android SimpleOnGestureListener仅触发onscroll事件
我的布局xml文件如下android SimpleOnGestureListener仅触发onscroll事件,android,uigesturerecognizer,onfling,android-gesture,Android,Uigesturerecognizer,Onfling,Android Gesture,我的布局xml文件如下 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" andro
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:orientation="vertical">
<LinearLayout
android:id="@+id/WebviewContainer"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >
<WebView
android:id="@+id/Webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
<LinearLayout
android:id="@+id/BottomBtns"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="@+id/ImageButton01"
android:layout_width="36px"
android:layout_height="36px"
android:layout_gravity="center_vertical"
android:adjustViewBounds="true"
android:background="@drawable/btn_left"
android:onClick="ClickBtn1" />
<Button
android:id="@+id/ImageButton02"
android:layout_width="36px"
android:layout_height="36px"
android:layout_gravity="center_vertical"
android:adjustViewBounds="true"
android:background="@drawable/btn_home"
android:onClick="ClickBtn2" />
<Button
android:id="@+id/ImageButton03"
android:layout_width="36px"
android:layout_height="36px"
android:layout_gravity="center_vertical|center_horizontal"
android:adjustViewBounds="true"
android:background="@drawable/btn_refresh"
android:onClick="ClickBtn3" />
<Button
android:id="@+id/ImageButton04"
android:layout_width="36px"
android:layout_height="36px"
android:layout_gravity="center_vertical|center_horizontal"
android:adjustViewBounds="true"
android:background="@drawable/btn_right"
android:onClick="ClickBtn4" />
</LinearLayout>
我的姿势是这样的:
package com.news;
import android.app.Activity;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;
import android.widget.Toast;
class Gestures extends SimpleOnGestureListener {
private Activity a = null;
final int horizontalRange = 10;
final int verticalRange = 50;
final int GESTURE_LEFT = 1;
final int GESTURE_RIGHT = 2;
final int GESTURE_INVALID = 0;
public Gestures(Activity activity) {
a = activity;
}
public Gestures() {
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
Toast.makeText(a.getApplicationContext(), "FLING", Toast.LENGTH_SHORT).show();
return false;
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
float distanceY) {
if (distanceY<horizontalRange && distanceX>verticalRange) {
android.webkit.WebView webView = (android.webkit.WebView)a.getWindow().getDecorView().findViewById(R.id.Webview);
webView.goBack();
//Toast.makeText(a.getApplicationContext(), "Left" + distanceX, Toast.LENGTH_SHORT).show();
}
else if(distanceY<horizontalRange && distanceX < -verticalRange) {
android.webkit.WebView webView = (android.webkit.WebView)a.getWindow().getDecorView().findViewById(R.id.Webview);
webView.goForward();
}
return false;
}
@Override
public boolean onDown(MotionEvent me) {
return true;
}
}
package.com.news;
导入android.app.Activity;
导入android.view.GestureDetector.SimpleOnGestureListener;
导入android.view.MotionEvent;
导入android.widget.Toast;
类手势扩展了SimpleOnGestureListener{
私人活动a=null;
最终int水平范围=10;
最终整数垂直范围=50;
最后的int手势_LEFT=1;
最后的int手势_RIGHT=2;
最终int手势_无效=0;
公众手势(活动){
a=活动;
}
公共姿态{
}
@凌驾
公共布尔onFling(运动事件e1、运动事件e2、浮点速度X、,
浮动速度y){
Toast.makeText(a.getApplicationContext(),“FLING”,Toast.LENGTH\u SHORT.show();
返回false;
}
@凌驾
公共布尔onScroll(MotionEvent e1、MotionEvent e2、浮点距离X、,
浮动距离){
if(距离垂直范围){
android.webkit.WebView WebView=(android.webkit.WebView)a.getWindow().getDecorView().findviewbyd(R.id.WebView);
webView.goBack();
//Toast.makeText(a.getApplicationContext(),“Left”+distanceX,Toast.LENGTH\u SHORT).show();
}
否则如果(距离以防万一你没有找到答案。我面临着同样的问题,我的解决方案是
更改此方法并返回true
@Override
public boolean onTouchEvent(MotionEvent me) {
gDetector.onTouchEvent(me);
return true;
}
希望这有帮助
@Override
public boolean onTouchEvent(MotionEvent me) {
gDetector.onTouchEvent(me);
return true;
}