android 上传头像

工具类：

import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class ImageUtils {
    
    public static String savePhoto(Bitmap photoBitmap, String path,
                                   String photoName) {
        String localPath = null;
        if (android.os.Environment.getExternalStorageState().equals(
                android.os.Environment.MEDIA_MOUNTED)) {
            File dir = new File(path);
            if (!dir.exists()) {
                dir.mkdirs();
            }

            File photoFile = new File(path, photoName + ".png");
            FileOutputStream fileOutputStream = null;
            try {
                fileOutputStream = new FileOutputStream(photoFile);
                if (photoBitmap != null) {
                    if (photoBitmap.compress(Bitmap.CompressFormat.PNG, 100,
                            fileOutputStream)) { // 转换完成
                        localPath = photoFile.getPath();
                        fileOutputStream.flush();
                    }
                }
            } catch (FileNotFoundException e) {
                photoFile.delete();
                localPath = null;
                e.printStackTrace();
            } catch (IOException e) {
                photoFile.delete();
                localPath = null;
                e.printStackTrace();
            } finally {
                try {
                    if (fileOutputStream != null) {
                        fileOutputStream.close();
                        fileOutputStream = null;
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return localPath;
    }

    /**
     * 转换图片成圆形
     *
     *  bitmap 传入Bitmap对象
     * 
     */
    public static Bitmap toRoundBitmap(Bitmap bitmap) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        float roundPx;
        float left,top,right,bottom,dst_left,dst_top,dst_right,dst_bottom;
        if (width <= height) {
            roundPx = width / 2;
            top = 0;
            bottom = width;
            left = 0;
            right = width;
            height = width;
            dst_left = 0;
            dst_top = 0;
            dst_right = width;
            dst_bottom = width;
        } else {
            roundPx = height / 2;
            float clip = (width - height) / 2;
            left = clip;
            right = width - clip;
            top = 0;
            bottom = height;
            width = height;
            dst_left = 0;
            dst_top = 0;
            dst_right = height;
            dst_bottom = height;
        }
        Bitmap output = Bitmap.createBitmap(width,
                height, Config.ARGB_8888);
        Canvas canvas = new Canvas(output);
        final int color = 0xff424242;
        final Paint paint = new Paint();
        final Rect src = new Rect((int)left, (int)top, (int)right, (int)bottom);
        final Rect dst = new Rect((int)dst_left, (int)dst_top, (int)dst_right, (int)dst_bottom);
        final RectF rectF = new RectF(dst);
        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, src, dst, paint);
        return output;
    }
}

实现调用：

    protected static final int CHOOSE_PICTURE = 0;
    protected static final int TAKE_PICTURE = 1;
    private static final int CROP_SMALL_PICTURE = 2;
    protected static Uri tempUri;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my_info);
        ButterKnife.bind(this);


        ivTx.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                showChoosePicDialog();
            }
        });
        presenter.showUserInfo();
        fh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        });
    }

    @Override
    void createPresenter() {
        presenter = new MyUserInfoPresenter(this,this);
    }

    /**
     * 显示修改头像的对话框
     */
    protected void showChoosePicDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("设置头像");
        String[] items = {"选择本地照片", "拍照"};
        builder.setNegativeButton("取消", null);
        builder.setItems(items, new DialogInterface.OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which) {
                switch (which) {
                    case CHOOSE_PICTURE: // 选择本地照片
                        Intent openAlbumIntent = new Intent(
                                Intent.ACTION_GET_CONTENT);
                        openAlbumIntent.setType("image/*");
                        startActivityForResult(openAlbumIntent, CHOOSE_PICTURE);
                        break;
                    case TAKE_PICTURE: // 拍照
                        Intent openCameraIntent = new Intent(
                                MediaStore.ACTION_IMAGE_CAPTURE);
                        tempUri = Uri.fromFile(new File(Environment
                                .getExternalStorageDirectory(), "image.jpg"));
                        // 指定照片保存路径（SD卡），image.jpg为一个临时文件，每次拍照后这个图片都会被替换
                        openCameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, tempUri);
                        startActivityForResult(openCameraIntent, TAKE_PICTURE);
                        break;
                }
            }
        });
        builder.create().show();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) { // 如果返回码是可以用的
            switch (requestCode) {
                case TAKE_PICTURE:
                    startPhotoZoom(tempUri); // 开始对图片进行裁剪处理
                    break;
                case CHOOSE_PICTURE:
                    startPhotoZoom(data.getData()); // 开始对图片进行裁剪处理
                    break;
                case CROP_SMALL_PICTURE:
                    if (data != null) {
                        setImageToView(data); // 让刚才选择裁剪得到的图片显示在界面上
                    }
                    break;
            }
        }
    }

    /**
     * 裁剪图片方法实现
     */
    protected void startPhotoZoom(Uri uri) {
        if (uri == null) {
            Log.i("tag", "The uri is not exist.");
        }
        tempUri = uri;
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, "image/*");
        // 设置裁剪
        intent.putExtra("crop", "true");
        // aspectX aspectY 是宽高的比例
        intent.putExtra("aspectX", 1);
        intent.putExtra("aspectY", 1);
        // outputX outputY 是裁剪图片宽高
        intent.putExtra("outputX", 150);
        intent.putExtra("outputY", 150);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, CROP_SMALL_PICTURE);
    }

    /**
     * 保存裁剪之后的图片数据
     *
     */
    protected void setImageToView(Intent data) {
        Bundle extras = data.getExtras();
        if (extras != null) {
            Bitmap photo = extras.getParcelable("data");
            photo = ImageUtils.toRoundBitmap(photo); // 这个时候的图片已经被处理成圆形的了
            ivTx.setImageBitmap(photo);
            setFile(photo);
            uploadPic();
        }
    }

    private void setFile(Bitmap photo) {
        File file=new File("mnt/sdcard/mo.jpg");
        try {
            BufferedOutputStream bout=new BufferedOutputStream(new FileOutputStream(file));
            photo.compress(Bitmap.CompressFormat.JPEG,100,bout);
            bout.flush();
            bout.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    private void uploadPic() {
        File img=new File("mnt/sdcard/mo.jpg");
        System.out.println(img.getName() + img.toString() + "===========================");


        OkHttpClient okHttpClient1 = new OkHttpClient();

        MultipartBody.Builder builder1 = new MultipartBody.Builder();
        builder1.setType(MultipartBody.FORM);
        int uid = Coumens.user.getUid();
        String token = Coumens.user.getToken();
        builder1.addFormDataPart("uid", uid+"");
        builder1.addFormDataPart("token",token);
        builder1.addFormDataPart("file", img.getName(), RequestBody.create(MediaType.parse("application/octet-stream"), img));

        Request request1 = new Request.Builder().post(builder1.build()).url(Constant.MAIN+Constant.TOUXIANG).build();

        okHttpClient1.newCall(request1).enqueue(new Callback() {
            @Override
            public void onFailure(okhttp3.Call call, IOException e) {
                System.out.println("++++++++++++Fileure++++++++++++++");
            }

            @Override
            public void onResponse(okhttp3.Call call, Response response) throws IOException {

                if (response.isSuccessful()) {
                    System.out.println("++++++++++++Success++++++++++++++");
                    System.out.println("fileuploadsuccess：" + response.body().string());
                }
            }
        });
    }

    @Override
    public void showUserInfo(MyBean mb) {
        String tx = mb.getData().getIcon() + "";
        Log.i("=========tx", "showUserInfo: "+tx);

        ImageLoader.getInstance().displayImage(tx,ivTx);
        tvName.setText(mb.getData().getMobile());
    }

}