Kotlin高仿微信-第21篇-个人信息-修改头像

实现代码：

// 打开相册
ImageSelector.builder()
    .useCamera(true) // 设置是否使用拍照
    .setSingle(true) //设置是否单选
    .canPreview(true) //是否点击放大图片查看,，默认为true
    .start(this,REQUEST_CODE)

/**
 * author : wangning
 * email : maoning20080809@163.com
 * Date : 2022/4/15 22:20
 * description : 裁剪头像
 */
class ClipImageActivity : AppCompatActivity(), View.OnClickListener {


    //类别 1: 圆形头像, 2: 方形头像
    private var type = 0
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.wc_clip_image)
        type = intent.getIntExtra("type", 1)
        initView()
    }

    /**
     * 初始化组件
     */
    fun initView() {
        //设置点击事件监听器
        iv_back.setOnClickListener(this)
        btn_cancel.setOnClickListener(this)
        bt_ok.setOnClickListener(this)
    }

    override fun onResume() {
        super.onResume()
        if (type == 1) {
            clipViewLayout1.visibility = View.VISIBLE
            clipViewLayout2.visibility = View.GONE
            //设置图片资源
            clipViewLayout1.setImageSrc(intent.data)
        } else {
            clipViewLayout2.visibility = View.VISIBLE
            clipViewLayout1.visibility = View.GONE
            //设置图片资源
            clipViewLayout2.setImageSrc(intent.data)
        }
    }

    override fun onClick(v: View) {
        when (v.id) {
            R.id.iv_back -> finish()
            R.id.btn_cancel -> finish()
            R.id.bt_ok -> generateUriAndReturn()
        }
    }

    /**
     * 生成Uri并且通过setResult返回给打开的activity
     */
    private fun generateUriAndReturn() {
        //调用返回剪切图
        val zoomedCropBitmap: Bitmap?
        zoomedCropBitmap = if (type == 1) {
            clipViewLayout1.clip()
        } else {
            clipViewLayout2.clip()
        }
        if (zoomedCropBitmap == null) {
            TagUtils.e( "zoomedCropBitmap == null")
            return
        }
        var file = File(cacheDir, "cropped_" + System.currentTimeMillis() + ".jpg")
        val mSaveUri = Uri.fromFile(file)
        TagUtils.d("保存路径file：${mSaveUri.path}" )
        TagUtils.d("保存路径mSaveUri：${mSaveUri.path}" )
        if (mSaveUri != null) {
            var outputStream: OutputStream? = null
            try {
                outputStream = contentResolver.openOutputStream(mSaveUri)
                if (outputStream != null) {
                    zoomedCropBitmap.compress(Bitmap.CompressFormat.JPEG, 90, outputStream)
                }
            } catch (ex: IOException) {
                Log.e("android", "Cannot open file: $mSaveUri", ex)
            } finally {
                if (outputStream != null) {
                    try {
                        outputStream.close()
                    } catch (e: IOException) {
                        e.printStackTrace()
                    }
                }
            }
            val intent = Intent()
            intent.data = mSaveUri
            setResult(RESULT_OK, intent)
            finish()
        }
    }

    companion object {
        private const val TAG = "ClipImageActivity"
    }

}

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
    super.onActivityResult(requestCode, resultCode, data)

    if (requestCode == REQUEST_CODE && data != null) {
        val images = data.getStringArrayListExtra(ImageSelector.SELECT_RESULT)
        if(images != null && images.size > 0) {
            gotoClipActivity(images[0])
        }
    } else if(requestCode == REQUEST_CROP_PHOTO && data != null){
        var uri : Uri? = data.data
        var bitmap = BitmapFactory.decodeFile(uri?.path)
        personal_avatar_img.setImageBitmap(bitmap)
        userViewModel.uploadAvatar(uri?.path!!)
    }
}

//上传头像
fun uploadAvatar(filePath : String) {
    //var filePath = "/sdcard/image/a.jpg"
    CoroutineScope(Dispatchers.IO).launch {
        var resultFilePath = UploadFileUtils.uploadAvatar(filePath)
        if(!TextUtils.isEmpty(resultFilePath)){
            var account = DataStoreUtils.getAccount()
            var userBean = UserRepository.getUserByAccount(account)
            userBean.avatar = resultFilePath
            var result = UserRepository.updateUser(userBean)
            if(result > 0){
                avatarFilePathLiveData.postValue(BaseUtils.BASE_URL_UPLOAD + resultFilePath)
            }

            val userStr = Gson().toJson(userBean)
            UserService.getApi().updateUser(user = userStr)
        }
    }
}