龙岩网站建设一般,株洲最新通告,占酷设计网站官网入口,公司网站建设济南本文实例为大家分享了Android系统级悬浮按钮的具体代码#xff0c;供大家参考#xff0c;具体内容如下具体的需求1、就是做一个系统级的悬浮按钮#xff0c;就像iPhone 桌面的那个悬浮按钮效果一样#xff0c;能随意拖动#xff0c;并且手一放开#xff0c;悬浮按钮就自动…本文实例为大家分享了Android系统级悬浮按钮的具体代码供大家参考具体内容如下具体的需求1、就是做一个系统级的悬浮按钮就像iPhone 桌面的那个悬浮按钮效果一样能随意拖动并且手一放开悬浮按钮就自动靠边。2、可以点击并且可以随意拖动。3、悬浮按钮自动靠边的时候或者移动到边上的时候自动隐藏半边。4、横竖屏切换都兼容1、就在WindowManager 里面添加View这个View通过自定义控件来实现。2、在onTouch里的MotionEvent.ACTION_MOVE事件里头通过控制悬浮按钮的具体坐标来实现随意移动。3、在onTouch里的MotionEvent.ACTION_UP事件里头来控制悬浮按钮自动靠边并且自动隐藏半边不过在这里onTouch和onClick这两个事件是一起触发的不过这也有解决办法你可以在手放开的瞬间通过移动的距离来决定是否触发点击事件如果返回false就会触发点击事件如果返回true就会触发点击事件4、通过自定义控件onLayout方法来捕获横竖屏切换事件5、还有一个靠哪边停靠的问题通过坐标来判读更靠近哪一边。就靠哪边停靠。![以中间这个中心点为准以更短的X轴画一个正方形]下面是具体实现代码import android.content.Context;import android.graphics.Canvas;import android.graphics.Point;import android.graphics.Rect;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import android.view.WindowManager;import android.widget.ImageView;import com.iapppay.openid.channel.LoginResultCallback;import com.iapppay.openid.channel.OpenIDApplication;import com.iapppay.openid.channel.util.DisplayUtil;import com.iapppay.openid.channel.util.LogUtil;import com.iapppay.openid.channel.util.Res;/*** Created by HuangTiebing 2017/2/14.*/public class DragFloatActionButton extends ImageView implements View.OnTouchListener, View.OnClickListener {public static String TAG DragFloatActionButton;private Context context;float lastX, lastY;float originX, originY;int screenWidth;int screenHeight;private int originWidth;private WindowManager windowManager;// // 此windowManagerParams变量为获取的全局变量用以保存悬浮窗口的属性private WindowManager.LayoutParams windowManagerParams;private LoginResultCallback resultCallback; //悬浮按钮点击回调public DragFloatActionButton(Context context, boolean isForceLogin, LoginResultCallback resultCallback) {this(context, null);OpenIDApplication.getInstance().setForceLogin(isForceLogin);this.resultCallback resultCallback;}public DragFloatActionButton(Context context, AttributeSet attrs) {this(context, attrs, 0);}public DragFloatActionButton(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);this.context context;Point screenSize DisplayUtil.getScreenSize(context);screenWidth screenSize.x;screenHeight screenSize.y;setImageResource(Res.drawable(context, ipay_float_btn_bg));setOnTouchListener(this);setOnClickListener(this);windowManager (WindowManager) getContext().getApplicationContext().getSystemService(Context.WINDOW_SERVICE);}public int getOriginWidth() {return originWidth;}public void setOriginWidth(int originWidth) {this.originWidth originWidth;}Overridepublic boolean onTouch(View v, MotionEvent event) {windowManagerParams (WindowManager.LayoutParams) this.getLayoutParams();//获取到状态栏的高度Rect frame new Rect();getWindowVisibleDisplayFrame(frame);int ea event.getAction();switch (ea) {case MotionEvent.ACTION_DOWN:lastX event.getRawX();// 获取触摸事件触摸位置的原始X坐标lastY event.getRawY();originX lastX;originY lastY;break;case MotionEvent.ACTION_MOVE:float dx event.getRawX() - lastX;float dy event.getRawY() - lastY;windowManagerParams.x dx;windowManagerParams.y dy;LogUtil.d(TAG, 移动距离dx dx dy dy);showAllBtn();lastX (int) event.getRawX();lastY (int) event.getRawY();break;case MotionEvent.ACTION_UP:float lastMoveDx Math.abs(event.getRawX() - originX);float lastMoveDy Math.abs(event.getRawY() - originY);LogUtil.d(TAG, 松开时移动距离lastMoveDx lastMoveDx , lastMoveDy lastMoveDy);if (lastMoveDx 10 lastMoveDy 10) { //移动距离太小视为点击return false;} else {updateViewLayout(event);isFirstClick true;return true;}}return false;}/*** 显示整个图标*/public void showAllBtn() {windowManagerParams.width originWidth;windowManagerParams.height originWidth;setImageResource(Res.drawable(context, ipay_float_btn_bg));windowManager.updateViewLayout(this, windowManagerParams); // 刷新显示}/*** 悬浮按钮显示在左边*/private void showInLeft() {windowManagerParams.x 0;windowManagerParams.width originWidth / 2;windowManagerParams.height originWidth;setImageResource(Res.drawable(context, ipay_float_btn_left_hidden));windowManager.updateViewLayout(this, windowManagerParams); // 刷新显示}/*** 悬浮按钮显示在右边*/private void showInRight() {windowManagerParams.width originWidth / 2;windowManagerParams.height originWidth;windowManagerParams.x screenWidth - windowManagerParams.width;setImageResource(Res.drawable(context, ipay_float_btn_right_hidden));windowManager.updateViewLayout(this, windowManagerParams); // 刷新显示}/*** 悬浮按钮显示在上面*/private void showInTop() {windowManagerParams.y 0;windowManagerParams.width originWidth;windowManagerParams.height originWidth / 2;setImageResource(Res.drawable(context, ipay_float_btn_top_hidden));windowManager.updateViewLayout(this, windowManagerParams); // 刷新显示}/*** 悬浮按钮显示在下面*/private void showInBottom() {windowManagerParams.width originWidth;windowManagerParams.height originWidth / 2;windowManagerParams.y screenHeight - windowManagerParams.width;setImageResource(Res.drawable(context, ipay_float_btn_bottom_hidden));windowManager.updateViewLayout(this, windowManagerParams); // 刷新显示}/*** 更新悬浮图标** param event 手动移动事件*/public void updateViewLayout(MotionEvent event) {Point center new Point(screenWidth / 2, screenHeight / 2); //屏幕中心点float xOffset, yOffset;//以屏幕中心点为原点X轴和Y轴上的偏移量if (event ! null) {//手动移动的xOffset event.getRawX() - center.x;yOffset event.getRawY() - center.y;} else {//自动隐藏xOffset lastX - center.x;yOffset lastY - center.y;}if (Math.abs(xOffset) Math.abs(yOffset)) {//向左或向右缩进隐藏if (xOffset 0) { //向左缩进showInLeft();} else {showInRight();}} else {//向上或向下缩进隐藏if (yOffset 0) {//向上缩进showInTop();} else {showInBottom();}}}Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {super.onMeasure(widthMeasureSpec, heightMeasureSpec);}Overrideprotected void onLayout(boolean changed, int left, int top, int right, int bottom) {super.onLayout(changed, left, top, right, bottom);Point screenSize DisplayUtil.getScreenSize(context);if (screenWidth ! screenSize.x) {//屏幕旋转切换screenWidth screenSize.x;screenHeight screenSize.y;lastY windowManagerParams.x;lastX windowManagerParams.y;windowManagerParams.x (int) lastX;windowManagerParams.y (int) lastY;updateViewLayout(null);}}private boolean isFirstClick true;Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);}Overridepublic void onClick(View v) {LogUtil.d(TAG, 执行点击事件);if (!isFirstClick) {OpenIDApplication.getInstance().floatBtnClick(context, OpenIDApplication.getInstance().isForceLogin(), resultCallback);} else {//半隐藏状态点击显示全部isFirstClick false;showAllBtn();}}}调用实现代码这里注意有个问题弹出系统级的悬浮窗需要配置权限并且Android 6.0以上的手机还要弹出对话框问用户是否运行如果这个用户拒绝了就不能弹出系统级的悬浮窗了还有个别手机厂商修改了android源码还需要进系统设置里去允许这个应用弹出悬浮窗。这样的话就体验感非常不好不过这里有个小技巧按下面方式设置为toast类型就完全解决既不用配置权限也不弹出窗来向用户获取权限完全解决问题。WindowManager.LayoutParams windowManagerParams new WindowManager.LayoutParams(WindowManager.LayoutParams.TYPE_TOAST,WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,PixelFormat.TRANSLUCENT);具体实现代码如下DragFloatActionButton floatBtn new DragFloatActionButton(context, isForceLogin, mResultCallback);WindowManager windowManager (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);// 设置LayoutParams(全局变量)相关参数WindowManager.LayoutParams windowManagerParams new WindowManager.LayoutParams(WindowManager.LayoutParams.TYPE_TOAST,WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,PixelFormat.TRANSLUCENT);/*** 注意flag的值可以为* 下面的flags属性的效果形同“锁定”。* 悬浮窗不可触摸不接受任何事件,同时不影响后面的事件响应。* LayoutParams.FLAG_NOT_TOUCH_MODAL 不影响后面的事件* LayoutParams.FLAG_NOT_FOCUSABLE 不可聚焦* LayoutParams.FLAG_NOT_TOUCHABLE 不可触摸*/// 调整悬浮窗口至左上角便于调整坐标windowManagerParams.gravity Gravity.LEFT | Gravity.TOP;// 以屏幕左上角为原点设置x、y初始值windowManagerParams.x 0;windowManagerParams.y 0;// 设置悬浮窗口长宽数据floatBtn.measure(0, 0);floatBtn.setOriginWidth(floatBtn.getMeasuredWidth() - 50);windowManagerParams.width floatBtn.getOriginWidth();windowManagerParams.height windowManagerParams.width;// 显示myFloatView图像windowManager.addView(floatBtn, windowManagerParams);以上就是本文的全部内容希望对大家的学习有所帮助也希望大家多多支持脚本之家。
