Update sdk.atree and samples/browseable for lastest samples release
Synced to developers/samples/android commit 97b2cfe5ba6d8fa8daaf3273141b321b5fe9e910. Change-Id: I360cfa147e71dd519b841df41b4e878f86b9b27b
This commit is contained in:
Trevor Johns
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.wearable.gridviewpager;
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import android.app.Fragment;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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public class CustomFragment extends Fragment {
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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return inflater.inflate(R.layout.custom_fragment, container, false);
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}
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}
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.wearable.gridviewpager;
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import android.app.Activity;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.support.wearable.view.DotsPageIndicator;
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import android.support.wearable.view.GridViewPager;
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import android.view.View;
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import android.view.View.OnApplyWindowInsetsListener;
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import android.view.WindowInsets;
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public class MainActivity extends Activity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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final Resources res = getResources();
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final GridViewPager pager = (GridViewPager) findViewById(R.id.pager);
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pager.setOnApplyWindowInsetsListener(new OnApplyWindowInsetsListener() {
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@Override
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public WindowInsets onApplyWindowInsets(View v, WindowInsets insets) {
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// Adjust page margins:
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// A little extra horizontal spacing between pages looks a bit
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// less crowded on a round display.
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final boolean round = insets.isRound();
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int rowMargin = res.getDimensionPixelOffset(R.dimen.page_row_margin);
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int colMargin = res.getDimensionPixelOffset(round ?
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R.dimen.page_column_margin_round : R.dimen.page_column_margin);
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pager.setPageMargins(rowMargin, colMargin);
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// GridViewPager relies on insets to properly handle
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// layout for round displays. They must be explicitly
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// applied since this listener has taken them over.
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pager.onApplyWindowInsets(insets);
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return insets;
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}
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});
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pager.setAdapter(new SampleGridPagerAdapter(this, getFragmentManager()));
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DotsPageIndicator dotsPageIndicator = (DotsPageIndicator) findViewById(R.id.page_indicator);
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dotsPageIndicator.setPager(pager);
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}
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}
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@@ -0,0 +1,198 @@
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.wearable.gridviewpager;
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import android.app.Fragment;
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import android.app.FragmentManager;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Point;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.TransitionDrawable;
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import android.os.AsyncTask;
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import android.support.v4.util.LruCache;
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import android.support.wearable.view.CardFragment;
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import android.support.wearable.view.FragmentGridPagerAdapter;
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import android.support.wearable.view.GridPagerAdapter;
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import android.util.Log;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Constructs fragments as requested by the GridViewPager. For each row a different background is
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* provided.
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* <p>
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* Always avoid loading resources from the main thread. In this sample, the background images are
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* loaded from an background task and then updated using {@link #notifyRowBackgroundChanged(int)}
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* and {@link #notifyPageBackgroundChanged(int, int)}.
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*/
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public class SampleGridPagerAdapter extends FragmentGridPagerAdapter {
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private static final int TRANSITION_DURATION_MILLIS = 100;
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private final Context mContext;
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private List<Row> mRows;
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private ColorDrawable mDefaultBg;
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private ColorDrawable mClearBg;
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public SampleGridPagerAdapter(Context ctx, FragmentManager fm) {
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super(fm);
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mContext = ctx;
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mRows = new ArrayList<SampleGridPagerAdapter.Row>();
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mRows.add(new Row(cardFragment(R.string.welcome_title, R.string.welcome_text)));
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mRows.add(new Row(cardFragment(R.string.about_title, R.string.about_text)));
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mRows.add(new Row(
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cardFragment(R.string.cards_title, R.string.cards_text),
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cardFragment(R.string.expansion_title, R.string.expansion_text)));
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mRows.add(new Row(
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cardFragment(R.string.backgrounds_title, R.string.backgrounds_text),
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cardFragment(R.string.columns_title, R.string.columns_text)));
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mRows.add(new Row(new CustomFragment()));
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mRows.add(new Row(cardFragment(R.string.dismiss_title, R.string.dismiss_text)));
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mDefaultBg = new ColorDrawable(R.color.dark_grey);
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mClearBg = new ColorDrawable(android.R.color.transparent);
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}
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LruCache<Integer, Drawable> mRowBackgrounds = new LruCache<Integer, Drawable>(3) {
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@Override
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protected Drawable create(final Integer row) {
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int resid = BG_IMAGES[row % BG_IMAGES.length];
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new DrawableLoadingTask(mContext) {
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@Override
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protected void onPostExecute(Drawable result) {
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TransitionDrawable background = new TransitionDrawable(new Drawable[] {
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mDefaultBg,
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result
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});
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mRowBackgrounds.put(row, background);
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notifyRowBackgroundChanged(row);
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background.startTransition(TRANSITION_DURATION_MILLIS);
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}
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}.execute(resid);
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return mDefaultBg;
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}
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};
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LruCache<Point, Drawable> mPageBackgrounds = new LruCache<Point, Drawable>(3) {
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@Override
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protected Drawable create(final Point page) {
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// place bugdroid as the background at row 2, column 1
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if (page.y == 2 && page.x == 1) {
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int resid = R.drawable.bugdroid_large;
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new DrawableLoadingTask(mContext) {
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@Override
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protected void onPostExecute(Drawable result) {
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TransitionDrawable background = new TransitionDrawable(new Drawable[] {
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mClearBg,
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result
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});
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mPageBackgrounds.put(page, background);
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notifyPageBackgroundChanged(page.y, page.x);
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background.startTransition(TRANSITION_DURATION_MILLIS);
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}
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}.execute(resid);
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}
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return GridPagerAdapter.BACKGROUND_NONE;
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}
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};
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private Fragment cardFragment(int titleRes, int textRes) {
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Resources res = mContext.getResources();
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CardFragment fragment =
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CardFragment.create(res.getText(titleRes), res.getText(textRes));
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// Add some extra bottom margin to leave room for the page indicator
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fragment.setCardMarginBottom(
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res.getDimensionPixelSize(R.dimen.card_margin_bottom));
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return fragment;
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}
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static final int[] BG_IMAGES = new int[] {
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R.drawable.debug_background_1,
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R.drawable.debug_background_2,
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R.drawable.debug_background_3,
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R.drawable.debug_background_4,
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R.drawable.debug_background_5
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};
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/** A convenient container for a row of fragments. */
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private class Row {
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final List<Fragment> columns = new ArrayList<Fragment>();
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public Row(Fragment... fragments) {
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for (Fragment f : fragments) {
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add(f);
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}
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}
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public void add(Fragment f) {
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columns.add(f);
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}
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Fragment getColumn(int i) {
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return columns.get(i);
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}
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public int getColumnCount() {
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return columns.size();
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}
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}
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@Override
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public Fragment getFragment(int row, int col) {
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Row adapterRow = mRows.get(row);
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return adapterRow.getColumn(col);
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}
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@Override
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public Drawable getBackgroundForRow(final int row) {
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return mRowBackgrounds.get(row);
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}
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@Override
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public Drawable getBackgroundForPage(final int row, final int column) {
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return mPageBackgrounds.get(new Point(column, row));
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}
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@Override
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public int getRowCount() {
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return mRows.size();
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}
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@Override
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public int getColumnCount(int rowNum) {
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return mRows.get(rowNum).getColumnCount();
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}
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class DrawableLoadingTask extends AsyncTask<Integer, Void, Drawable> {
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private static final String TAG = "Loader";
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private Context context;
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DrawableLoadingTask(Context context) {
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this.context = context;
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}
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@Override
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protected Drawable doInBackground(Integer... params) {
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Log.d(TAG, "Loading asset 0x" + Integer.toHexString(params[0]));
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return context.getResources().getDrawable(params[0]);
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}
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}
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}
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