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package
com.syl.flashlight;import
android.hardware.Camera;import
android.hardware.Camera.Parameters;import
android.os.Bundle;import
android.app.Activity;import
android.view.Menu;import
android.view.View;import
android.view.View.OnClickListener;import
android.widget.Button;public
class
MainActivity extends
Activity { private
Button open; private
Button close; private
Camera camera; private
boolean
isopen = false; @Override protected
void
onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); open
= (Button)findViewById(R.id.openBT); close
= (Button)findViewById(R.id.closeBT); open.setOnClickListener(new
MyOnClickListener()); close.setOnClickListener(new
MyOnClickListener()); } private
class
MyOnClickListener implements
OnClickListener { @Override public
void
onClick(View v) { //
TODO Auto-generated method stub switch(v.getId())
{ case
R.id.openBT: camera
= Camera.open(); Parameters
params = camera.getParameters(); params.setFlashMode(Parameters.FLASH_MODE_TORCH); camera.setParameters(params); camera.startPreview();
break; case
R.id.closeBT: camera.stopPreview(); camera.release(); break; } } }} |
原文：http://blog.csdn.net/u014311022/article/details/42805357