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android自定義加減按鈕

 更新時間：2020年03月30日 11:59:50   作者：望風的懶蝸牛  
這篇文章主要為大家詳細介紹了android自定義加減按鈕，文中示例代碼介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了android自定義加減按鈕的具體代碼，供大家參考，具體內容如下

1、定義兩個shape：

my_button_shape_normal.xml：

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
 android:shape="rectangle" >

 <stroke
 android:width="1dp"
 android:color="#007FFF" />

 <corners android:radius="5dip" />

 <padding
 android:bottom="1dp"
 android:left="10dp"
 android:right="10dp"
 android:top="1dp" />

</shape>

my_button_shape_pressed.xml：

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
 android:shape="rectangle" >

 <stroke
 android:width="1dp"
 android:color="#007FFF" />

 <corners android:radius="5dip" />

 <padding
 android:bottom="1dp"
 android:left="10dp"
 android:right="10dp"
 android:top="1dp" />

</shape>

2、定義一個drawable:my_button_style.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

 <item android:drawable="@drawable/my_button_shape_normal" android:state_focused="false" android:state_pressed="false"></item>
 <item android:drawable="@drawable/my_button_shape_pressed" android:state_focused="false" android:state_pressed="true"></item>

</selector>

3、定義button布局(mybutton.xml):

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:orientation="horizontal" >

 <Button
 android:id="@+id/reduce"
 android:layout_width="50dp"
 android:layout_height="30dp"
 android:background="@drawable/my_button_style"
 android:gravity="center"
 android:paddingBottom="10dp"
 android:text="-"
 android:textColor="#007FFF" />

 <Button
 android:id="@+id/add"
 android:layout_width="50dp"
 android:layout_height="30dp"
 android:layout_toRightOf="@+id/reduce"
 android:background="@drawable/my_button_style"
 android:gravity="center"
 android:paddingBottom="10dp"
 android:text="+"
 android:textColor="#007FFF" />

</RelativeLayout>

4、定義MyButton類：

public class MyButton extends RelativeLayout {
 private View view;
 private Button add, reduce;

 private OnAddReduceChangeStatusListener mAddReduceChangeStatusListener;

 public MyButton(Context context, AttributeSet attrs, int defStyle) {
 super(context, attrs, defStyle);
 // TODO Auto-generated constructor stub
 }

 public MyButton(Context context, AttributeSet attrs) {
 super(context, attrs);
 // TODO Auto-generated constructor stub
 view = LayoutInflater.from(context).inflate(R.layout.mybutton, this, true);

 init();
 }

 public MyButton(Context context) {
 super(context);
 // TODO Auto-generated constructor stub
 }

 private void init() {
 add = (Button) view.findViewById(R.id.add);
 reduce = (Button) view.findViewById(R.id.reduce);

 add.setOnTouchListener(new ComponentOnTouch());
 reduce.setOnTouchListener(new ComponentOnTouch());
 }

 class ComponentOnTouch implements OnTouchListener {

 @Override
 public boolean onTouch(View v, MotionEvent event) {
 // TODO Auto-generated method stub
 switch (v.getId()) {
 case R.id.add:
 if (mAddReduceChangeStatusListener != null) {
 mAddReduceChangeStatusListener.add(MyButton.this.getId(),event.getAction());
 }
 break;
 case R.id.reduce:
 if (mAddReduceChangeStatusListener != null) {
 mAddReduceChangeStatusListener.reduce(MyButton.this.getId(),event.getAction());
 }
 break;
 }
 return true;
 }
 }

 public void setOnAddReduceChangeStatusListener(OnAddReduceChangeStatusListener listener) {
 this.mAddReduceChangeStatusListener = listener;
 }

 public abstract interface OnAddReduceChangeStatusListener {
 public abstract boolean add(int viewId,int eventAction);

 public abstract boolean reduce(int viewId,int eventAction);

 }
}

5、布局中使用：

<package.MyButton
  android:id="@+id/mybutton_id"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content" >
 </package.MyButton>

6.代碼中使用:

a.初始化：

mybutton = (MyButton) findViewById(R.id.mybutton_id);
 mybutton.setOnAddReduceChangeStatusListener(new OnAddReduceListener());

b.listener監(jiān)聽:

class OnAddReduceListener implements OnAddReduceChangeStatusListener {

 @Override
 public boolean add(int viewId, int eventAction) {
 // TODO Auto-generated method stub
 if (eventAction == MotionEvent.ACTION_DOWN) {
 onTouchChange("add");
 } else if (eventAction == MotionEvent.ACTION_UP) {
 if (plusThread != null) {
 isOnLongClick = false;
 }
 } else if (eventAction == MotionEvent.ACTION_MOVE) {
 if (plusThread != null) {
 isOnLongClick = true;
 }
 } else if (eventAction == MotionEvent.ACTION_CANCEL) {
 if (plusThread != null) {
 isOnLongClick = false;
 }
 }
 return true;
 }

 @Override
 public boolean reduce(int viewId, int eventAction) {
 // TODO Auto-generated method stub
 if (eventAction == MotionEvent.ACTION_DOWN) {
 onTouchChange("reduce");
 } else if (eventAction == MotionEvent.ACTION_UP) {
 if (miusThread != null) {
 isOnLongClick = false;
 }
 } else if (eventAction == MotionEvent.ACTION_MOVE) {
 if (miusThread != null) {
 isOnLongClick = true;
 }
 } else if (eventAction == MotionEvent.ACTION_CANCEL) {
 if (miusThread != null) {
 isOnLongClick = false;
 }
 }
 return true;
 }
 }

 private void onTouchChange(String method) {
 if (method.equals("add")) {
 plusThread = new PlusThread();
 isOnLongClick = true;
 plusThread.start();
 } else if (method.equals("reduce")) {
 miusThread = new MiusThread();
 isOnLongClick = true;
 miusThread.start();
 }
 }

c,定義兩個線程用來加減：

// 減操作
 class MiusThread extends Thread {
 @Override
 public void run() {
 while (isOnLongClick) {
 try {
 Thread.sleep(200);
 myHandler.sendEmptyMessage(1);
 } catch (InterruptedException e) {
 e.printStackTrace();
 }
 super.run();
 }
 }
 }

 // 加操作
 class PlusThread extends Thread {
 @Override
 public void run() {
 while (isOnLongClick) {
 try {
 Thread.sleep(200);
 myHandler.sendEmptyMessage(2);
 } catch (InterruptedException e) {
 e.printStackTrace();
 }
 super.run();
 }
 }
 }

使用Handler進行處理：

Handler myHandler = new Handler() {

 @Override
 public void handleMessage(Message msg) {
 // TODO Auto-generated method stub
 if (msg.what == 1) {
 //加操作
 } else if (msg.what == 2) {
 //減操作
 }
 }
 };

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。

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