fixed layout params issues.

Author: AndroidDeveloperLB

app/src/main/res/layout/video_trimmer.xml

@@ -26,23 +26,26 @@
             app:layout_constraintBottom_toTopOf="@id/timeTextContainer" app:layout_constraintEnd_toEndOf="parent"
             app:srcCompat="@android:drawable/ic_menu_crop" tools:ignore="RtlCompat"/>
 
-    <View app:layout_constraintTop_toTopOf="@id/timeTextContainer"
-          android:id="@+id/trimmingContainer" android:layout_width="match_parent" android:layout_height="0px"
-          android:background="#33ffffff" app:layout_constraintBottom_toBottomOf="parent"/>
+    <View app:layout_constraintTop_toTopOf="@id/timeTextContainer" android:background="#33ffffff"
+          android:id="@+id/backgroundView" android:layout_width="match_parent" android:layout_height="0px"
+          app:layout_constraintBottom_toBottomOf="parent"/>
 
-    <com.lb.video_trimmer_library.view.TimeLineView
-            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
-            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:layout_width="match_parent" android:layout_height="40dp" android:id="@+id/trimmingContainer"
+                 app:layout_constraintBottom_toBottomOf="parent">
+        <com.lb.video_trimmer_library.view.TimeLineView
+                android:id="@+id/timeLineView" android:layout_width="match_parent"
+                android:layout_height="match_parent"/>
+
+        <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="match_parent"
+                tools:background="#3300ffff"/>
+    </FrameLayout>
 
     <FrameLayout
             android:id="@+id/timeTextContainer" android:layout_width="match_parent" android:layout_height="wrap_content"
-            android:visibility="gone" app:layout_constraintBottom_toTopOf="@id/timeLineView"
+            android:visibility="gone" app:layout_constraintBottom_toTopOf="@id/trimmingContainer"
             tools:visibility="visible">
 
         <TextView

video_trimmer_library/src/main/java/com/lb/video_trimmer_library/BaseVideoTrimmerView.kt

@@ -51,7 +51,11 @@ import com.lb.video_trimmer_library.view.TimeLineView
 import java.io.File
 import java.lang.ref.WeakReference
 
-abstract class BaseVideoTrimmerView @JvmOverloads constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int = 0) : FrameLayout(context, attrs, defStyleAttr) {
+abstract class BaseVideoTrimmerView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet,
+    defStyleAttr: Int = 0
+) : FrameLayout(context, attrs, defStyleAttr) {
     private val rangeSeekBarView: RangeSeekBarView
     private val videoViewContainer: View
     private val timeInfoContainer: View
@@ -112,12 +116,12 @@ abstract class BaseVideoTrimmerView @JvmOverloads constructor(context: Context,
             }
         })
         val gestureDetector = GestureDetector(context,
-                object : GestureDetector.SimpleOnGestureListener() {
-                    override fun onSingleTapConfirmed(e: MotionEvent): Boolean {
-                        onClickVideoPlayPause()
-                        return true
-                    }
+            object : GestureDetector.SimpleOnGestureListener() {
+                override fun onSingleTapConfirmed(e: MotionEvent): Boolean {
+                    onClickVideoPlayPause()
+                    return true
                 }
+            }
         )
         videoView.setOnErrorListener { _, what, extra ->
             if (videoTrimmingListener != null)
@@ -154,7 +158,7 @@ abstract class BaseVideoTrimmerView @JvmOverloads constructor(context: Context,
     private fun setUpMargins() {
         val marge = rangeSeekBarView.thumbWidth
         val lp: MarginLayoutParams = timeLineView.layoutParams as MarginLayoutParams
-        lp.setMargins(marge, 0, marge, 0)
+        lp.setMargins(marge, lp.topMargin, marge, lp.bottomMargin)
         timeLineView.layoutParams = lp
     }
 
@@ -164,7 +168,8 @@ abstract class BaseVideoTrimmerView @JvmOverloads constructor(context: Context,
         pauseVideo()
         val mediaMetadataRetriever = MediaMetadataRetriever()
         mediaMetadataRetriever.setDataSource(context, src)
-        val metadataKeyDuration = java.lang.Long.parseLong(mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION))
+        val metadataKeyDuration =
+            java.lang.Long.parseLong(mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION))
         if (timeVideo < MIN_TIME_FRAME) {
             if (metadataKeyDuration - endPosition > MIN_TIME_FRAME - timeVideo) {
                 endPosition += MIN_TIME_FRAME - timeVideo
@@ -176,15 +181,23 @@ abstract class BaseVideoTrimmerView @JvmOverloads constructor(context: Context,
         if (videoTrimmingListener != null)
             videoTrimmingListener!!.onTrimStarted()
         BackgroundExecutor.execute(
-                object : BackgroundExecutor.Task(null, 0L, null) {
-                    override fun execute() {
-                        try {
-                            TrimVideoUtils.startTrim(context, src!!, dstFile!!, startPosition.toLong(), endPosition.toLong(), duration.toLong(), videoTrimmingListener!!)
-                        } catch (e: Throwable) {
-                            Thread.getDefaultUncaughtExceptionHandler().uncaughtException(Thread.currentThread(), e)
-                        }
+            object : BackgroundExecutor.Task(null, 0L, null) {
+                override fun execute() {
+                    try {
+                        TrimVideoUtils.startTrim(
+                            context,
+                            src!!,
+                            dstFile!!,
+                            startPosition.toLong(),
+                            endPosition.toLong(),
+                            duration.toLong(),
+                            videoTrimmingListener!!
+                        )
+                    } catch (e: Throwable) {
+                        Thread.getDefaultUncaughtExceptionHandler().uncaughtException(Thread.currentThread(), e)
                     }
                 }
+            }
         )
     }