打开系统图库

来源：互联网发布：测试工具 python 编辑：程序博客网时间：2024/06/06 07:26
public class RegisterActivity extends Activity {    private static final int XIANGCE_CODE = 2;    private static final int PHOTO_CODE = 1;    private static final int PHOTO_REQUEST_CUT = 3;    private ImageView upLoadHead;    private EditText phone,verify,password,passwordCheck;    private File photoFile;    private Dialog photoDialog;    private boolean issaved;    private String picpath;    private Bitmap bit;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_register);        Util.setTnit(this);        init();    }    private void init() {        OnClickListener onClick = new MyOnClickListener();        upLoadHead = (ImageView) findViewById(R.id.uploadhead);        phone = (EditText) findViewById(R.id.phone);        verify = (EditText) findViewById(R.id.verify);        password = (EditText) findViewById(R.id.password);        passwordCheck = (EditText) findViewById(R.id.passwordcheck);        upLoadHead.setOnClickListener(onClick);    }    public void register(View v){    }    private class MyOnClickListener implements OnClickListener{        @Override        public void onClick(View v) {            switch (v.getId()) {            case R.id.uploadhead:                View view = LayoutInflater.from(RegisterActivity.this).inflate(R.layout.uploadphotos_popwindow, null);                TextView photograph = (TextView) view.findViewById(R.id.photograph);                photograph.setOnClickListener(new OnClickListener() {                    @Override                    public void onClick(View v) {                        photoDialog.dismiss();                        photoFile = new File(Environment.getExternalStorageDirectory(),System.currentTimeMillis()+".jpg");                        //调用系统的拍照功能                        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);                        //指定调用相机拍照后照片的存储路径                        intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));                        startActivityForResult(intent, PHOTO_CODE);                    }                });                TextView localphoto = (TextView) view.findViewById(R.id.localphoto);                localphoto.setOnClickListener(new OnClickListener() {                    @Override                    public void onClick(View v) {                        photoDialog.dismiss();                        //打开系统图库                        Intent intent = new Intent(Intent.ACTION_PICK,null);                        intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");                        startActivityForResult(intent, XIANGCE_CODE);                    }                });                photoDialog = new Dialog(RegisterActivity.this,R.style.baseDialog);                photoDialog.setContentView(view);                photoDialog.show();                break;            }        }    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        switch (requestCode) {        case PHOTO_CODE:            startPhotoZoom(Uri.fromFile(photoFile), 200);            break;        case XIANGCE_CODE:            if (data != null)                startPhotoZoom(data.getData(), 200);            break;        case PHOTO_REQUEST_CUT:            if(data != null){                setPicToView(data);            }            break;        }        super.onActivityResult(requestCode, resultCode, data);    }    //将进行剪裁后的图片显示到UI界面上    private void setPicToView(Intent data) {        Bundle bundle = data.getExtras();        if(bundle!=null){            Bitmap photo = bundle.getParcelable("data");            Bitmap bitmap = comp(photo);            if(bitmap== null){                return;            }            upLoadHead.setImageBitmap(toRoundCorner(bitmap,8));            issaved = saveFile(bitmap);        }    }    private boolean saveFile(Bitmap bitmap) {        ByteArrayOutputStream baos = new ByteArrayOutputStream();        picpath = Environment.getExternalStorageDirectory()+File.separator+"goloveUploadheadimage.jpg";        bit.compress(Bitmap.CompressFormat.PNG, 100, baos);        File file = new File(picpath);        try {            if(file.exists()){                file.delete();                file.createNewFile();            }else{                file.createNewFile();            }            FileOutputStream fos = new FileOutputStream(file);            fos.write(baos.toByteArray());            fos.flush();            fos.close();            return true;        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();            picpath = "";            return false;        }    }    //设置上传头像的圆角图片    private Bitmap toRoundCorner(Bitmap bitmap, int pixels) {        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),bitmap.getHeight(),Config.ARGB_8888);        Canvas canvas =new Canvas();        final int color = 0xff424242;        final Paint paint = new Paint();        final Rect rect = new Rect(0,0,bitmap.getWidth(),bitmap.getHeight());        final RectF rectF = new RectF(rect);        final float roundPx = pixels;        paint.setAntiAlias(true);        canvas.drawARGB(0, 0, 0, 0);        paint.setColor(color);        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));        canvas.drawBitmap(bitmap, rect, rect, paint);        return output;    }    //压缩图片(第一次)    private Bitmap comp(Bitmap image) {        if(image == null){            return null;        }        ByteArrayOutputStream baos = new ByteArrayOutputStream();        image.compress(Bitmap.CompressFormat.PNG, 100, baos);        if( baos.toByteArray().length / 1024>200) {//判断如果图片大于200KB,进行压缩避免在生成图片（BitmapFactory.decodeStream）时溢出                baos.reset();//重置baos即清空baos              image.compress(Bitmap.CompressFormat.PNG, 50, baos);//这里压缩50%，把压缩后的数据存放到baos中          }        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());        BitmapFactory.Options newOpts = new BitmapFactory.Options();          //开始读入图片，此时把options.inJustDecodeBounds 设回true了          newOpts.inJustDecodeBounds = true;          Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);          newOpts.inJustDecodeBounds = false;          int w = newOpts.outWidth;          int h = newOpts.outHeight;          //现在主流手机比较多是800*480分辨率，所以高和宽我们设置为          float hh = 1280f;//这里设置高度为800f          float ww = 720f;//这里设置宽度为480f          //缩放比。由于是固定比例缩放，只用高或者宽其中一个数据进行计算即可          int be = 1;//be=1表示不缩放          if (w > h && w > ww) {//如果宽度大的话根据宽度固定大小缩放              be = (int) (newOpts.outWidth / ww);          } else if (w < h && h > hh) {//如果高度高的话根据宽度固定大小缩放              be = (int) (newOpts.outHeight / hh);          }          if (be <= 0)              be = 1;          newOpts.inSampleSize = be;//设置缩放比例          //重新读入图片，注意此时已经把options.inJustDecodeBounds 设回false了          isBm = new ByteArrayInputStream(baos.toByteArray());          bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);          return compressImage(bitmap);//压缩好比例大小后再进行质量压缩      }    //压缩图片(第二次)    private Bitmap compressImage(Bitmap image) {        ByteArrayOutputStream baos = new ByteArrayOutputStream();        image.compress(Bitmap.CompressFormat.PNG, 100, baos);// 质量压缩方法，这里100表示不压缩，把压缩后的数据存放到baos中        int options = 100;        while (baos.toByteArray().length / 1024 > 200) { // 循环判断如果压缩后图片是否大于100kb,大于继续压缩            baos.reset();// 重置baos即清空baos            image.compress(Bitmap.CompressFormat.PNG, options, baos);// 这里压缩options%，把压缩后的数据存放到baos中            options -= 10;// 每次都减少10        }        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());// 把压缩后的数据baos存放到ByteArrayInputStream中        Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, null);// 把ByteArrayInputStream数据生成图片        return bitmap;    }    private void startPhotoZoom(Uri uri, int size) {        //调用系统裁剪图片        Intent intent = new Intent("com.android.camera.action.CROP");        intent.setDataAndType(uri, "image/jpg");        // 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", 1);        // outputX,outputY 是剪裁图片的宽高        intent.putExtra("outputX", size);        intent.putExtra("outputY", size);        intent.putExtra("return-data", true);        startActivityForResult(intent, PHOTO_REQUEST_CUT);    }}
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