android自定义拍照

调用系统相机，然后在自己的surfaceview上预览，拍照，不废话，直接上源码

 package com.example.customecamera;

 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;

 import android.app.Activity;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.ImageFormat;
 import android.hardware.Camera;
 import android.hardware.Camera.AutoFocusCallback;
 import android.hardware.Camera.Parameters;
 import android.hardware.Camera.PictureCallback;
 import android.os.Bundle;
 import android.os.Environment;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;

 public class MainActivity extends Activity implements SurfaceHolder.Callback {

     SurfaceView mSurfaceview;
     Camera mCamera;
     SurfaceHolder mHolder;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         mSurfaceview = (SurfaceView) findViewById(R.id.surfaceview);
         mHolder = mSurfaceview.getHolder();
         mHolder.addCallback(this);
     }

     PictureCallback callback =    new PictureCallback() {

         @Override
         public void onPictureTaken(byte[] data, Camera camera) {
             if(data != null) {
                 try {
                     File file = new File(Environment.getExternalStorageDirectory() + "/" + "temp.jpg");
                     FileOutputStream fos = new FileOutputStream(file);
                     fos.write(data, 0, data.length);
                     Intent  intent = new Intent(MainActivity.this , OtherActivity.class);
                     intent.putExtra("pic_path", file.getAbsolutePath());
                     startActivity(intent);
                 } catch (FileNotFoundException e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 } catch (IOException e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 }

             }
         }

     };

     @SuppressWarnings("deprecation")
     public void caputer(View v) {
         Parameters parameters = mCamera.getParameters();
         parameters.setPictureFormat(ImageFormat.JPEG);
         parameters.setPictureSize(400, 600);
         parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
         mCamera.autoFocus(new AutoFocusCallback() {

             @Override
             public void onAutoFocus(boolean success, Camera camera) {
                 mCamera.takePicture(null, null, callback);
             }
         });

     }

     public Camera getCamera() {
         Camera camera = Camera.open();
         return camera;
     }

     public void relaseCamer() {
         if (mCamera != null) {
             mCamera.setPreviewCallback(null);
             mCamera.stopPreview();
             mCamera.release();
             mCamera = null;
         }
     }

     public void startPreview(Camera camera, SurfaceHolder holder) {
         try {
             camera.setPreviewDisplay(holder);
             camera.setDisplayOrientation(90);
             camera.startPreview();
         } catch (IOException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
         }
     }

     @Override
     protected void onPause() {
         super.onPause();
         relaseCamer();
     }

     @Override
     protected void onResume() {
         super.onResume();
         if (mCamera == null) {
             mCamera = getCamera();
             if(mHolder != null) {
                 startPreview(mCamera, mHolder);
             }
         }
     }

     @Override
     public void surfaceCreated(SurfaceHolder holder) {
         startPreview(mCamera, mHolder);
     }

     @Override
     public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
         mCamera.stopPreview();
         startPreview(mCamera, mHolder);
     }

     @Override
     public void surfaceDestroyed(SurfaceHolder holder) {
         relaseCamer();
     }

 }

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context="${relativePackage}.${activityClass}" >

     <SurfaceView
         android:id="@+id/surfaceview"
         android:layout_width="match_parent"
         android:layout_height="400dp" />
      <Button
         android:id="@+id/button1"
         android:layout_below="@id/surfaceview"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_centerHorizontal="true"
         android:onClick="caputer"
         android:text="拍照" />

 </RelativeLayout>

 package com.example.customecamera;

 import android.app.Activity;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.Matrix;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.widget.ImageView;

 public class OtherActivity extends Activity {
     ImageView iv;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.other_activity);
         iv = (ImageView) findViewById(R.id.imageView1);
         String path = getIntent().getStringExtra("pic_path");
         if(!TextUtils.isEmpty(path)) {
             Bitmap bitmap = BitmapFactory.decodeFile(path);
             Matrix matrix = new Matrix();
             matrix.postRotate(90);
             bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false);
             if(bitmap != null) {
                 iv.setImageBitmap(bitmap);
             }
         }
     }

 }

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical" >

     <ImageView
         android:id="@+id/imageView1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
 />

 </LinearLayout>

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.customecamera"
     android:versionCode="1"
     android:versionName="1.0" >

     <uses-sdk
         android:minSdkVersion="8"
         android:targetSdkVersion="21" />

     <application
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <activity android:name=".OtherActivity" >
         </activity>
     </application>
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 <uses-permission android:name="android.permission.CAMERA"/>
 </manifest>