Hello,
Could anyone help please on the next topic?
My android app does not start on emulator. it gets stuck on this step "Starting activity com..MainActivity on device emulator-5554"
package com.fun.funapp;
import java.util.Random;
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.fun.funapp"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="18"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
package com.fun.funapp;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class mainActivityy extends Activity {
private MainActivity mGame;
private Button mBoardButtons[];
private TextView mInfoTextView;
private TextView mHumanCount;
private TextView mTieCount;
private TextView mAndroidCount;
private int mHumanCounter = 0;
private int mTieCounter = 0;
private int mAndroidCounter = 0;
private boolean mHumanFirst = true;
private boolean mGameOver = false;
public void onCreate(Bundle savedInstancesState) {
super.onCreate(savedInstancesState);
setContentView(R.layout.activity_main);
mBoardButtons = new Button[mGame.getBoardSize()];
mBoardButtons[0] = (Button) findViewById(R.id.Button03);
mBoardButtons[1] = (Button) findViewById(R.id.Button01);
mBoardButtons[2] = (Button) findViewById(R.id.Button02);
mBoardButtons[3] = (Button) findViewById(R.id.Button04);
mBoardButtons[4] = (Button) findViewById(R.id.Button05);
mBoardButtons[5] = (Button) findViewById(R.id.Button06);
mBoardButtons[6] = (Button) findViewById(R.id.Button07);
mBoardButtons[7] = (Button) findViewById(R.id.Button08);
mBoardButtons[8] = (Button) findViewById(R.id.Button09);
mInfoTextView = (TextView) findViewById(R.id.information);
mHumanCount = (TextView) findViewById(R.id.humanCount);
mTieCount = (TextView) findViewById(R.id.TiesCount);
mAndroidCount = (TextView) findViewById(R.id.AndroidCount);
mHumanCount.setText(Integer.toString(mHumanCounter));
mAndroidCount.setText(Integer.toString(mAndroidCounter));
mTieCount.setText(Integer.toString(mTieCounter));
mGame = new MainActivity();
startNewGame();
}
private void startNewGame() {
mGame.clearBoard();
for (int i = 0; i < mBoardButtons.length; i++) {
mBoardButtons[i].setText("");
mBoardButtons[i].setEnabled(true);
mBoardButtons[i].setOnClickListener(new ButtonClickListener(i));
}
if (mHumanFirst) {
mInfoTextView.setText(R.string.human_first);
mHumanFirst = false;
} else {
mInfoTextView.setText(R.string.android_turn);
int move = mGame.getComputerMove();
setMove(mGame.Android_Player, move);
mHumanFirst = true;
}
}
private class ButtonClickListener implements View.OnClickListener {
int location;
public ButtonClickListener(int location) {
this.location = location;
}
public void onClick(View view) {
if (!mGameOver) {
if (mBoardButtons[location].isEnabled()) {
setMove(mGame.Human_Player, location);
int winner = mGame.checkForWinner();
if (winner == 0) {
mInfoTextView.setText(R.string.android_turn);
int move = mGame.getComputerMove();
setMove(mGame.Android_Player, move);
winner = mGame.checkForWinner();
}
if (winner == 0)
mInfoTextView.setText(R.string.human_turn);
else if (winner == 1) {
mInfoTextView.setText(R.string.ties);
mTieCounter++;
mTieCount.setText(Integer.toString(mTieCounter));
mGameOver = true;
} else if (winner == 2)
mInfoTextView.setTag(R.string.human_win);
mHumanCounter++;
mHumanCount.setText(Integer.toString(mHumanCounter));
mGameOver = true;
}
else {
mInfoTextView.setTag(R.string.android_win);
mAndroidCounter++;
mAndroidCount.setText(Integer.toString(mAndroidCounter));
mGameOver = true;
}
}
}
}
private void setMove(char player, int location) {
mGame.setMove(player, location);
mBoardButtons[location].setEnabled(false);
mBoardButtons[location].setText(String.valueOf(player));
if (player == mGame.Human_Player)
mBoardButtons[location].setTextColor(Color.GREEN);
else
mBoardButtons[location].setTextColor(Color.RED);
}
}
import android.app.Activity;
public class MainActivity extends Activity {
private char mBoard[];
private final static int Board_Size = 9;
public final char Human_Player = 'X';
public final char Android_Player = 'O';
public static final char Empty_space = ' ';
private Random mRand;
public int getBoardSize() {
return Board_Size;
}
public MainActivity() {
mBoard = new char[Board_Size];
for (int i = 0; i < Board_Size; i++)
mBoard[i] = Empty_space;
mRand = new Random();
}
public void clearBoard() {
for (int i = 0; i < Board_Size; i++) {
mBoard[i] = Empty_space;
}
}
public void setMove(char player, int location) {
mBoard[location] = player;
}
public int getComputerMove() {
int move;
for (int i = 0; i < Board_Size; i++) {
if (mBoard[i] != Human_Player && mBoard[i] != Android_Player) {
char c = mBoard[i];
mBoard[i] = Empty_space;
if (checkForWinner() == 3) {
setMove(Android_Player, i);
return i;
} else
mBoard[i] = c;
}
}
for (int i = 0; i < Board_Size; i++) {
if (mBoard[i] != Human_Player && mBoard[i] != Human_Player) {
char c = mBoard[i];
mBoard[i] = Empty_space;
if (checkForWinner() == 2) {
setMove(Android_Player, i);
return i;
} else
mBoard[i] = c;
}
}
do {
move = mRand.nextInt(getBoardSize());
} while (mBoard[move] == Human_Player || mBoard[move] == Android_Player);
setMove(Android_Player, move);
return move;
}
public int checkForWinner() {
for (int i = 0; i < 6; i += 3) {
if (mBoard[i] == Human_Player && mBoard[i + 1] == Human_Player
&& mBoard[i + 2] == Human_Player)
return 2;
if (mBoard[i] == Android_Player && mBoard[i + 1] == Android_Player
&& mBoard[i + 2] == Android_Player)
return 3;
}
for (int i = 0; i < 2; i += 3) {
if (mBoard[i] == Human_Player && mBoard[i + 3] == Human_Player
&& mBoard[i + 6] == Human_Player)
return 2;
if (mBoard[i] == Android_Player && mBoard[i + 3] == Android_Player
&& mBoard[i + 6] == Android_Player)
return 3;
}
if ((mBoard[0] == Human_Player && mBoard[4] == Human_Player && mBoard[8] == Human_Player)
|| mBoard[2] == Human_Player
&& mBoard[4] == Human_Player
&& mBoard[6] == Human_Player)
return 2;
if ((mBoard[0] == Android_Player && mBoard[4] == Android_Player && mBoard[8] == Android_Player)
|| mBoard[2] == Android_Player
&& mBoard[4] == Android_Player
&& mBoard[6] == Android_Player)
return 3;
for (int i = 0; i < Board_Size; i++) {
if (mBoard[i] != Human_Player && mBoard[i] != Android_Player)
return 0;
}
return 1;
}
}
Please help me.
Thanks
