lssjzmn安卓手电筒源码

1、注意：1. 不带图标资源，可以自己画一个2. 编译平台为Eclipse 最低安卓版本为v4.03. 工程源码下载地址：第一部分：java源码(共两个.java)MainActivity.javapackage com.lssjzmn.zm_flash;import java.util.Timer;import java.util.TimerTask;import android.graphics.Color;import android.hardware.Camera;import android.hardware.Camera.Parameters;import android.hardwa

2、re.Sensor;import android.hardware.SensorEvent;import android.hardware.SensorEventListener;import android.hardware.SensorManager;import android.os.Bundle;import android.os.Vibrator;import android.view.KeyEvent;import android.view.View;import android.view.Window;import android.widget.Button;import and

3、roid.widget.ImageButton;import android.widget.ImageView;import android.widget.RelativeLayout;import android.widget.TextView;import android.widget.Toast;import android.app.Activity;import android.app.AlertDialog;import android.app.Service;import android.content.DialogInterface;import android.content.

4、Intent;import android.content.IntentFilter;import android.content.pm.FeatureInfo;import android.content.pm.PackageManager;public class MainActivity extends Activity implements SensorEventListener private Camera mCamera;private Parameters param;private ImageView mImageViewbg;private TextView mTextVie

5、w1;private TextView mTextView2;private TextView mTextView3;private SensorManager mSensorManager = null;private Sensor mSensor = null;private Timer mTimer;private TimerTask mTimerTask;private Vibrator mVibrator;private AlertDialog mdialog;private static Boolean isFlashOn = false;private Boolean isFal

6、shExists = false;private Boolean isSosOn = false;private Boolean isTimerOff = false;private Boolean isVibratorable = false;private int lux, mi = 0;private int remain = 2, counter = 2;private long mExitTime = 0;private long mFlashPeriod = 600;Overrideprotected void onCreate(Bundle savedInstanceState)

7、 super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_main);HomeKeyExit homeKeyExitReceiver = new HomeKeyExit(); / 生成注册广播接收registerReceiver(homeKeyExitReceiver, new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);checkflash();mCamera = Ca

8、mera.open();param = mCamera.getParameters();mVibrator = (Vibrator) getApplication().getSystemService(Service.VIBRATOR_SERVICE);mSensorManager = (SensorManager) getApplication().getSystemService(Service.SENSOR_SERVICE);mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);mSensorManager.regist

9、erListener(this, mSensor,SensorManager.SENSOR_DELAY_GAME);/ 创建对话框AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setTitle("选择闪烁速度");/ 创建选项数组String options = "快", "中(默认)", "慢" ;builder.setItems(options, dialogListener); / 设置选项builder.setNega

10、tiveButton("确定", null);mdialog = builder.create(); / 创建对话框mTextView1 = (TextView) findViewById(R.id.textView);mTextView2 = (TextView) findViewById(R.id.speeddisp);mTextView2.setText("当前闪烁速度：默认");mTextView3 = (TextView) findViewById(R.id.isvibratoring);mTextView3.setText("非振动

11、模式");mImageViewbg = (ImageView) findViewById(R.id.backgrd);ImageButton btnon = (ImageButton) findViewById(R.id.on);btnon.setOnClickListener( / 匿名内层类new View.OnClickListener() Overridepublic void onClick(View v) if (isSosOn = true) mTimer.cancel();isSosOn = false;isTimerOff = true;flashOn(mCamer

12、a, param););ImageButton btnoff = (ImageButton) findViewById(R.id.off);btnoff.setOnClickListener( / 匿名内层类new View.OnClickListener() Overridepublic void onClick(View v) if (isSosOn = true) mTimer.cancel();isSosOn = false;isTimerOff = true;if (isFlashOn = true) flashOff(mCamera, param); elsereturn;);Im

13、ageButton btnvib = (ImageButton) findViewById(R.id.vibrator);btnvib.setOnClickListener( / 匿名内层类new View.OnClickListener() Overridepublic void onClick(View v) remain = counter % 2;if (remain = 1) isVibratorable = false;counter += 1;mTextView3.setText("非振动模式"); else isVibratorable = true;cou

14、nter += 1;mTextView3.setText("光敏感振动模式"););mTimer = new Timer();mTimerTask = new sosTimerTask();ImageButton btnsos = (ImageButton) findViewById(R.id.bntsos);btnsos.setOnClickListener( / 匿名内层类new View.OnClickListener() Overridepublic void onClick(View v) if (isTimerOff = true) mTimer = new T

15、imer();mTimerTask = new sosTimerTask();isTimerOff = false;if (isSosOn = false) isSosOn = true;isFlashOn = true;try flashOff(mCamera, param);mTimer.schedule(mTimerTask, 0, mFlashPeriod);switch (int) mFlashPeriod) case 300:mTextView2.setText("当前闪烁速度：快");break;case 600:mTextView2.setText(&quo

16、t;当前闪烁速度：默认");break;case 1000:mTextView2.setText("当前闪烁速度：慢");break; catch (Exception e) Toast.makeText(MainActivity.this, "闪烁未成功！",Toast.LENGTH_LONG).show(););/ 对话框选项的监听对象DialogInterface.OnClickListener dialogListener = new DialogInterface.OnClickListener() public void onCli

17、ck(DialogInterface dialog, int speed) switch (speed) case 0:mFlashPeriod = 500;/ 快mTextView2.setText("当前闪烁速度：快");break;case 1:mFlashPeriod = 700;/ 中（默认）mTextView2.setText("当前闪烁速度：默认");break;case 2:mFlashPeriod = 1000;/ 慢mTextView2.setText("当前闪烁速度：慢");break;public void a

18、boutApp() AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setTitle("关于手电筒").setMessage("名称：ZM_Flashn作者：lssjzmnn时间：2014/4/4").setPositiveButton("我知道了",new DialogInterface.OnClickListener() public void onClick(DialogInterface dialoginterface, int i) /

19、Do nothing).show();public void checkflash() PackageManager pm = this.getPackageManager();FeatureInfo features = pm.getSystemAvailableFeatures();for (FeatureInfo f : features) if (PackageManager.FEATURE_CAMERA_FLASH.equals() isFalshExists = true;return;if (!isFalshExists = true) AlertDialog.Bui

20、lder builder = new AlertDialog.Builder(this);builder.setTitle("提醒").setMessage("没有找到可用的闪光灯设备n确认并退出程序").setPositiveButton("确认",new DialogInterface.OnClickListener() public void onClick(DialogInterface dialoginterface, int i) finish();System.exit(0);).show(); else return;

21、public void flashOff(Camera mCamera, Parameters param) mImageViewbg.setBackground(getResources().getDrawable(R.drawable.flashoff);param.setFlashMode(Parameters.FLASH_MODE_OFF);mCamera.setParameters(param);mCamera.stopPreview();isFlashOn = false;public void flashOn(Camera mCamera, Parameters param) m

22、ImageViewbg.setBackground(getResources().getDrawable(R.drawable.flashon);param.setFlashMode(Parameters.FLASH_MODE_TORCH);/ 只用FLASH_MODE_TORCH/ mImageViewbg.setBackgroundColor(Color.parseColor("#333333");mCamera.setParameters(param);mCamera.startPreview();isFlashOn = true;Overridepublic boo

23、lean onKeyDown(int keyCode, KeyEvent event) switch (keyCode) case KeyEvent.KEYCODE_BACK:if (System.currentTimeMillis() - mExitTime) > 2000) Toast.makeText(this, "再按一次退出手电筒", Toast.LENGTH_SHORT).show();mExitTime = System.currentTimeMillis(); else finish();System.exit(0);return true;defau

24、lt:break;return super.onKeyDown(keyCode, event);Overrideprotected void onDestroy() super.onDestroy();if (mCamera != null) mCamera.release();mCamera = null;mTimer.cancel();Overridepublic void onAccuracyChanged(Sensor arg0, int arg1) Overridepublic void onSensorChanged(SensorEvent event) lux = (int) e

25、vent.values0;mTextView1.setText("光照度Lux= " + lux + "/10000");if (isVibratorable = true)vibrator();public void vibrator() if (lux <= 20)mVibrator.vibrate(new long 300, 500 , -1);public void speed(View v) if (isFlashOn)flashOff(mCamera, param);mdialog.show();public void exit(Vie

26、w v) finish();System.exit(0);public void about(View v) aboutApp();class sosTimerTask extends TimerTask Overridepublic void run() MainActivity.this.runOnUiThread(new Runnable() Overridepublic void run() flashOn(mCamera, param);for (int i = 0; i < 1000; i+) / uselessmi += i;flashOff(mCamera, param)

27、;);HomeKeyExit.javapackage com.lssjzmn.zm_flash;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;class HomeKeyExit extends BroadcastReceiver static final String SYSTEM_REASON = "reason" static final String SYSTEM_HOME_KEY = "homekey

28、"/home key static final String SYSTEM_RECENT_APPS = "recentapps"/long home key Override public void onReceive(Context context, Intent intent) String action = intent.getAction(); if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS) String reason = intent.getStringExtra(SYSTEM_REASON);

29、 if (reason != null) if (reason.equals(SYSTEM_HOME_KEY) / home key System.exit(0); else if (reason.equals(SYSTEM_RECENT_APPS) / long home key 第二部分：界面 activity_main.xml文件<RelativeLayout xmlns:android=" xmlns:tools=" android:layout_width="match_parent" android:layout_height=&quo

30、t;match_parent" tools:context=".MainActivity" android:background="#000000" android:id="+id/about" android:onClick="about"> <ImageView android:id="+id/backgrd" android:layout_width="600dp" android:layout_height="fill_parent&q

31、uot; android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" /> <ImageButton android:id="+id/on" android:layout_width="wrap_content" android:layout_height="wrap_content" and

32、roid:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_marginBottom="62dp" android:layout_marginLeft="42dp" android:src="drawable/on" style="?android:attr/borderlessButtonStyle"/> <ImageButton androi

33、d:id="+id/off" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="+id/on" android:layout_alignParentRight="true" android:layout_marginRight="42dp" android:src="drawable/off" style=

34、"?android:attr/borderlessButtonStyle"/> <ImageButton android:id="+id/exit" android:layout_width="50dp" android:layout_height="50dp" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:src="drawable/

35、exit" android:onClick="exit" style="?android:attr/borderlessButtonStyle"/> <TextView android:id="+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" andro

36、id:textColor="#ffffff"/> <ImageButton android:id="+id/bntsos" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="+id/exit" android:layout_alignParentRight="true" android:src="andr

37、oid:drawable/ic_lock_silent_mode_off" style="?android:attr/borderlessButtonStyle" /> <ImageButton android:id="+id/vibrator" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="+id/bntsos" an

38、droid:layout_alignLeft="+id/off" android:layout_marginLeft="22dp" android:onClick="vibrator" android:src="android:drawable/ic_menu_always_landscape_portrait" style="?android:attr/borderlessButtonStyle"/> <ImageButton android:id="+id/flashs

39、peed" style="?android:attr/borderlessButtonStyle" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="+id/vibrator" android:layout_marginLeft="26dp" android:layout_toRightOf="+id/on" androi

40、d:onClick="speed" android:src="android:drawable/ic_menu_manage" /> <TextView android:id="+id/speeddisp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="+id/off" android:layout_alignPa

41、rentBottom="true" android:textColor="#ffffff" /> <TextView android:id="+id/isvibratoring" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="+id/exit" android:layout_marginBottom="13dp" android:layout_marginLeft="21dp" android:layout_toRightOf="+id/exit" android:textColor="#ffffff&