Android中拍照和從相冊選擇圖片，並剪裁（二）

從系統相冊中選擇照片或則調用系統相機。大部分的項目都會用到，我進行了一下封裝，仿ios的效果。

效果如下：

1、Camera的基類

package com.zhang.test.picture;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.MediaStore;

import java.io.File;

/**
 * Camera的基類
 * @author zhang
 * @time 2016/7/13  15:03
 */
public class CameraBase {


    //拍照裁剪的Code
    public static final int REQUEST_TAKE_PHOTO_CODE = 1001;
    //調用系統圖庫裁剪Code
    public static final int REQUEST_TAKE_PICTRUE_CODE = 1002;
    //裁剪的Code
    public static final int REQUEST_TAKE_CROP_CODE = 1003;
    //截取圖片的高度
    public static final int REQUEST_HEIGHT = 100;
    //截取圖片的寬度
    public static final int REQUEST_WIDTH = 200;
    //用來存儲照片的URL
    private Uri photoURL;
    //調用照片的Activity
    private Activity activity;

    //回調函數
    private CameraResult02 cameraResult;

    public CameraBase(CameraResult02 cameraResult, Activity activity) {
        this.cameraResult = cameraResult;
        this.activity = activity;
    }

    //調用系統照相機，對Intent參數進行封裝
    protected Intent startTakePhoto(Uri photoURL) {
        this.photoURL = photoURL;
        Intent intent = new Intent();
        //設置Action為拍照
        intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
        //將拍取的照片保存到指定URI
        intent.putExtra(MediaStore.EXTRA_OUTPUT, photoURL);
        return intent;
    }


    //調用系統圖庫,對Intent參數進行封裝
    protected Intent startTakePicture(Uri photoURL) {
        this.photoURL = photoURL;
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_PICK);
        intent.setType("image/*");//從所有圖片中進行選擇

        return intent;
    }


    //調用系統裁剪圖片，對Intent參數進行封裝
    protected Intent takeCropPicture(Uri photoURL, int with, int height) {
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(photoURL, "image/*");
        intent.putExtra("crop", "true");
        // aspectX aspectY 是寬高的比例
        intent.putExtra("aspectX", 1);
        intent.putExtra("aspectY", 1);
        // outputX,outputY 是剪裁圖片的寬高
        intent.putExtra("outputX", with);
        intent.putExtra("outputY", height);
        intent.putExtra("scale", true);
        intent.putExtra("scaleUpIfNeeded", true);//黑邊
        intent.putExtra("return-data", true);

        return intent;
    }


    //拍照並裁剪
    public void getPhotoCameraCrop(Uri uri) {
        Intent intent = startTakePhoto(uri);
        activity.startActivityForResult(intent, REQUEST_TAKE_PHOTO_CODE);
    }


    //獲取系統相冊後裁剪
    public void getPhotoAlbumCrop(Uri uri) {
        activity.startActivityForResult(startTakePicture(uri), REQUEST_TAKE_PICTRUE_CODE);
    }


    //處理onActivityResult
    public void onResult(int requestCode, int resultCode, Intent intent) {
        if (resultCode == Activity.RESULT_OK) {
            switch (requestCode) {

                //選擇系統圖庫.裁剪
                case REQUEST_TAKE_PICTRUE_CODE:
                    photoURL = intent.getData();
//                    Log.i("info", "photoURL: 111" + photoURL);
                    activity.startActivityForResult(takeCropPicture(photoURL, REQUEST_HEIGHT,
                            REQUEST_WIDTH), REQUEST_TAKE_CROP_CODE);
                    break;

                //調用相機,裁剪
                case REQUEST_TAKE_PHOTO_CODE:
//                    Log.i("info", "onResult: 111" + REQUEST_TAKE_PHOTO_CODE);
                    activity.startActivityForResult(takeCropPicture(Uri.fromFile(new File
                                    (photoURL.getPath())), REQUEST_HEIGHT, REQUEST_WIDTH),
                            REQUEST_TAKE_CROP_CODE);
                    break;

                //裁剪之後的回調
                case REQUEST_TAKE_CROP_CODE:
//                    Log.i("info", "onResult: 222" + REQUEST_TAKE_CROP_CODE);
                    Bitmap bitmap = intent.getParcelableExtra("data");
                    if (bitmap != null) {
                        cameraResult.onSuccess(bitmap);
                    } else {
                        cameraResult.onFail("圖片為空");
                    }

                    break;
                default:
                    break;
            }
        }
    }

}

2、對圖片操作的代理類

package com.zhang.test.picture;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 對圖片操作的代理
 *
 * @author zhang
 * @time 2016/7/13 14:59
 */
public class CameraImg {

    //相機核心類
    private CameraBase CameraBase;

    // 創建一個以當前時間為名稱的文件
    File tempFile = new File(Environment.getExternalStorageDirectory()+"/DCIM/Camera", getPhotoFileName());

    public CameraImg(CameraResult02 cameraResult, Activity activity) {
        CameraBase = new CameraBase(cameraResult, activity);
    }


    //拍照並截圖
    public void getPhotoCameraCrop() {
//
        //將File對象轉換為Uri並啟動照相程序
        Uri uri = Uri.fromFile(tempFile);
//        Log.i("info", "getPhotoCamera" + tempFile);
        CameraBase.getPhotoCameraCrop(uri);
    }


    //選擇照片，並截圖
    public void getPhotoAlbumCrop() {

        Uri uri = Uri.fromFile(tempFile);
//        Log.i("info", "getPhotoAlbumCrop>>>>>>" +tempFile);
        CameraBase.getPhotoAlbumCrop(uri);
    }


    //接受ActivityResult
    public void onResult(int requestCode, int resultCode, Intent data) {
        CameraBase.onResult(requestCode, resultCode, data);
    }


    // 使用系統當前日期加以調整作為照片的名稱
    private String getPhotoFileName() {
        Date date = new Date(System.currentTimeMillis());
        SimpleDateFormat dateFormat = new SimpleDateFormat("'IMG'_yyyyMMdd_HHmmss");
        return dateFormat.format(date) + ".jpg";
    }
}

3、接口類

package com.zhang.test.picture;

import android.graphics.Bitmap;

/**
 * zhang
 */
public interface CameraResult02 {

    //失敗並返回message
    public abstract void onFail(String message) ;
    //成功並返回Bitmap
    public abstract void onSuccess(Bitmap bitmap);

}

package com.zhang.test.picture;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.PopupWindow;

import com.zhang.test.R;


/**
 * 模仿蘋果拍照的效果
 *
 * @author zhang
 * @time 2016/7/13  14:50
 */
public class PhotoActivity extends Activity implements CameraResult02 {

    private CameraImg cameraImg;
    private PopupWindow popupWindow;
    private Button popCameraBt, popPhotorBt, popCancelBt;

    private Button btn;//
    private ImageView img;
    private View mainView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.photo);
        cameraImg = new CameraImg(this, PhotoActivity.this);
        initPopWindow();
        initView();
        setPopListen();
    }

    private void initView() {
        mainView = findViewById(R.id.main);
        btn = (Button) findViewById(R.id.photo_btn);
        img = (ImageView) findViewById(R.id.photo_img);

        btn.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                //第一個參數是要將PopupWindow放到的View，第二個參數是位置，第三第四是偏移值
                popupWindow.showAtLocation(mainView, Gravity.BOTTOM, 0, 0);

            }
        });

    }

    public void initPopWindow() {
        View popView = getLayoutInflater().inflate(R.layout.popwindow, null);
        //
        popupWindow = new PopupWindow(popView, LayoutParams.MATCH_PARENT,
                LayoutParams.WRAP_CONTENT);
        popupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
        popupWindow.setAnimationStyle(R.style.popAnimStyle);
        // popupWindow.setFocusable(false);
        popCameraBt = (Button) popView.findViewById(R.id.tv01_pop);
        popPhotorBt = (Button) popView.findViewById(R.id.tv02_pop);
        popCancelBt = (Button) popView.findViewById(R.id.tv03_pop);
    }


    public void setPopListen() {

        //拍照截圖
        popCameraBt.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                //關閉popupWindow
                popupWindow.dismiss();
                //拍照
                cameraImg.getPhotoCameraCrop();

            }
        });

        //圖庫選擇
        popPhotorBt.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                popupWindow.dismiss();
                cameraImg.getPhotoAlbumCrop();
            }
        });
        //取消
        popCancelBt.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                popupWindow.dismiss();
            }
        });
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        cameraImg.onResult(requestCode, resultCode, data);
    }

    @Override
    public void onFail(String message) {
        Log.i("info", "onFail----" + message);
    }

    @Override
    public void onSuccess(Bitmap bitmap) {
        Log.i("info", "Bitmap----" + bitmap);
        img.setImageBitmap(bitmap);
        popupWindow.dismiss();
    }
}