46 Android fragment-activity間の伝達値

left.xml(fragmentロード)

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="#f0f000"
     >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="  Activity     " />

</LinearLayout>

activity_main.xmlレイアウトファイルコード

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    tools:context=".MainActivity" >

    <LinearLayout
        android:id="@+id/left"
        android:layout_width="300dp"
        android:layout_height="match_parent"
       
        android:background="#cccccc"
        android:orientation="vertical" >
    </LinearLayout>

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:ems="10" >

        <requestFocus />
    </EditText>

</LinearLayout>

LeftFragment extends Fragment

package com.example.android_fragment_activity2;

import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class LeftFragment extends Fragment {
	@Override
	public void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
	}
	
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		View view=inflater.inflate(R.layout.left, null);
	    Button button=(Button)view.findViewById(R.id.button1);
	    button.setOnClickListener(new View.OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				EditText editText=(EditText)getActivity().findViewById(R.id.editText1);
				String str=editText.getText().toString();
				Toast.makeText(getActivity(), "-->>>"+str, 1).show();
			}
		});
;		return view;
	}
	
	@Override
	public void onPause() {
		// TODO Auto-generated method stub
		super.onPause();
	}

}

MainActivity.java

package com.example.android_fragment_activity2;

import android.os.Bundle;
import android.app.Activity;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.view.Menu;

public class MainActivity extends Activity {

	private FragmentManager manager;
	private FragmentTransaction transaction; 
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		manager=getFragmentManager();
		transaction=manager.beginTransaction();
		LeftFragment fragment=new LeftFragment();
		transaction.add(R.id.left, fragment, "left");
		transaction.commit();
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}