不同Fragment传数据

实现点击按钮弹出对话框型fra，并从第二fragment获取EditeText的数据返回到第一Fra中并显示。

 

第一fra

 1 package com.example.ourdiary.entries.write_page;
 2 
 3 import android.os.Bundle;
 4 import android.util.Log;
 5 import android.view.LayoutInflater;
 6 import android.view.View;
 7 import android.view.ViewGroup;
 8 import android.widget.TextView;
 9 
10 import androidx.annotation.NonNull;
11 import androidx.annotation.Nullable;
12 import androidx.fragment.app.Fragment;
13 import androidx.fragment.app.FragmentResultListener;
14 
15 import com.example.ourdiary.R;
16 
17 import com.example.ourdiary.entries.DiaryActivity;
18 import com.google.android.material.floatingactionbutton.FloatingActionButton;
19 
20 
21 public class DiaryWriteFragment extends Fragment {
22 
23     private DiaryActivity activity;
24     FloatingActionButton fab_diary_write;
25     TextView tv_title,tv_content;
26     String result_title,result_content;
27 
28 
29     public DiaryWriteFragment(DiaryActivity activity) {
30         this.activity = activity;
31     }
32 
33 
34 
35     public void onCreate(Bundle savedInstanceState) {
36         super.onCreate(savedInstanceState);
37         getParentFragmentManager().setFragmentResultListener("requestDiaryInputKey", this, new FragmentResultListener() {
38             @Override
39             public void onFragmentResult(@NonNull String requestKey, @NonNull Bundle bundle) {
40                 // We use a String here, but any type that can be put in a Bundle is supported
41                 result_title = bundle.getString("bundle_title");
42                 result_content = bundle.getString("bundle_content");
43 //                Log.d("test",result_title);
44 //                Log.d("test",result_content);
45                 tv_title.setText(result_title);
46                 tv_content.setText(result_content);
47             }
48         });
49     }
50 
51     /**
52      *
53      *@author home
54      *@time 2021/3/20 0:05
55      */
56     public View onCreateView(LayoutInflater inflater, ViewGroup container,
57                              Bundle savedInstanceState) {
58         View rootView = inflater.inflate(R.layout.fg_diary_write,container,false);
59         return rootView;
60     }
61 
62     @Override
63     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
64         tv_title = view.findViewById(R.id.tv_fg_diary_write_title);
65         tv_content = view.findViewById(R.id.tv_fg_diary_write_content);
66         fab_diary_write = view.findViewById(R.id.fab_diary_write);
67 
68         fab_diary_write.setOnClickListener(view1 -> {
69             DiaryWriteInputFragment diaryWriteInputFragment = new DiaryWriteInputFragment();
70             diaryWriteInputFragment.show(activity.getSupportFragmentManager(),"diaryInputDialogFragment");
71         });
72     }
73 
74 }

 

第二fra

 1 package com.example.ourdiary.entries.write_page;
 2 
 3 import android.app.Dialog;
 4 import android.content.DialogInterface;
 5 import android.os.Bundle;
 6 import android.util.Log;
 7 import android.view.LayoutInflater;
 8 import android.view.View;
 9 import android.widget.Button;
10 import android.widget.EditText;
11 
12 import androidx.annotation.NonNull;
13 import androidx.annotation.Nullable;
14 import androidx.appcompat.app.AlertDialog;
15 import androidx.fragment.app.DialogFragment;
16 
17 import com.example.ourdiary.R;
18 import com.google.android.material.floatingactionbutton.FloatingActionButton;
19 
20 public class DiaryWriteInputFragment extends DialogFragment {
21 
22     EditText et_title,et_content;
23     FloatingActionButton fab_save;
24 
25     @Override
26     public Dialog onCreateDialog(Bundle savedInstanceState) {
27         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
28 
29         LayoutInflater inflater = getActivity().getLayoutInflater();
30         View view = inflater.inflate(R.layout.fg_diary_write_input, null);
31         builder.setView(view);
32         et_title = view.findViewById(R.id.et_diary_write_title);
33         et_content = view.findViewById(R.id.et_diary_write_content);
34         fab_save = view.findViewById(R.id.fab_diary_input_save);
35 
36 
37         fab_save.setOnClickListener(v -> {
38 //            Log.d("test","buttonsave!");
39             Bundle result = new Bundle();
40             result.putString("bundle_title", String.valueOf(et_title.getText()));
41             result.putString("bundle_content", String.valueOf(et_content.getText()));
42             getParentFragmentManager().setFragmentResult("requestDiaryInputKey", result);
43             dismiss();//使此fragment消失
44         });
45         return  builder.create();
46     }
47 
48     @Override
49     public void onCancel(@NonNull DialogInterface dialog) {
50         super.onCancel(dialog);
51     }
52 
53 }

 

 

第一fra的xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     xmlns:tools="http://schemas.android.com/tools"
 6     android:orientation="vertical">
 7 
 8     <LinearLayout
 9         android:layout_width="match_parent"
10         android:layout_height="wrap_content"
11         android:orientation="vertical">
12 
13         <TextView
14             android:id="@+id/tv_fg_diary_write"
15             android:layout_width="wrap_content"
16             android:layout_height="wrap_content"
17             android:text="this is write fragment!"
18             android:textSize="30sp"
19             android:paddingLeft="10dp"/>
20 
21         <TextView
22             android:id="@+id/tv_fg_diary_write_title"
23             android:layout_width="match_parent"
24             android:layout_height="wrap_content"/>
25 
26         <TextView
27             android:id="@+id/tv_fg_diary_write_content"
28             android:layout_width="match_parent"
29             android:layout_height="wrap_content"/>
30 
31   
32     <RelativeLayout
33         android:layout_alignParentRight="true"
34         android:layout_alignParentBottom="true"
35         android:layout_width="wrap_content"
36         android:layout_height="wrap_content">
37 
38         <LinearLayout
39             android:layout_width="wrap_content"
40             android:layout_height="wrap_content"
41             android:orientation="vertical"
42             android:paddingRight="20dp"
43             android:paddingBottom="20dp">
44 
45                 <com.google.android.material.floatingactionbutton.FloatingActionButton
46                 android:backgroundTint="@color/light_blue"
47                 android:id="@+id/fab_diary_write"
48                 android:layout_width="wrap_content"
49                 android:layout_height="wrap_content"
50                 android:contentDescription="add"
51                 android:tint="@color/color_White"
52                 android:src="@drawable/iv_memo_item_add_icon"/>
53         </LinearLayout>
54     </RelativeLayout>
55 
56 </RelativeLayout>

 

第二fra的xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <EditText
        android:id="@+id/et_diary_write_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="enter your title here!"
        android:textColorHint="@color/color_black"/>


    <EditText
        android:id="@+id/et_diary_write_content"
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp"
        android:hint="enter your content here!"
        android:textColorHint="@color/color_black"/>


    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:backgroundTint="@color/light_blue"
            android:id="@+id/fab_diary_input_save"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:contentDescription="add"
            android:tint="@color/color_White"
            android:layout_centerHorizontal="true"
            android:src="@drawable/iv_diary_save"/>


    </RelativeLayout>

</LinearLayout>

 

 
 
 
 
 
 
 
 
 
 

posted on 2021-04-17 15:24  stuMartin  阅读(95)  评论(0)  编辑  收藏  举报

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