Util.startShareimage(this) //this为当前的ActivITy实例

  <uses-PErmission andROId:name="android.permission.WRITE_EXTERNAL_STORAGE"/>  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

 /**  * 系统分享图片功能  * Created by wiky on 2018/1/13.  */  object Util {   fun startShareImage(activity: Activity) {   //过滤出需要分享到对应的平台：微信好友、朋友圈、QQ好友。 可自行修改   val targetApp = arrayOf("com.tencent.mm.ui.tools.ShareimgUI", "com.tencent.mm.ui.tools.ShareToTimeLineUI", "com.tencent.mobileqq.activity.JumpActivity")   /** * 分享图片 */   val bitmap = getImageFromAssetsFile(activity, "img_share.jpg") //从assets目录中取到对应的文件，文件名自行修改   val localImage = saveBitmap(bitmap!!, "share.jpg") //分享前，需要先将图片存在本地（记得添加权限），文件名自行修改   val shareIntent = Intent(Intent.ACTION_SEND)   shareIntent.type = "image/*" //设置分享内容的类型：图片   shareIntent.putExtra(Intent.EXTRA_STREAM, localImage)   try {    val resInfo = activity.packageManager.queryIntentActivities(shareIntent, 0)    if (!resInfo.iSEMpty()) {     val targetedShareIntents = ArrayList<Intent>()     for (info in resInfo) {      val targeted = Intent(Intent.ACTION_SEND)      targeted.type = "image/*" //设置分享内容的类型      val activityInfo = info.activityInfo      //如果还需要分享至其它平台，可以打印出具体信息，然后找到对应的Activity名称，填入上面的数组中即可 //     PRintln("package = ${activityInfo.packageName}, activity = ${activityInfo.name}")       //进行过滤（只显示需要分享的平台）      if (targetApp.any { it == activityInfo.name }) {       val comp = componentName(activityInfo.packageName, activityInfo.name)       targeted.COMponent = comp       targeted.putExtra(Intent.EXTRA_STREAM, localImage)       targetedShareIntents.add(targeted)      }     }     val chooserIntent = Intent.createChooser(targetedShareIntents.removeAt(0), "选择要分享到的平台")     if (chooserIntent != null) {      chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, targetedShareIntents.toTypedArray<Parcelable>())      activity.startActivity(chooserIntent)     }    }   } catch (e: Exception) {    LOG.e(statConstants.LOG_TAG, "Unable to share image, logs : " + e.toString())   }  }   /** * 从Assets中读取图片 */  private fun getImageFromAssetsFile(context: Context, fileName: String): Bitmap&#63; {   VAR image: Bitmap? = null   val am = context.resources.assets   try {    val inputStream = am.open(fileName)    image = BitmapFactory.decodeStream(inputStream)    inputStream.close()   } catch (e: IOException) {    e.printStackTrace()   }    return image  }   /** * 将图片存到本地 */  private fun saveBitmap(bm: Bitmap, picName: String): Uri? {   try {    val dir = environment.getExternalStorageDirectory().absolutePath + File.separator + picName    val f = File(dir)    if (!f.exists()) {     f.parentFile.mkdirs()     f.createNewFile()    }    val out = FileOutputStream(f)    bm.comPress(Bitmap.CompressFormat.JPEG, 90, out)    out.flush()    out.close()    return Uri.fromFile(f)   } catch (e: FileNotFoundException) {    e.printStackTrace()   } catch (e: IOException) {    e.printStackTrace()   }    return null  }  }