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   源码介绍

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自定义camera进行拍照

package com.example.cameratest;

import java.io.File;
import java.util.UUID;

import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Environment;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Menu;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {

	private Button btn1;
	private SurfaceView surfaceView;
	private CameraHelper cameraHelper;// 相机类

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		btn1 = (Button) findViewById(R.id.btn1);
		surfaceView = (SurfaceView) findViewById(R.id.surfaceview);

		String fileName =System.currentTimeMillis()   ".jpg";
		String filePath = Environment.getExternalStorageDirectory()
				.getPath()   File.separator
				  "SMTPDB/Images"   File.separator   fileName;
		
		cameraHelper = new CameraHelper(surfaceView, getApplicationContext(),filePath);

		btn1.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				if (cameraHelper != null) {
					//cameraHelper.setStartPhone(true);
					//cameraHelper.setOrientation(getPhoneOrientation());
					cameraHelper.CameraPicture();
				}
			}
		});

	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		// TODO Auto-generated method stub
		super.onConfigurationChanged(newConfig);
		int test = 0;
		Log.i("Test", "onConfigurationChanged");
	}

	/**
	 * 确认手机是横屏还是竖屏：1竖屏，2横屏
	 * 
	 * @return
	 */
	public int getPhoneOrientation() {

		int result = 0;

		int t = getRequestedOrientation();
		if (t == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) { // 横屏
			result = 2;
		} else if (t == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) { // 竖屏
			result = 1;
		}

		int t1 = this.getResources().getConfiguration().orientation;
		if (t1 == Configuration.ORIENTATION_LANDSCAPE) {
			// 横屏
			result = 2;
		} else if (t1 == Configuration.ORIENTATION_PORTRAIT) {
			// 竖屏
			result = 1;
		}

		DisplayMetrics dm = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(dm);
		int width = dm.widthPixels;
		int height = dm.heightPixels;
		if (width > height) {
			// 横屏
			result = 2;
		} else {
			// 竖屏
			result = 1;
		}

		return result;
	}

}