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POSony Smartwatch - dynamically change layout (paddingLeft)
 

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  1. POSony Smartwatch - dynamically change layout (paddingLeft)
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    <p>I want to implement a running text on the watch, so that a line of text would move from the right to the left.</p> <p>The best way to do so for me would be to create a TextView with the width of the screen, set the text there with the maximum paddingLeft and then decrement the padding, so that the text (a few words) would move from the right to the left.</p> <p>So my question is: is it possible to dynamically change the attribute "paddingLeft" of the TextView?</p> <pre class="lang-xml prettyprint-override"><code>&lt;TextView android:id="@+id/scrollingText" android:layout_width="@dimen/smart_watch_2_control_width" android:layout_height="wrap_content" android:paddingRight="@dimen/smart_watch_2_control_width" android:text="Hello world!" /&gt; </code></pre> <p>Maybe something like: </p> <pre class="lang-java prettyprint-override"><code>Intent intent = new Intent(Control.Intents.CONTROL_SEND_LAYOUT_INTENT); intent.putExtra(Control.Intents.EXTRA_LAYOUT_REFERENCE, layoutReference); intent.putExtra(Control.Intents.EXTRA_PADDING_LEFT, paddingLeft); controlExtension.sendToHostApp(intent); </code></pre> <p>I am well aware, that there is neither CONTROL_SEND_LAYOUT_INTENT nor EXTRA_PADDING_LEFT in the Control.Intents, as well as of the fact, that something similar can be done with the CONTROL_PROCESS_LAYOUT_INTENT, but there is a note in the documentation:</p> <p><a href="http://developer.sonymobile.com/reference/sony-addon-sdk/com/sonyericsson/extras/liveware/aef/control/Control.Intents#CONTROL_PROCESS_LAYOUT_INTENT" rel="nofollow">Note that the extension must always send a layout covering the full screen according to the display screen size. This means that even though the extension wants to update a portion of the screen a full screen layout must be supplied anyway.</a></p> <p>So in my case I would need to create 220 equal xml-files with the only difference, that paddingLeft is set to 220, 219, 218, etc. and to set the right layout every time? It doesn't sound right for me :-)</p> <p>Another workaround would be to use ImageView instead of the TextView and convert text to the Bitmap every time on the Host and to send the update through "setImage" to the Watch, in fact I have already implemented it this way, but it's not really a high-performance solution ...</p> <p>I have also thought of sending the text with the spaces in front, like:</p> <ol> <li>"___Hello_world!"</li> <li>"__Hello_world!"</li> <li>"_Hello_world!"</li> </ol> <p>but I would like to have a greater granularity of the movement.</p> <p>So does anybody have any ideas about how to change the "paddingLeft"?</p>
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    1. USOleg Skrypnyuk
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    1. COIf it is required that XML is passed to build a layout, you could always "alter" the XML dynamically in code. Of course it would probably not be a good approach if trying to do a marque or slide ..
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    2. COAs far as I see you can only send the R.layout.layoutID through the Control.Intents.EXTRA_DATA_XML_LAYOUT. Could you tell me please, how to change the xml?
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      1. POSony Smartwatch - dynamically change layout (paddingLeft)
      1. USOleg Skrypnyuk
    3. COI could do: `LayoutInflater inflater = (LayoutInflater) context.getSystemService (Context.LAYOUT_INFLATER_SERVICE); View layout = inflater.inflate(layoutID, null); ControlViewGroup mLayout = (ControlViewGroup) parseLayout(layout); ControlView scrollingText = mLayout.findViewById(R.id.scrollingText);` but there is no "altering" functions in the `com.sonyericsson.extras.liveware.extension.util.control.ControlView`
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      1. POSony Smartwatch - dynamically change layout (paddingLeft)
      1. USOleg Skrypnyuk
 

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