【发布时间】：2013-05-19 23:29:22
【问题描述】：
好的，所以我制作一个应用程序只是为了好玩，它会在屏幕上弹出一个随机数。如果您点击与随机数相同的数字按钮，您将获得一分，如果您点击数字不正确的按钮，您将失去一分。问题是你只有 10 秒的时间来获得足够的分数（我没有到达我检查用户是否获得足够的分数来获胜的部分）。无论如何，我的应用程序有两个主要问题。如果应用程序崩溃，计时器将不会显示在屏幕上（我放了一个 try/catch 来阻止它崩溃，这样我就可以处理其他事情了），当你点击正确的按钮时，你的分数不会上升。但是，如果您点击了错误的按钮，分数会下降。我觉得这很奇怪。
感谢您的帮助！
这是我的活动课程：
package ab.game.crazynumbers;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class Level1Activity extends Activity {
Random r;
Timer t;
int random;
int time;
boolean running = false;
TextView showingnumber;
TextView score;
TextView timer;
Handler handler;
Button b1;
Button b2;
Button b3;
Button b4;
Button b5;
Button b6;
Button b7;
Button b8;
Button b9;
Button b0;
int playerscore;
TextView finalscore;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.level_1);
playerscore = 0;
showingnumber = (TextView) findViewById(R.id.game_number);
score = (TextView) findViewById(R.id.game_score);
timer = (TextView) findViewById(R.id.game_timer2);
finalscore = (TextView) findViewById(R.id.finalscore);
running = true;
time = 10;
b0 = (Button) findViewById(R.id.b1_0);
b1 = (Button) findViewById(R.id.b1_1);
b2 = (Button) findViewById(R.id.b1_2);
b3 = (Button) findViewById(R.id.b1_3);
b4 = (Button) findViewById(R.id.b1_4);
b5 = (Button) findViewById(R.id.b1_5);
b6 = (Button) findViewById(R.id.b1_6);
b7 = (Button) findViewById(R.id.b1_7);
b8 = (Button) findViewById(R.id.b1_8);
b9 = (Button) findViewById(R.id.b1_9);
randomnumber();
b1.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (1 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (1 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b2.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (2 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (2 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b3.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (3 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (3 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b4.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (4 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (4 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b5.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (5 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (5 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b6.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (6 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (6 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b7.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (7 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (7 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b8.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (8 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (8 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b9.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (9 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (9 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
b0.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == android.view.MotionEvent.ACTION_UP) {
if (0 == random) {
playerscore++;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
if (0 != random) {
playerscore--;
runOnUiThread(new Runnable() {
public void run() {
score.setText("Your Score Is " + playerscore);
}
});
randomnumber();
}
}
return false;
}
});
startTimer();
}
public void startTimer() {
Timer t = new Timer("Game Timer");
handler = new Handler();
t.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
if (time > 0) {
time -= 1;
runOnUiThread(new Runnable() {
public void run() {
try {
timer.setText("Seconds Remaining: "+ time);
} catch (Exception e) {
}
}
});
}
if (time <= 0) {
this.cancel();
finish();
}
}
},
// time before start of timer
0,
// time before it runs again
1000);
}
public void randomnumber() {
r = new Random();
random = r.nextInt(10);
runOnUiThread(new Runnable() {
public void run() {
showingnumber.setText(String.valueOf(random));
}
});
}
}
这是我的 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"
android:orientation="vertical" >
<TextView
android:id="@+id/game_timer"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="Seconds Remaining: 0.0"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/game_score"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:gravity="center"
android:text="Your Score Is 0"
android:textAppearance="?android:attr/textAppearanceLarge" />
<Button
android:id="@+id/b1.4"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignLeft="@+id/b1.1"
android:layout_alignTop="@+id/b1.1"
android:layout_marginTop="73dp"
android:text="4" />
<TextView
android:id="@+id/game_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/game_timer"
android:layout_centerHorizontal="true"
android:layout_marginTop="89dp"
android:gravity="center"
android:text="0"
android:textAppearance="?android:attr/textAppearanceMedium" />
<Button
android:id="@+id/b1.1"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignParentLeft="true"
android:layout_below="@+id/game_number"
android:layout_marginLeft="14dp"
android:layout_marginTop="130dp"
android:text="1" />
<Button
android:id="@+id/b1.7"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_above="@+id/game_score"
android:layout_alignLeft="@+id/b1.4"
android:layout_marginBottom="15dp"
android:text="7" />
<Button
android:id="@+id/b1.2"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignBaseline="@+id/b1.1"
android:layout_alignBottom="@+id/b1.1"
android:layout_centerHorizontal="true"
android:text="2" />
<Button
android:id="@+id/b1.5"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignBaseline="@+id/b1.4"
android:layout_alignBottom="@+id/b1.4"
android:layout_centerHorizontal="true"
android:text="5" />
<Button
android:id="@+id/b1.8"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignBaseline="@+id/b1.7"
android:layout_alignBottom="@+id/b1.7"
android:layout_centerHorizontal="true"
android:text="8" />
<Button
android:id="@+id/b1.0"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_above="@+id/b1.2"
android:layout_alignLeft="@+id/b1.2"
android:layout_marginBottom="18dp"
android:text="0" />
<Button
android:id="@+id/b1.6"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignBaseline="@+id/b1.4"
android:layout_alignBottom="@+id/b1.4"
android:layout_alignParentRight="true"
android:layout_marginRight="20dp"
android:text="6" />
<Button
android:id="@+id/b1.9"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignBaseline="@+id/b1.7"
android:layout_alignBottom="@+id/b1.7"
android:layout_alignLeft="@+id/b1.6"
android:text="9" />
<Button
android:id="@+id/b1.3"
android:layout_width="80dp"
android:layout_height="50dp"
android:layout_alignBaseline="@+id/b1.1"
android:layout_alignBottom="@+id/b1.1"
android:layout_alignLeft="@+id/b1.6"
android:text="3" />
</RelativeLayout>
【问题讨论】：
标签： android button random timer textview