项目结构
用到的三张图片
mainActivity如下
package com.example.myapplication;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private EditText editText;
private Button buttonLevel;
private Button buttonStart;
private String userName;
private int gameLevel=1000;//easy=2000,commmon=1000.hard=500ms
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText=findViewById(R.id.editText);
buttonLevel=findViewById(R.id.buttonLevel);
buttonStart=findViewById(R.id.buttonStart);
buttonLevel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//单选对话框
AlertDialog alertDialog=new AlertDialog.Builder(MainActivity.this)
.setTitle("请选择难度:")
.setSingleChoiceItems(new String[]{"简单", "普通", "困难"}, 1, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
if(i==0) gameLevel=2000;
if(i==1) gameLevel=1000;
if(i==2) gameLevel=500;
Toast.makeText(MainActivity.this,gameLevel+"",Toast.LENGTH_SHORT).show();//在面包片上测试一下i可以用吗
}
})//单选
.setPositiveButton("确定",null)
.create();
alertDialog.show();
}
});
buttonStart.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
userName=editText.getText().toString();//用户输入的用户名
//显式跳转
Intent intent=new Intent(MainActivity.this,GameActivity.class);
intent.putExtra("userName",userName);
intent.putExtra("gameLevel",gameLevel);
startActivity(intent);
}
});
}
}
mainlayout如下
<?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"
android:background="@drawable/mousegame"
tools:context=".MainActivity" >
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
android:layout_marginBottom="100dp"
android:orientation="vertical">
<EditText
android:id="@+id/editText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPersonName"
android:text="Name" />
<Button
android:id="@+id/buttonLevel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="游戏难度" />
<Button
android:id="@+id/buttonStart"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="游戏开始" />
</LinearLayout>
</RelativeLayout>
主界面展示
gameActivity如下
package com.example.myapplication;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;
import java.sql.Time;
import java.util.ArrayList;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
public class GameActivity extends AppCompatActivity {
private TextView textViewName;
private TextView textViewLevel;
private TextView textViewScore;
private Button buttonAgain;
private ProgressBar progressBar;
private TableRow tableRow1;
private TableRow tableRow2;
private TableRow tableRow3;
private TableRow tableRow4;
private String userName;
private int gameLevel=1000;
private ArrayList<Button> buttons;
private int score=0;
private Random rd;//地鼠随机出现
private Button currentButton;//指向地鼠的按钮
private Timer timer;
private Handler handler;
private int gameLength=30;//说明每一局30s
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_game);
textViewName=findViewById(R.id.textViewName);
textViewLevel=findViewById(R.id.textViewLevel);
textViewScore=findViewById(R.id.textViewScore);
buttonAgain=findViewById(R.id.buttonAgin);
progressBar=findViewById(R.id.progressBar);
tableRow1=findViewById(R.id.tableRow1);
tableRow2=findViewById(R.id.tableRow2);
tableRow3=findViewById(R.id.tableRow3);
tableRow4=findViewById(R.id.tableRow4);
Intent intent=getIntent();
userName=intent.getStringExtra("userName");
gameLevel=intent.getIntExtra("gameLevel",1000);
textViewName.setText(userName);
//textViewLevel.setText();
if(gameLevel==2000)textViewLevel.setText("简单");
if(gameLevel==1000)textViewLevel.setText("普通");
if(gameLevel==500)textViewLevel.setText("困难");
buttons=new ArrayList<>();
rd=new Random();
addButtonTableRow(tableRow1);
addButtonTableRow(tableRow2);
addButtonTableRow(tableRow3);
addButtonTableRow(tableRow4);
currentButton=buttons.get(rd.nextInt(16));
currentButton.setBackgroundResource(R.drawable.mouse);
setHandler();
startTimer();
}
//给tablerow增加按钮
private void addButtonTableRow(TableRow tableRow)
{
for(int i=0;i<4;i++){
Button button=new Button(this);
TableRow.LayoutParams params=new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,TableRow.LayoutParams.WRAP_CONTENT,1);//三个参数 宽 高 比重
button.setLayoutParams(params);
button.setBackgroundResource(R.drawable.background);
button.setOnClickListener(new View.OnClickListener() {//打地鼠
@Override
public void onClick(View view) {
if(view==currentButton)//打中地鼠
{
score=score+100;
textViewScore.setText(score+"分");
}
}
});
tableRow.addView(button);
buttons.add(button);//按钮增加到按钮组里
}
}
private void startTimer()
{
timer=new Timer();
TimerTask timerTask=new TimerTask() {
@Override
public void run() {
Message msg=new Message();//作用:用handler让计时器线程去操作activity线程。计时器发送message给handler。安卓线程的安全机制就是这样的了。
msg.what=gameLength--;
handler.sendMessage(msg);
}
};
timer.schedule(timerTask,20,gameLevel);
}
private void setHandler()
{
handler=new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
super.handleMessage(msg);
if(msg.what>0)
{
currentButton.setBackgroundResource(R.drawable.background);
currentButton=buttons.get(rd.nextInt(16));
currentButton.setBackgroundResource(R.drawable.mouse);
progressBar.setProgress((int)(msg.what/30.0*100));
}
else{
timer.cancel();
Toast.makeText(GameActivity.this,"游戏结束!!",Toast.LENGTH_SHORT).show();
}
}
};
}
}
gamelayout如下
<?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=".GameActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginStart="0dp"
android:layout_marginLeft="13dp"
android:layout_marginTop="0dp"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<TextView
android:id="@+id/textViewName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="TextView" />
<TextView
android:id="@+id/textViewLevel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="TextView" />
<TextView
android:id="@+id/textViewScore"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="TextView" />
<Button
android:id="@+id/buttonAgin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="再来一局" />
</LinearLayout>
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
<TableLayout
android:layout_width="409dp"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_alignParentEnd="true"
android:layout_alignParentBottom="true"
android:layout_centerVertical="true"
android:layout_marginStart="2dp"
android:layout_marginLeft="2dp"
android:layout_marginTop="71dp"
android:layout_marginEnd="0dp"
android:layout_marginBottom="-11dp">
<TableRow
android:id="@+id/tableRow1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1" />
<TableRow
android:id="@+id/tableRow2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1" />
<TableRow
android:id="@+id/tableRow3"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1" />
<TableRow
android:id="@+id/tableRow4"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1" />
</TableLayout>
</RelativeLayout>
运行效果: