Expand TextView with wrap_content until the neighbor view reaches the end of the parent

Question

I need to achieve the following layout:

I have two TextViews in a rela

Answer 1

I set the maxwidth of left textview base of the width of right textview, take a looking my code. hope this will help.

TextView leftText ;
TextView rightText;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    leftText = (TextView) findViewById(R.id.leftTextView);
    rightText = (TextView) findViewById(R.id.rightTextView);


    measureView(leftText);
    measureView(rightText);

    leftText.setMaxWidth(getWidth() - rightText.getMeasuredWidth());

}

private void measureView(View view) {
    ViewGroup.LayoutParams params = view.getLayoutParams();
    int childWidth = ViewGroup.getChildMeasureSpec(0, view.getPaddingLeft() + view.getPaddingRight(), params.width);
    int childHeight = ViewGroup.getChildMeasureSpec(0, view.getPaddingBottom() + view.getPaddingTop(), params.height);
    view.measure(childWidth, childHeight);

}

private int getWidth() {
    WindowManager wm = (WindowManager)getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    return display.getWidth();
}

and the xml is:

this is the screenshot after running: