<span style="font-size:14px;">package com.jwzhangjie; import com.jwzhangjie.test.R; import android.app.Activity; import android.hardware.Camera; import android.hardware.Camera.Parameters; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; /** * 手电筒 * @author jwzhangjie * */ public class CameraLight extends Activity{ private Button openLight; private boolean status = false; private Camera camera; private Parameters parameters; private CameraLight instance; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.cameralight); instance = this; camera = Camera.open(); openLight = (Button)findViewById(R.id.openLight); openLight.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (!status) { openLight.setText("关闭"); status = true; new Thread(new TurnOnLight()).start(); }else { status = false; openLight.setText("打开"); instance.parameters.setFlashMode("off"); instance.camera.setParameters(instance.parameters); } } }); } private class TurnOnLight implements Runnable{ @Override public void run() { instance.parameters = instance.camera.getParameters(); instance.parameters.setFlashMode("torch"); instance.camera.setParameters(instance.parameters); } } } </span>
时间: 2024-10-07 13:03:26