| /* |
| * Copyright (C) 2011 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. |
| */ |
| |
| package com.example.android.supportv4.app; |
| |
| import com.example.android.supportv4.R; |
| |
| import android.support.v4.app.DialogFragment; |
| import android.support.v4.app.Fragment; |
| import android.support.v4.app.FragmentActivity; |
| import android.support.v4.app.FragmentTransaction; |
| |
| import android.os.Bundle; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewGroup; |
| import android.widget.Button; |
| import android.widget.TextView; |
| |
| public class FragmentDialogSupport extends FragmentActivity { |
| int mStackLevel = 0; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.fragment_dialog); |
| |
| View tv = findViewById(R.id.text); |
| ((TextView)tv).setText("Example of displaying dialogs with a DialogFragment. " |
| + "Press the show button below to see the first dialog; pressing " |
| + "successive show buttons will display other dialog styles as a " |
| + "stack, with dismissing or back going to the previous dialog."); |
| |
| // Watch for button clicks. |
| Button button = (Button)findViewById(R.id.show); |
| button.setOnClickListener(new OnClickListener() { |
| public void onClick(View v) { |
| showDialog(); |
| } |
| }); |
| |
| if (savedInstanceState != null) { |
| mStackLevel = savedInstanceState.getInt("level"); |
| } |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt("level", mStackLevel); |
| } |
| |
| //BEGIN_INCLUDE(add_dialog) |
| void showDialog() { |
| mStackLevel++; |
| |
| // DialogFragment.show() will take care of adding the fragment |
| // in a transaction. We also want to remove any currently showing |
| // dialog, so make our own transaction and take care of that here. |
| FragmentTransaction ft = getSupportFragmentManager().beginTransaction(); |
| Fragment prev = getSupportFragmentManager().findFragmentByTag("dialog"); |
| if (prev != null) { |
| ft.remove(prev); |
| } |
| ft.addToBackStack(null); |
| |
| // Create and show the dialog. |
| DialogFragment newFragment = MyDialogFragment.newInstance(mStackLevel); |
| newFragment.show(ft, "dialog"); |
| } |
| //END_INCLUDE(add_dialog) |
| |
| static String getNameForNum(int num) { |
| switch ((num-1)%6) { |
| case 1: return "STYLE_NO_TITLE"; |
| case 2: return "STYLE_NO_FRAME"; |
| case 3: return "STYLE_NO_INPUT (this window can't receive input, so " |
| + "you will need to press the bottom show button)"; |
| case 4: return "STYLE_NORMAL with dark fullscreen theme"; |
| case 5: return "STYLE_NORMAL with light theme"; |
| case 6: return "STYLE_NO_TITLE with light theme"; |
| case 7: return "STYLE_NO_FRAME with light theme"; |
| case 8: return "STYLE_NORMAL with light fullscreen theme"; |
| } |
| return "STYLE_NORMAL"; |
| } |
| |
| //BEGIN_INCLUDE(dialog) |
| public static class MyDialogFragment extends DialogFragment { |
| int mNum; |
| |
| /** |
| * Create a new instance of MyDialogFragment, providing "num" |
| * as an argument. |
| */ |
| static MyDialogFragment newInstance(int num) { |
| MyDialogFragment f = new MyDialogFragment(); |
| |
| // Supply num input as an argument. |
| Bundle args = new Bundle(); |
| args.putInt("num", num); |
| f.setArguments(args); |
| |
| return f; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| mNum = getArguments().getInt("num"); |
| |
| // Pick a style based on the num. |
| int style = DialogFragment.STYLE_NORMAL, theme = 0; |
| switch ((mNum-1)%6) { |
| case 1: style = DialogFragment.STYLE_NO_TITLE; break; |
| case 2: style = DialogFragment.STYLE_NO_FRAME; break; |
| case 3: style = DialogFragment.STYLE_NO_INPUT; break; |
| case 4: style = DialogFragment.STYLE_NORMAL; break; |
| case 5: style = DialogFragment.STYLE_NO_TITLE; break; |
| case 6: style = DialogFragment.STYLE_NO_FRAME; break; |
| case 7: style = DialogFragment.STYLE_NORMAL; break; |
| } |
| switch ((mNum-1)%6) { |
| case 2: theme = android.R.style.Theme_Panel; break; |
| case 4: theme = android.R.style.Theme; break; |
| case 5: theme = android.R.style.Theme_Light; break; |
| case 6: theme = android.R.style.Theme_Light_Panel; break; |
| case 7: theme = android.R.style.Theme_Light; break; |
| } |
| setStyle(style, theme); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| View v = inflater.inflate(R.layout.fragment_dialog, container, false); |
| View tv = v.findViewById(R.id.text); |
| ((TextView)tv).setText("Dialog #" + mNum + ": using style " |
| + getNameForNum(mNum)); |
| |
| // Watch for button clicks. |
| Button button = (Button)v.findViewById(R.id.show); |
| button.setOnClickListener(new OnClickListener() { |
| public void onClick(View v) { |
| // When button is clicked, call up to owning activity. |
| ((FragmentDialogSupport)getActivity()).showDialog(); |
| } |
| }); |
| |
| return v; |
| } |
| } |
| //END_INCLUDE(dialog) |
| } |