Android开发(14)-- 多线程中实现利用自定义控件绘制小球并完成小球自动下落的功能
2013-06-07 01:11
791 查看
1、布局界面
[html]
view plaincopyprint?
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".GameActivity"
>
<www.csdn.net.tetris.view.GameView
android:id="@+id/gameview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/btn_left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/gameview"
android:layout_alignParentBottom="true"
android:text="@string/btn_text"
/>
<Button
android:id="@+id/btn_right"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/gameview"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
android:text="@string/btn_right"
/>
</RelativeLayout>
2、封装的一个绘制的图的类
[java]
view plaincopyprint?
package www.csdn.net.tetris.domain;
import www.csdn.net.tetris.view.GameView;
public class Block {
private int x=20,y=20;
public GameView gameView;
public Block(GameView gameView){
this.gameView=gameView;
}
//向左移动
public void moveLeft(){
x-=10;
gameView.invalidate();
}
//向右移动
public void moveRight(){
x+=10;
gameView.invalidate();
}
//下落方法
public void downLoad(){
y+=10;
gameView.invalidate();//重新绘制
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
}
3、创建一个画布和线程的操作
[java]
view plaincopyprint?
package www.csdn.net.tetris.view;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.View;
import www.csdn.net.tetris.domain.Block;
public class GameView
extends View {
public static Block block;
public Handler handler;
//定义方向
public static
int dir=-1;
//上下左右
public static
final int DIRUP=1;
public static
final int DIRDOWN=2;
public static
final int DIRLEFT=3;
public static
final int DIRRIGHT=4;
public GameView(Context context,AttributeSet attrs) {
super(context);
//创建俄罗斯方块对象
this.block=new Block(this);
handler=new Handler(){
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case DIRLEFT:
GameView.block.moveLeft();
break;
case DIRRIGHT:
GameView.block.moveRight();
break;
default:
GameView.block.downLoad();
break;
}
}
};
//创建线程
new Thread (new Runnable(){
@Override
public void run() {
while(true){
try{
System.out.println("子线程名称:::"+Thread.currentThread().getName());
//block.downLoad();
Thread.sleep(1000);
handler.sendEmptyMessage(dir);
}catch(Exception e){
e.printStackTrace();
}
}
}
}).start();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
//设置了画布的颜色
canvas.drawARGB(255, 0,
0, 255);
//设置一个画笔
Paint paint=new Paint();
paint.setARGB(255,
255, 0,
0);
canvas.drawCircle(block.getX(), block.getY(), 10, paint);
}
}
4、在MainActivity中的操作
[java]
view plaincopyprint?
package com.example.tetris;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import www.csdn.net.tetris.domain.Block;
import www.csdn.net.tetris.view.GameView;
public class GameActivity
extends Activity {
//声明按钮控件
public Button btn_start;
public Button btn_right;
public Button btn_left;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_game);
//获取按钮控件
btn_start=(Button) findViewById(R.id.btn_start);
btn_start.setOnClickListener(new MyOnClickListener());
System.out.println("主线程:::"+Thread.currentThread().getName());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
class MyOnClickListener
implements View.OnClickListener{
@Override
public void onClick(View v) {
int id=v.getId();
switch (id) {
case R.id.btn_start:
//GameView gameView=new GameView(GameActivity.this,null);
GameActivity.this.setContentView(R.layout.activity_layout);
//获取控件
btn_right=(Button) findViewById(R.id.btn_right);
btn_left=(Button) findViewById(R.id.btn_left);
btn_left.setOnClickListener(new MyOnClickListener());
btn_right.setOnClickListener(new MyOnClickListener());
break;
case R.id.btn_left:
Toast.makeText(GameActivity.this,
"向左移动", Toast.LENGTH_LONG).show();
GameView.block.moveLeft();
//GameView.dir=GameView.DIRLEFT;
break;
case R.id.btn_right:
Toast.makeText(GameActivity.this,
"向右移动", Toast.LENGTH_LONG).show();
GameView.block.moveRight();
//GameView.dir=GameView.DIRRIGHT;
break;
default:
break;
}
}
}
}
[html]
view plaincopyprint?
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".GameActivity"
>
<www.csdn.net.tetris.view.GameView
android:id="@+id/gameview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/btn_left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/gameview"
android:layout_alignParentBottom="true"
android:text="@string/btn_text"
/>
<Button
android:id="@+id/btn_right"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/gameview"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
android:text="@string/btn_right"
/>
</RelativeLayout>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".GameActivity" > <www.csdn.net.tetris.view.GameView android:id="@+id/gameview" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <Button android:id="@+id/btn_left" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/gameview" android:layout_alignParentBottom="true" android:text="@string/btn_text" /> <Button android:id="@+id/btn_right" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="@+id/gameview" android:layout_centerHorizontal="true" android:layout_alignParentBottom="true" android:text="@string/btn_right" /> </RelativeLayout>
2、封装的一个绘制的图的类
[java]
view plaincopyprint?
package www.csdn.net.tetris.domain;
import www.csdn.net.tetris.view.GameView;
public class Block {
private int x=20,y=20;
public GameView gameView;
public Block(GameView gameView){
this.gameView=gameView;
}
//向左移动
public void moveLeft(){
x-=10;
gameView.invalidate();
}
//向右移动
public void moveRight(){
x+=10;
gameView.invalidate();
}
//下落方法
public void downLoad(){
y+=10;
gameView.invalidate();//重新绘制
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
}
package www.csdn.net.tetris.domain; import www.csdn.net.tetris.view.GameView; public class Block { private int x=20,y=20; public GameView gameView; public Block(GameView gameView){ this.gameView=gameView; } //向左移动 public void moveLeft(){ x-=10; gameView.invalidate(); } //向右移动 public void moveRight(){ x+=10; gameView.invalidate(); } //下落方法 public void downLoad(){ y+=10; gameView.invalidate();//重新绘制 } public int getX() { return x; } public void setX(int x) { this.x = x; } public int getY() { return y; } public void setY(int y) { this.y = y; } }
3、创建一个画布和线程的操作
[java]
view plaincopyprint?
package www.csdn.net.tetris.view;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.View;
import www.csdn.net.tetris.domain.Block;
public class GameView
extends View {
public static Block block;
public Handler handler;
//定义方向
public static
int dir=-1;
//上下左右
public static
final int DIRUP=1;
public static
final int DIRDOWN=2;
public static
final int DIRLEFT=3;
public static
final int DIRRIGHT=4;
public GameView(Context context,AttributeSet attrs) {
super(context);
//创建俄罗斯方块对象
this.block=new Block(this);
handler=new Handler(){
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case DIRLEFT:
GameView.block.moveLeft();
break;
case DIRRIGHT:
GameView.block.moveRight();
break;
default:
GameView.block.downLoad();
break;
}
}
};
//创建线程
new Thread (new Runnable(){
@Override
public void run() {
while(true){
try{
System.out.println("子线程名称:::"+Thread.currentThread().getName());
//block.downLoad();
Thread.sleep(1000);
handler.sendEmptyMessage(dir);
}catch(Exception e){
e.printStackTrace();
}
}
}
}).start();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
//设置了画布的颜色
canvas.drawARGB(255, 0,
0, 255);
//设置一个画笔
Paint paint=new Paint();
paint.setARGB(255,
255, 0,
0);
canvas.drawCircle(block.getX(), block.getY(), 10, paint);
}
}
package www.csdn.net.tetris.view; import android.content.Context; import android.graphics.Canvas; import android.graphics.Paint; import android.os.Handler; import android.os.Message; import android.util.AttributeSet; import android.view.View; import www.csdn.net.tetris.domain.Block; public class GameView extends View { public static Block block; public Handler handler; //定义方向 public static int dir=-1; //上下左右 public static final int DIRUP=1; public static final int DIRDOWN=2; public static final int DIRLEFT=3; public static final int DIRRIGHT=4; public GameView(Context context,AttributeSet attrs) { super(context); //创建俄罗斯方块对象 this.block=new Block(this); handler=new Handler(){ public void handleMessage(Message msg) { super.handleMessage(msg); switch (msg.what) { case DIRLEFT: GameView.block.moveLeft(); break; case DIRRIGHT: GameView.block.moveRight(); break; default: GameView.block.downLoad(); break; } } }; //创建线程 new Thread (new Runnable(){ @Override public void run() { while(true){ try{ System.out.println("子线程名称:::"+Thread.currentThread().getName()); //block.downLoad(); Thread.sleep(1000); handler.sendEmptyMessage(dir); }catch(Exception e){ e.printStackTrace(); } } } }).start(); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); //设置了画布的颜色 canvas.drawARGB(255, 0, 0, 255); //设置一个画笔 Paint paint=new Paint(); paint.setARGB(255, 255, 0, 0); canvas.drawCircle(block.getX(), block.getY(), 10, paint); } }
4、在MainActivity中的操作
[java]
view plaincopyprint?
package com.example.tetris;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import www.csdn.net.tetris.domain.Block;
import www.csdn.net.tetris.view.GameView;
public class GameActivity
extends Activity {
//声明按钮控件
public Button btn_start;
public Button btn_right;
public Button btn_left;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_game);
//获取按钮控件
btn_start=(Button) findViewById(R.id.btn_start);
btn_start.setOnClickListener(new MyOnClickListener());
System.out.println("主线程:::"+Thread.currentThread().getName());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
class MyOnClickListener
implements View.OnClickListener{
@Override
public void onClick(View v) {
int id=v.getId();
switch (id) {
case R.id.btn_start:
//GameView gameView=new GameView(GameActivity.this,null);
GameActivity.this.setContentView(R.layout.activity_layout);
//获取控件
btn_right=(Button) findViewById(R.id.btn_right);
btn_left=(Button) findViewById(R.id.btn_left);
btn_left.setOnClickListener(new MyOnClickListener());
btn_right.setOnClickListener(new MyOnClickListener());
break;
case R.id.btn_left:
Toast.makeText(GameActivity.this,
"向左移动", Toast.LENGTH_LONG).show();
GameView.block.moveLeft();
//GameView.dir=GameView.DIRLEFT;
break;
case R.id.btn_right:
Toast.makeText(GameActivity.this,
"向右移动", Toast.LENGTH_LONG).show();
GameView.block.moveRight();
//GameView.dir=GameView.DIRRIGHT;
break;
default:
break;
}
}
}
}
相关文章推荐
- Android开发之多线程中实现利用自定义控件绘制小球并完成小球自动下落功能实例
- 利用自定义控件绘制小球并完成小球自动下落的功能
- Android编程实现canvas绘制柱状统计图功能【自动计算宽高及分度值、可左右滑动】
- Asp.net 2.0 自定义控件开发[实现自动计算功能(AutoComputeControl)][示例代码下载]
- Android开发:ImageView上绘制旋转圆环(透明度不同的旋转圆环,利用canvas.drawArc实现)
- Android 利用工具实现一键自动findViewById功能
- Android开发:实现APP自动填写注册验证码功能
- Asp.net 2.0 自定义控件开发[实现自动计算功能(AutoComputeControl)][示例代码下载]
- Android 利用AutoCompleteTextView实现模糊搜索功能,搜索结果自动提示,识别拼音首字母并转汉字提示
- Android实现利用手势完成屏幕密码锁功能
- Asp.net 2.0 自定义控件开发[实现自动计算功能(AutoComputeControl)][示例代码下载]
- 【原创】SSH开发框架中,实现系统启动加载类,读取数据库常用数据进入内存,利用Spring托管,并完成reload功能
- Asp.net 2.0 自定义控件开发[实现自动计算功能(AutoComputeControl)][示例代码下载]
- 【Android游戏开发十六】Android Gesture之【触摸屏手势识别】操作!利用触摸屏手势实现一个简单切换图片的功能!
- Android开发:实现APP自动填写注册验证码功能
- Asp.net 2.0 自定义控件开发[实现自动计算功能(AutoComputeControl)][示例代码下载]
- (转)自动完成功能,VS2005下开发数据窗口控件,及数据窗口列,即表中表的实现。大家关注!
- android开发游记:APP自动更新功能的快速集成和实现方法讲解
- [导入]Asp.net 2.0 自定义控件开发[实现自动计算功能(AutoComputeControl)][示例代码下载]
- Asp.net 2.0 自定义控件开发[实现自动计算功能]