1 /* 2 * Copyright (C) 20013The 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.example.android.apis.hardware; 18 19 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 22 import android.app.Activity; 23 import android.content.Context; 24 import android.os.Bundle; 25 import android.hardware.ConsumerIrManager; 26 import android.view.View; 27 import android.widget.TextView; 28 import android.util.Log; 29 30 import com.example.android.apis.R; 31 32 /** 33 * App that transmit an IR code 34 * 35 * <p>This demonstrates the {@link android.hardware.ConsumerIrManager android.hardware.ConsumerIrManager} class. 36 * 37 * <h4>Demo</h4> 38 * Hardware / Consumer IR 39 * 40 * <h4>Source files</h4> 41 * <table class="LinkTable"> 42 * <tr> 43 * <td>src/com.example.android.apis/hardware/ConsumerIr.java</td> 44 * <td>Consumer IR demo</td> 45 * </tr> 46 * <tr> 47 * <td>res/any/layout/consumer_ir.xml</td> 48 * <td>Defines contents of the screen</td> 49 * </tr> 50 * </table> 51 */ 52 public class ConsumerIr extends Activity { 53 private static final String TAG = "ConsumerIrTest"; 54 TextView mFreqsText; 55 ConsumerIrManager mCIR; 56 57 /** 58 * Initialization of the Activity after it is first created. Must at least 59 * call {@link android.app.Activity#setContentView setContentView()} to 60 * describe what is to be displayed in the screen. 61 */ 62 @Override onCreate(Bundle savedInstanceState)63 protected void onCreate(Bundle savedInstanceState) { 64 // Be sure to call the super class. 65 super.onCreate(savedInstanceState); 66 67 // Get a reference to the ConsumerIrManager 68 mCIR = (ConsumerIrManager)getSystemService(Context.CONSUMER_IR_SERVICE); 69 70 // See assets/res/any/layout/consumer_ir.xml for this 71 // view layout definition, which is being set here as 72 // the content of our screen. 73 setContentView(R.layout.consumer_ir); 74 75 // Set the OnClickListener for the button so we see when it's pressed. 76 findViewById(R.id.send_button).setOnClickListener(mSendClickListener); 77 findViewById(R.id.get_freqs_button).setOnClickListener(mGetFreqsClickListener); 78 mFreqsText = (TextView) findViewById(R.id.freqs_text); 79 } 80 81 View.OnClickListener mSendClickListener = new View.OnClickListener() { 82 public void onClick(View v) { 83 if (!mCIR.hasIrEmitter()) { 84 Log.e(TAG, "No IR Emitter found\n"); 85 return; 86 } 87 88 // A pattern of alternating series of carrier on and off periods measured in 89 // microseconds. 90 int[] pattern = {1901, 4453, 625, 1614, 625, 1588, 625, 1614, 625, 442, 625, 442, 625, 91 468, 625, 442, 625, 494, 572, 1614, 625, 1588, 625, 1614, 625, 494, 572, 442, 651, 92 442, 625, 442, 625, 442, 625, 1614, 625, 1588, 651, 1588, 625, 442, 625, 494, 598, 93 442, 625, 442, 625, 520, 572, 442, 625, 442, 625, 442, 651, 1588, 625, 1614, 625, 94 1588, 625, 1614, 625, 1588, 625, 48958}; 95 96 // transmit the pattern at 38.4KHz 97 mCIR.transmit(38400, pattern); 98 } 99 }; 100 101 View.OnClickListener mGetFreqsClickListener = new View.OnClickListener() { 102 public void onClick(View v) { 103 StringBuilder b = new StringBuilder(); 104 105 if (!mCIR.hasIrEmitter()) { 106 mFreqsText.setText("No IR Emitter found!"); 107 Log.e(TAG, "No IR Emitter found!\n"); 108 return; 109 } 110 111 // Get the available carrier frequency ranges 112 ConsumerIrManager.CarrierFrequencyRange[] freqs = mCIR.getCarrierFrequencies(); 113 b.append("IR Carrier Frequencies:\n"); 114 for (ConsumerIrManager.CarrierFrequencyRange range : freqs) { 115 b.append(String.format(" %d - %d\n", range.getMinFrequency(), 116 range.getMaxFrequency())); 117 } 118 mFreqsText.setText(b.toString()); 119 } 120 }; 121 } 122