[android-developers] How to compare the data in framebuffer

Hi In my app on cupcake platform ,in the EGLDisplaySurface.cpp ,my plan is adding a method to compare the data is different or not between front buffer and back buffer.but I can't understand the framebuffer is.I'm poor in C++ .any help is appreciated!! -- You received this message because you

[android-developers] Hwo to use getLineCount method in TextView? what is the internal Layout?

Hi guys, In my app, there is a TextView ,more than 20 lines .I want to divide it into multi-screen display in a ScrollView. when I invoke the getLineCount method ,I get 0(Zero). the reference of android developer guide said Return the number of lines of text, or 0 if the internal Layout has

[android-developers] got a black screen after no operation on app for a while

Hi guys in my app, I came into an Activity from the pre Activity's UI (such as:click a TextView which has added OnClickListener), like this way, after several times, I came into a deeper Activity. I left it for a while (such as left away) , when I came back ,I returned the Activity before