Android读取设备所有Video视频,Kotlin

Android读取设备所有Video视频,Kotlin

 

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
    private fun readAllVideo(context: Context): ArrayList<MyData> {
        val videos = ArrayList<MyData>()

        //读取手机图片
        val cursor = context.contentResolver.query(
            MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
            null,
            null,
            null,
            null
        )
        var index = 0
        while (cursor!!.moveToNext()) {
            //路径 uri
            val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA))

            //名称
            val name = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME))

            //大小
            val size = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.SIZE))

            videos.add(MyData(path, index++))
        }
        cursor.close()

        return videos
    }
    class MyData(var path: String, val index: Int) {

    }

android 13读取本机所有图片名和存储绝对路径,Java_zhangphil的博客-CSDN博客【Android设置头像,手机拍照或从本地相册选取图片作为头像】像微信、QQ、微博等社交类的APP,通常都有设置头像的功能,设置头像通常有两种方式:1,让用户通过选择本地相册之类的图片库中已有的图像,裁剪后作为头像。Android设置头像,手机拍照或从本地相册选取图片作为头像_android 头像拍照_zhangphil的博客-CSDN博客。Android图片添加文字水印并保存水印文字图片到指定文件_zhangphil的博客-CSDN博客。https://blog.csdn.net/zhangphil/article/details/129639271

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转载自blog.csdn.net/zhangphil/article/details/132173745