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Connection Status: Added Network Broadcast Receiver
Fixes #312- Loading branch information
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166 changes: 166 additions & 0 deletions
166
app/src/main/java/com/zulip/android/util/RemoveFabOnScroll.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| package com.zulip.android.util; | ||
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| import android.animation.Animator; | ||
| import android.annotation.SuppressLint; | ||
| import android.content.Context; | ||
| import android.support.design.widget.AppBarLayout; | ||
| import android.support.design.widget.CoordinatorLayout; | ||
| import android.support.design.widget.FloatingActionButton; | ||
| import android.support.design.widget.Snackbar; | ||
| import android.support.v4.view.ViewCompat; | ||
| import android.support.v4.view.animation.FastOutSlowInInterpolator; | ||
| import android.util.AttributeSet; | ||
| import android.util.TypedValue; | ||
| import android.view.View; | ||
| import android.view.ViewPropertyAnimator; | ||
| import android.view.animation.Interpolator; | ||
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| import com.zulip.android.R; | ||
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| import java.util.List; | ||
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| /** | ||
| * This hides the {@link AppBarLayout} and {@link android.support.design.widget.FloatingActionButton} when the | ||
| * recyclerView is scrolled, used in here {@link com.zulip.android.R.layout#main} as a behaviour. | ||
| */ | ||
| public class RemoveFabOnScroll extends CoordinatorLayout.Behavior<FloatingActionButton> { | ||
| private static final Interpolator FAST_OUT_SLOW_IN_INTERPOLATOR = new FastOutSlowInInterpolator(); | ||
| private static float toolbarHeight; | ||
| private int changeInYDir; | ||
| private boolean mIsShowing; | ||
| private boolean isViewHidden; | ||
| private View chatBox; | ||
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| public RemoveFabOnScroll(Context context, AttributeSet attrs) { | ||
| super(context, attrs); | ||
| TypedValue tv = new TypedValue(); | ||
| if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) | ||
| toolbarHeight = TypedValue.complexToDimensionPixelSize(tv.data, context.getResources().getDisplayMetrics()); | ||
| } | ||
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| @Override | ||
| public boolean onStartNestedScroll(CoordinatorLayout coordinatorLayout, FloatingActionButton child, View directTargetChild, View target, int nestedScrollAxes) { | ||
| return (nestedScrollAxes & ViewCompat.SCROLL_AXIS_VERTICAL) != 0; | ||
| } | ||
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| @SuppressLint("NewApi") | ||
| @Override | ||
| public void onNestedPreScroll(CoordinatorLayout coordinatorLayout, FloatingActionButton child, View target, int dx, int dy, int[] consumed) { | ||
| if (dy > 0 && changeInYDir < 0 || dy < 0 && changeInYDir > 0) { | ||
| child.animate().cancel(); | ||
| changeInYDir = 0; | ||
| } | ||
|
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| changeInYDir += dy; | ||
| if (changeInYDir > toolbarHeight && child.getVisibility() == View.VISIBLE && !isViewHidden) | ||
| hideView(child); | ||
| else if (changeInYDir < 0 && child.getVisibility() == View.GONE && !mIsShowing) { | ||
| if (child instanceof FloatingActionButton) { | ||
| if (chatBox == null) | ||
| chatBox = coordinatorLayout.findViewById(R.id.messageBoxContainer); | ||
| if (chatBox.getVisibility() == View.VISIBLE) { | ||
| return; | ||
| } | ||
| } | ||
| showView(child); | ||
| } | ||
|
|
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| } | ||
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| @SuppressLint("NewApi") | ||
| private void hideView(final View view) { | ||
| isViewHidden = true; | ||
| ViewPropertyAnimator animator = view.animate() | ||
| .translationY((view instanceof AppBarLayout) ? -1 * view.getHeight() : view.getHeight()) | ||
| .setInterpolator(FAST_OUT_SLOW_IN_INTERPOLATOR) | ||
| .setDuration(200); | ||
|
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| animator.setListener(new Animator.AnimatorListener() { | ||
| @Override | ||
| public void onAnimationStart(Animator animator) { | ||
| } | ||
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| @Override | ||
| public void onAnimationEnd(Animator animator) { | ||
| isViewHidden = false; | ||
| view.setVisibility(View.GONE); | ||
| } | ||
|
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| @Override | ||
| public void onAnimationCancel(Animator animator) { | ||
| isViewHidden = false; | ||
| if (!mIsShowing) | ||
| showView(view); | ||
| } | ||
|
|
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| @Override | ||
| public void onAnimationRepeat(Animator animator) { | ||
| } | ||
| }); | ||
| animator.start(); | ||
| } | ||
|
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| @SuppressLint("NewApi") | ||
| private void showView(final View view) { | ||
| mIsShowing = true; | ||
| ViewPropertyAnimator animator = view.animate() | ||
| .translationY(0) | ||
| .setInterpolator(FAST_OUT_SLOW_IN_INTERPOLATOR) | ||
| .setDuration(200); | ||
|
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| animator.setListener(new Animator.AnimatorListener() { | ||
| @Override | ||
| public void onAnimationStart(Animator animator) { | ||
| view.setVisibility(View.VISIBLE); | ||
| } | ||
|
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| @Override | ||
| public void onAnimationEnd(Animator animator) { | ||
| mIsShowing = false; | ||
| } | ||
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| @Override | ||
| public void onAnimationCancel(Animator animator) { | ||
| mIsShowing = false; | ||
| if (!isViewHidden) | ||
| hideView(view); | ||
| } | ||
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| @Override | ||
| public void onAnimationRepeat(Animator animator) { | ||
| } | ||
| }); | ||
| animator.start(); | ||
| } | ||
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| @Override | ||
| public boolean layoutDependsOn(CoordinatorLayout parent, FloatingActionButton child, View dependency) { | ||
| return dependency instanceof Snackbar.SnackbarLayout; | ||
| } | ||
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| @Override | ||
| public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, View dependency) { | ||
| float translationY = getFabTranslationYForSnackbar(parent, child); | ||
| float percentComplete = -translationY / dependency.getHeight(); | ||
| float scaleFactor = 1 - percentComplete; | ||
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| child.setScaleX(scaleFactor); | ||
| child.setScaleY(scaleFactor); | ||
| return false; | ||
| } | ||
|
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| private float getFabTranslationYForSnackbar(CoordinatorLayout parent, | ||
| FloatingActionButton fab) { | ||
| float minOffset = 0; | ||
| final List<View> dependencies = parent.getDependencies(fab); | ||
| for (int i = 0, z = dependencies.size(); i < z; i++) { | ||
| final View view = dependencies.get(i); | ||
| if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) { | ||
| minOffset = Math.min(minOffset, | ||
| ViewCompat.getTranslationY(view) - view.getHeight()); | ||
| } | ||
| } | ||
|
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| return minOffset; | ||
| } | ||
| } |
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