1 package com.android.car.media.widgets; 2 3 import android.annotation.Nullable; 4 import android.content.Context; 5 import android.util.AttributeSet; 6 import android.view.LayoutInflater; 7 import android.widget.RelativeLayout; 8 import android.widget.SeekBar; 9 import android.widget.TextView; 10 11 import com.android.car.media.MetadataController; 12 import com.android.car.media.R; 13 import com.android.car.media.common.PlaybackModel; 14 15 /** 16 * A view that can be used to display the metadata and playback progress of a media item. 17 * This view can be styled using the "MetadataView" styleable attributes. 18 */ 19 public class MetadataView extends RelativeLayout { 20 private final MetadataController mMetadataController; 21 MetadataView(Context context)22 public MetadataView(Context context) { 23 this(context, null); 24 } 25 MetadataView(Context context, AttributeSet attrs)26 public MetadataView(Context context, AttributeSet attrs) { 27 this(context, attrs, 0); 28 } 29 MetadataView(Context context, AttributeSet attrs, int defStyleAttr)30 public MetadataView(Context context, AttributeSet attrs, int defStyleAttr) { 31 this(context, attrs, defStyleAttr, 0); 32 } 33 MetadataView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)34 public MetadataView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 35 super(context, attrs, defStyleAttr, defStyleRes); 36 LayoutInflater.from(context).inflate(R.layout.metadata_compact, this, true); 37 TextView title = findViewById(R.id.title); 38 TextView subtitle = findViewById(R.id.subtitle); 39 SeekBar seekBar = findViewById(R.id.seek_bar); 40 mMetadataController = new MetadataController(title, subtitle, null, seekBar, null); 41 } 42 43 /** 44 * Registers the {@link PlaybackModel} this widget will use to follow playback state. 45 * Consumers of this class must unregister the {@link PlaybackModel} by calling this method with 46 * null. 47 * 48 * @param model {@link PlaybackModel} to subscribe, or null to unsubscribe. 49 */ setModel(@ullable PlaybackModel model)50 public void setModel(@Nullable PlaybackModel model) { 51 mMetadataController.setModel(model); 52 } 53 54 } 55