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      1 /*
      2  * Copyright (C) 2013 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.keyguard;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.MotionEvent;
     22 import android.view.View;
     23 
     24 public class EmergencyCarrierArea extends AlphaOptimizedLinearLayout {
     25 
     26     private CarrierText mCarrierText;
     27     private EmergencyButton mEmergencyButton;
     28 
     29     public EmergencyCarrierArea(Context context) {
     30         super(context);
     31     }
     32 
     33     public EmergencyCarrierArea(Context context, AttributeSet attrs) {
     34         super(context, attrs);
     35     }
     36 
     37     @Override
     38     protected void onFinishInflate() {
     39         super.onFinishInflate();
     40         mCarrierText = findViewById(R.id.carrier_text);
     41         mEmergencyButton = findViewById(R.id.emergency_call_button);
     42 
     43         // The emergency button overlaps the carrier text, only noticeable when highlighted.
     44         // So temporarily hide the carrier text while the emergency button is pressed.
     45         mEmergencyButton.setOnTouchListener(new OnTouchListener(){
     46             @Override
     47             public boolean onTouch(View v, MotionEvent event) {
     48                 if (mCarrierText.getVisibility() != View.VISIBLE) return false;
     49                 switch(event.getAction()) {
     50                     case MotionEvent.ACTION_DOWN:
     51                         mCarrierText.animate().alpha(0);
     52                         break;
     53                     case MotionEvent.ACTION_UP:
     54                         mCarrierText.animate().alpha(1);
     55                         break;
     56                 }
     57                 return false;
     58             }});
     59     }
     60 
     61     public void setCarrierTextVisible(boolean visible) {
     62         mCarrierText.setVisibility(visible ? View.VISIBLE : View.GONE);
     63     }
     64 }
     65