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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.accessorydisplay.source.presentation;
     18 
     19 import com.android.accessorydisplay.common.Logger;
     20 import com.android.accessorydisplay.source.R;
     21 
     22 import android.app.Presentation;
     23 import android.content.Context;
     24 import android.content.res.Resources;
     25 import android.opengl.GLSurfaceView;
     26 import android.os.Bundle;
     27 import android.view.Display;
     28 import android.view.MotionEvent;
     29 import android.view.View;
     30 import android.widget.Button;
     31 
     32 /**
     33  * The presentation to show on the accessory display.
     34  * <p>
     35  * Note that this display may have different metrics from the display on which
     36  * the main activity is showing so we must be careful to use the presentation's
     37  * own {@link Context} whenever we load resources.
     38  * </p>
     39  */
     40 public final class DemoPresentation extends Presentation {
     41     private final Logger mLogger;
     42 
     43     private GLSurfaceView mSurfaceView;
     44     private CubeRenderer mRenderer;
     45     private Button mExplodeButton;
     46 
     47     public DemoPresentation(Context context, Display display, Logger logger) {
     48         super(context, display);
     49         mLogger = logger;
     50     }
     51 
     52     @Override
     53     protected void onCreate(Bundle savedInstanceState) {
     54         // Be sure to call the super class.
     55         super.onCreate(savedInstanceState);
     56 
     57         // Get the resources for the context of the presentation.
     58         // Notice that we are getting the resources from the context of the presentation.
     59         Resources r = getContext().getResources();
     60 
     61         // Inflate the layout.
     62         setContentView(R.layout.presentation_content);
     63 
     64         // Set up the surface view for visual interest.
     65         mRenderer = new CubeRenderer(false);
     66         mSurfaceView = (GLSurfaceView)findViewById(R.id.surface_view);
     67         mSurfaceView.setRenderer(mRenderer);
     68 
     69         // Add a button.
     70         mExplodeButton = (Button)findViewById(R.id.explode_button);
     71         mExplodeButton.setOnClickListener(new View.OnClickListener() {
     72             @Override
     73             public void onClick(View v) {
     74                 mRenderer.explode();
     75             }
     76         });
     77     }
     78 
     79     @Override
     80     public boolean onTouchEvent(MotionEvent event) {
     81         mLogger.log("Received touch event: " + event);
     82         return super.onTouchEvent(event);
     83     }
     84 }