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properly measure recyclerview content height when content changes

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This commit is contained in:
tibbi 2018-06-23 09:41:26 +02:00
parent e5da025335
commit f6231bf517
2 changed files with 33 additions and 1 deletions
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2
app/build.gradle
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@ -47,7 +47,7 @@ ext {
}
dependencies {
implementation 'com.simplemobiletools:commons:4.2.11'
implementation 'com.simplemobiletools:commons:4.2.13'
implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.0'
implementation 'com.android.support:multidex:1.0.3'
implementation 'it.sephiroth.android.exif:library:1.0.1'

32
app/src/main/kotlin/com/simplemobiletools/gallery/activities/MediaActivity.kt
View file

@ -41,6 +41,7 @@ import com.simplemobiletools.gallery.extensions.*
import com.simplemobiletools.gallery.helpers.*
import com.simplemobiletools.gallery.models.Medium
import com.simplemobiletools.gallery.models.ThumbnailItem
import com.simplemobiletools.gallery.models.ThumbnailSection
import kotlinx.android.synthetic.main.activity_media.*
import java.io.File
import java.io.IOException
@ -60,6 +61,8 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
private var mIsSearchOpen = false
private var mLatestMediaId = 0L
private var mLatestMediaDateId = 0L
private var mSectionTitleHeight = 0
private var mThumbnailHeight = 0
private var mLastMediaHandler = Handler()
private var mTempShowHiddenHandler = Handler()
private var mCurrAsyncTask: GetMediaAsynctask? = null
@ -287,6 +290,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
val grouped = MediaFetcher(applicationContext).groupMedia(filtered as ArrayList<Medium>, mPath)
runOnUiThread {
getMediaAdapter()?.updateMedia(grouped)
measureRecyclerViewContent(grouped)
}
}.start()
}
@ -334,6 +338,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
(currAdapter as MediaAdapter).updateMedia(mMedia)
}
measureRecyclerViewContent(mMedia)
setupScrollDirection()
}
@ -579,6 +584,33 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
}
}
private fun measureRecyclerViewContent(media: ArrayList<ThumbnailItem>) {
val layoutManager = media_grid.layoutManager as MyGridLayoutManager
media_grid.onGlobalLayout {
val hasSections = config.getFolderGrouping(mPath) and GROUP_BY_NONE == 0
mSectionTitleHeight = if (hasSections) layoutManager.getChildAt(0)?.height ?: 0 else 0
mThumbnailHeight = if (hasSections) layoutManager.getChildAt(1)?.height ?: 0 else layoutManager.getChildAt(0)?.height ?: 0
var fullHeight = 0
var curSectionItems = 0
media.forEach {
if (it is ThumbnailSection) {
fullHeight += mSectionTitleHeight
if (curSectionItems != 0) {
val rows = ((curSectionItems - 1) / layoutManager.spanCount + 1)
fullHeight += rows * mThumbnailHeight
}
curSectionItems = 0
} else {
curSectionItems++
}
}
fullHeight += ((curSectionItems - 1) / layoutManager.spanCount + 1) * mThumbnailHeight
media_vertical_fastscroller.setContentHeight(fullHeight)
}
}
private fun initZoomListener() {
if (config.viewTypeFiles == VIEW_TYPE_GRID) {
val layoutManager = media_grid.layoutManager as MyGridLayoutManager