android——本地相机上传头像

骑猪看日落 2022-06-03 06:37 163阅读 0赞

**添加依赖：**

compile 'com.facebook.fresco:fresco:0.12.0'
    compile 'org.greenrobot:eventbus:3.1.1'
    compile 'io.reactivex.rxjava2:rxjava:2.1.7'
    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
    
    compile 'com.squareup.retrofit2:retrofit:2.3.0'
    compile 'com.squareup.retrofit2:converter-gson:2.3.0'
    compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'

添加权限：

<uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>

http

ApiService

public interface ApiService {
    // https://www.zhaoapi.cn/file/upload @Multipart @POST("upload")
        Flowable<MessageBean> getMusicList(@Query("uid") String uid,  @Part MultipartBody.Part file);
    
    }

RetrofitUtils

public class RetrofitUtils {
        private static volatile RetrofitUtils instance;
        private Retrofit retrofit;
        private ApiService apiService;
    
    
        private RetrofitUtils(){
            OkHttpClient client = new OkHttpClient();
            retrofit = new Retrofit.Builder()
                    .client(client)
                    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                    .addConverterFactory(GsonConverterFactory.create())
                    .baseUrl("http://120.27.23.105/file/")
                    .build();
            apiService = retrofit.create(ApiService.class);
        }
        public static RetrofitUtils getInstance(){
            if (instance==null){
                synchronized (RetrofitUtils.class){
                    if (null==instance){
                        instance = new RetrofitUtils();
    
                    }
                }
            }
            return instance;
    
        }
        public ApiService getService(){
            return apiService;
        }
    
    }

model

NewModel

public class NewModel {
        private NewsPresenter presenter;
    
        public NewModel(NewsPresenter presenter) {
            this.presenter = presenter;
        }
        public void getData(String uid , MultipartBody.Part file){
            Flowable<MessageBean> flowable = RetrofitUtils.getInstance().getService().getMusicList(uid, file);
            presenter.getNews(flowable);
        }
    }

presenter

BasePresenter

public interface BasePresenter{
        void getData(String uid, MultipartBody.Part file);
    }

NewsPresenter

public class NewsPresenter implements BasePresenter{
        private NewsView inv;
        private DisposableSubscriber<MessageBean> disposableSubscriber;
    
        public void attachView(NewsView inv){
            this.inv = inv;
        }
    
        public void detachView(){
            // 当Activity销毁的时候取消订阅时间，防止内存泄漏 if (disposableSubscriber != null) {
                if (disposableSubscriber.isDisposed()) {
                    disposableSubscriber.dispose();
                }
            }
            if (inv!=null){
                inv = null;
            }
        }
        @Override public void getData(String uid, MultipartBody.Part file) {
            NewModel newModel = new NewModel(this);
            newModel.getData(uid,file);
        }
        public void getNews(Flowable<MessageBean> flowable) {
            disposableSubscriber = flowable.subscribeOn(Schedulers.io())
                    .observeOn(AndroidSchedulers.mainThread())
                    .subscribeWith(new DisposableSubscriber<MessageBean>() {
                        @Override public void onNext(MessageBean messageBean) {
                            if(messageBean!=null){
                                inv.onSuccess(messageBean);
    
                            }
                        }
    
                        @Override public void onError(Throwable t) {
                            Log.e("zxz",t.getMessage());
    
                        }
    
                        @Override public void onComplete() {
    
                        }
                    });
        }
    
    
    }

view

NewsView

public interface NewsView {
        void onSuccess(MessageBean messageBean);
    }

utils

ImageUtils

public class ImageUtils {
    
        /** * Save image to the SD card * * @param photoBitmap * @param photoName * @param path */ 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 * * @param bitmap 传入Bitmap对象 * @return */ 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, Bitmap.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(PorterDuff.Mode.SRC_IN));
            canvas.drawBitmap(bitmap, src, dst, paint);
            return output;
        }
    }

MainActivity

public class MainActivity extends AppCompatActivity implements NewsView {
    
        @BindView(R.id.my_image_view)
        SimpleDraweeView mMyImageView;
        @BindView(R.id.btn_xiangji)
        Button mBtnXiangji;
        @BindView(R.id.btn_xiangce)
        Button mBtnXiangce;
        @BindView(R.id.btn_cancel)
        Button mBtnCancel;
        private File tempFile;
        private static final String PHOTO_FILE_NAME = "temp_photo.jpg";
        private static final int PHOTO_REQUEST_CAREMA = 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 NewsPresenter presenter;
    
        @Override protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            ButterKnife.bind(this);
            presenter = new NewsPresenter();
            presenter.attachView(this);
        }
    
        @OnClick({
      R.id.my_image_view, R.id.btn_xiangji, R.id.btn_xiangce, R.id.btn_cancel})
        public void onClick(View v) {
            switch (v.getId()) {
                default:
                    break;
                case R.id.my_image_view:
                    break;
                case R.id.btn_xiangji:
                    // 激活相机 Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
                    // 判断存储卡是否可以用，可用进行存储 if (hasSdcard()) {
                        tempFile = new File(Environment.getExternalStorageDirectory(), PHOTO_FILE_NAME);
                        // 从文件中创建uri Uri uri = Uri.fromFile(tempFile);
                        intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
                    }
                    // 开启一个带有返回值的Activity，请求码为PHOTO_REQUEST_CAREMA startActivityForResult(intent, PHOTO_REQUEST_CAREMA);
                    break;
                case R.id.btn_xiangce:
                    // 激活系统图库，选择一张图片 Intent intent1 = new Intent(Intent.ACTION_PICK);
                    intent1.setType("image/*");
                    // 开启一个带有返回值的Activity，请求码为PHOTO_REQUEST_GALLERY startActivityForResult(intent1, PHOTO_REQUEST_GALLERY);
                    break;
                case R.id.btn_cancel:
                    break;
            }
        }
        /* * 判断sdcard是否被挂载 */ private boolean hasSdcard() {
            //判断ＳＤ卡手否是安装好的　　　media_mounted if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
                return true;
            } else {
                return false;
            }
        }
        /* * 剪切图片 */ private void crop(Uri uri) {
            // 裁剪图片意图 Intent intent = new Intent("com.android.camera.action.CROP");
            intent.setDataAndType(uri, "image/*");
            intent.putExtra("crop", "true");
            // 裁剪框的比例，1：1 intent.putExtra("aspectX", 1);
            intent.putExtra("aspectY", 1);
            // 裁剪后输出图片的尺寸大小 intent.putExtra("outputX", 250);
            intent.putExtra("outputY", 250);
    
            intent.putExtra("outputFormat", "JPEG");// 图片格式 intent.putExtra("noFaceDetection", true);// 取消人脸识别 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);
        }
    
        @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            if (requestCode == PHOTO_REQUEST_GALLERY) {
                // 从相册返回的数据 if (data != null) {
                    // 得到图片的全路径 Uri uri = data.getData();
                    crop(uri);
                }
            } else if (requestCode == PHOTO_REQUEST_CAREMA) {
                // 从相机返回的数据 if (hasSdcard()) {
                    crop(Uri.fromFile(tempFile));
                } else {
                    Toast.makeText(MainActivity.this, "未找到存储卡，无法存储照片！", Toast.LENGTH_SHORT).show();
                }
            } else if (requestCode == PHOTO_REQUEST_CUT) {
                // 从剪切图片返回的数据 if (data != null) {
                    Bitmap bitmap = data.getParcelableExtra("data");
                    /** * 获得图片 */ mMyImageView.setImageBitmap(bitmap);
                    setImgByStr( bitmap);
                }
                try {
                    // 将临时文件删除 tempFile.delete();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            super.onActivityResult(requestCode, resultCode, data);
        }
    
    
        /** * 上传头像 */ public void setImgByStr(Bitmap bitmap) {
            if(bitmap != null){
                // 拿着imagePath上传了 // ... }
            String imagePath = ImageUtils.savePhoto(bitmap, Environment .getExternalStorageDirectory().getAbsolutePath(), String .valueOf(System.currentTimeMillis()));
            Log.d("zxz","imagePath:"+imagePath);
            if(imagePath!=null){
                File file=new File(imagePath);//将要保存图片的路径 try {
                    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
                    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bos);
                    bos.flush();
                    bos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                RequestBody photoRequestBody = RequestBody.create(MediaType.parse("image/png"), file);
                MultipartBody.Part photo = MultipartBody.Part.createFormData("file", file.getName(), photoRequestBody);
                presenter.getData("71",photo);
            }
    
        }
    
        @Override protected void onResume() {
            super.onResume();
    
        }
    
        @Override public void onSuccess(MessageBean messageBean) {
            String msg = messageBean.getMsg();
            Log.e("zxz",msg);
        }
    }

activity\_main.xml

<?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:fresco="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
    
        android:layout_height="match_parent"
        tools:context="com.example.bwie.com.songdechuan1220.MainActivity">
    
        <com.facebook.drawee.view.SimpleDraweeView android:id="@+id/my_image_view"
            android:layout_width="130dp"
            android:layout_height="130dp"
            fresco:placeholderImage="@mipmap/ic_launcher" />
        <LinearLayout android:layout_alignParentBottom="true"
            android:layout_width="match_parent"
            android:orientation="vertical"
            android:layout_height="wrap_content">
            <Button android:id="@+id/btn_xiangji"
                android:text="相机"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button android:id="@+id/btn_xiangce"
    
                android:text="相册"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <Button android:id="@+id/btn_cancel"
    
                android:text="取消"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
        </LinearLayout>
    </RelativeLayout>