Set custom style to textviews inside a custom view in android


Set custom style to textviews inside a custom view in android



I have a custom view class DoubleTextView.java which looks like below,


public class DoubleTextView extends LinearLayout {
LinearLayout layout;
TextView upTextView;
TextView downTextView;
Context mContext;

public DoubleTextView(Context context) {

super(context);
mContext = context;
}

public DoubleTextView(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;


String service = Context.LAYOUT_INFLATER_SERVICE;
LayoutInflater li = (LayoutInflater) getContext().getSystemService(service);

layout = (LinearLayout) li.inflate(R.layout.custom_double_text, this, true);

upTextView = layout.findViewById(R.id.text_up);
downTextView = layout.findViewById(R.id.text_down);

TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DoubleTextView);

String upText = a.getString(R.styleable.DoubleTextView_upText);
String downText = a.getString(R.styleable.DoubleTextView_downText);
int upTextStyle = a.getInteger(R.styleable.DoubleTextView_styleUpText,R.style.ListOtherLightInfo);
int downTextStyle = a.getInteger(R.styleable.DoubleTextView_styleDownText,R.style.ListOtherLightInfo);

upText = upText == null ? "" : upText;
downText = downText == null ? "" : downText;

upTextView.setText(upText);
downTextView.setText(downText);

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
upTextView.setTextAppearance(R.style.ListOtherLightInfo);
downTextView.setTextAppearance(downTextStyle);
}
a.recycle();
}

public DoubleTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mContext = context;
}
}



Attributes to be set in DoubleTextView.class is below,


<declare-styleable name="DoubleTextView">
<attr name="upText" format="string"/>
<attr name="downText" format="string"/>
<attr name="styleUpText" format="reference"/>
<attr name="styleDownText" format="integer"/>

</declare-styleable>



I am unable to add custom styles to the two textviews present in my DoubleTextView.java class. Custom styles are present in my styles.xml



This is how I am trying to use this,


<com.loconav.common.widget.DoubleTextView
app:upText="heklow"
app:downText="askjdnakjsndjasndjkasndasndj"
app:styleUpText="@style/BoldTextBlue"
android:layout_width="match_parent"
android:layout_height="match_parent"/>



But it is throwing error when app:styleUpText is used in xml ,



Method threw 'java.lang.UnsupportedOperationException' exception.



Thanks in advance




1 Answer
1



Use getResourceId instead of getInteger for a style attribute.


getResourceId


getInteger





Thanks a lot. Worked like a charm
– Prashast
Jun 29 at 10:37






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