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Added content descriptions to imagebuttons and imageviews

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This commit is contained in:
daniel oeh 2014-02-14 14:26:55 +01:00
parent 65c1130980
commit f4da9674cc
27 changed files with 124 additions and 20 deletions
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5
res/layout-land/audioplayer_activity.xml
View File

@ -26,6 +26,7 @@
<ImageButton
android:id="@+id/butNavLeft"
android:contentDescription="@string/show_shownotes_label"
android:layout_width="60dp"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
@ -34,6 +35,7 @@
<ImageButton
android:id="@+id/butNavRight"
android:contentDescription="@string/show_chapters_label"
android:layout_width="60dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
@ -89,6 +91,7 @@
<ImageButton
android:id="@+id/butPlay"
android:contentDescription="@string/pause_label"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
@ -97,6 +100,7 @@
<ImageButton
android:id="@+id/butRev"
android:contentDescription="@string/rewind_label"
android:layout_width="60dp"
android:layout_height="match_parent"
android:layout_toLeftOf="@id/butPlay"
@ -105,6 +109,7 @@
<ImageButton
android:id="@+id/butFF"
android:contentDescription="@string/fast_forward_label"
android:layout_width="60dp"
android:layout_height="match_parent"
android:layout_toRightOf="@id/butPlay"

1
res/layout-land/videoplayer_activity.xml
View File

@ -20,6 +20,7 @@
<ImageButton
android:id="@+id/butPlay"
android:contentDescription="@string/pause_label"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_gravity="center"

1
res/layout-v14/directory_chooser.xml
View File

@ -56,6 +56,7 @@
<ImageButton
android:id="@+id/butNavUp"
android:contentDescription="@string/navigate_upwards_label"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_alignParentLeft="true"

6
res/layout/audioplayer_activity.xml
View File

@ -13,6 +13,7 @@
<ImageButton
android:id="@+id/butNavLeft"
android:contentDescription="@string/show_shownotes_label"
android:layout_width="60dp"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
@ -21,6 +22,7 @@
<ImageButton
android:id="@+id/butNavRight"
android:contentDescription="@string/show_chapters_label"
android:layout_width="60dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
@ -76,6 +78,7 @@
<ImageButton
android:id="@+id/butPlay"
android:contentDescription="@string/pause_label"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
@ -84,6 +87,7 @@
<ImageButton
android:id="@+id/butRev"
android:contentDescription="@string/rewind_label"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_toLeftOf="@id/butPlay"
@ -92,6 +96,7 @@
<ImageButton
android:id="@+id/butFF"
android:contentDescription="@string/fast_forward_label"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_toRightOf="@id/butPlay"
@ -100,6 +105,7 @@
<Button
android:id="@+id/butPlaybackSpeed"
android:contentDescription="@string/set_playback_speed_label"
android:layout_width="80dp"
android:layout_height="match_parent"
android:layout_toRightOf="@id/butFF"

1
res/layout/cover_fragment.xml
View File

@ -7,6 +7,7 @@
<ImageView
android:id="@+id/imgvCover"
android:contentDescription="@string/cover_label"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"

6
res/layout/default_feeditemlist_item.xml
View File

@ -1,6 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="0dip"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="1"
android:paddingLeft="4dp" >
@ -31,7 +32,8 @@
android:layout_width="@dimen/enc_icons_size"
android:layout_height="@dimen/enc_icons_size"
android:layout_below="@id/txtvPublished"
android:padding="2dp" />
android:padding="2dp"
tools:ignore="ContentDescription"/>
<TextView
android:id="@+id/txtvLenSize"

1
res/layout/directory_chooser.xml
View File

@ -34,6 +34,7 @@
<ImageButton
android:id="@+id/butNavUp"
android:contentDescription="@string/navigate_upwards_label"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_alignParentLeft="true"

9
res/layout/external_itemlist_item.xml
View File

@ -1,10 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ImageView
android:id="@+id/imgvFeedimage"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/thumbnail_length_itemlist"
android:layout_height="@dimen/thumbnail_length_itemlist"
android:layout_alignParentLeft="true"
@ -12,6 +14,7 @@
<ImageButton
android:id="@+id/butAction"
android:contentDescription="@string/butAction_label"
android:layout_width="48dp"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
@ -83,7 +86,8 @@
android:layout_height="@dimen/enc_icons_size"
android:layout_alignParentRight="true"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp" />
android:layout_marginRight="8dp"
tools:ignore="ContentDescription"/>
<ProgressBar
android:id="@+id/pbar_episode_progress"
@ -97,6 +101,7 @@
<ImageView
android:id="@+id/statusPlaying"
android:contentDescription="@string/status_playing_label"
android:layout_width="@dimen/status_indicator_width"
android:layout_height="18dp"
android:layout_alignParentRight="true"

2
res/layout/external_player_fragment.xml
View File

@ -24,6 +24,7 @@
<ImageView
android:id="@+id/imgvCover"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/external_player_height"
android:layout_height="@dimen/external_player_height"
android:layout_alignParentLeft="true"
@ -76,6 +77,7 @@
<ImageButton
android:id="@+id/butPlay"
android:contentDescription="@string/pause_label"
android:layout_width="@dimen/external_player_height"
android:layout_height="@dimen/external_player_height"
android:background="?attr/borderless_button" />

1
res/layout/feedinfo.xml
View File

@ -12,6 +12,7 @@
<ImageView
android:id="@+id/imgvCover"
android:contentDescription="@string/cover_label"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_alignParentLeft="true"

1
res/layout/feeditemlist_header.xml
View File

@ -27,6 +27,7 @@
<ImageButton
android:id="@+id/butAction"
android:contentDescription="@string/butAction_label"
android:layout_width="48dp"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"

12
res/layout/feeditemlist_item.xml
View File

@ -1,6 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="0dip"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="1"
android:paddingLeft="4dp" >
@ -45,10 +46,12 @@
android:layout_height="@dimen/enc_icons_size"
android:layout_below="@id/txtvPublished"
android:layout_toLeftOf="@+id/imgvInPlaylist"
android:padding="2dp" />
android:padding="2dp"
tools:ignore="ContentDescription"/>
<ImageView
android:id="@id/imgvInPlaylist"
android:contentDescription="@string/in_queue_label"
android:layout_width="@dimen/enc_icons_size"
android:layout_height="@dimen/enc_icons_size"
android:layout_below="@id/txtvPublished"
@ -59,6 +62,7 @@
<ImageView
android:id="@id/imgvDownloaded"
android:contentDescription="@string/status_downloaded_label"
android:layout_width="@dimen/enc_icons_size"
android:layout_height="@dimen/enc_icons_size"
android:layout_below="@id/txtvPublished"
@ -69,6 +73,7 @@
<ImageView
android:id="@id/imgvDownloading"
android:contentDescription="@string/downloading_label"
android:layout_width="@dimen/enc_icons_size"
android:layout_height="@dimen/enc_icons_size"
android:layout_below="@id/txtvPublished"
@ -102,6 +107,7 @@
<ImageButton
android:id="@id/butAction"
android:contentDescription="@string/butAction_label"
android:layout_width="48dp"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
@ -118,6 +124,7 @@
<TextView
android:id="@+id/statusUnread"
android:contentDescription="@string/status_unread_label"
android:layout_width="wrap_content"
android:layout_height="18dp"
android:layout_alignParentRight="true"
@ -134,6 +141,7 @@
<ImageView
android:id="@+id/statusPlaying"
android:contentDescription="@string/status_playing_label"
android:layout_width="@dimen/status_indicator_width"
android:layout_height="18dp"
android:layout_alignParentRight="true"

12
res/layout/feedlist_item.xml
View File

@ -1,11 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingRight="8dp" >
<ImageView
android:id="@+id/imgvFeedimage"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/thumbnail_length"
android:layout_height="@dimen/thumbnail_length"
android:layout_alignParentLeft="true"
@ -25,6 +27,7 @@
<RelativeLayout
android:id="@+id/lNewStatusLabel"
android:contentDescription="@string/new_episodes_count_label"
android:layout_width="@dimen/status_indicator_width"
android:layout_height="0dip"
android:layout_marginBottom="8dp"
@ -38,7 +41,8 @@
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="4dp"
android:src="@drawable/white_circle" />
android:src="@drawable/white_circle"
tools:ignore="ContentDescription"/>
<TextView
android:id="@+id/txtvNewEps"
@ -57,6 +61,7 @@
<RelativeLayout
android:id="@+id/lProgressStatusLabel"
android:contentDescription="@string/in_progress_episodes_count_label"
android:layout_width="@dimen/status_indicator_width"
android:layout_height="0dip"
android:layout_marginBottom="8dp"
@ -84,7 +89,8 @@
android:layout_centerVertical="true"
android:layout_marginRight="2dp"
android:layout_marginLeft="2dp"
android:src="@drawable/av_play_dark" />
android:src="@drawable/av_play_dark"
tools:ignore="ContentDescription"/>
</RelativeLayout>
</LinearLayout>

10
res/layout/feedlist_item_grid.xml
View File

@ -1,10 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/imgvFeedimage"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/thumbnail_length"
android:layout_height="@dimen/thumbnail_length"
android:layout_alignParentTop="true"
@ -25,6 +27,7 @@
<RelativeLayout
android:id="@+id/lNewStatusLabel"
android:contentDescription="@string/new_episodes_count_label"
android:layout_width="@dimen/status_indicator_width"
android:layout_height="0dip"
android:layout_marginBottom="8dp"
@ -38,7 +41,8 @@
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="4dp"
android:src="@drawable/white_circle"/>
android:src="@drawable/white_circle"
tools:ignore="ContentDescription"/>
<TextView
android:id="@+id/txtvNewEps"
@ -57,6 +61,7 @@
<RelativeLayout
android:id="@+id/lProgressStatusLabel"
android:contentDescription="@string/in_progress_episodes_count_label"
android:layout_width="@dimen/status_indicator_width"
android:layout_height="0dip"
android:layout_marginBottom="8dp"
@ -84,7 +89,8 @@
android:layout_centerVertical="true"
android:layout_marginLeft="2dp"
android:layout_marginRight="2dp"
android:src="@drawable/av_play_dark"/>
android:src="@drawable/av_play_dark"
tools:ignore="ContentDescription"/>
</RelativeLayout>
</LinearLayout>

1
res/layout/gpodnet_podcast_listitem.xml
View File

@ -5,6 +5,7 @@
android:layout_height="match_parent">
<ImageView
android:id="@+id/imgvCover"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/thumbnail_length_itemlist"
android:layout_height="@dimen/thumbnail_length_itemlist"
android:layout_alignParentLeft="true"

1
res/layout/onlinefeedview_header.xml
View File

@ -6,6 +6,7 @@
<ImageView
android:id="@+id/imgvCover"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/thumbnail_length_onlinefeedview"
android:layout_height="@dimen/thumbnail_length_onlinefeedview"
android:layout_alignParentLeft="true"

1
res/layout/organize_queue_listitem.xml
View File

@ -5,6 +5,7 @@
<ImageView
android:id="@+id/imgvFeedimage"
android:contentDescription="@string/cover_label"
android:layout_width="@dimen/thumbnail_length_itemlist"
android:layout_height="@dimen/thumbnail_length_itemlist"
android:layout_alignParentLeft="true"

1
res/layout/player_widget.xml
View File

@ -11,6 +11,7 @@
<ImageButton
android:id="@+id/butPlay"
android:contentDescription="@string/play_label"
android:layout_width="56dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"

1
res/layout/searchlist_item.xml
View File

@ -6,6 +6,7 @@
<ImageView
android:id="@+id/imgvFeedimage"
android:contentDescription="@string/cover_label"
android:layout_width="55dip"
android:layout_height="55dip"
android:layout_alignParentLeft="true"

1
res/layout/storage_error.xml
View File

@ -5,6 +5,7 @@
<ImageView
android:id="@+id/imageView1"
android:contentDescription="@string/external_storage_error_msg"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_centerHorizontal="true"

18
res/values/strings.xml
View File

@ -319,4 +319,22 @@
<string name="subscribe_label">Subscribe</string>
<string name="subscribed_label">Subscribed</string>
<string name="downloading_label">Downloading...</string>
<!-- Content descriptions for image buttons -->
<string name="show_chapters_label">Show chapters</string>
<string name="show_shownotes_label">Show shownotes</string>
<string name="show_cover_label">Show cover</string>
<string name="rewind_label">Rewind</string>
<string name="fast_forward_label">Fast forward</string>
<string name="media_type_audio_label">Audio</string>
<string name="media_type_video_label">Video</string>
<string name="navigate_upwards_label">Navigate upwards</string>
<string name="butAction_label">More actions</string>
<string name="status_playing_label">Episode is being played</string>
<string name="status_downloading_label">Episode is being downloaded</string>
<string name="status_downloaded_label">Episode is downloaded</string>
<string name="status_unread_label">Item is new</string>
<string name="in_queue_label">Episode is in the queue</string>
<string name="new_episodes_count_label">Number of new episodes</string>
<string name="in_progress_episodes_count_label">Number of episodes you have started listening to</string>
</resources>

16
src/de/danoeh/antennapod/activity/AudioplayerActivity.java
View File

@ -322,7 +322,11 @@ public class AudioplayerActivity extends MediaplayerActivity {
}
private void updateNavButtonDrawable() {
TypedArray drawables = obtainStyledAttributes(new int[]{
final int[] buttonTexts = new int[] {R.string.show_shownotes_label,
R.string.show_chapters_label, R.string.show_cover_label};
final TypedArray drawables = obtainStyledAttributes(new int[]{
R.attr.navigation_shownotes, R.attr.navigation_chapters});
final Playable media = controller.getMedia();
if (butNavLeft != null && butNavRight != null && media != null) {
@ -330,7 +334,11 @@ public class AudioplayerActivity extends MediaplayerActivity {
case POS_COVER:
butNavLeft.setScaleType(ScaleType.CENTER);
butNavLeft.setImageDrawable(drawables.getDrawable(0));
butNavLeft.setContentDescription(getString(buttonTexts[0]));
butNavRight.setImageDrawable(drawables.getDrawable(1));
butNavRight.setContentDescription(getString(buttonTexts[1]));
break;
case POS_DESCR:
butNavLeft.setScaleType(ScaleType.CENTER_CROP);
@ -342,7 +350,10 @@ public class AudioplayerActivity extends MediaplayerActivity {
butNavLeft);
}
});
butNavLeft.setContentDescription(getString(buttonTexts[2]));
butNavRight.setImageDrawable(drawables.getDrawable(1));
butNavRight.setContentDescription(getString(buttonTexts[1]));
break;
case POS_CHAPTERS:
butNavLeft.setScaleType(ScaleType.CENTER_CROP);
@ -354,7 +365,10 @@ public class AudioplayerActivity extends MediaplayerActivity {
butNavLeft);
}
});
butNavLeft.setContentDescription(getString(buttonTexts[2]));
butNavRight.setImageDrawable(drawables.getDrawable(0));
butNavRight.setContentDescription(getString(buttonTexts[0]));
break;
}
}

4
src/de/danoeh/antennapod/adapter/DefaultFeedItemlistAdapter.java
View File

@ -91,10 +91,12 @@ public class DefaultFeedItemlistAdapter extends BaseAdapter {
MediaType mediaType = item.getMedia().getMediaType();
if (mediaType == MediaType.AUDIO) {
holder.type.setImageDrawable(typeDrawables.getDrawable(0));
holder.type.setContentDescription(context.getString(R.string.media_type_audio_label));
holder.type.setVisibility(View.VISIBLE);
} else if (mediaType == MediaType.VIDEO) {
holder.type.setImageDrawable(typeDrawables.getDrawable(1));
holder.type.setVisibility(View.VISIBLE);
holder.type.setContentDescription(context.getString(R.string.media_type_video_label));
holder.type.setVisibility(View.VISIBLE);
} else {
holder.type.setImageBitmap(null);
holder.type.setVisibility(View.GONE);

3
src/de/danoeh/antennapod/adapter/ExternalEpisodesListAdapter.java
View File

@ -148,12 +148,14 @@ public class ExternalEpisodesListAdapter extends BaseExpandableListAdapter {
TypedArray drawables = context.obtainStyledAttributes(new int[] {
R.attr.av_download, R.attr.navigation_refresh });
final int[] labels = new int[] {R.string.status_downloaded_label, R.string.downloading_label};
holder.lenSize.setVisibility(View.VISIBLE);
if (!media.isDownloaded()) {
if (DownloadRequester.getInstance().isDownloadingFile(media)) {
holder.downloadStatus.setVisibility(View.VISIBLE);
holder.downloadStatus.setImageDrawable(drawables
.getDrawable(1));
holder.downloadStatus.setContentDescription(context.getString(labels[1]));
} else {
holder.downloadStatus.setVisibility(View.INVISIBLE);
}
@ -161,6 +163,7 @@ public class ExternalEpisodesListAdapter extends BaseExpandableListAdapter {
holder.downloadStatus.setVisibility(View.VISIBLE);
holder.downloadStatus
.setImageDrawable(drawables.getDrawable(0));
holder.downloadStatus.setContentDescription(context.getString(labels[0]));
}
} else {
holder.downloadStatus.setVisibility(View.INVISIBLE);

4
src/de/danoeh/antennapod/adapter/InternalFeedItemlistAdapter.java
View File

@ -176,12 +176,16 @@ public class InternalFeedItemlistAdapter extends DefaultFeedItemlistAdapter {
TypedArray typeDrawables = getContext().obtainStyledAttributes(
new int[] { R.attr.type_audio, R.attr.type_video });
final int[] labels = new int[] {R.string.media_type_audio_label, R.string.media_type_video_label};
MediaType mediaType = item.getMedia().getMediaType();
if (mediaType == MediaType.AUDIO) {
holder.type.setImageDrawable(typeDrawables.getDrawable(0));
holder.type.setContentDescription(getContext().getString(labels[0]));
holder.type.setVisibility(View.VISIBLE);
} else if (mediaType == MediaType.VIDEO) {
holder.type.setImageDrawable(typeDrawables.getDrawable(1));
holder.type.setContentDescription(getContext().getString(labels[1]));
holder.type.setVisibility(View.VISIBLE);
} else {
holder.type.setImageBitmap(null);

7
src/de/danoeh/antennapod/service/playback/PlayerWidgetService.java
View File

@ -6,6 +6,7 @@ import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Build;
import android.os.IBinder;
import android.util.Log;
import android.view.KeyEvent;
@ -97,8 +98,14 @@ public class PlayerWidgetService extends Service {
views.setTextViewText(R.id.txtvProgress, progressString);
}
views.setImageViewResource(R.id.butPlay, R.drawable.av_pause_dark);
if (Build.VERSION.SDK_INT >= 15) {
views.setContentDescription(R.id.butPlay, getString(R.string.pause_label));
}
} else {
views.setImageViewResource(R.id.butPlay, R.drawable.av_play_dark);
if (Build.VERSION.SDK_INT >= 15) {
views.setContentDescription(R.id.butPlay, getString(R.string.play_label));
}
}
views.setOnClickPendingIntent(R.id.butPlay,
createMediaButtonIntent());

18
src/de/danoeh/antennapod/util/playback/PlaybackController.java
View File

@ -397,6 +397,9 @@ public abstract class PlaybackController {
private void handleStatus() {
final int playResource;
final int pauseResource;
final CharSequence playText = activity.getString(R.string.play_label);
final CharSequence pauseText = activity.getString(R.string.pause_label);
if (PlaybackService.getCurrentMediaType() == MediaType.AUDIO) {
TypedArray res = activity.obtainStyledAttributes(new int[]{
R.attr.av_play, R.attr.av_pause});
@ -418,7 +421,7 @@ public abstract class PlaybackController {
clearStatusMsg();
checkMediaInfoLoaded();
cancelPositionObserver();
updatePlayButtonAppearance(playResource);
updatePlayButtonAppearance(playResource, playText);
break;
case PLAYING:
clearStatusMsg();
@ -427,16 +430,16 @@ public abstract class PlaybackController {
onAwaitingVideoSurface();
}
setupPositionObserver();
updatePlayButtonAppearance(pauseResource);
updatePlayButtonAppearance(pauseResource, pauseText);
break;
case PREPARING:
postStatusMsg(R.string.player_preparing_msg);
checkMediaInfoLoaded();
if (playbackService != null) {
if (playbackService.isStartWhenPrepared()) {
updatePlayButtonAppearance(pauseResource);
updatePlayButtonAppearance(pauseResource, pauseText);
} else {
updatePlayButtonAppearance(playResource);
updatePlayButtonAppearance(playResource, playText);
}
}
break;
@ -446,7 +449,7 @@ public abstract class PlaybackController {
case PREPARED:
checkMediaInfoLoaded();
postStatusMsg(R.string.player_ready_msg);
updatePlayButtonAppearance(playResource);
updatePlayButtonAppearance(playResource, playText);
break;
case SEEKING:
postStatusMsg(R.string.player_seeking_msg);
@ -454,7 +457,7 @@ public abstract class PlaybackController {
case INITIALIZED:
checkMediaInfoLoaded();
clearStatusMsg();
updatePlayButtonAppearance(playResource);
updatePlayButtonAppearance(playResource, playText);
break;
}
}
@ -463,9 +466,10 @@ public abstract class PlaybackController {
mediaInfoLoaded = (mediaInfoLoaded || loadMediaInfo());
}
private void updatePlayButtonAppearance(int resource) {
private void updatePlayButtonAppearance(int resource, CharSequence contentDescription) {
ImageButton butPlay = getPlayButton();
butPlay.setImageResource(resource);
butPlay.setContentDescription(contentDescription);
}
public abstract ImageButton getPlayButton();