/
TopSheetDialog.java
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/
TopSheetDialog.java
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package com.github.techisfun.android.topsheet;
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.FrameLayout;
import com.google.android.material.bottomsheet.BottomSheetBehavior;
import androidx.annotation.LayoutRes;
import androidx.annotation.NonNull;
import androidx.annotation.StyleRes;
import androidx.appcompat.app.AppCompatDialog;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
/**
* Created by andrea on 23/08/16.
*/
public class TopSheetDialog extends AppCompatDialog {
private TopSheetBehavior<FrameLayout> topSheetBehavior;
public TopSheetDialog(@NonNull Context context) {
super(context, getThemeResId(context, 0));
supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
}
public TopSheetDialog(@NonNull Context context, @StyleRes int theme) {
super(context, getThemeResId(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);
}
protected TopSheetDialog(@NonNull Context context, boolean cancelable,
OnCancelListener cancelListener) {
super(context, cancelable, cancelListener);
supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
}
@Override
public void setContentView(@LayoutRes int layoutResId) {
super.setContentView(wrapInTopSheet(layoutResId, null, null));
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setLayout(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
@Override
public void setContentView(View view) {
super.setContentView(wrapInTopSheet(0, view, null));
}
@Override
public void setContentView(View view, ViewGroup.LayoutParams params) {
super.setContentView(wrapInTopSheet(0, view, params));
}
private View wrapInTopSheet(int layoutResId, View view, ViewGroup.LayoutParams params) {
final CoordinatorLayout coordinator = (CoordinatorLayout) View.inflate(getContext(),
R.layout.top_sheet_dialog, null);
if (layoutResId != 0 && view == null) {
view = getLayoutInflater().inflate(layoutResId, coordinator, false);
}
FrameLayout topSheet = (FrameLayout) coordinator.findViewById(R.id.design_top_sheet);
topSheetBehavior = TopSheetBehavior.from(topSheet);
topSheetBehavior.setTopSheetCallback(mTopSheetCallback);
if (params == null) {
topSheet.addView(view);
} else {
topSheet.addView(view, params);
}
// We treat the CoordinatorLayout as outside the dialog though it is technically inside
if (shouldWindowCloseOnTouchOutside()) {
coordinator.findViewById(R.id.top_sheet_touch_outside).setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
if (isShowing()) {
cancel();
}
}
});
}
return coordinator;
}
private boolean shouldWindowCloseOnTouchOutside() {
if (true) {
return true;
}
if (Build.VERSION.SDK_INT < 11) {
return true;
}
TypedValue value = new TypedValue();
//noinspection SimplifiableIfStatement
if (getContext().getTheme()
.resolveAttribute(android.R.attr.windowCloseOnTouchOutside, value, true)) {
return value.data != 0;
}
return false;
}
@Override
public void show() {
super.show();
//topSheetBehavior.setState(TopSheetBehavior.STATE_EXPANDED);
}
private static int getThemeResId(Context context, int themeId) {
if (themeId == 0) {
// If the provided theme is 0, then retrieve the dialogTheme from our theme
TypedValue outValue = new TypedValue();
if (context.getTheme().resolveAttribute(
R.attr.bottomSheetDialogTheme, outValue, true)) {
themeId = outValue.resourceId;
} else {
// bottomSheetDialogTheme is not provided; we default to our light theme
themeId = R.style.Theme_Design_TopSheetDialog;
}
}
return themeId;
}
private final TopSheetBehavior.TopSheetCallback mTopSheetCallback
= new TopSheetBehavior.TopSheetCallback() {
@Override
public void onStateChanged(@NonNull View topSheet,
@BottomSheetBehavior.State int newState) {
if (newState == TopSheetBehavior.STATE_HIDDEN) {
dismiss();
}
}
@Override
public void onSlide(@NonNull View topSheet, float slideOffset) {
}
};
}