I have an edittext having an image as drawable left with a non-editable prefixed editext but now i wanted to make it to support rtl. Despite my effort I am not able to support rtl.
My Custom class is as follows,
public class PrefixedEditText extends TextInputEditText {
private String mPrefix = "+"; // can be hardcoded for demo purposes
private Rect mPrefixRect = new Rect(); // actual prefix size
public PrefixedEditText(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
getPaint().getTextBounds(mPrefix, 0, mPrefix.length(), mPrefixRect);
mPrefixRect.right += getPaint().measureText(" "); // add some offset
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawText(mPrefix, super.getCompoundPaddingLeft(), getBaseline(), getPaint());
}
@Override
public int getCompoundPaddingLeft() {
return super.getCompoundPaddingLeft() + mPrefixRect.width();
}
}
My xml call of this class is as follows,
<cl.dd.ui.PrefixedEditText
style="@style/edittext"
android:id="@+id/etCode"
android:maxLength="3"
android:drawableLeft="@drawable/icon_phone_number"
android:drawableStart="@drawable/icon_phone_number"
android:minWidth="@dimen/dim_img_width"
android:hint="@string/s_login_code"
android:tag="@string/s_login_country_code"
android:inputType="number"/>
You would need to make sure that supportsRtl
is set to true in your AndroidManifest.xml
<application
...
android:supportsRtl="true">
And set the layoutDirection
to locale
, inherit
or rtl
in your layout xml if you are targeting SDK 17+
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layoutDirection="locale">
If your target SDK is below 17, you would have to create another res directory like layout-ldrtl
or values-ldrtl
and maybe send an rtl flag to your custom view.
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