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Add null-check of swipe icon.

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This commit is contained in:
leopoldsedev
2020-02-15 17:25:03 +01:00
committed by Jannis Mattheis
parent 6b00bfb63c
commit ed8689daa0
1 changed files with 38 additions and 35 deletions
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73
app/src/main/java/com/github/gotify/messages/MessagesActivity.java
View File

@@ -425,6 +425,7 @@ public class MessagesActivity extends AppCompatActivity
Drawable drawable =
ContextCompat.getDrawable(MessagesActivity.this, R.drawable.ic_delete);
icon = null;
if (drawable != null) {
icon = DrawableCompat.wrap(drawable.mutate());
DrawableCompat.setTint(icon, iconColorId);
@@ -457,48 +458,50 @@ public class MessagesActivity extends AppCompatActivity
float dY,
int actionState,
boolean isCurrentlyActive) {
View itemView = viewHolder.itemView;
if (icon != null) {
View itemView = viewHolder.itemView;
int iconHeight = itemView.getHeight() / 3;
double scale = iconHeight / (double) icon.getIntrinsicHeight();
int iconWidth = (int) (icon.getIntrinsicWidth() * scale);
int iconHeight = itemView.getHeight() / 3;
double scale = iconHeight / (double) icon.getIntrinsicHeight();
int iconWidth = (int) (icon.getIntrinsicWidth() * scale);
int iconMarginLeftRight = 50;
int iconMarginTopBottom = (itemView.getHeight() - iconHeight) / 2;
int iconTop = itemView.getTop() + iconMarginTopBottom;
int iconBottom = itemView.getBottom() - iconMarginTopBottom;
int iconMarginLeftRight = 50;
int iconMarginTopBottom = (itemView.getHeight() - iconHeight) / 2;
int iconTop = itemView.getTop() + iconMarginTopBottom;
int iconBottom = itemView.getBottom() - iconMarginTopBottom;
if (dX > 0) {
// Swiping to the right
int iconLeft = itemView.getLeft() + iconMarginLeftRight;
int iconRight = itemView.getLeft() + iconMarginLeftRight + iconWidth;
icon.setBounds(iconLeft, iconTop, iconRight, iconBottom);
if (dX > 0) {
// Swiping to the right
int iconLeft = itemView.getLeft() + iconMarginLeftRight;
int iconRight = itemView.getLeft() + iconMarginLeftRight + iconWidth;
icon.setBounds(iconLeft, iconTop, iconRight, iconBottom);
background.setBounds(
itemView.getLeft(),
itemView.getTop(),
itemView.getLeft() + ((int) dX),
itemView.getBottom());
} else if (dX < 0) {
// Swiping to the left
int iconLeft = itemView.getRight() - iconMarginLeftRight - iconWidth;
int iconRight = itemView.getRight() - iconMarginLeftRight;
icon.setBounds(iconLeft, iconTop, iconRight, iconBottom);
background.setBounds(
itemView.getLeft(),
itemView.getTop(),
itemView.getLeft() + ((int) dX),
itemView.getBottom());
} else if (dX < 0) {
// Swiping to the left
int iconLeft = itemView.getRight() - iconMarginLeftRight - iconWidth;
int iconRight = itemView.getRight() - iconMarginLeftRight;
icon.setBounds(iconLeft, iconTop, iconRight, iconBottom);
background.setBounds(
itemView.getRight() + ((int) dX),
itemView.getTop(),
itemView.getRight(),
itemView.getBottom());
} else {
// View is unswiped
icon.setBounds(0, 0, 0, 0);
background.setBounds(0, 0, 0, 0);
background.setBounds(
itemView.getRight() + ((int) dX),
itemView.getTop(),
itemView.getRight(),
itemView.getBottom());
} else {
// View is unswiped
icon.setBounds(0, 0, 0, 0);
background.setBounds(0, 0, 0, 0);
}
background.draw(c);
icon.draw(c);
}
background.draw(c);
icon.draw(c);
super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
}
}