|
1 | 1 | --- |
2 | | -slug: /debugging |
3 | | -title: Debugging |
4 | | -description: Practical guidance for debugging project code with Dreamflow agent. |
| 2 | +slug: /layout-errors |
| 3 | +title: Layout Errors |
| 4 | +description: Practical guidance for debugging layour errors in Dreamflow project. |
5 | 5 | tags: [debugging] |
6 | 6 | sidebar_position: 1 |
7 | | -keywords: [dreamflow debugging, error tracing, agent prompt, generated code, logging] |
| 7 | +keywords: [dreamflow debugging, layout error, agent prompt] |
8 | 8 | --- |
9 | 9 |
|
10 | | -# Debugging |
| 10 | +# Layout Errors |
11 | 11 |
|
12 | | -## Layout Issues |
| 12 | +## Renderflex Overflow Errors |
13 | 13 |
|
14 | | -### Overflow Errors |
15 | | - |
16 | | -An **Overflow Error** occurs when a widget’s content is too large to fit within the available space on the screen or inside its parent widget. |
| 14 | +A **Renderflex Overflow Error** occurs when a widget’s content is too large to fit within the available space on the screen or inside its parent widget. |
17 | 15 |
|
18 | 16 | Flutter tries to render all UI elements within fixed layout constraints, and when a widget exceeds those limits, it triggers an overflow, often shown as yellow and black striped bars on the screen and the error message like this in the debug console: |
19 | 17 |
|
20 | | -``` |
21 | | -A RenderFlex overflowed by 28 pixels on the bottom. |
22 | | -``` |
23 | | - |
24 | | -#### Why Overflow Errors Occur |
| 18 | + |
25 | 19 |
|
26 | 20 | Overflow errors typically happen due to one or more of the following reasons: |
27 | 21 |
|
28 | 22 | - A widget’s **content is larger** than the space provided by its parent (for example, long text inside a `Row` or a large image in a small `Container`). |
| 23 | +- A `Column` with too many child widgets that extend beyond the screen height. |
29 | 24 | - Missing **scrollable widgets** like `SingleChildScrollView`, `ListView`, or `Expanded` when content should be scrollable or flexible. |
30 | 25 | - Hard-coded **widths or heights** that don’t adapt to different screen sizes. |
31 | 26 | - Nesting layout widgets (like `Row`, `Column`, or `Flex`) without proper constraints (`Expanded`, `Flexible`, etc.). |
32 | 27 |
|
33 | | -#### Common Examples |
34 | | - |
35 | | -- A `Row` containing multiple `Text` widgets with long strings and no wrapping. |
36 | | -- A `Column` with too many child widgets that extend beyond the screen height. |
37 | | -- Fixed-size containers that don’t resize on smaller devices. |
38 | | - |
39 | | -#### How to Fix Overflow Errors |
| 28 | +### Fixing Renderflex Overflow Errors |
40 | 29 |
|
| 30 | +#### Fix Manually |
41 | 31 | Here are some quick tips to fix overflow errors manually: |
42 | 32 |
|
43 | 33 | - Use **`Expanded`** or **`Flexible`** widgets to make child widgets adapt to available space. |
44 | 34 | - Wrap overflowing content in a **`SingleChildScrollView`** to make it scrollable. |
45 | 35 | - Use **`TextOverflow.ellipsis`** or `maxLines` for long text content. |
46 | 36 | - Avoid fixed widths/heights; use responsive layout helpers like `MediaQuery` or `LayoutBuilder`. |
47 | 37 |
|
48 | | -#### Using Agent to Fix Overflow Errors |
| 38 | +#### Fix with Agent |
49 | 39 |
|
50 | 40 | Dreamflow’s Agent can help you quickly identify and fix overflow errors. |
51 | 41 |
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