Dialog 和 Activity 之间传递数据

自定义Dialog 类

package com.cikuu.pigai.activity.dialog;import android.app.Activity;import android.os.Bundle;import android.support.v4.app.DialogFragment;import android.util.Log;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.view.Window;import android.view.WindowManager;import android.widget.Button;import android.widget.EditText;import com.cikuu.pigai.R;/** * Created by Administrator on 2015/1/15. */public class ModifyInfoDialog extends DialogFragment {    private Button btnOne;    private Button btnTwo;    private EditText mScoreEditText;    public String mScore;    private static int mPosition;    ModifyInfoDialog f;    public interface NoticeDialogListener {        public void onDialogPositiveClick(DialogFragment dialog, String score, int position);        public void onDialogNegativeClick(DialogFragment dialog);    }    // Use this instance of the interface to deliver action events    NoticeDialogListener mListener;    public ModifyInfoDialog() {        // Empty constructor required for DialogFragment    }    public static ModifyInfoDialog newInstance(String score ,int position) {        ModifyInfoDialog f = new ModifyInfoDialog();        // Supply score input as an argument.        Bundle args = new Bundle();        args.putString("score", score);        args.putInt("position", position);        Log.d("score", score);        f.setArguments(args);        mPosition = f.getArguments().getInt("position",0);        return f;    }    //Override the Fragment.onAttach() method to instantiate the NoticeDialogListener    @Override    public void onAttach(Activity activity) {        super.onAttach(activity);        // Verify that the host activity implements the callback interface        try {            // Instantiate the NoticeDialogListener so we can send events to the host            mListener = (NoticeDialogListener) activity;        } catch (ClassCastException e) {            // The activity doesn't implement the interface, throw exception            throw new ClassCastException(activity.toString()                    + " must implement NoticeDialogListener");        }    }    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container,                             Bundle savedInstanceState) {        getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);        View view = inflater.inflate(R.layout.dialog_input_score2, container);        mScoreEditText = (EditText)view.findViewById(R.id.inputScoreEditText);        btnOne = (Button) view.findViewById(R.id.btnOne);        btnOne.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                try {                    mScore = mScoreEditText.getText().toString();                    mListener.onDialogPositiveClick(ModifyInfoDialog.this, mScore, mPosition);                } catch(NumberFormatException e) {                    return;                }            }        });        btnTwo = (Button) view.findViewById(R.id.btnTwo);        btnTwo.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                mListener.onDialogNegativeClick(ModifyInfoDialog.this);            }        });        return view;    }    @Override    public void onResume() {        getDialog().getWindow().setGravity(Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM);        WindowManager.LayoutParams p = getDialog().getWindow().getAttributes();        p.width = WindowManager.LayoutParams.MATCH_PARENT;        p.height = WindowManager.LayoutParams.WRAP_CONTENT;        //TODO set the offset from the bottom        p.y = 0;        //TODO set the animation        p.windowAnimations = R.style.DialogAnimation;        getDialog().getWindow().setAttributes(p);        super.onResume();    }}

布局文件  <span style="font-family: Arial, Helvetica, sans-serif;">dialog_input_score2</span>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/input_score"    android:layout_width="match_parent" android:layout_height="wrap_content"    android:orientation="vertical">    <TextView        android:layout_width="match_parent"        android:layout_height="64dp"        android:scaleType="center"        android:text = "修改信息"        android:textSize="20sp"        android:gravity="center"        android:textColor="#0000FF"        android:textStyle="bold"        android:background="#FFFFBB33" />    <EditText        android:layout_marginTop="20dp"        android:layout_marginBottom="20dp"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/inputScoreEditText" />    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"        android:layout_width="fill_parent"        android:layout_height="fill_parent" >        <Button            android:id="@+id/btnOne"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignParentRight="true"            android:layout_alignTop="@+id/btnTwo"            android:layout_toRightOf="@+id/view"            android:text="确定" />        <View            android:id="@+id/view"            android:layout_width="0dp"            android:layout_height="1dp"            android:layout_centerHorizontal="true" />        <Button            android:id="@+id/btnTwo"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignParentLeft="true"            android:layout_toLeftOf="@+id/view"            android:text="取消" />    </RelativeLayout></LinearLayout>

<pre name="code" class="java">activity中<span style="font-family: Arial, Helvetica, sans-serif;">调用</span>

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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="white-space:pre">package com.cikuu.pigai.activity.student;import android.app.Dialog;import android.provider.ContactsContract;import android.support.v4.app.DialogFragment;import android.support.v4.app.FragmentManager;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.BaseAdapter;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;import com.cikuu.pigai.R;import com.cikuu.pigai.activity.dialog.InputScoreDialog;import com.cikuu.pigai.activity.dialog.ModifyInfoDialog;import com.cikuu.pigai.businesslogic.Student;import com.cikuu.pigai.httprequest.VolleyRequest;import java.util.ArrayList;import java.util.HashMap;import java.util.List;public class StudentInformationActivity extends ActionBarActivity <span style="color:#3366ff;">implements ModifyInfoDialog.NoticeDialogListener </span>,VolleyRequest.UserInfoModifyCallback {    private VolleyRequest mHttpRequest;    private ListView mListView;    private  Student mStudent;    ModifyInfoDialog mModifyInfoDialog;    StudentInformationAdapter adapter;    ArrayList<Information> listArray;    TextView info_value;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_student_information);        mStudent = Student.GetInstance();        mHttpRequest = new VolleyRequest();        mHttpRequest.mUserInfoModifyCallback =this;        listArray = new ArrayList<>();        Information info1 = new Information("姓名", mStudent.GetDescription().mName);        Information info2 = new Information("学校", mStudent.GetDescription().mSchool);        Information info3 = new Information("学号", mStudent.GetDescription().mStudent_number);        Information info4 = new Information("班级",  mStudent.GetDescription().mClass);        Information info5 = new Information("邮箱", mStudent.GetDescription().mEmail);        Information info6 = new Information("性别", mStudent.GetDescription().mSex);        Information info7 = new Information("院系", "暂无");        Information info8 = new Information("生日", "暂无");        Information info9 = new Information("手机", mStudent.GetDescription().mTel);        listArray.add(info1);        listArray.add(info2);        listArray.add(info3);        listArray.add(info4);        listArray.add(info5);        listArray.add(info6);        listArray.add(info7);        listArray.add(info8);        listArray.add(info9);        mListView = (ListView) findViewById(R.id.user_info);         adapter = new StudentInformationAdapter(listArray);        mListView.setAdapter(adapter);       <span style="color:#3366ff;"> mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {                FragmentManager fm = getSupportFragmentManager();                mModifyInfoDialog   =  ModifyInfoDialog.newInstance("60",position);                mModifyInfoDialog .show(fm, "score");            }        });</span>    }    @Override    public void UserInfoModify() {        Toast.makeText(this, "修改成功", Toast.LENGTH_LONG).show();    }    @Override    public void ErrorNetwork() {    }  <span style="color:#3366ff;">  @Override    public void onDialogPositiveClick(DialogFragment dialog,  String modify, int position) {        listArray.get(position).value = modify;        adapter.notifyDataSetChanged();        mHttpRequest.UserInfoModify(mStudent.GetDescription().mUid,  listArray.get(0).value , listArray.get(1).value,  listArray.get(2).value,  listArray.get(3).value);       mStudent.mStudentDescription.mName = listArray.get(0).value;        mStudent.mStudentDescription.mSchool =listArray.get(1).value;        mStudent.mStudentDescription.mStudent_number =listArray.get(2).value;        mStudent.mStudentDescription.mClass=listArray.get(3).value;        mModifyInfoDialog.dismiss();    }    @Override    public void onDialogNegativeClick(DialogFragment dialog) {        mModifyInfoDialog.dismiss();    }</span>    class Information {        String name;        String value;        Information( String n, String v) {            name = n;            value = v;        }    }    public class StudentInformationAdapter extends BaseAdapter {        private ArrayList<Information> mListItems;        public StudentInformationAdapter(ArrayList<Information> listItems) {            mListItems = listItems;        }        @Override        public int getCount() {            return mListItems.size();        }        @Override        public Object getItem(int position) {            return mListItems.get(position);        }        @Override        public long getItemId(int position) {            return position;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            View view;            view = View.inflate(StudentInformationActivity.this,R.layout.student_info_listview,null) ;            Information item = mListItems.get(position);            TextView info = (TextView) view.findViewById( R.id.user_info);            info_value = (TextView) view.findViewById( R.id.user_value);            info.setText(item.name);            info_value.setText(item.value);            return view;        }    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.menu_student_information, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        //noinspection SimplifiableIfStatement        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }}</span></span>

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