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Code review [#25] P5 - Custom view (MaterialBanner) instead of Snackbar
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app/src/main/java/com/edwin/weatherapp/presentation/customView/MaterialBanner.kt
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| Original file line number | Diff line number | Diff line change |
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| package com.edwin.weatherapp.presentation.customView | ||
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| import android.content.Context | ||
| import android.graphics.drawable.Drawable | ||
| import android.util.AttributeSet | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import android.view.animation.Animation | ||
| import android.view.animation.Transformation | ||
| import androidx.annotation.DrawableRes | ||
| import androidx.annotation.StringRes | ||
| import androidx.constraintlayout.widget.ConstraintLayout | ||
| import androidx.core.content.ContextCompat | ||
| import com.edwin.weatherapp.R | ||
| import com.edwin.weatherapp.databinding.MaterialBannerBinding | ||
| import com.google.android.material.color.MaterialColors | ||
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| class MaterialBanner @JvmOverloads constructor( | ||
| context: Context, | ||
| attrs: AttributeSet? = null, | ||
| defStyleAttr: Int = 0 | ||
| ) : ConstraintLayout(context, attrs, defStyleAttr) { | ||
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| private var _contentText: String? = null | ||
| private var _leftButtonText: String? = null | ||
| private var _rightButtonText: String? = null | ||
| private var _iconDrawableRes: Drawable? = null | ||
| private var binding: MaterialBannerBinding | ||
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| var contentText: String? | ||
| get() = _contentText | ||
| set(value) { | ||
| _contentText = value | ||
| binding.contentTextView.text = value | ||
| } | ||
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| var leftButtonText: String? | ||
| get() = _leftButtonText | ||
| set(value) { | ||
| _leftButtonText = value | ||
| binding.leftButton.text = value | ||
| } | ||
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| var rightButtonText: String? | ||
| get() = _rightButtonText | ||
| set(value) { | ||
| _rightButtonText = value | ||
| binding.rightButton.text = value | ||
| } | ||
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| var iconDrawableRes: Drawable? | ||
| get() = _iconDrawableRes | ||
| set(value) { | ||
| _iconDrawableRes = value | ||
| binding.contentIconView.setImageDrawable(value) | ||
| binding.contentIconView.visibility = View.VISIBLE | ||
| } | ||
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| init { | ||
| val view = inflate(context, R.layout.material_banner, this) | ||
| binding = MaterialBannerBinding.bind(view) | ||
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| val typedArray = context.obtainStyledAttributes( | ||
| attrs, R.styleable.MaterialBanner, 0, 0 | ||
| ) | ||
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| contentText = typedArray.getString( | ||
| R.styleable.MaterialBanner_contentText | ||
| ) | ||
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| leftButtonText = typedArray.getString( | ||
| R.styleable.MaterialBanner_leftButtonText | ||
| ) | ||
|
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| rightButtonText = typedArray.getString( | ||
| R.styleable.MaterialBanner_rightButtonText | ||
| ) | ||
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| iconDrawableRes = typedArray.getDrawable( | ||
| R.styleable.MaterialBanner_icon | ||
| ) | ||
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| binding.bannerLayout.setBackgroundColor( | ||
| typedArray.getColor( | ||
| R.styleable.MaterialBanner_bannerBackgroundColor, | ||
| MaterialColors.getColor(view, R.attr.colorPrimary) | ||
| ) | ||
| ) | ||
|
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| binding.contentTextView.setTextColor( | ||
| typedArray.getColor( | ||
| R.styleable.MaterialBanner_contentTextColor, | ||
| ContextCompat.getColor(context, R.color.blue) | ||
| ) | ||
| ) | ||
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| binding.leftButton.setTextColor( | ||
| typedArray.getColor( | ||
| R.styleable.MaterialBanner_buttonsTextColor, | ||
| ContextCompat.getColor(context, R.color.blue) | ||
| ) | ||
| ) | ||
| binding.rightButton.setTextColor( | ||
| typedArray.getColor( | ||
| R.styleable.MaterialBanner_buttonsTextColor, | ||
| ContextCompat.getColor(context, R.color.blue) | ||
| ) | ||
| ) | ||
|
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| typedArray.recycle() | ||
| } | ||
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| fun showBanner( | ||
| @StringRes message: Int?, | ||
| @DrawableRes icon: Int?, | ||
| @StringRes leftBtnText: Int?, | ||
| @StringRes rightBtnText: Int?, | ||
| leftButtonAction: MaterialBanner.() -> Unit, | ||
| rightButtonAction: MaterialBanner.() -> Unit | ||
| ) { | ||
| contentText = message?.let { context.getString(it) } | ||
| iconDrawableRes = icon?.let { ContextCompat.getDrawable(context, it) } | ||
| leftButtonText = leftBtnText?.let { context.getString(it) } | ||
| rightButtonText = rightBtnText?.let { context.getString(it) } | ||
| this.setLeftButtonAction { leftButtonAction() } | ||
| this.setRightButtonAction { rightButtonAction() } | ||
| this.expand() | ||
| } | ||
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| fun dismiss() = this.collapse() | ||
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| fun setLeftButtonAction(action: () -> Unit) = binding.leftButton.setOnClickListener { | ||
| action() | ||
| } | ||
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| fun setRightButtonAction(action: () -> Unit) = binding.rightButton.setOnClickListener { | ||
| action() | ||
| } | ||
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| private fun View.expand() { | ||
| this@expand.measure( | ||
| LayoutParams.MATCH_CONSTRAINT, | ||
| LayoutParams.WRAP_CONTENT | ||
| ) | ||
| val targetHeight = this@expand.measuredHeight | ||
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| this@expand.layoutParams.height = 0 | ||
| this@expand.visibility = View.VISIBLE | ||
| val animation = object : Animation() { | ||
| override fun applyTransformation(interpolatedTime: Float, t: Transformation) { | ||
| this@expand.layoutParams.height = if (interpolatedTime == 1f) | ||
| ViewGroup.LayoutParams.WRAP_CONTENT | ||
| else | ||
| (targetHeight * interpolatedTime).toInt() | ||
| this@expand.requestLayout() | ||
| } | ||
|
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| override fun willChangeBounds(): Boolean = true | ||
| } | ||
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| animation.duration = | ||
| (targetHeight / this@expand.context.resources.displayMetrics.density).toInt().toLong() | ||
| this@expand.startAnimation(animation) | ||
| } | ||
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| private fun View.collapse() { | ||
| val initialHeight = this.measuredHeight | ||
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| val animation = object : Animation() { | ||
| override fun applyTransformation(interpolatedTime: Float, t: Transformation) { | ||
| if (interpolatedTime == 1f) { | ||
| this@collapse.visibility = View.GONE | ||
| } else { | ||
| this@collapse.layoutParams.height = | ||
| initialHeight - (initialHeight * interpolatedTime).toInt() | ||
| this@collapse.requestLayout() | ||
| } | ||
| } | ||
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| override fun willChangeBounds(): Boolean = true | ||
| } | ||
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| animation.duration = | ||
| (initialHeight / this.context.resources.displayMetrics.density).toInt().toLong() | ||
| this.startAnimation(animation) | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| <vector android:height="24dp" | ||
| android:tint="#4A90E2" | ||
| android:viewportHeight="24" | ||
| android:viewportWidth="24" | ||
| android:width="24dp" | ||
| xmlns:android="http://schemas.android.com/apk/res/android"> | ||
| <path | ||
| android:fillColor="@android:color/white" | ||
| android:pathData="M12,6.5c1.38,0 2.5,1.12 2.5,2.5 0,0.74 -0.33,1.39 -0.83,1.85l3.63,3.63c0.98,-1.86 1.7,-3.8 1.7,-5.48 0,-3.87 -3.13,-7 -7,-7 -1.98,0 -3.76,0.83 -5.04,2.15l3.19,3.19c0.46,-0.52 1.11,-0.84 1.85,-0.84zM16.37,16.1l-4.63,-4.63 -0.11,-0.11L3.27,3 2,4.27l3.18,3.18C5.07,7.95 5,8.47 5,9c0,5.25 7,13 7,13s1.67,-1.85 3.38,-4.35L18.73,21 20,19.73l-3.63,-3.63z" /> | ||
| </vector> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| <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:id="@+id/bannerLayout" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:orientation="vertical"> | ||
|
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| <ImageView | ||
| android:id="@+id/contentIconView" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginStart="24dp" | ||
| android:layout_marginTop="24dp" | ||
| android:contentDescription="@string/banner_image" | ||
| android:visibility="gone" | ||
| app:layout_constraintStart_toStartOf="parent" | ||
| app:layout_constraintTop_toTopOf="parent" | ||
| tools:src="@drawable/ic_location_off" | ||
| tools:visibility="visible" /> | ||
|
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| <TextView | ||
| android:id="@+id/contentTextView" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:textColor="@color/blue" | ||
| tools:text="Test text of banner" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintTop_toTopOf="@id/contentIconView" | ||
| app:layout_constraintStart_toEndOf="@id/contentIconView" /> | ||
|
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| <com.google.android.material.button.MaterialButton | ||
| android:id="@+id/leftButton" | ||
| style="@style/Widget.MaterialComponents.Button.TextButton" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginEnd="8dp" | ||
| android:textColor="@color/blue" | ||
| app:layout_constraintBottom_toBottomOf="@+id/rightButton" | ||
| app:layout_constraintEnd_toStartOf="@+id/rightButton" | ||
| app:layout_constraintTop_toTopOf="@+id/rightButton" | ||
| app:rippleColor="@color/blue" | ||
| tools:text="Dismiss" /> | ||
|
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| <com.google.android.material.button.MaterialButton | ||
| android:id="@+id/rightButton" | ||
| style="@style/Widget.MaterialComponents.Button.TextButton" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginTop="16dp" | ||
| android:layout_marginEnd="16dp" | ||
| android:layout_marginBottom="8dp" | ||
| android:textColor="@color/blue" | ||
| app:layout_constraintBottom_toBottomOf="parent" | ||
| app:layout_constraintEnd_toEndOf="parent" | ||
| app:layout_constraintTop_toBottomOf="@id/contentTextView" | ||
| app:rippleColor="@color/blue" | ||
| tools:text="Retry" /> | ||
|
|
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| </androidx.constraintlayout.widget.ConstraintLayout> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <resources> | ||
| <declare-styleable name="MaterialBanner"> | ||
| <attr name="contentText" format="string|reference" /> | ||
| <attr name="leftButtonText" format="string|reference" /> | ||
| <attr name="rightButtonText" format="string|reference" /> | ||
| <attr name="icon" format="reference" /> | ||
|
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| <attr name="contentTextColor" format="color" /> | ||
| <attr name="buttonsTextColor" format="color" /> | ||
| <attr name="bannerBackgroundColor" format="color" /> | ||
|
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| </declare-styleable> | ||
| </resources> |
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