Java tutorial
/* * Copyright 2016 "Henry Tao <hi@henrytao.me>" * * 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. */ package me.henrytao.mdcore.core; import android.content.Context; import android.content.res.ColorStateList; import android.content.res.TypedArray; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.support.annotation.NonNull; import android.support.v4.view.LayoutInflaterFactory; import android.support.v7.app.AppCompatDelegate; import android.support.v7.widget.DialogTitle; import android.text.TextUtils; import android.util.AttributeSet; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.ImageView; import android.widget.TextView; import me.henrytao.mdcore.R; import me.henrytao.mdcore.utils.Ln; import me.henrytao.mdcore.utils.Typography; import me.henrytao.mdcore.widgets.internal.MdCheckBox; import me.henrytao.mdcore.widgets.internal.MdToolbar; /** * Created by henrytao on 4/27/16. */ public class MdLayoutInflaterFactory implements LayoutInflaterFactory { private final AppCompatDelegate mDelegate; public MdLayoutInflaterFactory(@NonNull AppCompatDelegate delegate) { mDelegate = delegate; } @Override public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { Ln.d("custom | %s | %s", name, attrs.getClass().toString()); View view = onCreateCustomView(parent, name, context, attrs); onSupportView(view, parent, name, context, attrs); return view; } protected View onCreateCustomView(View parent, String name, Context context, AttributeSet attrs) { if (TextUtils.equals(name, "CheckBox")) { return new MdCheckBox(context, attrs); } else if (TextUtils.equals(name, "android.support.v7.widget.Toolbar")) { return new MdToolbar(context, attrs); } else if (TextUtils.equals(name, "android.support.v7.widget.DialogTitle")) { return new DialogTitle(context, attrs); } return mDelegate.createView(parent, name, context, attrs); } protected void onSupportView(View view, View parent, String name, Context context, AttributeSet attrs) { supportImageView(context, view instanceof ImageView ? (ImageView) view : null, attrs); supportCheckBox(context, view instanceof CheckBox ? (CheckBox) view : null, attrs); supportButton(context, view instanceof Button ? (Button) view : null, attrs); supportTypeface(context, view instanceof TextView ? (TextView) view : null, attrs); } protected void supportButton(Context context, Button button, AttributeSet attrs) { if (button == null) { return; } ColorStateList textColor; TypedArray a = context.getTheme().obtainStyledAttributes(attrs, new int[] { android.R.attr.textColor }, R.attr.buttonStyle, 0); try { textColor = MdCompat.getColorStateList(context, a.getResourceId(0, 0)); } catch (Exception ignore) { textColor = a.getColorStateList(0); } a.recycle(); if (textColor != null) { button.setTextColor(textColor); } } protected void supportCheckBox(Context context, CheckBox checkBox, AttributeSet attrs) { if (checkBox == null) { return; } Drawable drawable = null; TypedArray a = context.getTheme().obtainStyledAttributes(attrs, new int[] { R.attr.srcCompat }, 0, 0); try { int resId = a.getResourceId(0, 0); if (resId > 0) { drawable = MdVectorDrawableCompat.create(context, resId); } } catch (Exception ignore) { } a.recycle(); if (drawable != null) { checkBox.setButtonDrawable(drawable); } } protected void supportImageView(Context context, ImageView imageView, AttributeSet attrs) { if (imageView == null) { return; } boolean isEnabled = true; TypedArray a = context.getTheme().obtainStyledAttributes(attrs, new int[] { R.attr.enabled }, 0, 0); try { isEnabled = a.getBoolean(0, true); } catch (Exception ignore) { } a.recycle(); imageView.setEnabled(isEnabled); } protected void supportTypeface(Context context, TextView textView, AttributeSet attrs) { if (textView == null) { return; } Typeface typeface = Typography.getTypeface(context, attrs, textView instanceof Button ? R.attr.buttonStyle : 0, 0); typeface = typeface != null ? typeface : Typography.getDefaultTypeface(context); if (typeface != null && textView.getTypeface() != typeface) { textView.setTypeface(typeface); } } }