一个选择照片的基类

/** * Created by pc on 2016/5/10. * 选择照片的基类 */public class photoActivity extends BaseActivity implements View.OnClickListener {

    private static final int PHOTO_REQUEST_TAKEPHOTO = 1;// 拍照    private static final int PHOTO_REQUEST_GALLERY = 2;// 从相册中选择    private static final int PHOTO_REQUEST_CUT = 3;// 结果    private File tempFile;    private String saveBmpToSd_path;    /**     * 截屏比例     */    private int  scale = 1;

    /**     * 储存图片路径     */    private HashMap<String,String> pathMap = new HashMap<>();    private ImageView  iv_photo;    private String  mapKey;

    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);

        initDialog();    }

    private Dialog dialog;    private void initDialog(){        dialog = new Dialog(this, R.style.dialog);        dialog.setContentView(R.layout.dialog_layout);        Window dialogWindow = dialog.getWindow();        dialog.setCanceledOnTouchOutside(true);// 设置点击屏幕Dialog消失        dialogWindow.setLayout(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);        WindowManager.LayoutParams lp = dialogWindow.getAttributes();        dialogWindow.setGravity(Gravity.BOTTOM);        dialogWindow.setWindowAnimations(R.style.dialogWindowAnim); // 设置窗口弹出动画        TextView tv_photo = (TextView) dialog.findViewById(R.id.tv_photo);        tv_photo.setOnClickListener(this);        TextView  tv_camera = (TextView) dialog.findViewById(R.id.tv_camera);        tv_camera.setOnClickListener(this);        TextView  tv_close = (TextView) dialog.findViewById(R.id.tv_close);        tv_close.setOnClickListener(this);

        String DIR =    Environment.getExternalStorageDirectory()+"/DCIM/Camera";        File dirPath = new File(DIR);        if (!dirPath.exists()) {            dirPath.mkdirs();        }//        String name = getPhotoFileName();//        photoPath =  DIR+"/"+name;

        tempFile = new File(Environment.getExternalStorageDirectory()+"/DCIM/Camera",getPhotoFileName());    }

    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.tv_photo:                intent = new Intent(Intent.ACTION_PICK, null);                intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"image/*");                startActivityForResult(intent, PHOTO_REQUEST_GALLERY);                dialog.dismiss();                break;            case R.id.tv_camera:                intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);// 打开相机                intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(tempFile));                startActivityForResult(intent, PHOTO_REQUEST_TAKEPHOTO);///mnt/sdcard/DCIM//IMG_20151127_143744.jpg                dialog.dismiss();                break;            case R.id.tv_close:                dialog.dismiss();                break;

            default:                break;        }    }

    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        Log.e("onActivityResult==>", "" + "running");        switch (requestCode) {            case PHOTO_REQUEST_TAKEPHOTO:                startPhotoZoom(Uri.fromFile(tempFile), 150);                break;

            case PHOTO_REQUEST_GALLERY:                if (data != null)                    startPhotoZoom(data.getData(), 150);                break;            case PHOTO_REQUEST_CUT:                if (data != null)                    setPicToView(data);                break;            default:                break;        }    }

    private void startPhotoZoom(Uri uri, int size) {        Intent intent = new Intent("com.android.camera.action.CROP");        intent.setDataAndType(uri, "image/*");        // crop为true是设置在开启的intent中设置显示的view可以剪裁        intent.putExtra("crop", "true");

        // aspectX aspectY 是宽高的比例        intent.putExtra("aspectX", 1);        intent.putExtra("aspectY", scale);

        intent.putExtra("noFaceDetection", true);// 取消人脸识别(直接把截取框放到脸部)        // outputX,outputY 是剪裁图片的宽高        intent.putExtra("outputX", size);        intent.putExtra("outputY", size);        intent.putExtra("return-data", true);        // 开启一个带有返回值的Activity，请求码为PHOTO_REQUEST_CUT        startActivityForResult(intent, PHOTO_REQUEST_CUT);    }

    //将进行剪裁后的图片显示到UI界面上    private void setPicToView(Intent picdata) {        Bundle bundle = picdata.getExtras();        if (bundle != null) {            Bitmap photo = bundle.getParcelable("data");            if(photo == null){                String url = bundle.getString("croppedpath");                if(ImageHelper.Exist(url)){                    photo = ImageHelper.getimage(url, 100);                }

            }            if(photo != null){

//                imgs[index].setImageBitmap(photo);//                tvphotos[index].setVisibility(View.GONE);

                //压缩图片                Bitmap sbitmap = ImageHelper.compressImage(photo, 50);//          Bitmap sbitmap = BitmapUtil.comp(photo);                iv_photo.setImageBitmap(sbitmap);//          //保存图片                String filename = getPhotoFileName();                saveBmpToSd_path = ImageHelper.saveBmpToSd(sbitmap, filename , 100);                if(ImageHelper.Exist(saveBmpToSd_path)){                    pathMap.put(mapKey, saveBmpToSd_path);                    photo.recycle();                    photo = null ;//                    sbitmap.recycle();//                    sbitmap = null ;                }            }else {                ShowToase.showToast(this, "图片截取异常");            }        }    }

    // 使用系统当前日期加以调整作为照片的名称    private String getPhotoFileName() {        Date date = new Date(System.currentTimeMillis());        SimpleDateFormat dateFormat = new SimpleDateFormat("‘IMG‘_yyyyMMdd_HHmmss");        return dateFormat.format(date) + ".jpg";    }

    /**     * 上传是调用     * @return     */  protected  HashMap<String,String> getMap(){    return    pathMap ;  };

    /**     * 显示     * @param img     * @param key 服务端要求的key字段     */    protected  void   showDialog(ImageView img ,String  key){        iv_photo= img;        mapKey= key;        dialog.show();;    }

}

<!--普通dialog--><style name="dialog">    <item name="android:windowFrame">@null</item>    <!--Dialog的windowFrame框为无 -->    <item name="android:windowIsFloating">true</item>    <!--是否浮现在activity之上 -->    <item name="android:windowIsTranslucent">true</item>    <!-- 是否半透明 -->    <item name="android:windowNoTitle">true</item>    <item name="android:backgroundDimEnabled">true</item>    <item name="android:windowBackground">@android:color/transparent</item></style>

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/layout_root"    android:layout_width="match_parent"    android:layout_height="match_parent"   >

    <LinearLayout        android:id="@+id/ll_dialog"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:orientation="vertical"        android:gravity="center"        android:background="@color/blue">        <TextView            android:id="@+id/tv_photo"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:text="相册"            android:textColor="@color/white"            android:padding="15dip"            android:gravity="center"/>        <View            android:layout_width="fill_parent"            android:layout_height="0.5dip"            android:background="#c2c2c2"/>        <TextView            android:id="@+id/tv_camera"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:text="拍照"            android:textColor="@color/white"            android:padding="15dip"            android:gravity="center"/>        <View            android:layout_width="fill_parent"            android:layout_height="0.5dip"            android:background="#c2c2c2"/>        <TextView            android:id="@+id/tv_close"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:text="取消"            android:textColor="@color/white"            android:padding="15dip"            android:gravity="center"/>    </LinearLayout>

</RelativeLayout>