Android 调用相册或相机选择图片

    /**     * 裁剪     *     * @param     */    protected void cropPic(File file) {        if (!file.exists()) {            Toast.makeText(this, "图片不存在", Toast.LENGTH_LONG).show();            return;        }        Intent intent = new Intent();        intent.setAction("com.android.camera.action.CROP");        intent.setDataAndType(Uri.fromFile(file), "image/*");// mUri是已经选择的图片Uri        intent.putExtra("crop", "true");        intent.putExtra("aspectX", 1);// 裁剪框比例        intent.putExtra("aspectY", 1);        intent.putExtra("outputX", 150);// 输出图片大小        intent.putExtra("outputY", 150);        intent.putExtra("return-data", true);        startActivityForResult(intent, REQUEST_CODE_CROP);    }    protected void cropPic(Uri uri) {//        fileList.add(new File(new URI(uri.toString())));        Intent intent = new Intent();        intent.setAction("com.android.camera.action.CROP");        intent.setDataAndType(uri, "image/*");// mUri是已经选择的图片Uri        intent.putExtra("crop", "true");        intent.putExtra("aspectX", 1);// 裁剪框比例        intent.putExtra("aspectY", 1);        intent.putExtra("outputX", 150);// 输出图片大小        intent.putExtra("outputY", 150);        intent.putExtra("return-data", true);        startActivityForResult(intent, REQUEST_CODE_CROP);    }    /**     * 从相册中获取图片     */    protected void getImageFromAlbum() {        Intent intent = new Intent(Intent.ACTION_PICK);        intent.setType("image/*");// 相片类型        startActivityForResult(intent, REQUEST_CODE_PICK_IMAGE);    }    /**     * 从相机中获取图片     */    protected void getImageFromCamera() {        String state = Environment.getExternalStorageState();        if (state.equals(Environment.MEDIA_MOUNTED)) {// 如果挂载成功。            Intent getImageByCamera = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);            // 图片路径？照相后图片要存储的位置            picPath = getPicName();            // 指定输出路径//            file_image = new File(picPath);            photouri = Uri.fromFile(new File(picPath));            getImageByCamera.putExtra(MediaStore.EXTRA_OUTPUT, photouri);            getImageByCamera.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);            startActivityForResult(getImageByCamera, REQUEST_CODE_CAPTURE_CAMEIA);        } else {            Toast.makeText(this, "请确认已经插入SD卡", Toast.LENGTH_LONG).show();        }    }    // 得到图片名称    public String getPicName() {        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {            Date date = new Date();            return Environment.getExternalStorageDirectory().toString() + "/" + date.getTime() + ".png";        }        return null;    }    private boolean boolean_delete;    @Override    public void onActivityResult(final int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        // 判断请求码        switch (requestCode) {            case REQUEST_CODE_PICK_IMAGE:// 从相册中获取数据后返回                boolean_delete = false;                if (data == null) {                    Toast.makeText(this, "未选择图片", Toast.LENGTH_SHORT).show();                    return;                }                uri = data.getData();//                Log.d("TAG", "相册中返回"+uri);                // 进行裁剪                cropPic(uri);                break;            case REQUEST_CODE_CAPTURE_CAMEIA:// 从相机中获取后返回                boolean_delete = true;//                myMsgUserImage.setImageURI(photouri);                cropPic(new File(picPath));                break;            case REQUEST_CODE_CROP:// 裁剪完成后的返回                if (boolean_delete) {                    picutil.deletePic(picPath);// 裁剪完成后删除原图                }                // 拿到剪切数据                Bitmap bmap = data.getParcelableExtra("data");// 裁剪过后的bitmap                // 压缩                yasuo_bitmap = picutil.compressImage(bmap);                if (boolean_delete) {                    // 展示到了图片上//                    mainDrawerUserImage.setImageURI(photouri);                    Glide.with(this).load(photouri).transform(new GlideCircleTransform(this)).into(mainDrawerUserImage);                } else {                    mainDrawerUserImage.setImageURI(uri);//                    Glide.with(this).load(uri).transform(new GlideCircleTransform(this)).into(mainDrawerUserImage);                }                sendMultipart();                break;            case 10001:                break;            default:                break;        }    }//    }    boolean saveBitmap2file(Bitmap bmp) {        Bitmap.CompressFormat format = Bitmap.CompressFormat.JPEG;        int quality = 100;        OutputStream stream = null;        try {            yasuo_picname = getPicName();            stream = new FileOutputStream(yasuo_picname);        } catch (FileNotFoundException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return bmp.compress(format, quality, stream);    }

获得图片后上传到服务器

 /**     * 上传文件及参数     */    private void sendMultipart() {        File sdcache = getExternalCacheDir();        int cacheSize = 1 * 1024 * 1024;        //设置超时时间及缓存        OkHttpClient.Builder builder = new OkHttpClient.Builder()                .connectTimeout(15, TimeUnit.SECONDS)                .writeTimeout(20, TimeUnit.SECONDS)                .readTimeout(20, TimeUnit.SECONDS)                .cache(new Cache(sdcache.getAbsoluteFile(), cacheSize));        OkHttpClient mOkHttpClient = builder.build();        MultipartBody.Builder mbody = new MultipartBody.Builder().setType(MultipartBody.FORM);        final String user_id = (String) SpUtil.get(this, "user_id", "");        if (user_id.length() < 1) {            Toast.makeText(this, "无用户登录，无法提交到服务器", Toast.LENGTH_SHORT).show();            return;        }        mbody.addFormDataPart("user_id", user_id);        int i = 0;        saveBitmap2file(yasuo_bitmap);        if (boolean_delete) {            mbody.addFormDataPart("avatar[]", picPath, RequestBody.create(media_type_png, new File(yasuo_picname)));        } else {            String[] imgs = {MediaStore.Images.Media.DATA};//将图片URI转换成存储路径            Cursor cursor = this.managedQuery(uri, imgs, null, null, null);            int index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);            cursor.moveToFirst();            String img_url = cursor.getString(index);            mbody.addFormDataPart("avatar[]", img_url, RequestBody.create(media_type_png, new File(yasuo_picname)));        }        RequestBody requestBody = mbody.build();        Request request = new Request.Builder()                .url("自己的url")//url                .post(requestBody)                .build();//        dialog_net.show();        mOkHttpClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                Log.d("tag", e.toString());            }            @Override            public void onResponse(Call call, Response response) throws IOException {                try {                    final JSONObject obj = new JSONObject(response.body().string());

//上传成功后进行的处理                    runOnUiThread(new Runnable() {                        @Override                        public void run() {                            try {                                Toast.makeText(MainActivity.this, obj.get("msg").toString(), Toast.LENGTH_SHORT).show();                                                         } catch (JSONException e) {                                e.printStackTrace();                            }                        }                    });                } catch (JSONException e) {                    e.printStackTrace();                }            }        });    }

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