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Merge "SupportLeanbackDemo: demo of custom theme of ImageCardView" into mnc-ub-dev

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This commit is contained in:
Dake Gu
2016-01-13 18:44:02 +00:00
committed by Android (Google) Code Review
parent c77aa4f798 cb09b7bf22
commit 5df19367bb
6 changed files with 71 additions and 43 deletions
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18
samples/SupportLeanbackDemos/res/values/styles.xml
View File

@@ -29,4 +29,22 @@
<style name="Widget.Example.Leanback.SecondStepGuidanceIconStyle" parent="Widget.Leanback.GuidanceIconStyle">
<item name="android:padding">24dp</item>
</style>
<style name="MyImageCardViewStyle" parent="Widget.Leanback.ImageCardViewStyle">
<item name="lbImageCardViewType">Title|Content|IconOnRight</item>
</style>
<style name="MyImageCardViewTitleStyleText" parent="TextAppearance.Leanback.ImageCardView.Title">
<item name="android:textColor">@android:color/holo_blue_bright</item>
</style>
<style name="MyImageCardViewTitleStyle" parent="Widget.Leanback.ImageCardView.TitleStyle">
<item name="android:textAppearance">@style/MyImageCardViewTitleStyleText</item>
</style>
<style name="MyImageCardViewTheme" parent="Theme.Leanback">
<item name="imageCardViewStyle">@style/MyImageCardViewStyle</item>
<item name="imageCardViewTitleStyle">@style/MyImageCardViewTitleStyle</item>
</style>
</resources>

13
samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseFragment.java
View File

@@ -37,15 +37,14 @@ public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragm
private static final boolean TEST_ENTRANCE_TRANSITION = true;
private static final int NUM_ROWS = 10;
// Row heights default to wrap content
private static final boolean USE_FIXED_ROW_HEIGHT = false;
private ArrayObjectAdapter mRowsAdapter;
private BackgroundHelper mBackgroundHelper = new BackgroundHelper();
// For good performance, it's important to use a single instance of
// a card presenter for all rows using that presenter.
final static CardPresenter sCardPresenter = new CardPresenter();
final CardPresenter mCardPresenter = new CardPresenter();
final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme);
@Override
public void onCreate(Bundle savedInstanceState) {
@@ -99,11 +98,6 @@ public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragm
private void setupRows() {
ListRowPresenter lrp = new ListRowPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(CardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
setAdapter(mRowsAdapter);
@@ -111,7 +105,8 @@ public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragm
private void loadData() {
for (int i = 0; i < NUM_ROWS; ++i) {
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(sCardPresenter);
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ?
mCardPresenter : mCardPresenter2);
listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
listRowAdapter.add(new PhotoItem("This is a test", "Only a test", R.drawable.gallery_photo_2));
listRowAdapter.add(new PhotoItem("Android TV", "by Google", R.drawable.gallery_photo_3));

13
samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseSupportFragment.java
View File

@@ -39,15 +39,14 @@ public class BrowseSupportFragment extends android.support.v17.leanback.app.Brow
private static final boolean TEST_ENTRANCE_TRANSITION = true;
private static final int NUM_ROWS = 10;
// Row heights default to wrap content
private static final boolean USE_FIXED_ROW_HEIGHT = false;
private ArrayObjectAdapter mRowsAdapter;
private BackgroundHelper mBackgroundHelper = new BackgroundHelper();
// For good performance, it's important to use a single instance of
// a card presenter for all rows using that presenter.
final static CardPresenter sCardPresenter = new CardPresenter();
final CardPresenter mCardPresenter = new CardPresenter();
final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme);
@Override
public void onCreate(Bundle savedInstanceState) {
@@ -101,11 +100,6 @@ public class BrowseSupportFragment extends android.support.v17.leanback.app.Brow
private void setupRows() {
ListRowPresenter lrp = new ListRowPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(CardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
setAdapter(mRowsAdapter);
@@ -113,7 +107,8 @@ public class BrowseSupportFragment extends android.support.v17.leanback.app.Brow
private void loadData() {
for (int i = 0; i < NUM_ROWS; ++i) {
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(sCardPresenter);
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ?
mCardPresenter : mCardPresenter2);
listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
listRowAdapter.add(new PhotoItem("This is a test", "Only a test", R.drawable.gallery_photo_2));
listRowAdapter.add(new PhotoItem("Android TV", "by Google", R.drawable.gallery_photo_3));

42
samples/SupportLeanbackDemos/src/com/example/android/leanback/CardPresenter.java
View File

@@ -15,11 +15,13 @@ package com.example.android.leanback;
import android.content.Context;
import android.graphics.drawable.Drawable;
import com.example.android.leanback.R;
import android.support.v17.leanback.widget.ImageCardView;
import android.support.v17.leanback.widget.Presenter;
import android.text.TextUtils;
import android.util.Log;
import android.view.ViewGroup;
import android.view.ContextThemeWrapper;
import android.view.View.MeasureSpec;
import android.view.ViewGroup.LayoutParams;
import android.widget.TextView;
@@ -32,38 +34,56 @@ public class CardPresenter extends Presenter {
private static final int IMAGE_HEIGHT_DP = 120;
private static Random sRand = new Random();
private static int sRowHeight = 0;
private static int sExpandedRowHeight = 0;
private int mRowHeight = 0;
private int mExpandedRowHeight = 0;
private static void setupRowHeights(Context context) {
if (sRowHeight == 0) {
private int mCardThemeResId;
private Context mContextThemeWrapper;
public CardPresenter(int cardThemeResId) {
mCardThemeResId = cardThemeResId;
}
public CardPresenter() {
mCardThemeResId = 0;
}
private void setupRowHeights(Context context) {
if (mRowHeight == 0) {
float density = context.getResources().getDisplayMetrics().density;
int height = (int) (IMAGE_HEIGHT_DP * density + 0.5f);
ImageCardView v = new ImageCardView(context);
v.setMainImageDimensions(LayoutParams.WRAP_CONTENT, height);
v.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
sRowHeight = v.getMeasuredHeight();
mRowHeight = v.getMeasuredHeight();
v.setActivated(true);
v.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
sExpandedRowHeight = v.getMeasuredHeight();
mExpandedRowHeight = v.getMeasuredHeight();
}
}
public static int getRowHeight(Context context) {
public int getRowHeight(Context context) {
setupRowHeights(context);
return sRowHeight;
return mRowHeight;
}
public static int getExpandedRowHeight(Context context) {
public int getExpandedRowHeight(Context context) {
setupRowHeights(context);
return sExpandedRowHeight;
return mExpandedRowHeight;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent) {
Log.d(TAG, "onCreateViewHolder");
ImageCardView v = new ImageCardView(parent.getContext());
Context context = parent.getContext();
if (mCardThemeResId != 0) {
if (mContextThemeWrapper == null) {
mContextThemeWrapper = new ContextThemeWrapper(context, mCardThemeResId);
}
context = mContextThemeWrapper;
}
ImageCardView v = new ImageCardView(context);
v.setFocusable(true);
v.setFocusableInTouchMode(true);
// Randomly makes image view crop as a square or just stretch to original

14
samples/SupportLeanbackDemos/src/com/example/android/leanback/RowsFragment.java
View File

@@ -73,17 +73,17 @@ public class RowsFragment extends android.support.v17.leanback.app.RowsFragment
private void setupRows() {
ListRowPresenter lrp = new ListRowPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(CardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
// For good performance, it's important to use a single instance of
// a card presenter for all rows using that presenter.
final CardPresenter cardPresenter = new CardPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(cardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(cardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
for (int i = 0; i < NUM_ROWS; ++i) {
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));

14
samples/SupportLeanbackDemos/src/com/example/android/leanback/RowsSupportFragment.java
View File

@@ -75,17 +75,17 @@ public class RowsSupportFragment extends android.support.v17.leanback.app.RowsSu
private void setupRows() {
ListRowPresenter lrp = new ListRowPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(CardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
// For good performance, it's important to use a single instance of
// a card presenter for all rows using that presenter.
final CardPresenter cardPresenter = new CardPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(cardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(cardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
for (int i = 0; i < NUM_ROWS; ++i) {
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));