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removed need to specify height of views. Now you will have to set the…
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…m the same on the layout itself.
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@AndroidDeveloperLB
AndroidDeveloperLB committed Feb 11, 2019
1 parent f74a5ef commit e376cd4
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Showing 3 changed files with 48 additions and 51 deletions.
12 changes: 7 additions & 5 deletions app/src/main/res/layout/video_trimmer.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,14 @@
android:background="#33ffffff" app:layout_constraintBottom_toBottomOf="parent"/>

<com.lb.video_trimmer_library.view.TimeLineView
android:id="@+id/timeLineView" android:layout_width="match_parent" android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent" tools:background="@tools:sample/backgrounds/scenic"/>
android:id="@+id/timeLineView" android:layout_width="match_parent" android:layout_height="40dp"
app:layout_constraintBottom_toBottomOf="parent" />

<com.lb.video_trimmer_library.view.RangeSeekBarView
android:id="@+id/rangeSeekBarView" android:layout_width="match_parent" android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="@id/timeLineView" tools:background="#3300ffff"/>
<com.lb.video_trimmer_library.view.RangeSeekBarView app:layout_constraintTop_toTopOf="@id/timeLineView"
android:id="@+id/rangeSeekBarView"
android:layout_width="match_parent" android:layout_height="0px"
app:layout_constraintBottom_toBottomOf="@id/timeLineView"
tools:background="#3300ffff"/>

<FrameLayout
android:id="@+id/timeTextContainer" android:layout_width="match_parent" android:layout_height="wrap_content"
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25 changes: 6 additions & 19 deletions video_trimmer_library/src/main/java/com/lb/video_trimmer_library/view/RangeSeekBarView.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,6 @@ open class RangeSeekBarView @JvmOverloads constructor(context: Context, attrs: A

@Suppress("MemberVisibilityCanBePrivate")
private val thumbTouchExtraMultiplier = initThumbTouchExtraMultiplier()
private var timeLineHeight: Int = initTimeLineHeight(context)
private val thumbs = arrayOf(Thumb(ThumbType.LEFT.index), Thumb(ThumbType.RIGHT.index))
private var listeners = HashSet<OnRangeSeekBarListener>()
private var maxWidth: Float = 0.toFloat()
Expand Down Expand Up @@ -85,14 +84,6 @@ open class RangeSeekBarView @JvmOverloads constructor(context: Context, attrs: A
context.resources.displayMetrics
).toInt().coerceAtLeast(1)

private fun initTimeLineHeight(context: Context) =
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
40f,
context.resources.displayMetrics
).toInt().coerceAtLeast(1)


fun initMaxWidth() {
maxWidth = thumbs[ThumbType.RIGHT.index].pos - thumbs[ThumbType.LEFT.index].pos
onSeekStop(this, ThumbType.LEFT.index, thumbs[ThumbType.LEFT.index].value)
Expand All @@ -101,11 +92,7 @@ open class RangeSeekBarView @JvmOverloads constructor(context: Context, attrs: A

override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec)
val minW = paddingLeft + paddingRight + suggestedMinimumWidth
viewWidth = View.resolveSizeAndState(minW, widthMeasureSpec, 1)
val minH = paddingBottom + paddingTop + timeLineHeight
val viewHeight = View.resolveSizeAndState(minH, heightMeasureSpec, 1)
setMeasuredDimension(viewWidth, viewHeight)
viewWidth=measuredWidth
pixelRangeMin = 0f
pixelRangeMax = (viewWidth - thumbWidth).toFloat()
if (firstRun) {
Expand All @@ -128,32 +115,32 @@ open class RangeSeekBarView @JvmOverloads constructor(context: Context, attrs: A
if (thumb.index == ThumbType.LEFT.index) {
val x = thumb.pos + paddingLeft
if (x > pixelRangeMin)
canvas.drawRect(thumbWidth.toFloat(), 0f, (x + thumbWidth), timeLineHeight.toFloat(), shadowPaint)
canvas.drawRect(thumbWidth.toFloat(), 0f, (x + thumbWidth), height.toFloat(), shadowPaint)
} else {
val x = thumb.pos - paddingRight
if (x < pixelRangeMax)
canvas.drawRect(x, 0f, (viewWidth - thumbWidth).toFloat(), timeLineHeight.toFloat(), shadowPaint)
canvas.drawRect(x, 0f, (viewWidth - thumbWidth).toFloat(), height.toFloat(), shadowPaint)
}
}
//draw stroke around selected range
canvas.drawRect(
(thumbs[ThumbType.LEFT.index].pos + paddingLeft + thumbWidth),
0f,
thumbs[ThumbType.RIGHT.index].pos - paddingRight,
timeLineHeight.toFloat(),
height.toFloat(),
strokePaint
)
//draw edges
val circleRadius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 6f, context.resources.displayMetrics)
canvas.drawCircle(
(thumbs[ThumbType.LEFT.index].pos + paddingLeft + thumbWidth),
timeLineHeight.toFloat() / 2f,
height.toFloat() / 2f,
circleRadius,
edgePaint
)
canvas.drawCircle(
thumbs[ThumbType.RIGHT.index].pos - paddingRight,
timeLineHeight.toFloat() / 2f,
height.toFloat() / 2f,
circleRadius,
edgePaint
)
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62 changes: 35 additions & 27 deletions video_trimmer_library/src/main/java/com/lb/video_trimmer_library/view/TimeLineView.kt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,10 @@
*/
package com.lb.video_trimmer_library.view

import android.annotation.SuppressLint
import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.Canvas
import android.media.MediaMetadataRetriever
import android.media.ThumbnailUtils
Expand All @@ -33,54 +35,59 @@ import android.os.Build.VERSION
import android.os.Build.VERSION_CODES
import android.util.AttributeSet
import android.util.LongSparseArray
import android.util.TypedValue
import android.view.View
import com.lb.video_trimmer_library.utils.BackgroundExecutor
import com.lb.video_trimmer_library.utils.UiThreadExecutor

open class TimeLineView @JvmOverloads constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int = 0) : View(context, attrs, defStyleAttr) {
open class TimeLineView @JvmOverloads constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int = 0) :
View(context, attrs, defStyleAttr) {
private var videoUri: Uri? = null
@Suppress("LeakingThis")
private var heightView: Int = initHeightView()
private var bitmapList: LongSparseArray<Bitmap>? = null

open fun initHeightView(): Int = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 40f, context.resources.displayMetrics).toInt().coerceAtLeast(1)

override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
val minW = paddingLeft + paddingRight + suggestedMinimumWidth
val w = View.resolveSizeAndState(minW, widthMeasureSpec, 1)
val minH = paddingBottom + paddingTop + heightView
val h = View.resolveSizeAndState(minH, heightMeasureSpec, 1)
setMeasuredDimension(w, h)
}

override fun onSizeChanged(w: Int, h: Int, oldW: Int, oldH: Int) {
super.onSizeChanged(w, h, oldW, oldH)
if (w != oldW)
getBitmap(w)
getBitmap(w, h)
}

private fun getBitmap(viewWidth: Int) {
private fun getBitmap(viewWidth: Int, viewHeight: Int) {
// if (isInEditMode)
// return
// Set thumbnail properties (Thumbs are squares)
val thumbSize = viewHeight
val numThumbs = Math.ceil((viewWidth.toFloat() / thumbSize).toDouble()).toInt()
if (isInEditMode) {
val bitmap = ThumbnailUtils.extractThumbnail(
BitmapFactory.decodeResource(resources, android.R.drawable.sym_def_app_icon)!!, thumbSize, thumbSize
)
bitmapList = LongSparseArray()
for (i in 0 until numThumbs)
bitmapList!!.put(i.toLong(), bitmap)
return
}
BackgroundExecutor.cancelAll("", true)
BackgroundExecutor.execute(object : BackgroundExecutor.Task("", 0L, "") {
override fun execute() {
try {
val thumbnailList = LongSparseArray<Bitmap>()
val mediaMetadataRetriever = MediaMetadataRetriever()
mediaMetadataRetriever.setDataSource(context, videoUri)
// Retrieve media data
val videoLengthInMs = (Integer.parseInt(mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)) * 1000).toLong()
// Set thumbnail properties (Thumbs are squares)
val thumbSize = heightView
val numThumbs = Math.ceil((viewWidth.toFloat() / thumbSize).toDouble()).toInt()
val videoLengthInMs =
mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION).toLong() * 1000L
val interval = videoLengthInMs / numThumbs
for (i in 0 until numThumbs) {
var bitmap: Bitmap?
bitmap = if (VERSION.SDK_INT >= VERSION_CODES.O_MR1)
mediaMetadataRetriever.getScaledFrameAtTime(i * interval, MediaMetadataRetriever.OPTION_CLOSEST_SYNC, thumbSize, thumbSize)
else
mediaMetadataRetriever.getFrameAtTime(i * interval, MediaMetadataRetriever.OPTION_CLOSEST_SYNC)
var bitmap: Bitmap? = if (VERSION.SDK_INT >= VERSION_CODES.O_MR1)
mediaMetadataRetriever.getScaledFrameAtTime(
i * interval, MediaMetadataRetriever.OPTION_CLOSEST_SYNC, thumbSize, thumbSize
)
else mediaMetadataRetriever.getFrameAtTime(
i * interval,
MediaMetadataRetriever.OPTION_CLOSEST_SYNC
)
if (bitmap != null)
bitmap = ThumbnailUtils.extractThumbnail(bitmap, thumbSize, thumbSize) //Bitmap.createScaledBitmap(bitmap, thumbSize, thumbSize, false);
bitmap = ThumbnailUtils.extractThumbnail(bitmap, thumbSize, thumbSize)
thumbnailList.put(i.toLong(), bitmap)
}
mediaMetadataRetriever.release()
Expand All @@ -101,13 +108,14 @@ open class TimeLineView @JvmOverloads constructor(context: Context, attrs: Attri
}, 0L)
}

@SuppressLint("DrawAllocation")
override fun onDraw(canvas: Canvas) {
super.onDraw(canvas)
if (bitmapList != null) {
canvas.save()
var x = 0
for (i in 0 until bitmapList!!.size()) {
val bitmap = bitmapList!!.get(i.toLong())
for (i in 0L until bitmapList!!.size()) {
val bitmap = bitmapList!!.get(i)
if (bitmap != null) {
canvas.drawBitmap(bitmap, x.toFloat(), 0f, null)
x += bitmap.width
Expand Down

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