CollapsingToolbarLayout | Scrolling and layout issues 2

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CollapsingToolbarLayout | Scrolling and layout issues

Backgroud

I want to use 2 different fragments that will allow me to chan

Answer 1

Question 1

Add android:fitsSystemWindows="true" to your AppBarLayout, CollapsingToolbarLayout, and to your ImageView.

I'm guessing a part of your image is below the status bar (due to these lines being missing) which is why you can't see the top of the image.

Question 2

collapseMode="pin" only affects how the Toolbar reacts to collapsing (hence why it is called collapseMode and not scrollFlags).

In almost all cases when using CollapsingToolbarLayout, you should be using scroll|exitUntilCollapsed for your scrollFlags - this keeps the collapsed Toolbar visible even when you scroll downward.

Question 3

This is due to using scroll|enterAlways. Change your flags as per #2

Question 4

As mentioned in the answer to your related question, you need to call getSupportActionBar().setDisplayHomeAsUpEnabled(true); to show the Up button:

 @Override
 protected void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);
  setContentView(R.layout.test);

  final Toolbar toolbar = (Toolbar) findViewById(R.id.anim_toolbar);
  setSupportActionBar(toolbar);
  getSupportActionBar().setDisplayHomeAsUpEnabled(true);

  CollapsingToolbarLayout collapsingToolbar =
      (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
  collapsingToolbar.setTitle("Avengers: Age of Ultron");
}

Answer 2

Remove app:contentScrim="?attr/colorPrimary" from your layout XML in CollapsingToolBarLayout tag. It will show the back button in toolbar