问题
I'm trying to get @+id/trackname and @+id/artist_and_album to use the marquee setting in the following layout but they won't scroll. I also tried using setSelected(true) and setFocusable(true) in the actual Activity but that didn't work. Here is a picture of the layout:
and the XML:
<LinearLayout
android:id="@+id/player_actionbar"
android:layout_width="fill_parent"
android:layout_height="48dip"
android:layout_alignParentTop="true"
android:gravity="center_vertical"
android:orientation="horizontal" >
<ImageButton
android:id="@+id/close"
android:layout_width="56dip"
android:layout_height="fill_parent"
android:padding="4dip"
android:scaleType="centerInside"
android:background="@drawable/bg_actionbar_item"
android:src="@drawable/icn_close" />
<View
android:layout_width="1dip"
android:layout_height="26dip"
android:background="#ff444444" />
<TextView
android:id="@+id/actionbar_title"
android:layout_width="0dip"
android:layout_height="fill_parent"
android:layout_weight="1"
android:textSize="18sp"
android:textColor="#ffffffff"
android:ellipsize="marquee"
android:gravity="center_vertical"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:singleLine="true"
android:layout_marginLeft="8dip"
android:text="@string/nowplaying_title" />
<ImageButton
android:id="@+id/play_queue"
android:layout_width="56dip"
android:layout_height="fill_parent"
android:padding="4dip"
android:scaleType="centerInside"
android:background="@drawable/bg_actionbar_item"
android:src="@drawable/icn_play_queue" />
</LinearLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@+id/player_controller"
android:layout_below="@+id/player_actionbar" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/player_info"
android:padding="10dip"
android:background="@null" >
<ImageView
android:id="@+id/album_art"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@null"
android:src="@drawable/albumart_mp_unknown" />
</LinearLayout>
<LinearLayout
android:id="@+id/player_info"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginTop="10dip"
android:layout_marginLeft="12dip"
android:gravity="center_horizontal"
android:orientation="vertical" >
<TextView
android:id="@+id/track_number_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="5dip"
android:textSize="13dip"
android:textStyle="normal"
android:textColor="#ffa9a9a9"
android:singleLine="true" />
<TextView
android:id="@+id/trackname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="17dip"
android:textStyle="bold"
android:textColor="#ffffffff"
android:ellipsize="marquee"
android:singleLine="true" />
<TextView
android:id="@+id/artist_and_album"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="13dip"
android:textStyle="normal"
android:textColor="#ffa9a9a9"
android:ellipsize="marquee"
android:singleLine="true" />
</LinearLayout>
</RelativeLayout>
<LinearLayout
android:id="@+id/player_controller"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="40dip"
android:paddingLeft="12dip"
android:paddingRight="12dip"
android:gravity="center_vertical"
android:orientation="horizontal" >
<TextView
android:id="@+id/position_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingRight="6dip"
android:textSize="12dip"
android:textColor="#ffbbbbbb"
android:gravity="right" />
<SeekBar
android:id="@+id/seek_bar"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center_vertical"
android:paddingLeft="9dip"
android:paddingRight="9dip"
android:progress="0"
android:progressDrawable="@drawable/player_progress_drawable"
android:thumb="@drawable/player_progress_thumb"
android:thumbOffset="9dip"
android:maxHeight="2dip"
android:minHeight="2dip" />
<TextView
android:id="@+id/duration_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="6dip"
android:textSize="12dip"
android:textColor="#ffbbbbbb"
android:gravity="left" />
</LinearLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="60dip"
android:orientation="horizontal" >
<ImageButton
android:id="@+id/shuffle_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:paddingBottom="20dip"
android:paddingLeft="12dip"
android:paddingRight="10dip"
android:paddingTop="8dip"
android:background="@null"
android:src="@drawable/btn_player_shuffle_normal" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_toLeftOf="@+id/repeat_button"
android:layout_toRightOf="@+id/shuffle_button"
android:paddingLeft="10dip"
android:paddingRight="10dip"
android:gravity="center_vertical"
android:orientation="horizontal" >
<net.sourceforge.servestream.button.RepeatingImageButton
android:id="@+id/previous_button"
android:background="@null"
android:paddingBottom="20dip"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/btn_player_prev" />
<ImageButton
android:id="@+id/play_pause_button"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="20dip"
android:background="@null"
android:src="@drawable/btn_player_play" />
<net.sourceforge.servestream.button.RepeatingImageButton
android:id="@+id/next_button"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="20dip"
android:background="@null"
android:src="@drawable/btn_player_next" />
</LinearLayout>
<ImageButton
android:id="@+id/repeat_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:paddingBottom="20dip"
android:paddingLeft="10dip"
android:paddingRight="12dip"
android:paddingTop="8dip"
android:background="@null"
android:src="@drawable/btn_player_repeat_normal" />
</RelativeLayout>
</LinearLayout>
回答1:
I modified the layout to:
<LinearLayout
android:id="@+id/player_actionbar"
android:layout_width="fill_parent"
android:layout_height="48dip"
android:gravity="center_vertical"
android:orientation="horizontal" >
<ImageButton
android:id="@+id/close"
android:layout_width="56dip"
android:layout_height="fill_parent"
android:padding="4dip"
android:scaleType="centerInside"
android:background="@drawable/bg_actionbar_item"
android:src="@drawable/icn_close" />
<View
android:layout_width="1dip"
android:layout_height="26dip"
android:background="#ff444444" />
<TextView
android:id="@+id/actionbar_title"
android:layout_width="0dip"
android:layout_height="fill_parent"
android:layout_weight="1"
android:textSize="18sp"
android:textColor="#ffffffff"
android:ellipsize="marquee"
android:gravity="center_vertical"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:singleLine="true"
android:layout_marginLeft="8dip"
android:text="@string/nowplaying_title" />
<ImageButton
android:id="@+id/play_queue"
android:layout_width="56dip"
android:layout_height="fill_parent"
android:padding="4dip"
android:scaleType="centerInside"
android:background="@drawable/bg_actionbar_item"
android:src="@drawable/icn_play_queue" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="1"
android:padding="10dip"
android:background="@null" >
<net.sourceforge.servestream.utils.CoverView
android:id="@+id/album_art"
android:layout_height="fill_parent"
android:layout_width="fill_parent" />
</LinearLayout>
<LinearLayout
android:id="@+id/player_info"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dip"
android:gravity="center_horizontal"
android:orientation="vertical" >
<TextView
android:id="@+id/track_number_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="5dip"
android:textSize="13sp"
android:textStyle="normal"
android:textColor="#ffa9a9a9"
android:singleLine="true" />
<TextView
android:id="@+id/trackname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="17sp"
android:textStyle="bold"
android:textColor="#ffffffff"
android:ellipsize="marquee"
android:singleLine="true" />
<TextView
android:id="@+id/artist_and_album"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="13sp"
android:textStyle="normal"
android:textColor="#ffa9a9a9"
android:ellipsize="marquee"
android:singleLine="true" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/player_controller"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="40dip"
android:paddingLeft="12dip"
android:paddingRight="12dip"
android:gravity="center_vertical"
android:orientation="horizontal" >
<TextView
android:id="@+id/position_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingRight="6dip"
android:textSize="12sp"
android:textColor="#ffbbbbbb"
android:gravity="right" />
<SeekBar
android:id="@+id/seek_bar"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center_vertical"
android:paddingLeft="9dip"
android:paddingRight="9dip"
android:progress="0"
android:progressDrawable="@drawable/player_progress_drawable"
android:thumb="@drawable/player_progress_thumb"
android:thumbOffset="9dip"
android:maxHeight="2dip"
android:minHeight="2dip" />
<TextView
android:id="@+id/duration_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="6dip"
android:textSize="12sp"
android:textColor="#ffbbbbbb"
android:gravity="left" />
</LinearLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="60dip"
android:orientation="horizontal" >
<ImageButton
android:id="@+id/shuffle_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:paddingBottom="20dip"
android:paddingLeft="12dip"
android:paddingRight="10dip"
android:paddingTop="8dip"
android:background="@null"
android:src="@drawable/btn_player_shuffle_normal" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_toLeftOf="@+id/repeat_button"
android:layout_toRightOf="@+id/shuffle_button"
android:paddingLeft="10dip"
android:paddingRight="10dip"
android:gravity="center_vertical"
android:orientation="horizontal" >
<net.sourceforge.servestream.button.RepeatingImageButton
android:id="@+id/previous_button"
android:background="@null"
android:paddingBottom="20dip"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/btn_player_prev" />
<ImageButton
android:id="@+id/play_pause_button"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="20dip"
android:background="@null"
android:src="@drawable/btn_player_play" />
<net.sourceforge.servestream.button.RepeatingImageButton
android:id="@+id/next_button"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="20dip"
android:background="@null"
android:src="@drawable/btn_player_next" />
</LinearLayout>
<ImageButton
android:id="@+id/repeat_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:paddingBottom="20dip"
android:paddingLeft="10dip"
android:paddingRight="12dip"
android:paddingTop="8dip"
android:background="@null"
android:src="@drawable/btn_player_repeat_normal" />
</RelativeLayout>
</LinearLayout>
I also included the following lines in my activity:
mTrackName = (TextView) findViewById(R.id.trackname);
mTrackName.setSelected(true);
mArtistAndAlbumName = (TextView) findViewById(R.id.artist_and_album);
mArtistAndAlbumName.setSelected(true);
It appears the original layout with the nested RelativeLayout was preventing the text from scrolling.
回答2:
Separate class file:
public class TextScrolling extends TextView {
public TextScrolling(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public TextScrolling(Context context, AttributeSet attrs) {
super(context, attrs);
}
public TextScrolling(Context context) {
super(context);
}
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if(focused)
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
@Override
public void onWindowFocusChanged(boolean focused) {
if(focused)
super.onWindowFocusChanged(focused);
}
@Override
public boolean isFocused() {
return true;
}
}
And in your xml file do this:
<yourpakage name.aboveclassname
android:singleLine="true"
android:ellipsize="marquee"
android:marqueeRepeatLimit="marquee_forever"
android:scrollHorizontally="true"
android:textStyle="bold|italic"
android:id="@+id/scrolltext"
android:padding="5dip"
android:textSize="15dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
Surely this will work..Try it out..
回答3:
Here is my marquee code:
<TextView
android:id="@+id/scanCode"
android:layout_width="0dip"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_weight="1"
android:ellipsize="marquee"
android:fadingEdge="horizontal"
android:lines="1"
android:marqueeRepeatLimit="marquee_forever"
android:scrollHorizontally="true"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#ffffff" />
Also set in code:
scanCode.setEnabled(true);
scanCode.setSelected(true);
回答4:
Set focusable(true) and in code call requestFocus(); If your layout contains other view with focusable(true), you should make sure your textview has focused
回答5:
try setSelected(true) after settext
回答6:
Set in code
yourTexView.setMovementMethod(new ScrollingMovementMethod());
来源:https://stackoverflow.com/questions/13983871/marquee-textview-not-working-in-android-layout