question: public void testCase02_FrequencyChangePerformance ( ) throws Exception { long startTime = System . currentTimeMillis ( ) ; Log . i ( TAG , "[Performance test][FmRadio] decrease frequency start [" + startTime + "]" ) ; clickView ( mButtonDecrease ) ; sleep ( WAIT_UI_STATE_CHANGE ) ; startTime = System . currentTimeMillis ( ) ; Log . i ( TAG , "[Performance test][FmRadio] increase frequency start [" + startTime + "]" ) ; clickView ( mButtonIncrease ) ; sleep ( WAIT_UI_STATE_CHANGE ) ; }
target:  Test increase and decrease 0.1 MHz / 0.05 MHZ performance.