test-led.zip_android_android 控制闪光灯_android 驱动_android ，项目_测试

package com.lee.activity; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MainActivity extends Activity { /** Called when the activity is first created. */ /* 定义3个Button声明为private类型 */ private Button mButton1; private Button mButton2; private Button mButton3; private Button mButton4; private Button mButton5; /* 定义要控制LED的编号 */ public int state1=0,state2=0; /* 1为点亮 */ public int led_on = 1; /* 2为熄灭 */ public int led_off = 2; public int fd = 0; private Button.OnClickListener button1_listener= new Button.OnClickListener() { public void onClick(View v) { Linuxc.send(2, led_on); } }; private Button.OnClickListener button4_listener= new Button.OnClickListener() { public void onClick(View v) { Linuxc.send(2, led_off); } }; private Button.OnClickListener button5_listener= new Button.OnClickListener() { public void onClick(View v) { Linuxc.send(1, led_off); } }; private Button.OnClickListener button2_listener= new Button.OnClickListener(){ public void onClick(View v) { Linuxc.send(1, led_on); } }; private Button.OnClickListener button3_listener= new Button.OnClickListener(){ public void onClick(View v) { /* 关闭设备文件 */ Linuxc.closeled(); /* 退出运用程序 */ finish(); } }; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.led); mButton1 =(Button)findViewById(R.id.led_myButton1); mButton2 =(Button) findViewById(R.id.led_myButton2); mButton3 =(Button) findViewById(R.id.led_myButton3); mButton4 =(Button) findViewById(R.id.led_myButton1_1); mButton5 =(Button) findViewById(R.id.led_myButton2_1); fd = Linuxc.openled(); if (fd < 0){ setTitle("open device false!"); //打开设备文件失败的话，就退出 finish(); } else { setTitle("open device success!"); } /*使用setOnClickListener来监听事件*/ mButton1.setOnClickListener(button1_listener); mButton2.setOnClickListener(button2_listener); mButton3.setOnClickListener(button3_listener); mButton4.setOnClickListener(button4_listener); mButton5.setOnClickListener(button5_listener); } }