所以我很确定我知道我的问题是什么，但我不知道如何解决它或解决它......我正在为一个班级制作这个游戏，现在我正在尝试保存状态当用户单击后退按钮或退出应用程序时。但是当我点击后退按钮时，一切都会重置到你第一次开始的时候..？
这是我的课：
public class PlayScreen extends Activity {
Spinner spinnerMonsters;
Button btnBattle;
TextView textViewBattleResults;
TextView textViewLevelGained;
TextView textViewXPValue;
TextView textViewXpNextLevel;
TextView textViewLevelValue;
TextView textViewGoldValue;
TextView textview5;
TextView textViewStrRace;
TextView textViewStrClass;
TextView textViewStrAlliance;
private int xp = 0;
private int level = 1;
private int gold = 0;
private int hp = 10;
private int mp = 10;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.play_screen);
TextView textview5 = (TextView) findViewById(R.id.textView5);
TextView textViewStrRace = (TextView) findViewById(R.id.textViewStrRace);
TextView textViewStrClass = (TextView) findViewById(R.id.TextViewStrClass);
TextView textViewStrAlliance = (TextView) findViewById(R.id.textViewStrAlliance);
String Name = getIntent().getStringExtra("strName");
textview5.setText(Name);
textview5.setTextColor(Color.CYAN);
String Race = getIntent().getStringExtra("strRace");
textViewStrRace.setText(Race);
String Class = getIntent().getStringExtra("strClass");
textViewStrClass.setText(Class);
String Alliance = getIntent().getStringExtra("strAlliance");
textViewStrAlliance.setText(Alliance);
Button btnInventory = (Button) findViewById(R.id.button1);
btnInventory.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(v.getContext(), Inventory.class);
startActivityForResult(intent, 0);
}
});
Button btnEquipment = (Button) findViewById(R.id.button2);
btnEquipment.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(v.getContext(), Equipment.class);
startActivityForResult(intent, 0);
}
});
Button btnStats = (Button) findViewById(R.id.button3);
btnStats.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(v.getContext(), Statistics.class);
startActivityForResult(intent, 0);
}
});
Button btnShop = (Button) findViewById(R.id.Button01);
btnShop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(v.getContext(), Shop.class);
startActivityForResult(intent, 0);
}
});
Button btnCrafting = (Button) findViewById(R.id.button4);
btnCrafting.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(v.getContext(), Crafting.class);
startActivityForResult(intent, 0);
}
});
Button btnClassTraining = (Button) findViewById(R.id.button5);
btnClassTraining.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(v.getContext(), ClassTraining.class);
startActivityForResult(intent, 0);
}
});
Button btnBattle = (Button) findViewById(R.id.btnBattle);
btnBattle.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method
// -----------------------------------------------------------------------------------------------------------------------------
Spinner spinnerMonsters = (Spinner) findViewById(R.id.spinnerMonsters);
final Button btnBattle = (Button) findViewById(R.id.btnBattle);
final TextView textViewBattleResults = (TextView) findViewById(R.id.textViewBattleResults);
TextView textViewXPValue = (TextView) findViewById(R.id.textViewXPValue);
TextView textViewXpNextLevel = (TextView) findViewById(R.id.textViewXpNextLevel);
final TextView textViewLevelGained = (TextView) findViewById(R.id.textViewLevelGained);
TextView textViewLevelValue = (TextView) findViewById(R.id.textViewLevelValue);
TextView textViewGoldValue = (TextView) findViewById(R.id.textViewGoldValue);
final TextView textViewXPResults = (TextView) findViewById(R.id.textViewXPResults);
final TextView textViewGoldResults = (TextView) findViewById(R.id.textViewGoldResults);
final TextView textViewLootResults = (TextView) findViewById(R.id.textViewLootResults);
TextView textViewHP = (TextView) findViewById(R.id.textViewHP);
TextView textViewMP = (TextView) findViewById(R.id.textViewMP);
final TextView textViewTimer = (TextView) findViewById(R.id.textView10);
int XP = Integer.parseInt(textViewXPValue.getText().toString());
int XPNEXT = Integer.parseInt(textViewXpNextLevel.getText()
.toString());
// -----------------------------------------------------------------------------------------------------------------------------
// ---------------------
// XPValue <= XPLimit |
// ---------------------
if (textViewXPValue.getText().toString()
.equals(textViewXpNextLevel.getText().toString())) {
int newLimit = Integer.parseInt(textViewXpNextLevel
.getText().toString()) + 100;
textViewXpNextLevel.setText(newLimit + "");
textViewLevelValue.setText(String.valueOf(level));
textViewHP.setText(String.valueOf(hp));
textViewMP.setText(String.valueOf(mp));
textViewLevelGained.setVisibility(View.VISIBLE);
textViewLevelGained.setText("You have gained a level!");
xp = 0;
level = level + 1;
hp = hp + 10;
mp = mp + 10;
} else if (XP >= XPNEXT) {
int newLimit = Integer.parseInt(textViewXpNextLevel
.getText().toString()) + 100;
textViewXpNextLevel.setText(newLimit + "");
textViewLevelValue.setText(String.valueOf(level));
textViewHP.setText(String.valueOf(hp));
textViewMP.setText(String.valueOf(mp));
textViewLevelGained.setVisibility(View.VISIBLE);
textViewLevelGained.setText("You have gained a level!");
xp = 0;
level = level + 1;
hp = hp + 10;
mp = mp + 10;
}
if (level == 51) {
textViewXPValue.setText(textViewXpNextLevel.getText()
.toString());
textViewBattleResults.setText("Thanks for playing!");
level = level + 0;
hp = hp + 0;
mp = mp + 0;
xp = xp + 0;
}
// -----------------------------------------------------------------------------------------------------------------------------
// ----------------------------
// Count Down Timer Activity |
// ----------------------------
new CountDownTimer(1000, 1000) {
public void onTick(long millisUntilFinished) {
textViewTimer.setText("" + millisUntilFinished / 1000);
textViewXPResults.setVisibility(View.VISIBLE);
textViewGoldResults.setVisibility(View.VISIBLE);
textViewLootResults.setVisibility(View.VISIBLE);
}
public void onFinish() {
textViewTimer.setVisibility(View.INVISIBLE);
textViewBattleResults.setVisibility(View.INVISIBLE);
textViewXPResults.setText("XP: ");
textViewGoldResults.setText("Gold: ");
textViewLootResults.setText("Loot: ");
btnBattle.setVisibility(View.VISIBLE);
textViewLevelGained.setVisibility(View.INVISIBLE);
}
}.start();
textViewTimer.setVisibility(View.VISIBLE);
btnBattle.setVisibility(View.INVISIBLE);
// -----------------------------------------------------------------------------------------------------------------------------
// --------------------
// Monster sequences |
// --------------------
// Training Dummy
if (spinnerMonsters.getSelectedItem().toString()
.equals("(0) Training Dummy")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
} else {
textViewBattleResults
.setText("You have killed Training Dummy!");
xp = xp + 100;
textViewXPValue.setText(String.valueOf(xp));
textViewXPResults.setText("XP: +10");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Cockroach
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(2) Cockroach")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
} else if (level >= 2) {
textViewBattleResults
.setText("You have killed a Cockroach!");
xp = xp + 27;
gold = gold + 3;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +27");
textViewGoldResults.setText("Gold: +3");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Cockroach!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Diseased Rat
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(3) Diseased Rat")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level >= 3) {
textViewBattleResults
.setText("You have killed a Diseased Rat!");
xp = xp + 36;
gold = gold + 5;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +36");
textViewGoldResults.setText("Gold: +5");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Diseased Rat!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Black Widdow
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(5) Black Widdow")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level >= 5) {
textViewBattleResults
.setText("You have killed a Black Widdow!");
xp = xp + 45;
gold = gold + 7;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +45");
textViewGoldResults.setText("Gold: +7");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Black Widdow!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Goblin
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(7) Goblin")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level >= 7) {
textViewBattleResults
.setText("You have killed a Goblin!");
xp = xp + 51;
gold = gold + 11;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +51");
textViewGoldResults.setText("Gold: +11");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Goblin!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Undead Troll
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(9) Undead Troll")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level >= 9) {
textViewBattleResults
.setText("You have killed an Undead Troll!");
xp = xp + 63;
gold = gold + 19;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +63");
textViewGoldResults.setText("Gold: +19");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by an Undead Troll!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Giant
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(13) Giant")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level > 13) {
textViewBattleResults
.setText("You have killed a Giant!");
xp = xp + 72;
gold = gold + 28;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +72");
textViewGoldResults.setText("Gold: +28");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have defeated killed by a Giant!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Young Blue Drake
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(17) Young Blue Drake")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level > 17) {
textViewBattleResults
.setText("You have killed a Young Blue Drake!");
xp = xp + 88;
gold = gold + 42;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +88");
textViewGoldResults.setText("Gold: +42");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Young Blue Drake!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Hobgoblin
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(21) Hobgoblin")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level > 21) {
textViewBattleResults
.setText("You have killed a Hobgoblin!");
xp = xp + 94;
gold = gold + 51;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +94");
textViewGoldResults.setText("Gold: +51");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Hobgoblin!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Skeletion
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(23) Skeleton")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level > 23) {
textViewBattleResults
.setText("You have killed a Skeleton!");
xp = xp + 101;
gold = gold + 60;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +101");
textViewGoldResults.setText("Gold: +60");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Skeleton!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Thief Master
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(26) Thief Master")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level > 26) {
textViewBattleResults
.setText("You have killed a Thief Master!");
xp = xp + 117;
gold = gold + 74;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +117");
textViewGoldResults.setText("Gold: +74");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Thief Master!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}// Homunculus
else if (spinnerMonsters.getSelectedItem().toString()
.equals("(30) Homunculus")) {
textViewBattleResults.setVisibility(View.VISIBLE);
if (level == 51) {
xp = xp + 0;
}
if (level > 30) {
textViewBattleResults
.setText("You have killed a Homunculus!");
xp = xp + 121;
gold = gold + 82;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: +121");
textViewGoldResults.setText("Gold: +82");
textViewLootResults.setText("Loot: none");
} else {
textViewBattleResults
.setText("You have been defeated by a Homunculus!");
xp = xp + 0;
gold = gold + 0;
textViewXPValue.setText(String.valueOf(xp));
textViewGoldValue.setText(String.valueOf(gold));
textViewXPResults.setText("XP: 0");
textViewGoldResults.setText("Gold: 0");
textViewLootResults.setText("Loot: none");
}
}
}
}); /* Ends the button onClickListener */
}
}
现在我很确定问题出在我把所有私人 int 放在哪里，当你第一次开始玩时，它们都等于 0 或其他任何值。我好失落...
我删除了我的 onPause 和 onResume 事件，因为它们只是不工作，这是我尝试之前的代码。