给老婆写的带返回的2048（数据库存储）

import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Color;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.Random;

public class MyActivity extends ActionBarActivity implements GestureDetector.OnGestureListener, View.OnTouchListener {

private TextView[] allTextView;
private int[] numData;
private String[] colorData;
private TextView score;
SQLiteDatabase db;
int scoreNum = 0;
boolean isDoAdd;

private GestureDetector mGestureDetector;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
init();
mGestureDetector = new GestureDetector(this, this);
LinearLayout gameView = (LinearLayout) findViewById(R.id.gameView);
score = (TextView) findViewById(R.id.score);
score.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
backStateFromDb();
return false;
}
});
gameView.setOnTouchListener(this);
gameView.setClickable(true);
}

@Override
protected void onPause() {
saveStateToDb();
db.close();
super.onPause();
}

@Override
protected void onResume() {
super.onResume();
backStateFromDb();
}

private void gameStart() {
this.scoreNum = 0;
this.setScore(0);
for (int i = 0; i < 16; i++) {
setNum(i, 1);
}
addOneNum();
addOneNum();
}

@Override
public boolean onDown(MotionEvent motionEvent) {
return false;
}

@Override
public void onShowPress(MotionEvent motionEvent) {

}

@Override
public boolean onSingleTapUp(MotionEvent motionEvent) {
return false;
}

@Override
public boolean onScroll(MotionEvent motionEvent, MotionEvent motionEvent2, float v, float v2) {
return false;
}

@Override
public void onLongPress(MotionEvent motionEvent) {

}

@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
isDoAdd = false;
saveStateToDb();
if (Math.abs(velocityX) > Math.abs(velocityY)) {
if (velocityX > 0) {
moveRight();
} else {
moveLeft();
}
} else {
if (velocityY > 0) {
moveDown();
} else {
moveTop();
}
}
if (isDoAdd) {
addOneNum();
} else {
deleteOneDataFromDb();
}
return false;
}

private void addOneNum() {
int[] nullCell = new int[16];
int count = 0;
for (int i = 0; i < 16; i++) {
if (numData[i] == 1) {
nullCell[count] = i;
count++;
}
}
if (count == 0) {
return;
}
Random r = new Random();
int index = r.nextInt(count);
int data = r.nextInt(10);
data = data == 0 ? 1 : 0;
setNum(nullCell[index], (data + 1) * 2);
}

private void moveDown() {
//Toast.makeText(getApplicationContext(),"下",Toast.LENGTH_SHORT).show();
for (int y = 0; y < 4; y++) {
for (int x = 3; x > 0; x--) {
int p = (x * 4) + y;
for (int z = 1; z < 4; z++) {
int q = (x - z) * 4 + y;
if (q < y) {
break;
}
if (numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] != 1) {
setNum(p, numData[q]);
setNum(q, 1);
continue;
} else if (numData[p] != numData[q]) {
break;
} else {
setNum(p, numData[p] * 2);
setScore(numData[p] * 2);
setNum(q, 1);
break;
}
}
}
}
}

private void moveTop() {
//Toast.makeText(getApplicationContext(),"上",Toast.LENGTH_SHORT).show();
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 3; x++) {
int p = (x * 4) + y;
for (int z = 1; z < 4; z++) {
int q = (x + z) * 4 + y;
if (q > 12 + y) {
break;
}
if (numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] != 1) {
setNum(p, numData[q]);
setNum(q, 1);
continue;
} else if (numData[p] != numData[q]) {
break;
} else {
setNum(p, numData[p] * 2);
setScore(numData[p] * 2);
setNum(q, 1);
break;
}
}
}
}
}

private void moveLeft() {
// Toast.makeText(getApplicationContext(),"左",Toast.LENGTH_SHORT).show();
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 3; y++) {
int p = (x * 4) + y;
for (int z = 1; z < 4; z++) {
int q = p + z;
if (q > (x + 1) * 4 - 1) {
break;
}
if (numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] != 1) {
setNum(p, numData[q]);
setNum(q, 1);
continue;
} else if (numData[p] != numData[q]) {
break;
} else {
setNum(p, numData[p] * 2);
setScore(numData[p] * 2);
setNum(q, 1);
break;
}
}
}
}
}

private void moveRight() {
//Toast.makeText(getApplicationContext(),"右",Toast.LENGTH_SHORT).show();
for (int x = 0; x < 4; x++) {
for (int y = 3; y > 0; y--) {
int p = (x * 4) + y;
for (int z = 1; z < 4; z++) {
int q = p - z;
if (q < x * 4) {
break;
}
if (numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] == 1) {
continue;
} else if (numData[p] == 1 && numData[q] != 1) {
setNum(p, numData[q]);
setNum(q, 1);
continue;
} else if (numData[p] != numData[q]) {
break;
} else {
setNum(p, numData[p] * 2);
setScore(numData[p] * 2);
setNum(q, 1);
break;
}
}
}
}
}

private void setScore(int s) {
scoreNum += s;
score.setText(scoreNum + "");
}

private void init() {
dbCreate();
findAllTextView();
setColorData();
numData = new int[16];
}

private void dbCreate() {
db = openOrCreateDatabase("My2048Database.db", Context.MODE_PRIVATE, null);
db.execSQL("create table if not exists GameRecord(" +
"Id    INTEGER PRIMARY KEY,\n" +
"    Game  VARCHAR NOT NULL,\n" +
"    Score INTEGER NOT NULL )");
}

private void saveStateToDb() {
String gameNumState = "";
for (int i = 0; i < 16; i++) {
gameNumState += (numData[i] + ",");
}
db.execSQL("insert into GameRecord(Game,Score) values('" +
gameNumState + "','" +
scoreNum + "')");
Log.d("DB:", "Save");
}

private void backStateFromDb() {
Cursor c = db.rawQuery("select * from GameRecord order by Id desc limit 1", null);
if (!c.moveToNext()) {
gameStart();
return;
}
int id = c.getInt(c.getColumnIndex("Id"));
String gameStateNnm = c.getString(c.getColumnIndex("Game"));
int score = c.getInt(c.getColumnIndex("Score"));
this.scoreNum = 0;
this.setScore(score);
Log.d("DB:", "Score-" + score);
Log.d("DB:", "gameDb-" + gameStateNnm);
String[] numString = gameStateNnm.split(",");
for (int i = 0; i < 16; i++) {
this.setNum(i, Integer.parseInt(numString[i]));
}
Log.d("DB:", "dbId-" + id + "");
db.delete("GameRecord", "Id = ?", new String[]{id + ""});
Log.d("DB:", "Back");
}

private void deleteOneDataFromDb() {
Cursor c = db.rawQuery("select * from GameRecord order by Id desc limit 1", null);
if (!c.moveToNext()) {
return;
}
int id = c.getInt(c.getColumnIndex("Id"));
db.delete("GameRecord", "Id = ?", new String[]{id + ""});
Log.d("DB:", "DeleteOneNoUse");
}

private void setNum(int index, int num) {
numData[index] = num;
int colorIndex = (int) Math.log((double) num);
if (colorIndex > 15) {
colorIndex = 15;
}
if (num == 1) {
allTextView[index].setText("");
allTextView[index].setBackgroundColor(Color.parseColor(colorData[colorIndex]));
} else {
allTextView[index].setText("" + num);
allTextView[index].setBackgroundColor(Color.parseColor(colorData[colorIndex]));
if (num > 512) {
allTextView[index].setTextSize(20);
} else {
allTextView[index].setTextSize(30);
}
}
isDoAdd = true;
}

private void setColorData() {
colorData = new String[16];
colorData[0] = "#cdc1b4";
colorData[1] = "#eee4da";
colorData[2] = "#ede0c8";
colorData[3] = "#ece0c8";
colorData[4] = "#ecd0c8";
colorData[5] = "#ebe0c8";
colorData[6] = "#ede0c0";
colorData[7] = "#ede0c8";
colorData[8] = "#aae0c8";
colorData[9] = "#edaac8";
colorData[10] = "#ede0aa";
colorData[11] = "#99e0c8";
colorData[12] = "#88e0c8";
colorData[13] = "#77e0c8";
colorData[14] = "#66e0c8";
colorData[15] = "#55e0c8";
}

private void findAllTextView() {
allTextView = new TextView[16];
allTextView[0] = (TextView) findViewById(R.id.t0);
allTextView[1] = (TextView) findViewById(R.id.t1);
allTextView[2] = (TextView) findViewById(R.id.t2);
allTextView[3] = (TextView) findViewById(R.id.t3);
allTextView[4] = (TextView) findViewById(R.id.t4);
allTextView[5] = (TextView) findViewById(R.id.t5);
allTextView[6] = (TextView) findViewById(R.id.t6);
allTextView[7] = (TextView) findViewById(R.id.t7);
allTextView[8] = (TextView) findViewById(R.id.t8);
allTextView[9] = (TextView) findViewById(R.id.t9);
allTextView[10] = (TextView) findViewById(R.id.t10);
allTextView[11] = (TextView) findViewById(R.id.t11);
allTextView[12] = (TextView) findViewById(R.id.t12);
allTextView[13] = (TextView) findViewById(R.id.t13);
allTextView[14] = (TextView) findViewById(R.id.t14);
allTextView[15] = (TextView) findViewById(R.id.t15);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.my, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
try {
db.execSQL("delete from GameRecord");
} catch (Exception e) {
Log.d("DB:", e.getMessage());
}

Log.d("DB:", "Restart");
gameStart();
return true;
}
return super.onOptionsItemSelected(item);
}

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {

return mGestureDetector.onTouchEvent(motionEvent);
}
}