HZU 移动应用开发实验 2018.zip

package edu.hzuapps.androidlabs.soft1614080902127; import android.app.Activity; import android.graphics.Typeface; import android.os.Bundle; import android.os.Handler; import android.view.Gravity; import android.view.View; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TableLayout; import android.widget.TableRow; import android.widget.TextView; import android.widget.Toast; import java.util.Random; public class SecondActivity extends Activity { private TextView txtMineCount; private TextView txtTimer; private ImageButton btnSmile; private TableLayout mineField; private Block blocks[][]; private int blockDimension = 24; private int blockPadding = 2; private int numberOfRowsInMineField = 9; private int numberOfColumnsInMineField = 9; private int totalNumberOfMines = 10; private Handler timer = new Handler(); private int secondsPassed = 0; private boolean isTimerStarted; private boolean areMinesSet; private boolean isGameOver; private int minesToFind; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_second); txtMineCount = (TextView) findViewById(R.id.MineCount); txtTimer = (TextView) findViewById(R.id.Timer); // set font style for timer and mine count to LCD style Typeface lcdFont = Typeface.createFromAsset(getAssets(), "fonts/lcd2mono.ttf"); txtMineCount.setTypeface(lcdFont); txtTimer.setTypeface(lcdFont); btnSmile = (ImageButton) findViewById(R.id.Smiley); btnSmile.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { endExistingGame(); startNewGame(); } }); mineField = (TableLayout)findViewById(R.id.MineField); showDialog("Click smiley to start New Game", 2000, true, false); } private void startNewGame() { // plant mines and do rest of the calculations createMineField(); // display all blocks in UI showMineField(); minesToFind = totalNumberOfMines; isGameOver = false; secondsPassed = 0; } private void showMineField() { // remember we will not show 0th and last Row and Columns // they are used for calculation purposes only for (int row = 1; row < numberOfRowsInMineField + 1; row++) { TableRow tableRow = new TableRow(this); tableRow.setLayoutParams(new TableRow.LayoutParams((blockDimension + 2 * blockPadding) * numberOfColumnsInMineField, blockDimension + 2 * blockPadding)); for (int column = 1; column < numberOfColumnsInMineField + 1; column++) { blocks[row][column].setLayoutParams(new TableRow.LayoutParams( blockDimension + 2 * blockPadding, blockDimension + 2 * blockPadding)); blocks[row][column].setPadding(blockPadding, blockPadding, blockPadding, blockPadding); tableRow.addView(blocks[row][column]); } mineField.addView(tableRow,new TableLayout.LayoutParams( (blockDimension + 2 * blockPadding) * numberOfColumnsInMineField, blockDimension + 2 * blockPadding)); } } private void endExistingGame() { stopTimer(); // stop if timer is running txtTimer.setText("000"); // revert all text txtMineCount.setText("000"); // revert mines count btnSmile.setBackgroundResource(R.drawable.smile); // remove all rows from mineField TableLayout mineField.removeAllViews(); // set all variables to support end of game isTimerStarted = false; areMinesSet = false; isGameOver = false; minesToFind = 0; } private void createMineField() { // we take one row extra row for each side // overall two extra rows and two extra columns // first and last row/column are used for calculations purposes only // x|xxxxxxxxxxxxxx|x // ------------------ // x| |x // x| |x // ------------------ // x|xxxxxxxxxxxxxx|x // the row and columns marked as x are just used to keep counts of near by mines blocks = new Block[numberOfRowsInMineField + 2][numberOfColumnsInMineField + 2]; for (int row = 0; row < numberOfRowsInMineField + 2; row++) { for (int column = 0; column < numberOfColumnsInMineField + 2; column++) { blocks[row][column] = new Block(this); blocks[row][column].setDefaults(); // pass current row and column number as final int's to event listeners // this way we can ensure that each event listener is associated to // particular instance of block only final int currentRow = row; final int currentColumn = column; // add Click Listener // this is treated as Left Mouse click blocks[row][column].setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // start timer on first click if (!isTimerStarted) { startTimer(); isTimerStarted = true; } // set mines on first click if (!areMinesSet) { areMinesSet = true; setMines(currentRow, currentColumn); } // this is not first click // check if current block is flagged // if flagged the don't do anything // as that operation is handled by LongClick // if block is not flagged then uncover nearby blocks // till we get numbered mines if (!blocks[currentRow][currentColumn].isFlagged()) { // open nearby blocks till we get numbered blocks rippleUncover(currentRow, currentColumn); // did we clicked a mine if (blocks[currentRow][currentColumn].hasMine()) { // Oops, game over finishGame(currentRow,currentColumn); } // check if we win the game if (checkGameWin()) { // mark game as win winGame(); } } } }); // add Long Click listener // this is treated as right mouse click listener blocks[row][column].setOnLongClickListener(new View.OnLongClickListener() { public boolean onLongClick(View view) { // simulate a left-right (middle) click // if it is a long click on an opened mine then // open all surrounding blocks if (!blocks[currentRow][currentColumn].isCovered() && (blocks[currentRow][currentColumn].getNumberOfMinesInSorrounding() > 0) && !isGameOver) {