New answers tagged position
My thoughts Use both descriptors and icons. (Eg the conversation icon) Create a pattern language for you app (inc gestures) There are two ways you can structure IE if it is hierarchical such as you drill from room to conversation or frequency of usage. If if users are more likely/often press the conversation button make this the first button or the first ...
Right Top corner. Reasons: 70 - 90 % of world population is right handed. So easy for right thumb to press it. In OS point of view more than 70% of world population are used to Windows OS on which it's to the top right corner and people usually search there. You can place it on Right bottom corner(like few android browsers introduce URL bar at the bottom ...
i would suggest the "X" to be placed on the right side. as the action perform the least priority to close or leave the page and hope in your application it represent to close the page. Better to align it on the right side of the screen.
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