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* Remove requirement of a inner fragment 🎉 * Fix some is always expanded issue
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André Sousa
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Oct 20, 2018
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208 changes: 208 additions & 0 deletions
208
lib/src/main/java/com/andrefrsousa/superbottomsheet/SuperBottomSheetDialog.kt
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| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2018 André Sousa | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| package com.andrefrsousa.superbottomsheet | ||
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| import android.annotation.SuppressLint | ||
| import android.content.Context | ||
| import android.content.DialogInterface.OnCancelListener | ||
| import android.os.Build | ||
| import android.os.Bundle | ||
| import android.support.annotation.LayoutRes | ||
| import android.support.design.widget.BottomSheetBehavior | ||
| import android.support.design.widget.BottomSheetBehavior.BottomSheetCallback | ||
| import android.support.design.widget.BottomSheetBehavior.State | ||
| import android.support.design.widget.CoordinatorLayout | ||
| import android.support.v4.view.AccessibilityDelegateCompat | ||
| import android.support.v4.view.ViewCompat | ||
| import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat | ||
| import android.support.v7.app.AppCompatDialog | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import android.view.Window | ||
| import android.view.WindowManager | ||
| import android.widget.FrameLayout | ||
|
|
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| internal class SuperBottomSheetDialog : AppCompatDialog { | ||
|
|
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| private lateinit var behavior: BottomSheetBehavior<FrameLayout> | ||
|
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| private var mCancelable = true | ||
| private var mCanceledOnTouchOutside = true | ||
| private var mCanceledOnTouchOutsideSet: Boolean = false | ||
|
|
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| constructor(context: Context?) : this(context, 0) | ||
|
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| constructor(context: Context?, theme: Int) : super(context, theme) { | ||
| // We hide the title bar for any style configuration. Otherwise, there will be a gap | ||
| // above the bottom sheet when it is expanded. | ||
| supportRequestWindowFeature(Window.FEATURE_NO_TITLE) | ||
| } | ||
|
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| constructor(context: Context?, cancelable: Boolean, cancelListener: OnCancelListener?) : super(context, cancelable, cancelListener) { | ||
| supportRequestWindowFeature(Window.FEATURE_NO_TITLE) | ||
| mCancelable = cancelable | ||
| } | ||
|
|
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| override fun setContentView(@LayoutRes layoutResId: Int) { | ||
| super.setContentView(wrapInBottomSheet(layoutResId, null, null)) | ||
| } | ||
|
|
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
|
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| window.runIfNotNull { | ||
| if (hasMinimumSdk(Build.VERSION_CODES.LOLLIPOP)) { | ||
| clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) | ||
| addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) | ||
| } | ||
|
|
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| setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT) | ||
| } | ||
| } | ||
|
|
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| override fun setContentView(view: View) { | ||
| super.setContentView(wrapInBottomSheet(0, view, null)) | ||
| } | ||
|
|
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| override fun setContentView(view: View, params: ViewGroup.LayoutParams?) { | ||
| super.setContentView(wrapInBottomSheet(0, view, params)) | ||
| } | ||
|
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| override fun setCancelable(cancelable: Boolean) { | ||
| super.setCancelable(cancelable) | ||
|
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| if (mCancelable != cancelable) { | ||
| mCancelable = cancelable | ||
|
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| if (::behavior.isInitialized) { | ||
| behavior.isHideable = cancelable | ||
| } | ||
| } | ||
| } | ||
|
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| override fun onStart() { | ||
| super.onStart() | ||
|
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| if (::behavior.isInitialized) { | ||
| behavior.state = BottomSheetBehavior.STATE_COLLAPSED | ||
| } | ||
| } | ||
|
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| override fun setCanceledOnTouchOutside(cancel: Boolean) { | ||
| super.setCanceledOnTouchOutside(cancel) | ||
|
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| if (cancel && !mCancelable) { | ||
| mCancelable = true | ||
| } | ||
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| mCanceledOnTouchOutside = cancel | ||
| mCanceledOnTouchOutsideSet = true | ||
| } | ||
|
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| @SuppressLint("ClickableViewAccessibility") | ||
| private fun wrapInBottomSheet(layoutResId: Int, view: View?, params: ViewGroup.LayoutParams?): View { | ||
| var supportView = view | ||
|
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| val container = View.inflate(context, R.layout.super_bottom_sheet_dialog, null) | ||
| val coordinator = container.findViewById<CoordinatorLayout>(R.id.coordinator) | ||
|
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| if (layoutResId != 0 && supportView == null) { | ||
| supportView = layoutInflater.inflate(layoutResId, coordinator, false) | ||
| } | ||
|
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| val bottomSheet = coordinator.findViewById<FrameLayout>(R.id.super_bottom_sheet) | ||
| behavior = BottomSheetBehavior.from(bottomSheet) | ||
| behavior.setBottomSheetCallback(mBottomSheetCallback) | ||
| behavior.isHideable = mCancelable | ||
|
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| if (params == null) { | ||
| bottomSheet.addView(supportView) | ||
|
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| } else { | ||
| bottomSheet.addView(supportView, params) | ||
| } | ||
|
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| // We treat the CoordinatorLayout as outside the dialog though it is technically inside | ||
| coordinator.findViewById<View>(R.id.touch_outside).setOnClickListener { | ||
| if (mCancelable && isShowing && shouldWindowCloseOnTouchOutside()) { | ||
| cancel() | ||
| } | ||
| } | ||
|
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| // Handle accessibility events | ||
| ViewCompat.setAccessibilityDelegate(bottomSheet, object : AccessibilityDelegateCompat() { | ||
|
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| override fun onInitializeAccessibilityNodeInfo(host: View, info: AccessibilityNodeInfoCompat) { | ||
| super.onInitializeAccessibilityNodeInfo(host, info) | ||
| if (mCancelable) { | ||
| info.addAction(AccessibilityNodeInfoCompat.ACTION_DISMISS) | ||
| info.isDismissable = true | ||
| } else { | ||
| info.isDismissable = false | ||
| } | ||
| } | ||
|
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| override fun performAccessibilityAction(host: View, action: Int, args: Bundle): Boolean { | ||
| if (action == AccessibilityNodeInfoCompat.ACTION_DISMISS && mCancelable) { | ||
| cancel() | ||
| return true | ||
| } | ||
| return super.performAccessibilityAction(host, action, args) | ||
| } | ||
| }) | ||
|
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| bottomSheet.setOnTouchListener { _, _ -> | ||
| // Consume the event and prevent it from falling through | ||
| true | ||
| } | ||
| return container | ||
| } | ||
|
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| private fun shouldWindowCloseOnTouchOutside(): Boolean { | ||
| if (!mCanceledOnTouchOutsideSet) { | ||
| if (hasMinimumSdk(Build.VERSION_CODES.HONEYCOMB)) { | ||
| mCanceledOnTouchOutside = true | ||
|
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| } else { | ||
| val typedArray = context.obtainStyledAttributes(intArrayOf(android.R.attr.windowCloseOnTouchOutside)) | ||
| mCanceledOnTouchOutside = typedArray.getBoolean(0, true) | ||
| typedArray.recycle() | ||
| } | ||
|
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| mCanceledOnTouchOutsideSet = true | ||
| } | ||
|
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| return mCanceledOnTouchOutside | ||
| } | ||
|
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| private val mBottomSheetCallback = object : BottomSheetCallback() { | ||
| override fun onStateChanged(bottomSheet: View, @State newState: Int) { | ||
| if (newState == BottomSheetBehavior.STATE_HIDDEN) { | ||
| cancel() | ||
| } | ||
| } | ||
|
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| override fun onSlide(bottomSheet: View, slideOffset: Float) {} | ||
| } | ||
| } |
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