m0_66070502的博客

case R.id.button_state1: switchState(0); break; case R.id.button_state2: switchState(1); break; case R.id.button_state3: switchState(2); break; case R.id.button_state4: switchState(3); break; default: break; } } public static interface OnTabChangeListener

} 终于找到FragmentManager的真身FragmentManagerImpl了 1.3.6FragmentManagerImpl#beginTransaction @Override public FragmentTransaction beginTransaction() { return new BackStackRecord(this); } 可以看到，所谓的FragmentTransaction其实就是一个BackStackRecord。到现在，FragmentManager和Fragme

android:layout_width=“wrap_content” android:layout_height=“wrap_content” android:hint=“请点击开始录音” app:layout_constraintEnd_toEndOf=“parent” app:layout_constraintStart_toStartOf=“parent” app:layout_constraintTop_toTopOf=“parent” /> <Button android:id="@

public int getScaledPagingTouchSlop() {} //不推荐使用，推荐getScaledDoubleTapSlop()代替；判断是否双击的阈值 public static int getDoubleTapSlop() {} public int getScaledDoubleTapSlop() {} //不推荐使用，推荐getScaledWindowTouchSlop()代替；触摸窗体边沿区域判断 public static int getWindowTouchSlop()