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Merge pull request #9 from agrawalsuneet/dev
Merge dev to master for 0.5 release
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166 changes: 166 additions & 0 deletions
166
dotsloader/src/main/java/com/agrawalsuneet/dotsloader/ui/LazyLoader.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| package com.agrawalsuneet.dotsloader.ui | ||
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| import android.content.Context | ||
| import android.os.Handler | ||
| import android.util.AttributeSet | ||
| import android.view.Gravity | ||
| import android.view.ViewTreeObserver | ||
| import android.view.animation.Animation | ||
| import android.view.animation.TranslateAnimation | ||
| import android.widget.LinearLayout | ||
| import com.agrawalsuneet.dotsloader.R | ||
| import com.agrawalsuneet.dotsloader.ui.basicviews.CircleView | ||
| import com.agrawalsuneet.dotsloader.ui.basicviews.LoaderContract | ||
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| /** | ||
| * Created by ballu on 13/08/17. | ||
| */ | ||
| class LazyLoader : LinearLayout, LoaderContract { | ||
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| var animDuration: Int = 500 | ||
| var firstDelayDuration: Int = 100 | ||
| var secondDelayDuration: Int = 200 | ||
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| private lateinit var firstCircle: CircleView | ||
| private lateinit var secondCircle: CircleView | ||
| private lateinit var thirdCircle: CircleView | ||
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| constructor(context: Context, dotsRadius: Int, dotsDist: Int, dotsColor: Int) : super(context) { | ||
| this.dotsRadius = dotsRadius | ||
| this.dotsDist = dotsDist | ||
| this.dotsColor = dotsColor | ||
| initView() | ||
| } | ||
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| constructor(context: Context?) : super(context) { | ||
| initView() | ||
| } | ||
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| constructor(context: Context?, attrs: AttributeSet) : super(context, attrs) { | ||
| initAttributes(attrs) | ||
| initView() | ||
| } | ||
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| constructor(context: Context?, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { | ||
| initAttributes(attrs) | ||
| initView() | ||
| } | ||
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| override fun initAttributes(attrs: AttributeSet) { | ||
| val typedArray = context.obtainStyledAttributes(attrs, R.styleable.LazyLoader, 0, 0) | ||
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| this.dotsRadius = typedArray.getDimensionPixelSize(R.styleable.LazyLoader_lazyloader_dotsRadius, 30) | ||
| this.dotsDist = typedArray.getDimensionPixelSize(R.styleable.LazyLoader_lazyloader_dotsDist, 15) | ||
| this.dotsColor = typedArray.getColor(R.styleable.LazyLoader_lazyloader_dotsColor, | ||
| resources.getColor(R.color.loader_defalut)) | ||
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| this.animDuration = typedArray.getInt(R.styleable.LazyLoader_lazyloader_animDur, 500) | ||
| this.firstDelayDuration = typedArray.getInt(R.styleable.LazyLoader_lazyloader_firstDelayDur, 100) | ||
| this.secondDelayDuration = typedArray.getInt(R.styleable.LazyLoader_lazyloader_secondDelayDur, 200) | ||
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| typedArray.recycle() | ||
| } | ||
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| override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { | ||
| super.onMeasure(widthMeasureSpec, heightMeasureSpec) | ||
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| val calWidth = (6 * dotsRadius) + (2 * dotsDist) | ||
| val calHeight = 6 * dotsRadius | ||
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| setMeasuredDimension(calWidth, calHeight) | ||
| } | ||
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| private fun initView() { | ||
| removeAllViews() | ||
| removeAllViewsInLayout() | ||
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| firstCircle = CircleView(context, dotsRadius, dotsColor) | ||
| secondCircle = CircleView(context, dotsRadius, dotsColor) | ||
| thirdCircle = CircleView(context, dotsRadius, dotsColor) | ||
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| val params = LinearLayout.LayoutParams((2 * dotsRadius), 2 * dotsRadius) | ||
| params.leftMargin = dotsDist | ||
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| setVerticalGravity(Gravity.BOTTOM) | ||
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| addView(firstCircle) | ||
| addView(secondCircle, params) | ||
| addView(thirdCircle, params) | ||
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| val loaderView = this | ||
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| viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener { | ||
| override fun onGlobalLayout() { | ||
| startLoading() | ||
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| val vto = loaderView.viewTreeObserver | ||
| vto.removeOnGlobalLayoutListener(this) | ||
| } | ||
| }) | ||
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| } | ||
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| private fun startLoading() { | ||
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| val trans1Anim = getTranslateAnim() | ||
| firstCircle.startAnimation(trans1Anim) | ||
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| val trans2Anim = getTranslateAnim() | ||
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| Handler().postDelayed({ | ||
| secondCircle.startAnimation(trans2Anim) | ||
| }, firstDelayDuration.toLong()) | ||
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| val trans3Anim = getTranslateAnim() | ||
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| Handler().postDelayed({ | ||
| thirdCircle.startAnimation(trans3Anim) | ||
| }, secondDelayDuration.toLong()) | ||
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| trans3Anim.setAnimationListener(object : Animation.AnimationListener { | ||
| override fun onAnimationRepeat(animation: Animation?) { | ||
| } | ||
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| override fun onAnimationEnd(animation: Animation?) { | ||
| startLoading() | ||
| } | ||
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| override fun onAnimationStart(animation: Animation) { | ||
| } | ||
| }) | ||
| } | ||
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| private fun getTranslateAnim(): TranslateAnimation { | ||
| val transAnim = TranslateAnimation(0f, 0f, 0f, (-(4 * dotsRadius).toFloat())) | ||
| transAnim.duration = animDuration.toLong() | ||
| transAnim.fillAfter = true | ||
| transAnim.repeatCount = 1 | ||
| transAnim.repeatMode = Animation.REVERSE | ||
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| return transAnim | ||
| } | ||
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| var dotsRadius: Int = 30 | ||
| get() = field | ||
| set(value) { | ||
| field = value | ||
| initView() | ||
| } | ||
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| var dotsDist: Int = 15 | ||
| get() = field | ||
| set(value) { | ||
| field = value | ||
| initView() | ||
| } | ||
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| var dotsColor: Int = resources.getColor(R.color.loader_defalut, null) | ||
| get() = field | ||
| set(value) { | ||
| field = value | ||
| initView() | ||
| } | ||
| } |
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