你好,堆叠溢出社区,我一直面临一个小问题,整个星期。: Binary XML file line #0: Binary XML file line #0: Error inflating class fragment} startActivity(new Intent(this, MapsActivity.class));
MapsAcitivity只是一个默认的P.S我在清单文件中添加了API键对不起
更新到com.android.support.constraint:constraint-layout:1.1.0后
约束布局的所有子级都应该有使用约束集的id。java.lang.RuntimeException: All children of ConstraintLayout must have ids to use ConstraintSet at android.support.constraint.ConstraintSet.clone