package cn.sinata.xldutils.activity
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import android.Manifest
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import android.app.Activity
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import android.content.ContentValues
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import android.content.Intent
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import android.database.Cursor
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import android.graphics.Color
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import android.net.Uri
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import android.os.Build
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import android.os.Bundle
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import android.os.Environment
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import android.provider.MediaStore
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import android.view.View
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import android.view.ViewGroup
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import android.widget.ImageView
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import android.widget.TextView
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import androidx.loader.app.LoaderManager
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import androidx.loader.content.CursorLoader
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import androidx.loader.content.Loader
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import androidx.recyclerview.widget.GridLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import cn.sinata.xldutils.R
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import cn.sinata.xldutils.adapter.BaseRecyclerAdapter
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import cn.sinata.xldutils.adapter.util.ViewHolder
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import cn.sinata.xldutils.utils.isFilePath
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import cn.sinata.xldutils.view.SwipeRefreshRecyclerLayout
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import com.facebook.drawee.view.SimpleDraweeView
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import com.tbruyelle.rxpermissions2.RxPermissions
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import org.jetbrains.anko.backgroundColor
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import org.jetbrains.anko.imageResource
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import org.jetbrains.anko.toast
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import java.io.File
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import java.text.SimpleDateFormat
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import java.util.*
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/**
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* 选择照片，可多选。(单选还么写。。)
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*/
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class SelectPhotoActivity : RecyclerActivity() {
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companion object {
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const val MAX = "max"
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const val SELECT_LIST = "selectList"
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}
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private var tempFile: File? = null
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var maxNumber = 100//默认最多可选100个
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val imagePaths = ArrayList<Image>()
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val selectImages = ArrayList<String>()
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val LOADER_ALL: Int = 0
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val defaultTakePhoto = Image("res:///" + R.drawable.ic_camera_alt_24dp)
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private val imageAdapter by lazy {
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ImageAdapter()
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}
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override fun adapter(): RecyclerView.Adapter<*> {
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return imageAdapter
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}
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override fun mode(): SwipeRefreshRecyclerLayout.Mode {
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return SwipeRefreshRecyclerLayout.Mode.None
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}
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override fun layoutManager(): RecyclerView.LayoutManager {
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return GridLayoutManager(this, 3)
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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rootFl.backgroundColor = Color.parseColor("#F3F3F3")
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// permission(arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE,
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// Manifest.permission.CAMERA)
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//
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// ,"运行必须的权限",12)
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RxPermissions(this).request(Manifest.permission.WRITE_EXTERNAL_STORAGE,
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Manifest.permission.CAMERA).subscribe { }
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titleBar.addRightButton("完成", onClickListener = View.OnClickListener {
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if (selectImages.size == 0) {
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toast("您还没选择图片！")
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return@OnClickListener
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}
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val data = Intent()
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data.putStringArrayListExtra(SELECT_LIST, selectImages)
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setResult(Activity.RESULT_OK, data)
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finish()
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})
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maxNumber = intent.getIntExtra(MAX, 100)
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val temp = intent.getStringArrayListExtra(SELECT_LIST)
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if (temp != null) {
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selectImages.addAll(temp)
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}
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//拍照按钮
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imagePaths.add(defaultTakePhoto)
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imageAdapter.notifyDataSetChanged()
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supportLoaderManager.initLoader<Cursor>(LOADER_ALL, null, mLoaderCallback)
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}
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private val mLoaderCallback = object : LoaderManager.LoaderCallbacks<Cursor> {
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private val IMAGE_PROJECTION = arrayOf(MediaStore.Images.Media.DATA,
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MediaStore.Images.Media.DISPLAY_NAME,
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MediaStore.Images.Media.DATE_ADDED,
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MediaStore.Images.Media.MIME_TYPE,
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MediaStore.Images.Media.SIZE,
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MediaStore.Images.Media._ID)
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override fun onLoaderReset(loader: Loader<Cursor>) {
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}
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override fun onLoadFinished(loader: Loader<Cursor>, data: Cursor?) {
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if (data != null) {
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if (data.count > 0) {
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data.moveToFirst()
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imagePaths.clear()
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imagePaths.add(defaultTakePhoto)
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do {
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val path = data.getString(data.getColumnIndexOrThrow(IMAGE_PROJECTION[0]))
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val name = data.getString(data.getColumnIndexOrThrow(IMAGE_PROJECTION[1]))
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if (path.isFilePath()) {
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val image = Image(path)
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if (selectImages.contains(path)) {
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image.isSelected = true
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}
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imagePaths.add(image)
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}
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} while (data.moveToNext())
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imageAdapter.notifyDataSetChanged()
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}
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}
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}
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override fun onCreateLoader(id: Int, args: Bundle?): Loader<Cursor> {
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return CursorLoader(this@SelectPhotoActivity,
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MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_PROJECTION,
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IMAGE_PROJECTION[4] + ">0 AND " + IMAGE_PROJECTION[3] + "=? OR " + IMAGE_PROJECTION[3] + "=? ",
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arrayOf("image/jpeg", "image/png"), IMAGE_PROJECTION[2] + " DESC")
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}
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}
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override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
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super.onActivityResult(requestCode, resultCode, data)
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if (resultCode == Activity.RESULT_OK) {
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if (requestCode == 0) {
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//拍照
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if (tempFile != null && tempFile!!.exists()) {
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//notify system
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sendBroadcast(Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(tempFile)))
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//重新加载数据
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supportLoaderManager.initLoader<Cursor>(LOADER_ALL, null, mLoaderCallback)
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}
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}
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}
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}
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private inner class ImageAdapter : BaseRecyclerAdapter<Image>(imagePaths, R.layout.item_select_photo_image) {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val viewHolder = super.onCreateViewHolder(parent, viewType)
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return viewHolder
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}
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override fun onBind(holder: ViewHolder, position: Int, data: Image) {
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val stateView = holder.bind<TextView>(R.id.action_state)
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val imageView = holder.bind<SimpleDraweeView>(R.id.imageView)
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//不是拍照
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if (position != 0) {
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imageView.setImageURI(Uri.parse("file://" + data.path))
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stateView.visibility = View.VISIBLE
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stateView.isSelected = data.isSelected
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if (data.isSelected) {
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stateView.text = (selectImages.indexOf(data.path) + 1).toString()
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} else {
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stateView.text = null
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}
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} else {
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stateView.visibility = View.GONE
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imageView.imageResource = R.drawable.ic_camera_alt_24dp
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imageView.scaleType = ImageView.ScaleType.CENTER_INSIDE
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}
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stateView.setOnClickListener {
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val selected = data.isSelected
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//本是选中状态
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if (selected) {
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if (selectImages.contains(data.path)) {
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selectImages.remove(data.path)
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}
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} else {
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if (selectImages.size >= maxNumber) {
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toast("最多选择" + maxNumber + "张图片")
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return@setOnClickListener
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}
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selectImages.add(data.path)
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}
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data.isSelected = !selected
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notifyDataSetChanged()
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}
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imageView.setOnClickListener {
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//拍照
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if (position == 0) {
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takePhoto()
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}
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}
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}
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}
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fun takePhoto() {
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val intent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
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// Create an image file name
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val timeStamp = SimpleDateFormat("yyyyMMdd_HHmmss").format(Date())
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val imageFileName = "IMG_$timeStamp.jpg"
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//path 最好不使用data目录。如果需要通知系统刷新图库，data目录的文件其他应用没有访问权限，会无效。
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val path = Environment.getExternalStorageDirectory().absolutePath + "/DCIM/Camera/"
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val storageDir = File(path)
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if (!storageDir.exists()) {
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storageDir.mkdirs()
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}
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val image = File(storageDir, imageFileName)
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tempFile = image
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val u = Uri.fromFile(tempFile)
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intent.putExtra(MediaStore.Images.Media.ORIENTATION, 0)
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//7.0崩溃问题
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if (Build.VERSION.SDK_INT < 24) {
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intent.putExtra(MediaStore.EXTRA_OUTPUT, u)
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} else {
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val contentValues = ContentValues(1)
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contentValues.put(MediaStore.Images.Media.DATA, tempFile?.absolutePath)
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val uri = this@SelectPhotoActivity.contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)
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intent.putExtra(MediaStore.EXTRA_OUTPUT, uri)
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}
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startActivityForResult(intent, 0)
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}
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data class Image(val path: String, var isSelected: Boolean = false)
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}
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