開始其他活動時應用崩潰

Question

我正在嘗試制作一個在不同屏幕尺寸上以不同方式運行的小型應用程序，該應用程序可以在大屏幕上完美運行，但是當從一種活動轉移到另一種活動時，它在普通手機上崩潰了，因此我將在在應用程序中，第一個活動應該是主（mainactivity.java），它顯示一個列表視圖（Workoutlist.java），在我單擊該菜單時，應該啟動另一個活動（Workdetail2），該活動顯示一個片段，但崩潰而不是打開另一個活動。

這是mainactivity.java ：

package com.hfad.workout;
import android.app.Activity;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends Activity {

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

  public void clickme(long click) {
    Workdetail v = (Workdetail) 
getFragmentManager().findFragmentById(R.id.detail);

    if (v != null) {
        Workdetail wd = (Workdetail) 
getFragmentManager().findFragmentById(R.id.detail);

        wd.setwork((long) click);

    } else {

        Intent in = new Intent(this, Workdetail2.class);
        in.putExtra("hello", click);
        startActivity(in);


        Workdetail2 w2 = new Workdetail2();
        w2.onme(click);



    }
  }
}

WorkList.java ：

 public class WorkoutList extends ListFragment {

    MainActivity ma;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {


        ArrayAdapter<Workout> arrayAdapter = new ArrayAdapter<Workout>(
                inflater.getContext(), android.R.layout.simple_list_item_1, 
   Workout.workout);
        setListAdapter(arrayAdapter);

        return super.onCreateView(inflater, container, savedInstanceState);
    }
    @Override
    public void onAttach(Context ac){
        super.onAttach(ac);
        this.ma =(MainActivity) getActivity();

    }

    public void onListItemClick(ListView v, View vi, int position, long id){
        ma.clickme(id);

    }
}

Workdetail2.java ：

public class Workdetail2 extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_workdetail2);
    Intent in = getIntent();
    long ln= in.getLongExtra("hello",0);

    Workdetail wd = (Workdetail) 
    getFragmentManager().findFragmentById(R.id.detailss);
    wd.setwork(ln);

  }
} 

Workdetail.java ：

 public class Workdetail extends Fragment {

   private  long work;

   @Override
   public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
     // Inflate the layout for this fragment

     return inflater.inflate(R.layout.detail_work, container, false);

   }

   public void onStart() {
     super.onStart();
     View view = getView();
     if (view != null) {
        TextView tx1 = (TextView) view.findViewById(R.id.first);
        Workout wk = Workout.workout[(int) work];
        tx1.setText(wk.getWorkoutname());
        TextView tx2 = (TextView) view.findViewById(R.id.detail2);
        tx2.setText(wk.getDesc());
     }

   }

   public void setwork(long workn){
     this.work= workn;
     View view = getView();
     if (view != null) {
        TextView tx1 = (TextView) view.findViewById(R.id.first);
        Workout wk = Workout.workout[(int) work];
        tx1.setText(wk.getWorkoutname());
        TextView tx2 = (TextView) view.findViewById(R.id.detail2);
        tx2.setText(wk.getDesc());
     }
   }
}

Workout.java ：

public class Workout {
  private String workoutname;
  private String desc;

   public static final Workout[]  workout= {new Workout("power","100 Headstand pushup \n 50 1-legged squats\n 30 pullups"),new Workout("energy","5 -10 metre sprint\n 3 20-pushup"),new Workout("strength","3 20-pullups \n 3 20-pullups")};

  private Workout(String workoutname,String desc){
    this.workoutname = workoutname;
    this.desc = desc;

  }

  public String getWorkoutname() {
    return workoutname;
  }

  public  String getDesc(){
    return desc;
  }

  public String toString() {
    return workoutname;
  }

}

我沒有遇到問題，如果有人可以告訴我我錯了，那將是很大的幫助。

錯誤

--------- beginning of crash


 FATAL EXCEPTION: main Process: com.hfad.workout, PID: 7292


java.lang.RuntimeException: Unable to start activity ComponentInfo{com.hfad.workout/com.hfad.workout.Workdetail2}: android.view.InflateException: Binary XML file line #9: Binary XML file line #9: Error inflating class fragment
     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2665)
     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726)
     at android.app.ActivityThread.-wrap12(ActivityThread.java)
     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477)
     at android.os.Handler.dispatchMessage(Handler.java:102)
     at android.os.Looper.loop(Looper.java:154)
     at android.app.ActivityThread.main(ActivityThread.java:6119)
     at java.lang.reflect.Method.invoke(Native Method)
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
     Caused by: android.view.InflateException: Binary XML file line #9: Binary XML file line #9: Error inflating class fragment
     Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class fragment
     Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f04001d
     at android.content.res.ResourcesImpl.getValue(ResourcesImpl.java:190)
     at android.content.res.Resources.loadXmlResourceParser(Resources.java:2101)
     at android.content.res.Resources.getLayout(Resources.java:1115)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:424)
     at com.hfad.workout.Workdetail.onCreateView(Workdetail.java:28)
     at android.app.Fragment.performCreateView(Fragment.java:2353)
     at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:959)
     at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1149)
     at android.app.FragmentManagerImpl.addFragment(FragmentManager.java:1251)
     at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2311)
     at android.app.FragmentController.onCreateView(FragmentController.java:98)
     at android.app.Activity.onCreateView(Activity.java:5901)
     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:777)
     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
     at android.view.LayoutInflater.rInflate(LayoutInflater.java:858)
     at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
     at android.view.LayoutInflater.inflate(LayoutInflater.java:377)
     at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:412)
     at android.app.Activity.setContentView(Activity.java:2414)
     at com.hfad.workout.Workdetail2.onCreate(Workdetail2.java:16)
     at android.app.Activity.performCreate(Activity.java:6679)
     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2618)
     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726)
     at android.app.ActivityThread.-wrap12(ActivityThread.java)
     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477)
     at android.os.Handler.dispatchMessage(Handler.java:102)
     at android.os.Looper.loop(Looper.java:154)
     at android.app.ActivityThread.main(ActivityThread.java:6119)
     at java.lang.reflect.Method.invoke(Native Method)
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)

現在更新，這是崩潰的真正錯誤，我猜

Answer 1

從錯誤日志中粘貼的內容可以告訴我，您在R.layout.activity_workdetail2的XML文件中犯了一些錯誤。如果您粘貼布局文件，我們將為您提供幫助。

Answer 2

在片段中使用它

 View rootView = null;
    Context context;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        if (rootView != null) {
            ViewGroup parent = (ViewGroup) rootView.getParent();
            if (parent != null)
                parent.removeView(rootView);
        }
        View rootView = inflater.inflate(R.layout.expert_fragment_details, container, false);
        context = getActivity();

        return rootView;
    }