Android reads all Videos on the device, Kotlin

Android reads all Videos on the device, 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) {

    }

 

 

 

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