Home | History | Annotate | Download | only in list
      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.car.list;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.MotionEvent;
     22 import android.widget.RelativeLayout;
     23 
     24 /**
     25  * Intercepts all touch event, so they don't pass onto child views. One use case for this is to
     26  * make the line item in a list view clickable and control the logic and update the sub view.
     27  */
     28 public class InterceptTouchRelativeLayout extends RelativeLayout {
     29 
     30     public InterceptTouchRelativeLayout(Context context) {
     31         super(context);
     32     }
     33 
     34     public InterceptTouchRelativeLayout(Context context, AttributeSet attrs) {
     35         super(context, attrs);
     36     }
     37 
     38     public InterceptTouchRelativeLayout(Context context, AttributeSet attrs, int defStyleAttr) {
     39         super(context, attrs, defStyleAttr);
     40     }
     41 
     42     public InterceptTouchRelativeLayout(
     43             Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
     44         super(context, attrs, defStyleAttr, defStyleRes);
     45     }
     46 
     47     /**
     48      * Intercepts all touch event.
     49      * @return true.
     50      */
     51     @Override
     52     public boolean onInterceptTouchEvent(MotionEvent ev) {
     53         return true;
     54     }
     55 }
     56