Android 手势相关(一)

夏沫琅琊2024-03-31 9:52

Android 手势相关(一)

本篇文章主要记录下android 手势相关的一些内容.

Android 提供了一套强大的手势识别框架,可以用来检测和处理用户的手势操作.

1: 手势识别

Android 提供了GestureDetector类来识别手势,通过GestureDetector可以检测用户的滑动,长按,双击等手势操作.

2: 手势监听器

android 中处理手势操作,需要我们实现GestureDetector.OnGestureListener接口,或者继承GestureDetector.SimpleOnGestureListener.

这里我们分开来讲述下这两种方式.

3: OnGestureListener接口

我们先实现下接口,添加打印日志:

java 复制代码 
public class MyGesture implements GestureDetector.OnGestureListener {
    private static final String TAG = "MyGesture";

    @Override
    public boolean onDown(MotionEvent e) {
        Log.i(TAG, "onDown: "+e);
        return false;
    }

    @Override
    public void onShowPress(MotionEvent e) {
        Log.i(TAG, "onShowPress: "+e);
    }

    @Override
    public boolean onSingleTapUp(MotionEvent e) {
        Log.i(TAG, "onSingleTapUp: "+e);
        return false;
    }

    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
        Log.i(TAG, "onScroll: " +e1+" "+e2);
        return false;
    }

    @Override
    public void onLongPress(MotionEvent e) {
        Log.i(TAG, "onLongPress: "+e);
    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        Log.i(TAG, "onFling: "+e1 +" "+e2);
        return false;
    }
}
  1. onDown(): 手势按下 MotionEvent.ACTION_DOWN
  2. onShowPress(): 用户已经按下,但是还没有执行移动/向上的移动操作.(这里我们可以给出高亮显示,增强显示效果) MotionEvent.ACTION_DOWN
  3. onSingleTapUp(): 用户手势抬起时的动作. MotionEvent.ACTION_UP
  4. onScroll(): 屏幕滑动 包括两个MotionEvent.ACTION_DOWN,MotionEvent.ACTION_MOVE
  5. onLongPress(): 长按 ACTION_DOWN
  6. onFling():迅速滑动

测试:

1: 手势按下->抬起

onDown->onSingleTapUp

java 复制代码 
2024-03-27 11:22:18.236 6675-6675/? I/MyGesture: onDown: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=359.5007, y[0]=444.70743, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=175867619, downTime=175867619, deviceId=2, source=0x1002, displayId=0 }

2024-03-27 11:22:18.294 6675-6675/? I/MyGesture: onSingleTapUp: 
    MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=359.5007, y[0]=444.70743, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=175867683, downTime=175867619, deviceId=2, source=0x1002, displayId=0 }
2: 长按不抬起

onDown->onShowPress->onLongPress

java 复制代码 
2024-03-27 11:24:31.611 6675-6675/? I/MyGesture: onDown: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=550.2358, y[0]=541.6437, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176000997, downTime=176000997, deviceId=2, source=0x1002, displayId=0 }

2024-03-27 11:24:31.706 6675-6675/? I/MyGesture: onShowPress: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=550.2358, y[0]=541.6437, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176000997, downTime=176000997, deviceId=2, source=0x1002, displayId=0 }

2024-03-27 11:24:32.008 6675-6675/? I/MyGesture: onLongPress: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=550.2358, y[0]=541.6437, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176000997, downTime=176000997, deviceId=2, source=0x1002, displayId=0 }
3: 屏幕上来回滑动

onDown->onShowPress->onScroll->onScroll

java 复制代码 
2024-03-27 11:26:18.190 6675-6675/? I/MyGesture: onDown: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=146.79613, y[0]=707.53455, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176107576, downTime=176107576, deviceId=2, source=0x1002, displayId=0 }

2024-03-27 11:26:18.285 6675-6675/? I/MyGesture: onShowPress: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=146.79613, y[0]=707.53455, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176107576, downTime=176107576, deviceId=2, source=0x1002, displayId=0 }

2024-03-27 11:26:18.345 6675-6675/? I/MyGesture: onScroll: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=146.79613, y[0]=707.53455, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176107576, downTime=176107576, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=195.22885, y[0]=706.0355, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=2, eventTime=176107730, downTime=176107576, deviceId=2, source=0x1002, displayId=0 }


2024-03-27 11:26:18.361 6675-6675/? I/MyGesture: onScroll: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=146.79613, y[0]=707.53455, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176107576, downTime=176107576, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=245.15952, y[0]=705.03613, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=2, eventTime=176107747, downTime=176107576, deviceId=2, source=0x1002, displayId=0 }
4: 快速划过

onDown->onScroll->onScroll->onFling

java 复制代码 
2024-03-27 11:28:58.135 6675-6675/? I/MyGesture: onDown: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=185.74203, y[0]=596.6075, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267521, downTime=176267521, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:28:58.170 6675-6675/? I/MyGesture: onScroll: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=185.74203, y[0]=596.6075, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267521, downTime=176267521, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=361.2865, y[0]=554.5809, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=3, eventTime=176267556, downTime=176267521, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:28:58.187 6675-6675/? I/MyGesture: onScroll: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=185.74203, y[0]=596.6075, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267521, downTime=176267521, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=519.8522, y[0]=535.2958, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=2, eventTime=176267573, downTime=176267521, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:28:58.204 6675-6675/? I/MyGesture: onScroll: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=185.74203, y[0]=596.6075, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267521, downTime=176267521, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=681.7713, y[0]=530.18, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=2, eventTime=176267589, downTime=176267521, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:28:58.210 6675-6675/? I/MyGesture: onScroll: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=185.74203, y[0]=596.6075, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267521, downTime=176267521, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=718.0028, y[0]=530.6509, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267593, downTime=176267521, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:28:58.210 6675-6675/? I/MyGesture: onFling: 
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=185.74203, y[0]=596.6075, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267521, downTime=176267521, deviceId=2, source=0x1002, displayId=0 } 
    MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=718.0028, y[0]=530.6509, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=176267600, downTime=176267521, deviceId=2, source=0x1002, displayId=0 }

4: SimpleOnGestureListener类

继承SimpleOnGestureListener,代码如下:

java 复制代码 
public class MyGesture2 extends GestureDetector.SimpleOnGestureListener {
    private static final String TAG = "MyGesture2";
    @Override
    public boolean onDown(MotionEvent e) {
        Log.i(TAG, "onDown:\n"+e);
        return super.onDown(e);
    }

    @Override
    public void onShowPress(MotionEvent e) {
        Log.i(TAG, "onShowPress:\n"+e);
        super.onShowPress(e);
    }

    @Override
    public boolean onSingleTapUp(MotionEvent e) {
        Log.i(TAG, "onSingleTapUp:\n"+e);
        return super.onSingleTapUp(e);
    }

    @Override
    public void onLongPress(MotionEvent e) {
        Log.i(TAG, "onLongPress:\n"+e);
        super.onLongPress(e);
    }

    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
        Log.i(TAG, "onScroll:\n"+e1+"\n"+e2+"\n");
        return super.onScroll(e1, e2, distanceX, distanceY);
    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        Log.i(TAG, "onFling:\n"+e1+"\n"+e2+"\n");
        return super.onFling(e1, e2, velocityX, velocityY);
    }

    @Override
    public boolean onDoubleTap(MotionEvent e) {
        Log.i(TAG, "onDoubleTap:\n"+e);
        return super.onDoubleTap(e);
    }

    @Override
    public boolean onDoubleTapEvent(MotionEvent e) {
        Log.i(TAG, "onDoubleTapEvent:\n"+e);
        return super.onDoubleTapEvent(e);
    }

    @Override
    public boolean onContextClick(MotionEvent e) {
        Log.i(TAG, "onContextClick:\n"+e);
        return super.onContextClick(e);
    }

    @Override
    public boolean onSingleTapConfirmed(MotionEvent e) {
        Log.i(TAG, "onSingleTapConfirmed:\n"+e);
        return super.onSingleTapConfirmed(e);
    }

}

SimpleOnGestureListener类实际上继承了OnGestureListener, OnDoubleTapListener, OnContextClickListener这三个接口.

这里我们只需要关注OnDoubleTapListener以及OnContextClickListener即可.

  1. onSingleTapConfirmed():用户在屏幕上进行了单击操作
  2. onDoubleTap(): 发生双击时 , 参数MotionEvent代表的是第一次向下点击的事件
  3. onDoubleTapEvent():双击手势发生时发出的通知, MotionEvent可以是向下,移动,向上.
  4. onContextClick():

测试:

1.手势按下->抬起

onDown->onSingleTapUp->onSingleTapConfirmed

java 复制代码 
2024-03-27 11:53:46.537 9897-9897/? I/MyGesture2: onDown:
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=380.4716, y[0]=401.73572, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177755922, downTime=177755922, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:53:46.596 9897-9897/? I/MyGesture2: onSingleTapUp:
    MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=380.4716, y[0]=401.73572, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177755985, downTime=177755922, deviceId=2, source=0x1002, displayId=0 }
2024-03-27 11:53:46.837 9897-9897/? I/MyGesture2: onSingleTapConfirmed:
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=380.4716, y[0]=401.73572, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177755922, downTime=177755922, deviceId=2, source=0x1002, displayId=0 }
2: 双击

onDown->onSingleTapUp->onDoubleTap(ACTION_DOWN)->onDoubleTapEvent(ACTION_DOWN)

->onDown->onDoubleTapEvent(ACTION_MOVE)->onDoubleTapEvent(ACTION_MOVE)->onDoubleTapEvent(ACTION_UP)

java 复制代码 
2024-03-24 11:48:03.028 9897-9897/? I/MyGesture2: onDown:
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=387.46185, y[0]=547.6397, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412412, downTime=177412412, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.071 9897-9897/? I/MyGesture2: onSingleTapUp:
    MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=387.46185, y[0]=547.6397, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412459, downTime=177412412, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.311 9897-9897/? I/MyGesture2: onDoubleTap:
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=387.46185, y[0]=547.6397, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412412, downTime=177412412, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.312 9897-9897/? I/MyGesture2: onDoubleTapEvent:
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=384.46603, y[0]=527.6529, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412698, downTime=177412698, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.313 9897-9897/? I/MyGesture2: onDown:
    MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=384.46603, y[0]=527.6529, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412698, downTime=177412698, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.332 9897-9897/? I/MyGesture2: onDoubleTapEvent:
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=384.46603, y[0]=527.6529, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=2, eventTime=177412715, downTime=177412698, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.348 9897-9897/? I/MyGesture2: onDoubleTapEvent:
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=384.46603, y[0]=527.6529, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=2, eventTime=177412733, downTime=177412698, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.355 9897-9897/? I/MyGesture2: onDoubleTapEvent:
    MotionEvent { action=ACTION_MOVE, actionButton=0, id[0]=0, x[0]=384.46603, y[0]=527.6529, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412738, downTime=177412698, deviceId=2, source=0x1002, displayId=0 }
2024-03-24 11:48:03.356 9897-9897/? I/MyGesture2: onDoubleTapEvent:
    MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=384.46603, y[0]=527.6529, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=177412744, downTime=177412698, deviceId=2, source=0x1002, displayId=0 }
相关推荐
花花鱼2 小时前
android studio 设置让开发更加的方便，比如可以查看变量的类型，参数的名称等等
android·ide·android studio
alexhilton3 小时前
为什么你的App总是忘记所有事情
android·kotlin·android jetpack
AirDroid_cn7 小时前
OPPO手机怎样被其他手机远程控制？两台OPPO手机如何相互远程控制？
android·windows·ios·智能手机·iphone·远程工作·远程控制
尊治7 小时前
手机电工仿真软件更新了
android
xiangzhihong89 小时前
使用Universal Links与Android App Links实现网页无缝跳转至应用
android·ios
车载应用猿10 小时前
基于Android14的CarService 启动流程分析
android
没有了遇见11 小时前
Android 渐变色实现总结
android
雨白13 小时前
Jetpack系列(四)：精通WorkManager，让后台任务不再失控
android·android jetpack
mmoyula15 小时前
【RK3568 驱动开发：实现一个最基础的网络设备】
android·linux·驱动开发
sam.li16 小时前
WebView安全实现（一）
android·安全·webview
热门推荐
01集群聊天服务器---MySQL数据库的建立02Java学习第十五部分——MyBatis03Coze扣子平台完整体验和实践（附国内和国际版对比）04《深入设计模式》模式结构汇总05使用Ruby接入实时行情API教程06扣子（coze）实战|我用扣子搭建了一个自动分析小红薯笔记内容的AI应用|详细步骤拆解07基于odoo17的设计模式详解---单例模式08基于odoo17的设计模式详解---装饰模式09DeepSeek各版本说明与优缺点分析10Everything文件检索工具 几秒检索几百G的文件