So, I built a dictionary assigning the number of button presses to each letter and then wrote a standard iteration to match the value in the phrase to the items within the map and once I found that, incremented the counter based on the key and returned it. Looking at the keypad above, I concluded that at most, you could only ever click the button 5 times, no matter what message you were trying to type. My first line of thinking for this was to add up how many possible button selections there could ever be. Hint: While it wouldn’t take too long to hard code the amount of keypresses for all 26 letters by hand, try to avoid doing so! (Imagine you work at a phone manufacturer who might be testing out different keyboard layouts, and you want to be able to test new ones rapidly.)ġ: ,Ģ: , Why you should buy this: It’s still the best choice for a QWERTY keyboard-equipped smartphone, even if it is no. Likewise, you can assume the phone doesn’t distinguish between upper/lowercase characters (but you should allow your module to accept input in either for convenience). Best overall QWERTY phone: BlackBerry Key2. With these phones, Nokia once again made a big impression and gained a significant amount of. Punctuation can be ignored for this exercise. The feature phone was a remake of their old classic Nokia 3310. No wonder they abbreviated.įor this assignment, write a module that can calculate the amount of button presses required for any phrase. In order to send the message "WHERE DO U WANT 2 MEET L8R" a teen would have to actually do 47 button presses. The zero key handles spaces, with one press of the key producing a space and two presses producing a zero. A character is “locked in” once the user presses a different key or pauses for a short period of time (thus, no extra button presses are required beyond what is needed for each letter individually). Very suitable for people who have a problem with small keys. The keypad layout as on the old mobile phones. Layout as on the old phone - keyboard initialization in detail description. Weighed 475 grams, this archaic device was able to make calls as well as send and receive text messages. Layout as on the old phone - keyboard initialization in detail description. Prior to the development of T9 (predictive text entry) systems, the method to type words was called “multi-tap” and involved pressing a button repeatedly to cycle through the possible values.įor example, to type a letter "R" you would press the 7 key three times (as the screen display for the current character cycles through P->Q->R->S->7). Nokia 1011 (1992) The Nokia 1011 was highly influential in the digital handheld phone history, not just because it was Nokia’s first mass-produced GSM phone, but also it had a quite elegant design for its time.
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