup));
//Since user is out of time he won't be able to click any buttons
//therefore we will disable all four options buttons using this method
disableButton();
}
}
//Now user is out of time
public void onFinish() {
//We will navigate him to the time up activity using below method
timeUp();
}
}.start();
//This method will set the que and four options
updateQueAndOptions();
}
public void updateQueAndOptions() {
//This method will setText for que and options
questionText.setText(currentQuestion.getQuestion());
buttonA.setText(currentQuestion.getOptA());
buttonB.setText(currentQuestion.getOptB());
buttonC.setText(currentQuestion.getOptC());
buttonD.setText(currentQuestion.getOptD());
timeValue = 20;
//Now since the user has ans correct just reset timer back for another que- by cancel and start
countDownTimer.cancel();
countDownTimer.start();
//set the value of coin text
coinText.setText(String.valueOf(coinValue));
//Now since user has ans correct increment the coinvalue
coinValue++;
}
//Onclick listener for first button
public void buttonA(View view) {
//compare the option with the ans if yes then make button color green
if (currentQuestion.getOptA().equals(currentQuestion.getAnswer())) {
buttonA.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.lightGreen));
//Check if user has not exceeds the que limit
if (qid < list.size() - 1) {
//Now disable all the option button since user ans is correct so
//user won't be able to press another option button after pressing one button
disableButton();
//Show the dialog that ans is correct
correctDialog();
}
//If user has exceeds the que limit just navigate him to GameWon activity
else {
gameWon();
}
}
//User ans is wrong then just navigate him to the PlayAgain activity
else {
gameLostPlayAgain();
}
}
//Onclick listener for sec button
public void buttonB(View view) {
if (currentQuestion.getOptB().equals(currentQuestion.getAnswer())) {
buttonB.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.lightGreen));
if (qid < list.size() - 1) {
disableButton();
correctDialog();
} else {
gameWon();
}
} else {
gameLostPlayAgain();
}
}
//Onclick listener for third button
public void buttonC(View view) {
if (currentQuestion.getOptC().equals(currentQuestion.getAnswer())) {
buttonC.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.lightGreen));
if (qid < list.size() - 1) {
disableButton();
correctDialog();
} else {
gameWon();
}
} else {
gameLostPlayAgain();
}
}
//Onclick listener for fourth button
public void buttonD(View view) {
if (currentQuestion.getOptD().equals(currentQuestion.getAnswer())) {
buttonD.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.lightGreen));
if (qid < list.size() - 1) {
disableButton();
correctDialog();
} else {
gameWon();
}
} else {
gameLostPlayAgain();
}
}
//This method will navigate from current activity to GameWon
public void gameWon() {
Intent intent = new Intent(this, GameWon.class);
startActivity(intent);
finish();
}
//This method is called when user ans is wrong
//this method will navigate user to the activity PlayAgain
public void gameLostPlayAgain() {
Intent intent = new Intent(this, PlayAgain.class);
startActivity(intent);
finish();
}
//This method is called when time is up
//this method will navigate user to the activity Time_Up
public void timeUp() {
Intent intent = new Intent(this, Time_Up.class);
startActivity(intent);
finish();
}
//If user press home button and come in the game from memory then this
//method will continue the timer from the previous time it left
@Override
protected void onRestart() {
super.onRestart();
countDownTimer.start();
}
//When activity is destroyed then this will cancel the timer
@Override
protected void onStop() {
super.onStop();
countDownTimer.cancel();
}
//This will pause the time
@Override
protected void onPause() {
super.onPause();
countDownTimer.cancel();
}
//On BackPressed
@Override
public void onBackPressed() {
Intent intent = new Intent(this, HomeScreen.class);
startActivity(intent);
finish();
}
//This dialog is show to the user after he ans correct
public void correctDialog() {
final Dialog dialogCorrect = new Dialog(MainGameActivity.this);
dialogCorrect.requestWindowFeature(Window.FEATURE_NO_TITLE);
if (dialogCorrect.getWindow() != null) {
ColorDrawable colorDrawable = new ColorDrawable(Color.TRANSPARENT);
dialogCorrect.getWindow().setBackgroundDrawable(colorDrawable);
}
dialogCorrect.setContentView(R.layout.dialog_correct);
dialogCorrect.setCancelable(false);
dialogCorrect.show();
//Since the dialog is show to user just pause the timer in background
onPause();
TextView correctText = (TextView) dialogCorrect.findViewById(R.id.correctText);
FButton buttonNext = (FButton) dialogCorrect.findViewById(R.id.dialogNext);
//Setting type faces
correctText.setTypeface(sb);
buttonNext.setTypeface(sb);
//OnCLick listener to go next que
buttonNext.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//This will dismiss the dialog
dialogCorrect.dismiss();
//it will increment the question number
qid++;
//get the que and 4 option and store in the currentQuestion
currentQuestion = list.get(qid);
//Now this method will set the new que and 4 options
updateQueAndOptions();
//reset the color of buttons back to white
resetColor();
//Enable button - remember we had disable them when user ans was correct in there particular button methods
enableButton();
}
});
}
//This method will make button color white again since our one button color was turned green
public void resetColor() {
buttonA.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.white));
buttonB.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.white));
buttonC.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.white));
buttonD.setButtonColor(ContextCompat.getColor(getApplicationContext(),R.color.white));
}
//This method will disable all the option button
public void disableButton() {
buttonA.setEnabled(false);
buttonB.setEnabled(false);
buttonC.setEnabled(false);
buttonD.setEnabled(false);
}
//This method will all enable the option buttons
public void enableButton() {
buttonA.setEnabled(true);
buttonB.setEnabled(true);
buttonC.setEnabled(true);
buttonD.setEnabled(true);
}
}
有人可以帮忙吗？单击播放游戏按钮时，应用程序将关闭。我希望它转到名为MainGameActivity.java的测验页面。我在Manifest中声明MainGameActivity已经无法正常工作。
这是Logcat
01-24 04:05:08.914 9833-9833/com.littlekidsmath.yoong.mathlearningforkids I/art: Late-enabling -Xcheck:jni
01-24 04:05:09.194 9833-9833/com.littlekidsmath.yoong.mathlearningforkids I/InstantRun: starting instant run server: is main process
01-24 04:05:09.364 9833-9833/com.littlekidsmath.yoong.mathlearningforkids W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android. graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package- private method in android.graphics.drawable.Drawable
01-24 04:05:09.414 9833-9833/com.littlekidsmath.yoong.mathlearningforkids E/Process: android_os_Process_getProcessNameByPid pid is 9833
01-24 04:05:09.414 9833-9833/com.littlekidsmath.yoong.mathlearningforkids E/Process: android_os_Process_getProcessNameByPid value is learningforkids
01-24 04:05:09.654 9833-9833/com.littlekidsmath.yoong.mathlearningforkids W/art: Before Android 4.1, method int android.support.v7.widget.ListViewCompat.lookForSelectablePosition(int, boolean) would have incorrectly overridden the package-private method in android.widget.ListView
01-24 04:05:09.664 9833-9833/com.littlekidsmath.yoong.mathlearningforkids I/ListPopupWindow: Could not find method setEpicenterBounds(Rect) on PopupWindow. Oh well.
01-24 04:05:09.704 9833-9856/com.littlekidsmath.yoong.mathlearningforkids D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true
01-24 04:05:09.714 9833-9833/com.littlekidsmath.yoong.mathlearningforkids D/Atlas: Validating map...
01-24 04:05:09.774 9833-9856/com.littlekidsmath.yoong.mathlearningforkids I/Adreno-EGL: <qeglDrvAPI_eglInitialize:379>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_LA.BR.1.1.3.C8.05.01.00.115.128_msm8916_64_refs/tags/AU_LINUX_ANDROID_LA.BR.1.1.3.C8.05.01.00.115.128__release_AU (I55c48cad9a)
OpenGL ES Shader Compiler Version: E031.25.03.04
Build Date: 03/21/17 Tue
Local Branch:
Remote Branch: refs/tags/AU_LINUX_ANDROID_LA.BR.1.1.3.C8.05.01.00.115.128
Local Patches: NONE
Reconstruct Branch: NOTHING
01-24 04：05：09.774 9833-9856 / com.littlekidsmath.yoong.mathlearningforkids I / OpenGLRenderer：初始化的EGL，版本1.4 01-24 04：05：09.774 9833-9856 / com.littlekidsmath.yoong.mathlearningforkids D / OpenGLRenderer：启用调试模式0