Gesture operation: scroll, long press, drag, pinch Of course, one of the most important problems with a finger is that it is much larger than a mouse pointer and lacks sensitivity and precision. Some operations using both mouse and whatsapp Database keyboard (such as copying, pasting, selecting text) are difficult to perform with fingers. The design should consider the resulting impact and avoid abuse. If your app supports more complex gestures (press and hold, pinch), make sure users understand what they mean, and provide direct responsive feedback whatsapp Database for these gestures. 8. Consider the horizontal and vertical screen orientation changes It is relatively normal to have horizontal and vertical screen designs in iPhone games, and they are divided according to the specific game type.
However, general efficiency applications or practical tools also have horizontal and vertical screens. The forest is getting bigger, and there are whatsapp Database all kinds of birds. Some users just like to rotate the screen frequently, and there are not a few. They either like to browse horizontally (such as memos, music), or they want to see more information (such as calculators) when they are horizontal. User expectations must be fully considered when designing. Sometimes rotating the content of the interface can simply meet their needs, but sometimes whatsapp Database you need to redesign to display more content (such as a landscape concert with a new interface showing all the songs). Figure landscape input In the case of vertical screen, the width of the input keyboard is only 320px.
The average width of each key is horizontal screen, the width of each key can reach 48px, which is a full 16px. If you are typing on a small screen, which way do you prefer? If your application interface supports only a single orientation, the best practice is whatsapp Database to keep the interface fixed and not change with the device orientation. For example, when a user chooses to watch an iPod video, the video is displayed horizontally regardless of whether the screen is horizontal or vertical. With this hint, the user will naturally rotate the screen to horizontal whatsapp Database landscape viewing. There is no need for the rollover button. 9. Reasonable feedback Looking at all the built-in apps, feedback is everywhere.