Hiding data remaining text when available space is too small.

Bug: 77799887

Test: manual
Test: make RunSettingsRoboTests
Change-Id: I53390a36e74f9832bdc7757cd67d51064e8a77f3

src/com/android/settings/datausage/MeasurableLinearLayout.java

@@ -0,0 +1,47 @@
+package com.android.settings.datausage;
+
+import android.annotation.Nullable;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.LinearLayout;
+
+public class MeasurableLinearLayout extends LinearLayout {
+    private View mFixedView;
+    private View mDisposableView;
+
+    public MeasurableLinearLayout(Context context) {
+        super(context, null);
+    }
+
+    public MeasurableLinearLayout(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs, 0);
+    }
+
+    public MeasurableLinearLayout(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr, 0);
+    }
+
+    public MeasurableLinearLayout(Context context, AttributeSet attrs,
+        int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        if (mDisposableView != null && getMeasuredWidth() - mFixedView.getMeasuredWidth()
+                < mDisposableView.getMeasuredWidth()) {
+            mDisposableView.setVisibility(GONE);
+            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        } else if (mDisposableView != null && mDisposableView.getVisibility() != VISIBLE) {
+            mDisposableView.setVisibility(VISIBLE);
+            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        }
+    }
+
+    public void setChildren(View fixedView, View disposableView) {
+        mFixedView = fixedView;
+        mDisposableView = disposableView;
+    }
+}