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Code Issues Projects Releases Wiki Activity

[android] Make Remote Contact layouts work on small screens

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This commit is contained in:
Torsten Grote
2019-07-01 17:56:28 +02:00
parent 53fe3e1592
commit 945fdb8ee4
2 changed files with 43 additions and 4 deletions
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27
briar-android/src/main/java/org/briarproject/briar/android/contact/add/remote/LinkExchangeFragment.java
View File

@@ -1,5 +1,6 @@
package org.briarproject.briar.android.contact.add.remote;
import android.animation.ObjectAnimator;
import android.arch.lifecycle.ViewModelProvider;
import android.arch.lifecycle.ViewModelProviders;
import android.content.ClipData;
@@ -11,7 +12,9 @@ import android.support.v4.app.ShareCompat.IntentBuilder;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.Button;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;
@@ -34,7 +37,8 @@ import static org.briarproject.briar.android.util.UiUtils.observeOnce;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
public class LinkExchangeFragment extends BaseFragment {
public class LinkExchangeFragment extends BaseFragment
implements OnGlobalLayoutListener {
private static final String TAG = LinkExchangeFragment.class.getName();
@@ -90,9 +94,30 @@ public class LinkExchangeFragment extends BaseFragment {
observeOnce(viewModel.getHandshakeLink(), this,
this::onHandshakeLinkLoaded);
if (savedInstanceState == null) {
ScrollView scrollView = (ScrollView) v;
// we need to wait for views to be laid out to get the heights
scrollView.getViewTreeObserver().addOnGlobalLayoutListener(this);
}
return v;
}
@Override
public void onGlobalLayout() {
ScrollView scrollView = (ScrollView) requireNonNull(getView());
View layout = scrollView.getChildAt(0);
int scrollBy = layout.getHeight() - scrollView.getHeight();
if (scrollBy > 0) {
// smoothScrollTo() is too fast due to the transition animation
ObjectAnimator animator = ObjectAnimator
.ofInt(scrollView, "scrollY", scrollBy);
animator.setDuration(1000);
animator.start();
}
layout.getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
private void onHandshakeLinkLoaded(String link) {
View v = requireNonNull(getView());