友善之臂Mini6410之Android開發學習筆記源碼同步更新,請使用git工具進行同步。
- git clone https://code.google.com/p/androiddemoformini6410/
LEDActivity.java
- package com.mini6410.LED;
-
- import com.friendlyarm.AndroidSDK.HardwareControler;
- import com.mini6410.R;
-
- import android.app.Activity;
- import android.os.Bundle;
- import android.widget.CompoundButton;
- import android.widget.ToggleButton;
-
- /**
- *
- * ClassName:LEDActivity
- * Reason: LED Demo
- *
- * @author snowdream
- * @version
- * @since Ver 1.1
- * @Date 2011 2012-03-11 16:07
- *
- * @see
- */
- public class LEDActivity extends Activity implements ToggleButton.OnCheckedChangeListener {
-
- /*四個LED燈,編號ID依次為:LED 0,LED_1,LED_2,LED_3*/
- public static final int LED_0 = 0;
- public static final int LED_1 = 1;
- public static final int LED_2 = 2;
- public static final int LED_3 = 3;
-
- /*LED燈的狀態: ON 表示點亮, OFF表示熄滅*/
- public static final int OFF = 0;
- public static final int ON = 1;
-
-
- private int mledID = LED_0;
- private int mledState = OFF;
-
-
- private boolean mStop = false;
-
- /*LED編號數組*/
- private int[] mleds = new int[]{LED_0,LED_1,LED_2,LED_3};
-
- /*5個開關按鈕*/
- private ToggleButton mToggleButton_led0 = null;
- private ToggleButton mToggleButton_led1 = null;
- private ToggleButton mToggleButton_led2 = null;
- private ToggleButton mToggleButton_led3 = null;
- private ToggleButton mToggleButton_ledrandom = null;
-
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.leddemo);
-
- initUI();
- }
-
- /**
- *
- * initUI: 初始化UI
- *
- * @param
- * @return
- * @throws
- */
- public void initUI(){
- mToggleButton_led0 = (ToggleButton)findViewById(R.id.button_led0);
- mToggleButton_led1 = (ToggleButton)findViewById(R.id.button_led1);
- mToggleButton_led2 = (ToggleButton)findViewById(R.id.button_led2);
- mToggleButton_led3 = (ToggleButton)findViewById(R.id.button_led3);
- mToggleButton_ledrandom = (ToggleButton)findViewById(R.id.button_ledrandom);
-
- mToggleButton_led0.setOnCheckedChangeListener(this);
- mToggleButton_led1.setOnCheckedChangeListener(this);
- mToggleButton_led2.setOnCheckedChangeListener(this);
- mToggleButton_led3.setOnCheckedChangeListener(this);
- mToggleButton_ledrandom.setOnCheckedChangeListener(this);
- }
-
- /**
- *
- * onCheckedChanged: 開關按鈕監聽器
- *
- * @param buttonView 當前被按下的按鈕對象;isChecked表示該按鈕的開關狀態
- * @return
- * @throws
- */
- public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
- ToggleButton mToggleButton = (ToggleButton)buttonView;
-
- if(isChecked)
- mledState = ON;
- else
- mledState = OFF;
-
- switch (mToggleButton.getId()) {
- case R.id.button_led0:
- mledID = LED_0;
- setLedState(mledID, mledState);
- break;
- case R.id.button_led1:
- mledID = LED_1;
- setLedState(mledID, mledState);
- break;
- case R.id.button_led2:
- mledID = LED_2;
- setLedState(mledID, mledState);
- break;
- case R.id.button_led3:
- mledID = LED_3;
- setLedState(mledID, mledState);
- break;
- case R.id.button_ledrandom:
- if(isChecked){
- mStop = false;
- RandomLight();
- }else{
- mStop = true;
- setALlLightsOff();
- }
- break;
- default:
- break;
- }
- }
-
- /**
- *
- * setLedState: 設置LED燈的開關
- *
- * @param ledID LED燈編號;ledState LED燈的開關狀態
- * @return true,表示操作成功;否則返回 false。
- * @throws
- */
- public boolean setLedState(int ledID, int ledState){
- boolean ret = false;
- int result = -1;
-
- result = HardwareControler.setLedState(ledID, ledState);
-
- if(result == 0)
- ret = true;
- else
- ret = false;
-
- return ret;
- }
-
-
- /**
- *
- * RandomLight: 隨機點亮LED燈
- *
- * @param
- * @return
- * @throws
- */
- public void RandomLight(){
- new Thread(){
-
- int mledNum = mleds.length;
- int mrandom = 0;
-
- @Override
- public void run() {
-
- while(!mStop){
- /*從0 1 2 3范圍內產生一個整數隨機數*/
- mrandom = (int)(Math.random()*(mledNum));
-
- /*隨機點亮一盞LED燈,然後關閉其他的LED燈*/
- for(int i = 0; i <mleds.length; i++){
- if(i == mrandom){
- setLedState(mleds[i], ON);
- }else{
- setLedState(mleds[i], OFF);
- }
-
- }
-
- try {
- sleep(200);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- }
-
- }}.start();
- }
-
- /**
- *
- * setALlLightsOff: 熄滅全部的LED燈
- *
- * @param
- * @return
- * @throws
- */
- public void setALlLightsOff(){
- for(int i = 0; i <mleds.length; i++){
- setLedState(mleds[i], OFF);
- }
- }
-
- /**
- *
- * setALlLightsOn: 點亮全部的LED燈
- *
- * @param
- * @return
- * @throws
- */
- public void setALlLightsOn(){
- for(int i = 0; i <mleds.length; i++){
- setLedState(mleds[i], ON);
- }
- }
- }
leddemo.xml
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical" >
-
- <LinearLayout
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:orientation="horizontal" >
-
- <LinearLayout
- android:id="@+id/linear_led0"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:orientation="vertical" >
-
- <TextView
- android:id="@+id/textview_led0"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center"
- android:text="@string/led0" >
- </TextView>
-
- <ToggleButton
- android:id="@+id/button_led0"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:textOff="@string/textoff"
- android:textOn="@string/texton" >
- </ToggleButton>
- </LinearLayout>
-
- <LinearLayout
- android:id="@+id/linear_led1"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:orientation="vertical" >
-
- <TextView
- android:id="@+id/textview_led1"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center"
- android:text="@string/led1" >
- </TextView>
-
- <ToggleButton
- android:id="@+id/button_led1"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:textOff="@string/textoff"
- android:textOn="@string/texton" >
- </ToggleButton>
- </LinearLayout>
-
- <LinearLayout
- android:id="@+id/linear_led2"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:orientation="vertical" >
-
- <TextView
- android:id="@+id/textview_led2"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center"
- android:text="@string/led2" >
- </TextView>
-
- <ToggleButton
- android:id="@+id/button_led2"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:textOff="@string/textoff"
- android:textOn="@string/texton" >
- </ToggleButton>
- </LinearLayout>
-
- <LinearLayout
- android:id="@+id/linear_led3"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:orientation="vertical" >
-
- <TextView
- android:id="@+id/textview_led3"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center"
- android:text="@string/led3" >
- </TextView>
-
- <ToggleButton
- android:id="@+id/button_led3"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:textOff="@string/textoff"
- android:textOn="@string/texton" >
- </ToggleButton>
- </LinearLayout>
- </LinearLayout>
-
- <LinearLayout
- android:id="@+id/linear_ledrandom"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:orientation="vertical" >
-
- <TextView
- android:id="@+id/textview_ledrandom"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center"
- android:text="@string/ledrandom" >
- </TextView>
-
- <ToggleButton
- android:id="@+id/button_ledrandom"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center"
- android:textOff="@string/textoff"
- android:textOn="@string/texton" >
- </ToggleButton>
- </LinearLayout>
-
- </LinearLayout>
預覽效果: