拼圖游戲

• 項目簡介
• 權限
• adapter
• • PictureListAdapter
  • PuzzleAdapter
• bean
• • ItemBean
• Presenter
• • IPuzzlePresenter
  • PuzzlePresenterImpl
• ui
• • IGameCallback
• utils
• • Constant
  • ImagesUtils
  • ScreenUtils
• View
• • MainActivity
  • PuzzleActivity
• 布局
• • activity_main.xml
  • activity_puzzle.xml

項目簡介

選擇圖片，生成拼圖，通過移動拼圖還原圖片通關游戲，選擇界面如下

游戲界面如下

采用MVP架構，項目結構如下

權限

需要讀取相冊中的圖片

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

adapter

PictureListAdapter

public class PictureListAdapter extends BaseAdapter {private Context mContext;private List<Bitmap> mBitmapList;public PictureListAdapter(Context context, List<Bitmap> bitmapList) {mContext = context;mBitmapList = bitmapList;}@Overridepublic int getCount() {return mBitmapList.size();}@Overridepublic Object getItem(int position) {return mBitmapList.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView item = new ImageView(mContext);item.setImageBitmap(mBitmapList.get(position));return item;} }

PuzzleAdapter

public class PuzzleAdapter extends BaseAdapter {private List<ItemBean> mItemBeanList;public PuzzleAdapter() {mItemBeanList = new ArrayList<>();}public void setData(List<ItemBean> itemBeanList) {mItemBeanList.clear();for (ItemBean itemBean : itemBeanList) {try {mItemBeanList.add((ItemBean) itemBean.clone());} catch (CloneNotSupportedException e) {e.printStackTrace();}}}@Overridepublic int getCount() {return mItemBeanList.size();}@Overridepublic Object getItem(int position) {return mItemBeanList.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView item = new ImageView(parent.getContext());/*item.setLayoutParams(new GridView.LayoutParams(GridView.LayoutParams.MATCH_PARENT, GridView.LayoutParams.MATCH_PARENT));item.setScaleType(ImageView.ScaleType.FIT_XY);*/item.setImageBitmap(mItemBeanList.get(position).getBitmap());return item;} }

bean

ItemBean

public class ItemBean implements Cloneable {private int mOriID; //表示拼圖原始順序private int mPuzzleID; //表示拼圖打亂后的順序private Bitmap mBitmap;public ItemBean() {}public ItemBean(int oriID, int puzzleID, Bitmap bitmap) {mOriID = oriID;mPuzzleID = puzzleID;mBitmap = bitmap;}public int getOriID() {return mOriID;}public void setOriID(int oriID) {mOriID = oriID;}public int getPuzzleID() {return mPuzzleID;}public void setPuzzleID(int puzzleID) {mPuzzleID = puzzleID;}public Bitmap getBitmap() {return mBitmap;}public void setBitmap(Bitmap bitmap) {mBitmap = bitmap;}@Overridepublic String toString() {return "ItemBean{" +"mOriID=" + mOriID +", mPuzzleID=" + mPuzzleID +", mBitmap=" + mBitmap +'}';}@NonNull@Overridepublic Object clone() throws CloneNotSupportedException {return super.clone();} }

Presenter

IPuzzlePresenter

public interface IPuzzlePresenter {enum STATE {SUCCESS, FAILED_STEP, FAILED_TIME}void registerGameCallback(IGameCallback gameControl);void unRegisterGameCallback();//生成拼圖數據void loadPuzzleData(Context context, Bitmap oriBitmap);//復位拼圖void resetGame();//交換拼圖void swapPuzzle(int position);//生成新的游戲void restartGame();}

PuzzlePresenterImpl

public class PuzzlePresenterImpl implements IPuzzlePresenter {private static final String TAG = "PuzzlePresenterImpl";private IGameCallback mCallback;private ItemBean mLastBitmap;private Bitmap mOriBitmap;private List<ItemBean> mPuzzleList;private List<ItemBean> mResetList;private int mType;private Map<Integer, Integer> mCountDownMap;private Map<Integer, Integer> mStepCountMap;private int mCurrentStep;private int mCurrentTime;private Timer mTimer;private TimerTask mTimerTask;public PuzzlePresenterImpl(int type) {mPuzzleList = new ArrayList<>();mResetList = new ArrayList<>();mType = type;mCountDownMap = new HashMap<>();mCountDownMap.put(2, 180);mCountDownMap.put(3, 300);mCountDownMap.put(4, 600);mStepCountMap = new HashMap<>();mStepCountMap.put(2, 10);mStepCountMap.put(3, 150);mStepCountMap.put(4, 500);}@Overridepublic void registerGameCallback(IGameCallback callback) {this.mCallback = callback;}@Overridepublic void unRegisterGameCallback() {mTimer.cancel();/*mPuzzleList.clear();mResetList.clear();*/this.mCallback = null;}@Overridepublic void loadPuzzleData(Context context, Bitmap oriBitmap) {Log.d(TAG, "loadPuzzleData: ");initPuzzle(context, oriBitmap);startGame();}private void startGame() {shufflePuzzle();cloneItemBeanList(mPuzzleList, mResetList);initCountDown();if (mCallback != null) {mCallback.onLoadPuzzleData(mOriBitmap, mPuzzleList);}startCountDown();}private void cloneItemBeanList(List<ItemBean> from, List<ItemBean> to) {if (to != null && to.size() != 0) {to.clear();}for (ItemBean itemBean : from) {try {to.add((ItemBean) itemBean.clone());} catch (CloneNotSupportedException e) {e.printStackTrace();}}}private void initCountDown() {mCurrentTime = mCountDownMap.get(mType);mCurrentStep = mStepCountMap.get(mType);}private void initPuzzle(Context context, Bitmap oriBitmap) {mOriBitmap = ImagesUtils.resizeBitmap(oriBitmap, ScreenUtils.getScreenWidthPixels(context), ScreenUtils.getScreenWidthPixels(context));int itemWidth = mOriBitmap.getWidth() / mType;int itemHeight = mOriBitmap.getHeight() / mType;for (int i = 1; i <= mType; i++) {for (int j = 1; j <= mType; j++) {Bitmap bitmap = Bitmap.createBitmap(mOriBitmap,(j - 1) * itemWidth,(i - 1) * itemHeight,itemWidth,itemHeight);mPuzzleList.add(new ItemBean((i - 1) * mType + j, (i - 1) * mType + j, bitmap));}}//取出最后一個圖片，當拼圖完成時補充mLastBitmap = mPuzzleList.remove(mType * mType - 1);//將空的圖片插入到最后mPuzzleList.add(new ItemBean(mType * mType, 0,ImagesUtils.createBitmap(mOriBitmap.getWidth() / mType,mOriBitmap.getHeight() / mType,"空白格")));}private void startCountDown() {mTimer = new Timer(true);mTimerTask = new TimerTask() {@Overridepublic void run() {Log.d(TAG, "run: Thread = " + Thread.currentThread().getId() + "， mCurrentTime = " + mCurrentTime);mCurrentTime--;if (mCallback != null) {mCallback.onCountDown(mCurrentTime, mCurrentStep);if (mCurrentTime == 0) {finishGame(STATE.FAILED_TIME);}}}};mTimer.schedule(mTimerTask, 0, 1000);}@Overridepublic void resetGame() {for (ItemBean itemBean : mPuzzleList) {Log.d(TAG, "resetGame: mPuzzleList = " + itemBean);}for (ItemBean itemBean : mResetList) {Log.d(TAG, "resetGame: mResetList = " + itemBean);}Log.d(TAG, "resetGame: --------------");cloneItemBeanList(mResetList, mPuzzleList);initCountDown();if (mCallback != null) {mCallback.onResetGame(mPuzzleList);}for (ItemBean itemBean : mPuzzleList) {Log.d(TAG, "resetGame: mPuzzleList = " + itemBean);}for (ItemBean itemBean : mResetList) {Log.d(TAG, "resetGame: mResetList = " + itemBean);}Log.d(TAG, "resetGame: --------------");}@Overridepublic void swapPuzzle(int position) {if (mCallback != null) {mCallback.onSwapPuzzle(isMovable(position), mPuzzleList);mCurrentStep--;mCallback.onCountDown(mCurrentTime, mCurrentStep);if (isSuccess()) {finishGame(STATE.SUCCESS);} else if (mCurrentStep == 0) {finishGame(STATE.FAILED_STEP);}}}private void finishGame(STATE state) {if (mTimer != null) {mTimer.cancel();mTimer = null;mTimerTask = null;}mCallback.onFinishGame(state);}@Overridepublic void restartGame() {startGame();}private ItemBean getBlankBitmap() {for (ItemBean itemBean : mPuzzleList) {if (itemBean.getPuzzleID() == 0) {return itemBean;}}return null;}private boolean isMovable(int position) {int blankPosition = getBlankBitmap().getOriID() - 1;if ((Math.abs(blankPosition - position) == mType //判斷上下|| ((blankPosition / mType == position / mType) && Math.abs(blankPosition - position) == 1))) { //判斷左右swapItem(mPuzzleList.get(position), getBlankBitmap());return true;}return false;}private void swapItem(ItemBean from, ItemBean blankBitmap) {if (from == blankBitmap) {return;}ItemBean temp = new ItemBean();temp.setPuzzleID(from.getPuzzleID());temp.setBitmap(from.getBitmap());from.setPuzzleID(blankBitmap.getPuzzleID());from.setBitmap(blankBitmap.getBitmap());blankBitmap.setPuzzleID(temp.getPuzzleID());blankBitmap.setBitmap(temp.getBitmap());}private boolean isSuccess() {boolean isSuccess = true;for (ItemBean bean : mPuzzleList) {if (bean.getPuzzleID() != 0 && bean.getOriID() == bean.getPuzzleID()) { //非空白格，兩個ID相等continue;} else if (bean.getPuzzleID() == 0 && bean.getOriID() == mType * mType) { //空白格，源ID等于最后一個continue;} else {isSuccess = false;}}return isSuccess;}private void shufflePuzzle() {for (int i = 0; i < mPuzzleList.size(); i++) { //打亂順序int index = (int) (Math.random() * mPuzzleList.size());swapItem(mPuzzleList.get(index), getBlankBitmap());}List<Integer> data = new ArrayList<>();for (int i = 0; i < mPuzzleList.size(); i++) {data.add(mPuzzleList.get(i).getPuzzleID());}if (!canSolve(data, getBlankBitmap().getOriID()) || isSuccess()) {shufflePuzzle();}}private boolean canSolve(List<Integer> data, int blankPosition) {// 個數為奇數時，倒置和為偶數才有解if (data.size() % 2 == 1) {return getInversions(data) % 2 == 0;} else { //個數為偶數時if (((blankPosition - 1) / mType) % 2 == 1) { //空格位于奇數行，倒置和為偶數才有解return getInversions(data) % 2 == 0;} else { //空格位于偶數行，倒置和為奇數才有解return getInversions(data) % 2 == 1;}}}//計算比第i位元素小的元素個數的總和，如[3,2,1]，倒置和為[2,1,0] = 3private int getInversions(List<Integer> data) {int inversions = 0;int inversionCount = 0;for (int i = 0; i < data.size(); i++) {for (int j = i + 1; j < data.size(); j++) {int index = data.get(i);if (data.get(j) != 0 && data.get(j) < index)inversionCount++;}inversions += inversionCount;inversionCount = 0;}return inversions;} }

ui

IGameCallback

public interface IGameCallback {//獲取拼圖數據void onLoadPuzzleData(Bitmap resizeOriBitmap, List<ItemBean> itemBeanList);//交換拼圖void onSwapPuzzle(boolean isMovable, List<ItemBean> itemBeanList);//倒計時void onCountDown(int time, int step);//結束游戲void onFinishGame(IPuzzlePresenter.STATE state);//復位游戲void onResetGame(List<ItemBean> itemBeanList); }

utils

Constant

public class Constant {public static final String ORIGINAL_BITMAP = "Original_Bitmap";public static final String PUZZLE_TYPE = "puzzle_type"; }

ImagesUtils

public class ImagesUtils {//生成帶文字的圖片public static Bitmap createBitmap(int bitmapWidth, int bitmapHeight, String text) {Bitmap bitmap = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Bitmap.Config.ARGB_8888);Canvas canvas = new Canvas(bitmap);canvas.drawColor(Color.GRAY);if (!TextUtils.isEmpty(text)) {Paint textPaint = new Paint();textPaint.setColor(Color.BLACK);textPaint.setTextSize(bitmapWidth / text.length());float textWidth = textPaint.measureText(text, 0, text.length()); //用于水平居中Paint.FontMetrics fontMetrics = textPaint.getFontMetrics();float offset = (fontMetrics.bottom - fontMetrics.top) / 2 - fontMetrics.bottom; //用于垂直居中canvas.drawText(text, (bitmapWidth - textWidth) / 2f, bitmapWidth / 2f + offset, textPaint);}return bitmap;}//修改圖片大小public static Bitmap resizeBitmap(Bitmap bitmap, float newWidth, float newHeight) {Matrix matrix = new Matrix();matrix.postScale(newWidth / bitmap.getWidth(), newHeight / bitmap.getHeight());return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);} }

ScreenUtils

public class ScreenUtils {public static DisplayMetrics getDisplayMetrics(Context context) {DisplayMetrics metrics = new DisplayMetrics();WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);Display display = windowManager.getDefaultDisplay();display.getMetrics(metrics);return metrics;}public static int getScreenWidthPixels(Context context) {return getDisplayMetrics(context).widthPixels;}public static int getScreenHeightPixels(Context context) {return getDisplayMetrics(context).heightPixels;} }

View

MainActivity

public class MainActivity extends AppCompatActivity {private static final String TAG = "MainActivity";private TextView mTypeSelector;private GridView mPicSelector;private static final int RESULT_IMAGE = 100;private static final int RESULT_CAMERA = 200;private int mCurrentType = 2;private String[] mPicStrings = new String[]{"趙", "錢", "孫", "李","周", "吳", "鄭", "王","馮", "陳", "褚", "衛","蔣", "沈", "韓", "選擇圖片"};private int mPicListColumns = (int) Math.sqrt(mPicStrings.length);private String mCameraTempPath;private List<Bitmap> mPicList;@Overrideprotected void onCreate(@Nullable Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();initData();initListener();}private void initListener() {mTypeSelector.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if (mCurrentType == 4) {mCurrentType = 2;} else {mCurrentType++;}mTypeSelector.setText(mCurrentType + " × " + mCurrentType);}});mPicSelector.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position, long id) {if (position == mPicStrings.length - 1) {AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);builder.setItems(new String[]{"從相冊選擇", "拍攝"}, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Log.d(TAG, "onClick: which = " + which);if (which == 0) {Intent intent = new Intent(Intent.ACTION_PICK, null);intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");startActivityForResult(intent, RESULT_IMAGE);} else {Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);Uri photoUri = Uri.fromFile(new File(mCameraTempPath));intent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);startActivityForResult(intent, RESULT_CAMERA);}}});builder.show();} else {PuzzleActivity.startPuzzleActivity(MainActivity.this, mPicList.get(position), mCurrentType);}}});}private void initView() {mTypeSelector = findViewById(R.id.tv_type_selector);mPicSelector = findViewById(R.id.gv_pic_list);}private void initData() {mCameraTempPath = getExternalFilesDir(Environment.DIRECTORY_PICTURES) + "/temp.png";Log.d(TAG, "onClick: mImagePath = " + mCameraTempPath);//解決上面路徑報錯問題StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();StrictMode.setVmPolicy(builder.build());builder.detectFileUriExposure();mPicSelector.setNumColumns(mPicListColumns);mPicList = new ArrayList<>();for (String string : mPicStrings) {mPicList.add(ImagesUtils.createBitmap(ScreenUtils.getScreenWidthPixels(this) / mPicListColumns,ScreenUtils.getScreenWidthPixels(this) / mPicListColumns,string));}mPicSelector.setAdapter(new PictureListAdapter(this, mPicList));}@Overrideprotected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {super.onActivityResult(requestCode, resultCode, data);Log.d(TAG, "onActivityResult: resultCode = " + resultCode);if (resultCode == RESULT_OK) {Bitmap oriBitmap = null;InputStream inputStream = null;Log.d(TAG, "onActivityResult: requestCode = " + requestCode);if (requestCode == RESULT_IMAGE && data != null) {try {inputStream = getContentResolver().openInputStream(data.getData());} catch (FileNotFoundException e) {e.printStackTrace();}} else if (requestCode == RESULT_CAMERA) {try {inputStream = new FileInputStream(mCameraTempPath);} catch (FileNotFoundException e) {e.printStackTrace();}}BitmapFactory.Options options = new BitmapFactory.Options();options.inJustDecodeBounds = true;options.inSampleSize = 4; //圖片太大，縮放到1/4options.inJustDecodeBounds = false;oriBitmap = BitmapFactory.decodeStream(inputStream, null, options);Log.d(TAG, "onActivityResult: oriBitmap = " + oriBitmap);PuzzleActivity.startPuzzleActivity(MainActivity.this, oriBitmap, mCurrentType);}} }

PuzzleActivity

public class PuzzleActivity extends AppCompatActivity implements View.OnClickListener, IGameCallback {private static final String TAG = "PuzzleActivity";private TextView mStep;private TextView mCountDown;private GridView mPuzzleGv;private ImageView mOriPic;private Button mShowPicBtn;private Button mResetBtn;private Button mBackBtn;private PuzzleAdapter mPuzzleAdapter;private IPuzzlePresenter mPuzzlePresenter;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_puzzle);initView();initData();initListener();}private void initView() {mStep = findViewById(R.id.tv_step_count);mCountDown = findViewById(R.id.tv_countdown);mPuzzleGv = findViewById(R.id.gv_puzzle);mOriPic = findViewById(R.id.iv_ori_pic);mShowPicBtn = findViewById(R.id.btn_ori_pic);mResetBtn = findViewById(R.id.btn_reset);mBackBtn = findViewById(R.id.btn_back);}public static void startPuzzleActivity(Context context, Bitmap oriBitmap, int type) {Intent intent = new Intent(context, PuzzleActivity.class);intent.putExtra(Constant.ORIGINAL_BITMAP, oriBitmap);intent.putExtra(Constant.PUZZLE_TYPE, type);context.startActivity(intent);}private void initData() {Intent intent = getIntent();Bitmap oriBitmap = intent.getParcelableExtra(Constant.ORIGINAL_BITMAP);int type = intent.getIntExtra(Constant.PUZZLE_TYPE, 2);mPuzzleGv.setNumColumns(type);mPuzzlePresenter = new PuzzlePresenterImpl(type);mPuzzlePresenter.registerGameCallback(this);mPuzzlePresenter.loadPuzzleData(this, oriBitmap);/* print log start */Log.d(TAG, "initData: oriBitmap = " + oriBitmap);Log.d(TAG, "initData: type = " + type);/* print log end */}private void showFinishDialog(String msg) {AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setMessage(msg);builder.setCancelable(false);builder.setNegativeButton("再來一次", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {mPuzzlePresenter.restartGame();dialog.dismiss();}});builder.setPositiveButton("重選圖片", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {dialog.dismiss();finish();}});builder.show();}private void initListener() {mShowPicBtn.setOnClickListener(this);mResetBtn.setOnClickListener(this);mBackBtn.setOnClickListener(this);mPuzzleGv.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position, long id) {Log.d(TAG, "onItemClick: position = " + position);mPuzzlePresenter.swapPuzzle(position);}});}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.btn_ori_pic:Log.d(TAG, "onClick: btn_ori_pic");if (mOriPic.getVisibility() == View.INVISIBLE) {mPuzzleGv.setVisibility(View.INVISIBLE);mOriPic.setVisibility(View.VISIBLE);mShowPicBtn.setText("隱藏原圖");} else if (mOriPic.getVisibility() == View.VISIBLE) {mPuzzleGv.setVisibility(View.VISIBLE);mOriPic.setVisibility(View.INVISIBLE);mShowPicBtn.setText("顯示原圖");}break;case R.id.btn_reset:AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setMessage("是否將拼圖還原到最開始的狀態");builder.setCancelable(false);builder.setNegativeButton("還原", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {mPuzzlePresenter.resetGame();}});builder.setPositiveButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {dialog.dismiss();}});builder.show();break;case R.id.btn_back:finish();break;}}@Overridepublic void onLoadPuzzleData(Bitmap resizeOriBitmap, List<ItemBean> itemBeanList) {mOriPic.setImageBitmap(resizeOriBitmap);updateUI(itemBeanList);}private void updateUI(List<ItemBean> itemBeanList) {if (mPuzzleAdapter == null) {mPuzzleAdapter = new PuzzleAdapter();mPuzzleAdapter.setData(itemBeanList);mPuzzleGv.setAdapter(mPuzzleAdapter);} else {mPuzzleAdapter.setData(itemBeanList);mPuzzleAdapter.notifyDataSetChanged();}}@Overridepublic void onSwapPuzzle(boolean isMovable, List<ItemBean> itemBeanList) {if (isMovable) {updateUI(itemBeanList);} else {Toast.makeText(this, "請點擊空白格附近的圖片進行交換", Toast.LENGTH_SHORT).show();}}@Overridepublic void onCountDown(int time, int step) {runOnUiThread(new Runnable() {@Overridepublic void run() {mCountDown.setText("剩余時間: " + time / 60 + "分" + time % 60 + "秒");mStep.setText("剩余步數: " + step);}});}@Overridepublic void onFinishGame(IPuzzlePresenter.STATE state) {switch (state) {case SUCCESS:showFinishDialog("拼圖成功");break;case FAILED_STEP:showFinishDialog("步數已用完");break;case FAILED_TIME:showFinishDialog("倒計時結束");break;}}@Overridepublic void onResetGame(List<ItemBean> itemBeanList) {updateUI(itemBeanList);}@Overrideprotected void onDestroy() {super.onDestroy();mPuzzlePresenter.unRegisterGameCallback();}}

布局

activity_main.xml

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"><LinearLayoutandroid:id="@+id/ll_type_container"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_centerHorizontal="true"android:layout_margin="10dp"android:padding="3dp"><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="選擇難度"android:textSize="30sp" /><TextViewandroid:id="@+id/tv_type_selector"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:background="#33000000"android:padding="3dp"android:text="2 × 2"android:textSize="25sp" /></LinearLayout><GridViewandroid:id="@+id/gv_pic_list"android:layout_width="match_parent"android:layout_height="match_parent"android:layout_below="@id/ll_type_container"android:horizontalSpacing="1dp"android:verticalSpacing="1dp" /> </RelativeLayout>

activity_puzzle.xml

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".view.PuzzleActivity"><LinearLayoutandroid:id="@+id/ll_title"android:layout_width="match_parent"android:layout_height="wrap_content"android:gravity="center"><TextViewandroid:id="@+id/tv_step_count"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="10dp"android:background="#33000000"android:padding="10dp"android:text="步數"android:textSize="25sp" /><TextViewandroid:id="@+id/tv_countdown"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="10dp"android:background="#33000000"android:padding="10dp"android:text="時間"android:textSize="25sp" /></LinearLayout><GridViewandroid:id="@+id/gv_puzzle"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_above="@id/ll_btns"android:layout_below="@id/ll_title"android:horizontalSpacing="2dp"android:verticalSpacing="2dp" /><ImageViewandroid:id="@+id/iv_ori_pic"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignTop="@id/gv_puzzle"android:visibility="invisible" /><LinearLayoutandroid:id="@+id/ll_btns"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_alignParentBottom="true"android:gravity="center"><Buttonandroid:id="@+id/btn_ori_pic"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="30dp"android:background="#33000000"android:text="顯示原圖"android:textSize="30sp" /><Buttonandroid:id="@+id/btn_reset"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="30dp"android:background="#33000000"android:text="復位"android:textSize="30sp" /><Buttonandroid:id="@+id/btn_back"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="30dp"android:background="#33000000"android:text="返回"android:textSize="30sp" /></LinearLayout> </RelativeLayout>

總結

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