Java tutorial
/* * Copyright (C) 2014 Freddie (Musenkishi) Lust-Hed * * 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.bitants.wally.fragments; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Color; import android.graphics.drawable.ColorDrawable; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.util.TypedValue; import android.view.View; import android.view.ViewStub; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.ScrollView; import android.widget.TextView; import com.musenkishi.wally.R; /** * A dialog matching the Material Design specified in the preview documents. * * Created by Freddie (Musenkishi) Lust-Hed on 2014-09-23. */ public class MaterialDialogFragment extends DialogFragment { public static final String TAG = "MaterialDialogFragment"; private static final String STATE_PRIMARY_COLOR = TAG + ".state.primaryColor"; private static final String STATE_BUTTON_POSITIVE_TEXT_ID = TAG + ".state.button.positive.textId"; private static final String STATE_BUTTON_NEGATIVE_TEXT_ID = TAG + ".state.button.negative.textId"; private static final String STATE_TITLE_TEXT_ID = TAG + ".state.title.textId"; private static final String STATE_TITLE_TEXT_STRING = TAG + ".state.title.textString"; private static final String STATE_LAYOUT_RES_ID = TAG + ".state.layout.resId"; private static final String STATE_MESSAGE_TEXT_ID = TAG + ".state.message.resId"; private static final String STATE_MESSAGE_TEXT_STRING = TAG + ".state.message.resString"; private int primaryColor; private Button buttonPositive; private Button buttonNegative; private int positiveButtonTextResourceId; private int negativeButtonTextResourceId; private DialogInterface.OnClickListener positiveButtonOnClickListener; private DialogInterface.OnClickListener negativeButtonOnClickListener; private TextView textViewTitle; private int titleResourceId; private String titleString; private ScrollView scrollView; private int layoutResourceId; private ViewStub viewStub; private String message; private int messageResourceId; public MaterialDialogFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); if (savedInstanceState != null) { if (savedInstanceState.containsKey(STATE_PRIMARY_COLOR)) { primaryColor = savedInstanceState.getInt(STATE_PRIMARY_COLOR); } if (savedInstanceState.containsKey(STATE_BUTTON_POSITIVE_TEXT_ID)) { positiveButtonTextResourceId = savedInstanceState.getInt(STATE_BUTTON_POSITIVE_TEXT_ID); } if (savedInstanceState.containsKey(STATE_BUTTON_NEGATIVE_TEXT_ID)) { negativeButtonTextResourceId = savedInstanceState.getInt(STATE_BUTTON_NEGATIVE_TEXT_ID); } if (savedInstanceState.containsKey(STATE_TITLE_TEXT_ID)) { titleResourceId = savedInstanceState.getInt(STATE_TITLE_TEXT_ID); } if (savedInstanceState.containsKey(STATE_TITLE_TEXT_STRING)) { titleString = savedInstanceState.getString(STATE_TITLE_TEXT_STRING); } if (savedInstanceState.containsKey(STATE_LAYOUT_RES_ID)) { layoutResourceId = savedInstanceState.getInt(STATE_LAYOUT_RES_ID); } if (savedInstanceState.containsKey(STATE_MESSAGE_TEXT_ID)) { messageResourceId = savedInstanceState.getInt(STATE_MESSAGE_TEXT_ID); } if (savedInstanceState.containsKey(STATE_MESSAGE_TEXT_STRING)) { message = savedInstanceState.getString(STATE_MESSAGE_TEXT_STRING); } } } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { if (getActivity() != null) { final Dialog dialog = new Dialog(getActivity(), android.support.v7.appcompat.R.style.Base_Theme_AppCompat_Light_Dialog); // android.R.style.Theme_DeviceDefault_Light_Dialog); dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE); dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT)); dialog.setContentView(R.layout.dialog_base_material); textViewTitle = (TextView) dialog.findViewById(R.id.dialog_title); buttonNegative = (Button) dialog.findViewById(R.id.dialog_button_negative); buttonPositive = (Button) dialog.findViewById(R.id.dialog_button_positive); scrollView = (ScrollView) dialog.findViewById(R.id.dialog_scrollview); viewStub = (ViewStub) dialog.findViewById(R.id.dialog_viewstub); setupViews(dialog.getContext()); hideEmptyViews(); if (!isCancelable()) { buttonNegative.setVisibility(View.GONE); } return dialog; } else { return null; } } @Override public void onSaveInstanceState(Bundle outState) { if (primaryColor != 0) { outState.putInt(STATE_PRIMARY_COLOR, primaryColor); } if (positiveButtonTextResourceId != 0) { outState.putInt(STATE_BUTTON_POSITIVE_TEXT_ID, positiveButtonTextResourceId); } if (negativeButtonTextResourceId != 0) { outState.putInt(STATE_BUTTON_NEGATIVE_TEXT_ID, negativeButtonTextResourceId); } if (titleResourceId != 0) { outState.putInt(STATE_TITLE_TEXT_ID, titleResourceId); } if (titleString != null) { outState.putString(STATE_TITLE_TEXT_STRING, titleString); } if (layoutResourceId != 0) { outState.putInt(STATE_LAYOUT_RES_ID, layoutResourceId); } if (messageResourceId != 0) { outState.putInt(STATE_MESSAGE_TEXT_ID, messageResourceId); } if (message != null) { outState.putString(STATE_MESSAGE_TEXT_STRING, message); } super.onSaveInstanceState(outState); } @Override public void onDestroyView() { if (getDialog() != null && getRetainInstance()) getDialog().setDismissMessage(null); super.onDestroyView(); } public void setContentView(int layoutResourceId) { this.layoutResourceId = layoutResourceId; } public void setPositiveButton(int textResourceId, DialogInterface.OnClickListener onClickListener) { this.positiveButtonTextResourceId = textResourceId; this.positiveButtonOnClickListener = onClickListener; } public void setNegativeButton(int textResourceId, DialogInterface.OnClickListener onClickListener) { this.negativeButtonTextResourceId = textResourceId; this.negativeButtonOnClickListener = onClickListener; } public void setTitle(int titleResourceId) { this.titleResourceId = titleResourceId; } public void setTitle(String title) { this.titleString = title; } public void setMessage(String message) { this.message = message; } public void setMessage(int stringResourceId) { this.messageResourceId = stringResourceId; } public void setPrimaryColor(int color) { this.primaryColor = color; } public int getPrimaryColor() { return primaryColor; } /** * Prepare views to be hidden if they don't have any content. */ private void hideEmptyViews() { if (titleResourceId == 0 && titleString == null) { textViewTitle.setVisibility(View.GONE); } if (layoutResourceId == 0 && message == null && messageResourceId == 0) { scrollView.setVisibility(View.GONE); } } protected void setupViews(Context context) { if (titleResourceId != 0) { textViewTitle.setText(titleResourceId); } else if (titleString != null) { textViewTitle.setText(titleString); } if (primaryColor != 0) { buttonPositive.setTextColor(primaryColor); } if (positiveButtonTextResourceId != 0) { buttonPositive.setText(positiveButtonTextResourceId); } if (negativeButtonTextResourceId != 0) { buttonNegative.setText(negativeButtonTextResourceId); } buttonNegative.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (negativeButtonOnClickListener != null) { negativeButtonOnClickListener.onClick(null, 1); } dismiss(); } }); buttonPositive.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (positiveButtonOnClickListener != null) { positiveButtonOnClickListener.onClick(null, 0); } dismiss(); } }); if (layoutResourceId != 0) { viewStub.setLayoutResource(layoutResourceId); viewStub.inflate(); } else if (message != null || messageResourceId != 0) { TextView textView = new TextView(context); if (messageResourceId != 0) { textView.setText(messageResourceId); } else { textView.setText(message); } textView.setTextColor(getResources().getColor(R.color.Black_Light)); textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16); textView.setLineSpacing(1f, 1.2f); scrollView.removeAllViews(); scrollView.addView(textView); } } }