如何使用Android Studio将.txt文件推送到模拟器？
根据一些答案，已经为 Fragments 添加了一个默认构造函数，但是，我们仍然在播放控制台上遇到崩溃。
java.lang.RuntimeException:
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:3488)
at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3635)
at android.app.ActivityThread.handleRelaunchActivityInner (ActivityThread.java:5582)
at android.app.ActivityThread.handleRelaunchActivity (ActivityThread.java:5490)
at android.app.servertransaction.ActivityRelaunchItem.execute (ActivityRelaunchItem.java:69)
at android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2175)
at android.os.Handler.dispatchMessage (Handler.java:107)
at android.os.Looper.loop (Looper.java:237)
at android.app.ActivityThread.main (ActivityThread.java:7860)
at java.lang.reflect.Method.invoke (Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1075)
Caused by: androidx.fragment.app.Fragment$InstantiationException:
at androidx.fragment.app.Fragment.instantiate (Fragment.java:94)
at androidx.fragment.app.FragmentContainer.instantiate (FragmentContainer.java)
at androidx.fragment.app.FragmentManager$3.instantiate (FragmentManager.java:9)
at androidx.fragment.app.FragmentStateManager.<init> (FragmentStateManager.java:10)
at androidx.fragment.app.FragmentManager.restoreSaveState (FragmentManager.java:96)
at androidx.fragment.app.FragmentController.restoreSaveState (FragmentController.java:8)
at androidx.fragment.app.FragmentActivity.onCreate (FragmentActivity.java:17)
at androidx.appcompat.app.AppCompatActivity.onCreate (AppCompatActivity.java:10)
at com.companyname.activities.BaseActivity.onCreate (BaseActivity.java)
at com.companyname.activities.Activity1.onCreate (Activity1.java)
at …