在Android studio 中代码没有错误，就是在运行虚拟机时闪退

Question

1. 
   E/FragmentManager: No view found for id 0x7f070032 (com.example.ruanjian1:id/content) for fragment wa{3554bc1 #1 id=0x7f070032}
       Activity state:
   
   
   
   
   E/AndroidRuntime: FATAL EXCEPTION: main
       Process: com.example.ruanjian1, PID: 2343
       java.lang.IllegalArgumentException: No view found for id 0x7f070032 (com.example.ruanjian1:id/content) for fragment wa{3554bc1 #1 id=0x7f070032}
           at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManager.java:1454)
           at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1784)
           at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java:797)
           at androidx.fragment.app.FragmentManagerImpl.executeOps(FragmentManager.java:2625)
           at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2411)
           at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManager.java:2366)
           at androidx.fragment.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2273)
           at androidx.fragment.app.FragmentManagerImpl.dispatchStateChange(FragmentManager.java:3273)
           at androidx.fragment.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManager.java:3229)
           at androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:201)
           at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:620)
           at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:178)
           at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1435)
           at android.app.Activity.performStart(Activity.java:8024)
           at android.app.ActivityThread.handleStartActivity(ActivityThread.java:3475)
           at android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:221)
           at android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:201)
           at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:173)
           at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
           at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
           at android.os.Handler.dispatchMessage(Handler.java:106)
           at android.os.Looper.loop(Looper.java:223)
           at android.app.ActivityThread.main(ActivityThread.java:7656)
           at java.lang.reflect.Method.invoke(Native Method)
           at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
           at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
   Process 2343 terminated.
   

2. 上面的是虚拟机上运行的错误提示：

package com.example.ruanjian1;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;

import android.os.Bundle;
import android.os.PersistableBundle;
import android.view.View;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

public class Main3Activity extends AppCompatActivity {

 FragmentManager fragmentManager;
    FragmentTransaction fragmentTransaction;
    Fragment[] fragments;


   /*private  Fragment shou=new shou ();
   private  Fragment wa=new wa();
   private  Fragment wai=new wai();
   private  Fragment zhu=new zhu();
   private FragmentManager fm;

    */


    int currentTablndex = 0;
    ImageView[] tu;
    TextView[] zi;

    void setTabSelection(int index) {
        if (currentTablndex!= index) {



            fragmentTransaction = fragmentManager.beginTransaction();
            fragmentTransaction.hide(fragments[currentTablndex]);
            fragmentTransaction.show(fragments[index]);
            fragmentTransaction.commit();




            tu[currentTablndex].setSelected(false);
            tu[index].setSelected(true);
            zi[currentTablndex].setTextColor(0xff737373);
            zi[index].setTextColor(0xff33B5e5);
            currentTablndex = index;
        }
    }


    public void kongclick(View view) {
        switch (view.getId()) {
            case R.id.kong1:
                setTabSelection(0);

                break;
            case R.id.kong2:
                setTabSelection(1);

                break;
            case R.id.kong3:
                setTabSelection(2);

                break;
            case R.id.kong4:
                setTabSelection(3);

                break;
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main3);


        {
            tu = new ImageView[4];
            zi = new TextView[4];
            tu[0] = (ImageView) findViewById(R.id.tu1);
            tu[1] = (ImageView) findViewById(R.id.tu2);
            tu[2] = (ImageView) findViewById(R.id.tu3);
            tu[3] = (ImageView) findViewById(R.id.tu4);
            zi[0] = (TextView) findViewById(R.id.zi1);
            zi[1] = (TextView) findViewById(R.id.zi2);
            zi[2] = (TextView) findViewById(R.id.zi3);
            zi[3] = (TextView) findViewById(R.id.zi4);
            tu[currentTablndex].setSelected(true);
            zi[currentTablndex].setTextColor(0xff33b5e5);


            fragments = new Fragment[]{
                    new shou(), new wa(), new wai(), new zhu()

            };


            fragmentManager = getSupportFragmentManager();
            fragmentTransaction = fragmentManager.beginTransaction();



            fragmentTransaction.add(R.id.content, fragments[0]);
            fragmentTransaction.add(R.id.content, fragments[1]);
            fragmentTransaction.add(R.id.content, fragments[2]);
            fragmentTransaction.add(R.id.content, fragments[3]);

            fragmentTransaction.hide(fragments[1]);
            fragmentTransaction.hide(fragments[2]);

            fragmentTransaction.hide(fragments[3]);


            fragmentTransaction.commit();


        }






    }

MainActivity.javada代码

Answer 1

看一下你的线程是否有问题