Invinciblelee
6 years ago
parent
76f5afb11c
commit
0205abd68e
@ -0,0 +1,221 @@ |
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package io.legado.app.ui.widget.dynamiclayout |
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import android.content.Context |
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import android.graphics.drawable.Drawable |
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import android.util.AttributeSet |
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import android.view.View |
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import android.view.ViewGroup |
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import android.widget.FrameLayout |
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import android.widget.ProgressBar |
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import androidx.appcompat.widget.AppCompatButton |
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import androidx.appcompat.widget.AppCompatImageView |
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import androidx.appcompat.widget.AppCompatTextView |
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import io.legado.app.R |
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import kotlinx.android.synthetic.main.view_dynamic.view.* |
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class DynamicFrameLayout(context: Context, attrs: AttributeSet?) : FrameLayout(context, attrs), ViewSwitcher { |
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private var errorView: View? = null |
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private var errorImage: AppCompatImageView? = null |
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private var errorTextView: AppCompatTextView? = null |
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private var actionBtn: AppCompatButton? = null |
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private var progressView: View? = null |
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private var progressBar: ProgressBar? = null |
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private var contentView: View? = null |
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private var errorIcon: Drawable? = null |
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private var emptyIcon: Drawable? = null |
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private var errorActionDescription: CharSequence? = null |
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private var emptyActionDescription: CharSequence? = null |
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private var emptyDescription: CharSequence? = null |
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private var errorAction: Action? = null |
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private var emptyAction: Action? = null |
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private var changeListener: OnVisibilityChangeListener? = null |
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init { |
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View.inflate(context, R.layout.view_dynamic, this) |
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val a = context.obtainStyledAttributes(attrs, R.styleable.DynamicFrameLayout) |
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errorIcon = a.getDrawable(R.styleable.DynamicFrameLayout_errorSrc) |
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emptyIcon = a.getDrawable(R.styleable.DynamicFrameLayout_emptySrc) |
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emptyActionDescription = a.getText(R.styleable.DynamicFrameLayout_emptyActionDescription) |
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emptyDescription = a.getText(R.styleable.DynamicFrameLayout_emptyDescription) |
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errorActionDescription = a.getText(R.styleable.DynamicFrameLayout_errorActionDescription) |
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if (errorActionDescription == null) { |
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errorActionDescription = context.getString(R.string.dynamic_click_retry) |
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} |
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a.recycle() |
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} |
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override fun onFinishInflate() { |
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super.onFinishInflate() |
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if (childCount > 2) { |
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contentView = getChildAt(2) |
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} |
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} |
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override fun addView(child: View) { |
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if (childCount > 2) { |
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throw IllegalStateException("DynamicFrameLayout can host only one direct child") |
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} |
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super.addView(child) |
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} |
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override fun addView(child: View, index: Int) { |
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if (childCount > 2) { |
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throw IllegalStateException("DynamicFrameLayout can host only one direct child") |
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} |
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super.addView(child, index) |
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} |
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override fun addView(child: View, params: ViewGroup.LayoutParams) { |
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if (childCount > 2) { |
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throw IllegalStateException("DynamicFrameLayout can host only one direct child") |
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} |
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super.addView(child, params) |
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} |
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override fun addView(child: View, index: Int, params: ViewGroup.LayoutParams) { |
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if (childCount > 2) { |
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throw IllegalStateException("DynamicFrameLayout can host only one direct child") |
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} |
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super.addView(child, index, params) |
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} |
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override fun showErrorView(message: CharSequence) { |
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ensureErrorView() |
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setViewVisible(errorView, true) |
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setViewVisible(contentView, false) |
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setViewVisible(progressView, false) |
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errorTextView?.text = message |
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errorImage?.setImageDrawable(errorIcon) |
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actionBtn?.let { |
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it.tag = ACTION_WHEN_ERROR |
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it.visibility = View.VISIBLE |
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if (errorActionDescription != null) { |
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it.text = errorActionDescription |
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} |
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} |
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dispatchVisibilityChanged(ViewSwitcher.SHOW_ERROR_VIEW) |
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} |
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override fun showErrorView(messageId: Int) { |
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showErrorView(resources.getText(messageId)) |
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} |
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override fun showEmptyView() { |
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ensureErrorView() |
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setViewVisible(errorView, true) |
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setViewVisible(contentView, false) |
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setViewVisible(progressView, false) |
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errorTextView?.text = emptyDescription |
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errorImage?.setImageDrawable(emptyIcon) |
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actionBtn?.let { |
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it.tag = ACTION_WHEN_EMPTY |
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if (errorActionDescription != null) { |
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it.visibility = View.VISIBLE |
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it.text = errorActionDescription |
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} else { |
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it.visibility = View.INVISIBLE |
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} |
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} |
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dispatchVisibilityChanged(ViewSwitcher.SHOW_EMPTY_VIEW) |
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} |
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override fun showProgressView() { |
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ensureProgressView() |
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setViewVisible(errorView, false) |
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setViewVisible(contentView, false) |
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setViewVisible(progressView, true) |
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dispatchVisibilityChanged(ViewSwitcher.SHOW_PROGRESS_VIEW) |
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} |
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override fun showContentView() { |
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setViewVisible(errorView, false) |
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setViewVisible(contentView, true) |
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setViewVisible(progressView, false) |
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dispatchVisibilityChanged(ViewSwitcher.SHOW_CONTENT_VIEW) |
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} |
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fun setOnVisibilityChangeListener(listener: OnVisibilityChangeListener) { |
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changeListener = listener |
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} |
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fun setErrorAction(action: Action) { |
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errorAction = action |
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} |
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fun setEmptyAction(action: Action) { |
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emptyAction = action |
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} |
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private fun setViewVisible(view: View?, visible: Boolean) { |
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view?.let { |
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it.visibility = if (visible) View.VISIBLE else View.INVISIBLE |
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} |
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} |
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private fun ensureErrorView() { |
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if (errorView == null) { |
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errorView = errorViewStub.inflate() |
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errorImage = errorView?.findViewById(R.id.iv_error_image) |
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errorTextView = errorView?.findViewById(R.id.tv_error_message) |
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actionBtn = errorView?.findViewById(R.id.btn_error_retry) |
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actionBtn?.setOnClickListener { |
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when (it.tag) { |
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ACTION_WHEN_EMPTY -> emptyAction?.onAction(this@DynamicFrameLayout) |
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ACTION_WHEN_ERROR -> errorAction?.onAction(this@DynamicFrameLayout) |
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} |
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} |
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} |
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} |
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private fun ensureProgressView() { |
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if (progressView == null) { |
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progressView = progressViewStub.inflate() |
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progressBar = progressView?.findViewById(R.id.loading_progress) |
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} |
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} |
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private fun dispatchVisibilityChanged(@ViewSwitcher.Visibility visibility: Int) { |
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changeListener?.onVisibilityChanged(visibility) |
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} |
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interface Action { |
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fun onAction(switcher: ViewSwitcher) |
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} |
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interface OnVisibilityChangeListener { |
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fun onVisibilityChanged(@ViewSwitcher.Visibility visibility: Int) |
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} |
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companion object { |
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private const val ACTION_WHEN_ERROR = "ACTION_WHEN_ERROR" |
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private const val ACTION_WHEN_EMPTY = "ACTION_WHEN_EMPTY" |
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} |
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} |
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@ -0,0 +1,29 @@ |
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package io.legado.app.ui.widget.dynamiclayout |
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import androidx.annotation.IntDef |
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import androidx.annotation.StringRes |
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interface ViewSwitcher { |
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companion object{ |
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const val SHOW_CONTENT_VIEW = 0 |
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const val SHOW_ERROR_VIEW = 1 |
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const val SHOW_EMPTY_VIEW = 2 |
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const val SHOW_PROGRESS_VIEW = 3 |
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} |
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@Retention(AnnotationRetention.SOURCE) |
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@IntDef(SHOW_CONTENT_VIEW, SHOW_ERROR_VIEW, SHOW_EMPTY_VIEW, SHOW_PROGRESS_VIEW) |
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annotation class Visibility |
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fun showErrorView(message: CharSequence) |
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fun showErrorView(@StringRes messageId: Int) |
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fun showEmptyView() |
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fun showProgressView() |
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fun showContentView() |
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} |
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@ -0,0 +1,20 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<merge xmlns:android="http://schemas.android.com/apk/res/android" |
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android:layout_width="match_parent" |
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android:layout_height="match_parent"> |
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<ViewStub |
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android:id="@+id/errorViewStub" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:layout_gravity="center" |
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android:layout="@layout/view_error" /> |
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<ViewStub |
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android:id="@+id/progressViewStub" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:layout_gravity="center" |
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android:layout="@layout/view_loading" /> |
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</merge> |
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@ -0,0 +1,27 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:gravity="center_horizontal" |
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android:orientation="vertical"> |
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<androidx.appcompat.widget.AppCompatImageView |
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android:id="@+id/iv_error_image" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content"/> |
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<androidx.appcompat.widget.AppCompatTextView |
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android:id="@+id/tv_error_message" |
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style="@style/Style.Text.Primary.Normal" |
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android:paddingTop="16dp" |
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android:paddingBottom="16dp" /> |
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<androidx.appcompat.widget.AppCompatButton |
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android:id="@+id/btn_error_retry" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:backgroundTint="@color/colorAccent" |
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android:minWidth="96dp" |
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android:text="@string/dynamic_click_retry" /> |
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</LinearLayout> |
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@ -0,0 +1,19 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:gravity="center_horizontal" |
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android:orientation="vertical"> |
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<androidx.core.widget.ContentLoadingProgressBar |
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android:id="@+id/loading_progress" |
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android:layout_width="48dp" |
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android:layout_height="48dp" |
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style="@style/Widget.AppCompat.ProgressBar"/> |
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<androidx.appcompat.widget.AppCompatTextView |
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android:id="@+id/tv_loading_message" |
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style="@style/Style.Text.Second.Normal.Wrap" |
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android:paddingTop="16dp" |
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android:text="@string/dynamic_loading"/> |
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</LinearLayout> |
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@ -1,16 +1,8 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<com.google.android.material.appbar.AppBarLayout |
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<androidx.appcompat.widget.Toolbar |
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xmlns:android="http://schemas.android.com/apk/res/android" |
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xmlns:app="http://schemas.android.com/apk/res-auto" |
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android:id="@+id/appBar" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:theme="@style/AppTheme.AppBarOverlay"> |
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<androidx.appcompat.widget.Toolbar |
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android:id="@+id/toolbar" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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app:popupTheme="@style/AppTheme.PopupOverlay"/> |
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</com.google.android.material.appbar.AppBarLayout> |
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@ -0,0 +1,40 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<resources> |
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<declare-styleable name="TitleBar"> |
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<attr name="attachToActivity" format="boolean" /> |
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<attr name="showNavigationIcon" format="boolean" /> |
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<attr name="navigationIcon" format="reference" /> |
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<attr name="navigationContentDescription" format="reference|string" /> |
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<attr name="navigationIconTint" format="color|reference" /> |
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<attr name="navigationIconTintMode" format="enum"> |
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<enum name="clear" value="0" /> |
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<enum name="src" value="1" /> |
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<enum name="dst" value="2" /> |
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<enum name="src_over" value="3" /> |
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<enum name="dst_over" value="4" /> |
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<enum name="src_in" value="5" /> |
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<enum name="dst_in" value="6" /> |
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<enum name="src_out" value="7" /> |
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<enum name="dst_out" value="8" /> |
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<enum name="src_atop" value="9" /> |
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<enum name="dst_atop" value="10" /> |
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<enum name="xor" value="11" /> |
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<enum name="darken" value="16" /> |
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<enum name="lighten" value="17" /> |
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<enum name="multiply" value="13" /> |
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<enum name="screen" value="14" /> |
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<enum name="add" value="12" /> |
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<enum name="overlay" value="15" /> |
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</attr> |
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</declare-styleable> |
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<declare-styleable name="DynamicFrameLayout"> |
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<attr name="errorSrc" format="reference" /> |
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<attr name="emptySrc" format="reference" /> |
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<attr name="errorActionDescription" format="string|reference" /> |
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<attr name="emptyActionDescription" format="string|reference" /> |
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<attr name="emptyDescription" format="string|reference" /> |
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</declare-styleable> |
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</resources> |
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