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Added an example using Motion Scene Swipe Up
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97 changes: 97 additions & 0 deletions
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app/src/main/java/za/co/riggaroo/constraintlayoutdemo/RecyclerViewSwipeMotionActivity.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,97 @@ | ||
| package za.co.riggaroo.constraintlayoutdemo | ||
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| import android.content.Context | ||
| import android.os.Bundle | ||
| import android.util.TypedValue | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import androidx.appcompat.app.AppCompatActivity | ||
| import androidx.core.content.ContextCompat | ||
| import androidx.recyclerview.widget.DiffUtil | ||
| import androidx.recyclerview.widget.LinearLayoutManager | ||
| import androidx.recyclerview.widget.ListAdapter | ||
| import androidx.recyclerview.widget.RecyclerView | ||
| import com.google.android.material.bottomappbar.BottomAppBarTopEdgeTreatment | ||
| import com.google.android.material.shape.CornerTreatment | ||
| import com.google.android.material.shape.MaterialShapeDrawable | ||
| import com.google.android.material.shape.RoundedCornerTreatment | ||
| import com.google.android.material.shape.ShapePathModel | ||
| import kotlinx.android.synthetic.main.activity_swipe_recycler_view.* | ||
| import kotlinx.android.synthetic.main.list_item_email.view.* | ||
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| class RecyclerViewSwipeMotionActivity : AppCompatActivity(){ | ||
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| setContentView(R.layout.activity_swipe_recycler_view) | ||
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| val shapePathModel = ShapePathModel().apply { | ||
| val margin = applicationContext.dipToPixels(36f) | ||
| val corner = RoundedCornerTreatment(margin) | ||
| val noCorner = CornerTreatment() | ||
| setCornerTreatments(corner, corner, noCorner, noCorner) | ||
| topEdge = BottomAppBarTopEdgeTreatment(margin, margin, margin) | ||
| } | ||
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| val backgroundDrawable = MaterialShapeDrawable(shapePathModel).apply { | ||
| setTint(ContextCompat.getColor(this@RecyclerViewSwipeMotionActivity, R.color.white)) | ||
| isShadowEnabled = true | ||
| } | ||
| background_view.background = backgroundDrawable | ||
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| val listItems = listOf(Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!"), | ||
| Email("Rebecca Franks", "It's the holidays!")) | ||
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| val emailAdapter = EmailAdapter() | ||
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| recyclerViewEmails.adapter = emailAdapter | ||
| recyclerViewEmails.layoutManager = LinearLayoutManager(applicationContext, RecyclerView.VERTICAL, false) | ||
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| emailAdapter.submitList(listItems) | ||
| } | ||
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| fun Context.dipToPixels(dipValue: Float) = | ||
| TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dipValue, resources.displayMetrics) | ||
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| data class Email(val name: String, val subject: String) | ||
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| class EmailAdapter: ListAdapter<Email, EmailViewHolder>(DIFFER){ | ||
| override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EmailViewHolder { | ||
| return EmailViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.list_item_email, parent, false)) | ||
| } | ||
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| override fun onBindViewHolder(holder: EmailViewHolder, position: Int) { | ||
| holder.bind(getItem(position)) | ||
| } | ||
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| companion object { | ||
| val DIFFER = object : DiffUtil.ItemCallback<Email>() { | ||
| override fun areItemsTheSame(oldItem: Email, newItem: Email): Boolean { | ||
| return oldItem == newItem | ||
| } | ||
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| override fun areContentsTheSame(oldItem: Email, newItem: Email): Boolean { | ||
| return oldItem == newItem | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| class EmailViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) { | ||
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| fun bind(email : Email){ | ||
| itemView.textViewEmailName.text = email.name | ||
| itemView.textViewSubject.text = email.subject | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <androidx.constraintlayout.motion.widget.MotionLayout | ||
| xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:app="http://schemas.android.com/apk/res-auto" | ||
| xmlns:tools="http://schemas.android.com/tools" | ||
| android:orientation="vertical" | ||
| android:layout_width="match_parent" | ||
| android:background="?attr/colorAccent" | ||
| app:layoutDescription="@xml/motion_scene_swipe" | ||
| android:layout_height="match_parent"> | ||
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| <View | ||
| android:id="@+id/background_view" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="0dp" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| android:layout_marginTop="72dp" | ||
| android:background="?attr/colorBackgroundFloating" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintBottom_toBottomOf="parent"> | ||
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| </View> | ||
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| <androidx.recyclerview.widget.RecyclerView | ||
| android:layout_width="0dp" | ||
| android:layout_height="0dp" | ||
| app:layout_constraintTop_toTopOf="@+id/background_view" | ||
| app:layout_constraintBottom_toBottomOf="parent" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| tools:listitem="@layout/list_item_email" | ||
| android:clipToPadding="false" | ||
| android:id="@+id/recyclerViewEmails"> | ||
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| </androidx.recyclerview.widget.RecyclerView> | ||
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| </androidx.constraintlayout.motion.widget.MotionLayout> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:app="http://schemas.android.com/apk/res-auto" | ||
| xmlns:tools="http://schemas.android.com/tools" | ||
| android:orientation="vertical" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content"> | ||
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| <TextView | ||
| android:layout_width="0dp" | ||
| android:layout_height="wrap_content" | ||
| android:id="@+id/textViewEmailName" | ||
| app:layout_constraintStart_toEndOf="@+id/imageViewAvatar" | ||
| android:layout_marginStart="8dp" | ||
| android:layout_marginTop="16dp" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| android:textAppearance="@style/TextAppearance.AppCompat.Medium" | ||
| android:layout_marginEnd="16dp" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| tools:text="@tools:sample/full_names"/> | ||
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| <ImageView | ||
| android:layout_width="64dp" | ||
| android:layout_height="64dp" | ||
| tools:srcCompat="@tools:sample/avatars" | ||
| android:id="@+id/imageViewAvatar" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| android:layout_marginStart="16dp" | ||
| android:layout_marginTop="16dp" | ||
| app:layout_constraintTop_toTopOf="parent"/> | ||
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| <TextView | ||
| android:layout_width="0dp" | ||
| android:layout_height="wrap_content" | ||
| android:id="@+id/textViewSubject" | ||
| app:layout_constraintStart_toEndOf="@+id/imageViewAvatar" | ||
| android:layout_marginStart="16dp" | ||
| android:layout_marginTop="16dp" | ||
| app:layout_constraintTop_toBottomOf="@+id/textViewEmailName" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| android:layout_marginEnd="16dp" | ||
| tools:text="@tools:sample/lorem/random" | ||
| android:lines="2" | ||
| android:ellipsize="end" | ||
| android:layout_marginBottom="8dp" | ||
| app:layout_constraintBottom_toBottomOf="parent"/> | ||
| </androidx.constraintlayout.widget.ConstraintLayout> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <MotionScene xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:motion="http://schemas.android.com/apk/res-auto"> | ||
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| <Transition | ||
| motion:constraintSetStart="@id/start" | ||
| motion:constraintSetEnd="@id/end" | ||
| motion:duration="1000"> | ||
| <OnSwipe | ||
| motion:touchAnchorId="@+id/recyclerViewEmails" | ||
| motion:touchAnchorSide="top" | ||
| motion:dragDirection="dragUp" /> | ||
| </Transition> | ||
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| <ConstraintSet android:id="@+id/start"> | ||
| <Constraint | ||
| android:id="@id/background_view" | ||
| android:layout_width="0dp" | ||
| android:layout_height="0dp" | ||
| android:layout_marginTop="72dp" | ||
| motion:layout_constraintBottom_toBottomOf="parent" | ||
| motion:layout_constraintStart_toStartOf="parent" | ||
| motion:layout_constraintEnd_toEndOf="parent" | ||
| motion:layout_constraintTop_toTopOf="parent"> | ||
| </Constraint> | ||
| </ConstraintSet> | ||
|
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| <ConstraintSet android:id="@+id/end"> | ||
| <Constraint | ||
| android:id="@id/background_view" | ||
| android:layout_width="0dp" | ||
| android:layout_height="0dp" | ||
| android:layout_marginTop="0dp" | ||
| motion:layout_constraintBottom_toBottomOf="parent" | ||
| motion:layout_constraintStart_toStartOf="parent" | ||
| motion:layout_constraintEnd_toEndOf="parent" | ||
| motion:layout_constraintTop_toTopOf="parent"> | ||
| </Constraint> | ||
| </ConstraintSet> | ||
| </MotionScene> |
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