Java tutorial
/* * Copyright 2013 Inmite s.r.o. (www.inmite.eu). * * 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 com.eu.inmite.android.lib.dialogs; import android.app.Dialog; import android.content.Context; import android.content.res.ColorStateList; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.drawable.ColorDrawable; import android.graphics.drawable.Drawable; import android.graphics.drawable.StateListDrawable; import android.os.Build; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.Button; import android.widget.FrameLayout; import android.widget.LinearLayout; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.TextView; import com.xiaolong.xiaofanzhuo_xiaolonginfo.R; /** * Base dialog fragment for all your dialogs, stylable and same design on Android 2.2+. * * @author David Vvra (david@inmite.eu) */ public abstract class BaseDialogFragment extends DialogFragment { @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Dialog dialog = new Dialog(getActivity(), R.style.SDL_Dialog); // custom dialog background final TypedArray a = getActivity().getTheme().obtainStyledAttributes(null, R.styleable.DialogStyle, R.attr.sdlDialogStyle, 0); Drawable dialogBackground = a.getDrawable(R.styleable.DialogStyle_dialogBackground); a.recycle(); dialog.getWindow().setBackgroundDrawable(dialogBackground); return dialog; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Builder builder = new Builder(this, getActivity(), inflater, container); return build(builder).create(); } protected abstract Builder build(Builder initialBuilder); @Override public void onDestroyView() { // bug in the compatibility library if (getDialog() != null && getRetainInstance()) { getDialog().setDismissMessage(null); } super.onDestroyView(); } /** * @return the positive button if specified and the view is created, null otherwise */ protected Button getPositiveButton() { if (getView() != null) { return (Button) getView().findViewById(R.id.sdl__positive_button); } else { return null; } } /** * @return the negative button if specified and the view is created, null otherwise */ protected Button getNegativeButton() { if (getView() != null) { return (Button) getView().findViewById(R.id.sdl__negative_button); } else { return null; } } /** * @return the neutral button if specified and the view is created, null otherwise */ protected Button getNeutralButton() { if (getView() != null) { return (Button) getView().findViewById(R.id.sdl__neutral_button); } else { return null; } } /** * Custom dialog builder */ protected static class Builder { private final DialogFragment mDialogFragment; private final Context mContext; private final ViewGroup mContainer; private final LayoutInflater mInflater; private CharSequence mTitle = null; private CharSequence mPositiveButtonText; private View.OnClickListener mPositiveButtonListener; private CharSequence mNegativeButtonText; private View.OnClickListener mNegativeButtonListener; private CharSequence mNeutralButtonText; private View.OnClickListener mNeutralButtonListener; private CharSequence mMessage; private View mView; private boolean mViewSpacingSpecified; private int mViewSpacingLeft; private int mViewSpacingTop; private int mViewSpacingRight; private int mViewSpacingBottom; private ListAdapter mListAdapter; private int mListCheckedItemIdx; private AdapterView.OnItemClickListener mOnItemClickListener; /** * Styling: * */ private int mTitleTextColor; private int mTitleSeparatorColor; private int mMessageTextColor; private ColorStateList mButtonTextColor; private int mButtonSeparatorColor; private int mButtonBackgroundColorNormal; private int mButtonBackgroundColorPressed; private int mButtonBackgroundColorFocused; public Builder(DialogFragment dialogFragment, Context context, LayoutInflater inflater, ViewGroup container) { this.mDialogFragment = dialogFragment; this.mContext = context; this.mContainer = container; this.mInflater = inflater; } public Builder setTitle(int titleId) { this.mTitle = mContext.getText(titleId); return this; } public Builder setTitle(CharSequence title) { this.mTitle = title; return this; } public Builder setPositiveButton(int textId, final View.OnClickListener listener) { mPositiveButtonText = mContext.getText(textId); mPositiveButtonListener = listener; return this; } public Builder setPositiveButton(CharSequence text, final View.OnClickListener listener) { mPositiveButtonText = text; mPositiveButtonListener = listener; return this; } public Builder setNegativeButton(int textId, final View.OnClickListener listener) { mNegativeButtonText = mContext.getText(textId); mNegativeButtonListener = listener; return this; } public Builder setNegativeButton(CharSequence text, final View.OnClickListener listener) { mNegativeButtonText = text; mNegativeButtonListener = listener; return this; } public Builder setNeutralButton(int textId, final View.OnClickListener listener) { mNeutralButtonText = mContext.getText(textId); mNeutralButtonListener = listener; return this; } public Builder setNeutralButton(CharSequence text, final View.OnClickListener listener) { mNeutralButtonText = text; mNeutralButtonListener = listener; return this; } public Builder setMessage(int messageId) { mMessage = mContext.getText(messageId); return this; } public Builder setMessage(CharSequence message) { mMessage = message; return this; } /** * Set list * * @param listAdapter * @param checkedItemIdx Item check by default, -1 if no item should be checked * @param listener * @return */ public Builder setItems(ListAdapter listAdapter, int checkedItemIdx, final AdapterView.OnItemClickListener listener) { mListAdapter = listAdapter; mOnItemClickListener = listener; mListCheckedItemIdx = checkedItemIdx; return this; } public Builder setView(View view) { mView = view; mViewSpacingSpecified = false; return this; } public Builder setView(View view, int viewSpacingLeft, int viewSpacingTop, int viewSpacingRight, int viewSpacingBottom) { mView = view; mViewSpacingSpecified = true; mViewSpacingLeft = viewSpacingLeft; mViewSpacingTop = viewSpacingTop; mViewSpacingRight = viewSpacingRight; mViewSpacingBottom = viewSpacingBottom; return this; } public View create() { final Resources res = mContext.getResources(); final int defaultTitleTextColor = res.getColor(R.color.sdl_title_text_dark); final int defaultTitleSeparatorColor = res.getColor(R.color.sdl_title_separator_dark); final int defaultMessageTextColor = res.getColor(R.color.sdl_message_text_dark); final ColorStateList defaultButtonTextColor = res.getColorStateList(R.color.sdl_button_text_dark); final int defaultButtonSeparatorColor = res.getColor(R.color.sdl_button_separator_dark); final int defaultButtonBackgroundColorNormal = res.getColor(R.color.sdl_button_normal_dark); final int defaultButtonBackgroundColorPressed = res.getColor(R.color.sdl_button_pressed_dark); final int defaultButtonBackgroundColorFocused = res.getColor(R.color.sdl_button_focused_dark); final TypedArray a = mContext.getTheme().obtainStyledAttributes(null, R.styleable.DialogStyle, R.attr.sdlDialogStyle, 0); mTitleTextColor = a.getColor(R.styleable.DialogStyle_titleTextColor, defaultTitleTextColor); mTitleSeparatorColor = a.getColor(R.styleable.DialogStyle_titleSeparatorColor, defaultTitleSeparatorColor); mMessageTextColor = a.getColor(R.styleable.DialogStyle_messageTextColor, defaultMessageTextColor); mButtonTextColor = a.getColorStateList(R.styleable.DialogStyle_buttonTextColor); if (mButtonTextColor == null) { mButtonTextColor = defaultButtonTextColor; } mButtonSeparatorColor = a.getColor(R.styleable.DialogStyle_buttonSeparatorColor, defaultButtonSeparatorColor); mButtonBackgroundColorNormal = a.getColor(R.styleable.DialogStyle_buttonBackgroundColorNormal, defaultButtonBackgroundColorNormal); mButtonBackgroundColorPressed = a.getColor(R.styleable.DialogStyle_buttonBackgroundColorPressed, defaultButtonBackgroundColorPressed); mButtonBackgroundColorFocused = a.getColor(R.styleable.DialogStyle_buttonBackgroundColorFocused, defaultButtonBackgroundColorFocused); a.recycle(); View v = getDialogLayoutAndInitTitle(); LinearLayout content = (LinearLayout) v.findViewById(R.id.sdl__content); if (mMessage != null) { View viewMessage = mInflater.inflate(R.layout.dialog_part_message, content, false); TextView tvMessage = (TextView) viewMessage.findViewById(R.id.sdl__message); tvMessage.setText(mMessage); tvMessage.setTextColor(mMessageTextColor); content.addView(viewMessage); } if (mView != null) { FrameLayout customPanel = (FrameLayout) mInflater.inflate(R.layout.dialog_part_custom, content, false); FrameLayout custom = (FrameLayout) customPanel.findViewById(R.id.sdl__custom); custom.addView(mView, new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); if (mViewSpacingSpecified) { custom.setPadding(mViewSpacingLeft, mViewSpacingTop, mViewSpacingRight, mViewSpacingBottom); } content.addView(customPanel); } if (mListAdapter != null) { ListView list = (ListView) mInflater.inflate(R.layout.dialog_part_list, content, false); list.setAdapter(mListAdapter); list.setOnItemClickListener(mOnItemClickListener); if (mListCheckedItemIdx != -1) { list.setSelection(mListCheckedItemIdx); } content.addView(list); } addButtons(content); return v; } private View getDialogLayoutAndInitTitle() { View v = mInflater.inflate(R.layout.dialog_part_title, mContainer, false); TextView tvTitle = (TextView) v.findViewById(R.id.sdl__title); View viewTitleDivider = v.findViewById(R.id.sdl__titleDivider); if (mTitle != null) { tvTitle.setText(mTitle); tvTitle.setTextColor(mTitleTextColor); viewTitleDivider.setBackgroundDrawable(new ColorDrawable(mTitleSeparatorColor)); } else { tvTitle.setVisibility(View.GONE); viewTitleDivider.setVisibility(View.GONE); } return v; } private void addButtons(LinearLayout llListDialog) { if (mNegativeButtonText != null || mNeutralButtonText != null || mPositiveButtonText != null) { View viewButtonPanel = mInflater.inflate(R.layout.dialog_part_button_panel, llListDialog, false); LinearLayout llButtonPanel = (LinearLayout) viewButtonPanel.findViewById(R.id.dialog_button_panel); viewButtonPanel.findViewById(R.id.dialog_horizontal_separator) .setBackgroundDrawable(new ColorDrawable(mButtonSeparatorColor)); boolean addDivider = false; if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) { addDivider = addPositiveButton(llButtonPanel, addDivider); } else { addDivider = addNegativeButton(llButtonPanel, addDivider); } addDivider = addNeutralButton(llButtonPanel, addDivider); if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) { addNegativeButton(llButtonPanel, addDivider); } else { addPositiveButton(llButtonPanel, addDivider); } llListDialog.addView(viewButtonPanel); } } private boolean addNegativeButton(ViewGroup parent, boolean addDivider) { if (mNegativeButtonText != null) { if (addDivider) { addDivider(parent); } Button btn = (Button) mInflater.inflate(R.layout.dialog_part_button, parent, false); btn.setId(R.id.sdl__negative_button); btn.setText(mNegativeButtonText); btn.setTextColor(mButtonTextColor); btn.setBackgroundDrawable(getButtonBackground()); btn.setOnClickListener(mNegativeButtonListener); parent.addView(btn); return true; } return addDivider; } private boolean addPositiveButton(ViewGroup parent, boolean addDivider) { if (mPositiveButtonText != null) { if (addDivider) { addDivider(parent); } Button btn = (Button) mInflater.inflate(R.layout.dialog_part_button, parent, false); btn.setId(R.id.sdl__positive_button); btn.setText(mPositiveButtonText); btn.setTextColor(mButtonTextColor); btn.setBackgroundDrawable(getButtonBackground()); btn.setOnClickListener(mPositiveButtonListener); parent.addView(btn); return true; } return addDivider; } private boolean addNeutralButton(ViewGroup parent, boolean addDivider) { if (mNeutralButtonText != null) { if (addDivider) { addDivider(parent); } Button btn = (Button) mInflater.inflate(R.layout.dialog_part_button, parent, false); btn.setId(R.id.sdl__neutral_button); btn.setText(mNeutralButtonText); btn.setTextColor(mButtonTextColor); btn.setBackgroundDrawable(getButtonBackground()); btn.setOnClickListener(mNeutralButtonListener); parent.addView(btn); return true; } return addDivider; } private void addDivider(ViewGroup parent) { View view = mInflater.inflate(R.layout.dialog_part_button_separator, parent, false); view.findViewById(R.id.dialog_button_separator) .setBackgroundDrawable(new ColorDrawable(mButtonSeparatorColor)); parent.addView(view); } private StateListDrawable getButtonBackground() { int[] pressedState = { android.R.attr.state_pressed }; int[] focusedState = { android.R.attr.state_focused }; int[] defaultState = { android.R.attr.state_enabled }; ColorDrawable colorDefault = new ColorDrawable(mButtonBackgroundColorNormal); ColorDrawable colorPressed = new ColorDrawable(mButtonBackgroundColorPressed); ColorDrawable colorFocused = new ColorDrawable(mButtonBackgroundColorFocused); StateListDrawable background = new StateListDrawable(); background.addState(pressedState, colorPressed); background.addState(focusedState, colorFocused); background.addState(defaultState, colorDefault); return background; } } }