乐学成语收藏遇到的问题

06/07 20:05:34: Launching app
Cold swapped changes.
$ adb shell am start -n "com.example.bz0209.happyidiom/com.example.bz0209.happyidiom.activity.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Client not ready yet..Connected to process 3197 on device Nexus_5_API_24 [emulator-5554]
W/System: ClassLoader referenced unknown path: /data/app/com.example.bz0209.happyidiom-1/lib/x86
I/InstantRun: Instant Run Runtime started. Android package is com.example.bz0209.happyidiom, real application class is null.
W/System: ClassLoader referenced unknown path: /data/app/com.example.bz0209.happyidiom-1/lib/x86
W/gralloc_ranchu: Gralloc pipe failed

                  [ 06-07 12:05:37.421  3197: 3197 D/         ]
                  HostConnection::get() New Host Connection established 0xaa7ce480, tid 3197


                  [ 06-07 12:05:37.464  3197: 3218 D/         ]
                  HostConnection::get() New Host Connection established 0xaa7cee00, tid 3218
I/OpenGLRenderer: Initialized EGL, version 1.4
D/OpenGLRenderer: Swap behavior 1
W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.example.bz0209.happyidiom/databases/collect.db' was leaked!  Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
                  Process: com.example.bz0209.happyidiom, PID: 3197
                  java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
                      at android.support.v7.app.AppCompatDelegateImplV9.createSubDecor(AppCompatDelegateImplV9.java:355)
                      at android.support.v7.app.AppCompatDelegateImplV9.ensureSubDecor(AppCompatDelegateImplV9.java:324)
                      at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:285)
                      at android.support.v7.app.AppCompatDialog.setContentView(AppCompatDialog.java:83)
                      at android.support.v7.app.AlertController.installContent(AlertController.java:225)
                      at android.support.v7.app.AlertDialog.onCreate(AlertDialog.java:257)
                      at android.app.Dialog.dispatchOnCreate(Dialog.java:389)
                      at android.app.Dialog.show(Dialog.java:293)
                      at android.support.v7.app.AlertDialog$Builder.show(AlertDialog.java:955)
                      at com.example.bz0209.happyidiom.adapter.CollectAdapter$1.onClick(CollectAdapter.java:68)
                      at android.view.View.performClick(View.java:5610)
                      at android.view.View$PerformClick.run(View.java:22260)
                      at android.os.Handler.handleCallback(Handler.java:751)
                      at android.os.Handler.dispatchMessage(Handler.java:95)
                      at android.os.Looper.loop(Looper.java:154)
                      at android.app.ActivityThread.main(ActivityThread.java:6077)
                      at java.lang.reflect.Method.invoke(Native Method)
                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

Application terminated.

package com.example.bz0209.happyidiom.adapter;import android.content.Context;import android.content.DialogInterface;import android.support.v7.app.AlertDialog;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ArrayAdapter;import android.widget.ImageButton;import android.widget.ImageView;import android.widget.TextView;import com.example.bz0209.happyidiom.R;import com.example.bz0209.happyidiom.dao.CollectDao;import com.example.bz0209.happyidiom.entity.Animal;import java.util.ArrayList;import java.util.List;/** * Created by Administrator on 2017/5/26. */public class CollectAdapter extends ArrayAdapter<Animal> {    private  int resourceID;    private List<Animal> list = new ArrayList<Animal>();   //private  List<Animal> list;    private Context context;    private CollectDao collectDao;    public CollectAdapter(Context context, int resource, List<Animal> objects,CollectDao collectDao) {        super(context, resource, objects);        //this.context=context;        resourceID=resource;        list=objects;        this.collectDao=collectDao;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        final  Animal  animal=getItem(position);        //final  Animal  a=list.get(position);        //collectDao=new CollectDao(context);        View view;        ViewHolder viewHolder;        if(convertView==null){            view= LayoutInflater.from(getContext()).inflate(resourceID,null);            viewHolder=new ViewHolder();            viewHolder.btnDel=(ImageButton)view.findViewById(R.id.btnDel);            viewHolder.tvName=(TextView)view.findViewById(R.id.tvName);            view.setTag(viewHolder);            viewHolder.btnDel.setOnClickListener(new View.OnClickListener(){                public void onClick(View v){                    AlertDialog.Builder builder=new AlertDialog.Builder(getContext());                    builder.setTitle("确定要删除吗");                    builder.setPositiveButton("确定",new android.content.DialogInterface.OnClickListener(){                        public void onClick(DialogInterface dialogInterface, int which){                            list.remove(animal);                            collectDao.DeleteData(animal.getId());                            //list.clear();                            //collectDao.QueryData(list);                            notifyDataSetChanged();                        }                    //android.content.DialogInterface.OnClickListener listener=                    });                    builder.setNeutralButton("取消",null);                    builder.show();                }            });        }else{            view=convertView;            viewHolder= (ViewHolder) view.getTag();        }        viewHolder.tvName.setText(animal.getName());        return view;    }    class ViewHolder{        TextView tvName;        ImageButton btnDel;    }}

解决办法--

包倒错了 导入了不是此Activity的方法或属性