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>