換頁的第2頁(SecondActivity)建立與動態

換頁的第2頁(SecondActivity)建立與動態/動態/MainActivity

import android.app.Activity;

import android.app.Fragment;

import android.content.Intent;

import android.os.Bundle;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.Button;

import android.widget.EditText;

public class MainActivity extends Activity {

        PlaceholderFragment placeholderFragment;

        @Override

        protected void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                setContentView(R.layout.activity_main);

                placeholderFragment=new PlaceholderFragment();

                if (savedInstanceState == null) {

                        getFragmentManager().beginTransaction()

                                        .add(R.id.container, placeholderFragment).commit();

                }

               

                Bundle dataBundle=new Bundle();

                dataBundle.putString("str2", "this is");

                placeholderFragment.setArguments(dataBundle);

        }

        @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;

        }

        @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();

                if(id==R.id.thirdBtn){

                        Intent i=new Intent(this,ThirdActivity.class);

                        startActivity(i);

                }

                return true;

        }

        /**

         * A placeholder fragment containing a simple view.

         */

        public static class PlaceholderFragment extends Fragment {

                 EditText nameField;

                 EditText ageField;

                 EditText pawField;

                public PlaceholderFragment() {

                }

                @Override

                public View onCreateView(LayoutInflater inflater, ViewGroup container,

                                Bundle savedInstanceState) {

                        View rootView = inflater.inflate(R.layout.fragment_main, container,

                                        false);

                        nameField=(EditText)rootView.findViewById(R.id.nameField);

                        ageField=(EditText)rootView.findViewById(R.id.ageField);

                        pawField=(EditText)rootView.findViewById(R.id.pawField);

                        Button secondBtn=(Button)rootView.findViewById(R.id.secondBtn);

                       

                        secondBtn.setOnClickListener(new View.OnClickListener() {

                               

                                @Override

                                public void onClick(View v) {

                                        String name=nameField.getText().toString();

                                        String age=ageField.getText().toString();

                                        String password=pawField.getText().toString();

                                        Intent i=new Intent(PlaceholderFragment.this.getActivity(),SecondActivity.class);

                                        i.putExtra("name", name).putExtra("age", age).putExtra("paw", password);

                                        startActivity(i);

                                }

                        });

                       

                       

                        return rootView;

                }

        }

}

換頁的第2頁(SecondActivity)建立與動態/建立/Layout 

<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.example.sample14.SecondActivity$PlaceholderFragment" >

    <TextView

        android:id="@+id/nameLabel1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:layout_marginTop="20dp"

        android:layout_marginRight="10dp"       

        android:text="Name:"

        />

   

    <TextView

        android:id="@+id/ageLabel1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignRight="@id/nameLabel1"

        android:layout_below="@id/nameLabel1"

        android:text="Age:"

        android:layout_marginTop="20dp"/>

   

    <TextView

        android:id="@+id/pawLabel1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@id/nameLabel1"

        android:layout_below="@id/ageLabel1"

        android:text="password:"

        android:layout_marginTop="20dp"/>

   

   

   

    <EditText

        android:id="@+id/nameField1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentRight="true"

        android:layout_toRightOf="@id/nameLabel1"

        android:editable="false"

        android:inputType="none"

        android:layout_alignBaseline="@id/nameLabel1"/>

   

    <EditText

        android:id="@+id/ageField1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@id/nameField1"

        android:layout_alignRight="@id/nameField1"

        android:layout_alignBaseline="@id/ageLabel1"

        android:editable="false"

        android:inputType="none"

        />

   

    <EditText

        android:id="@+id/pawField1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_toRightOf="@id/pawLabel1"

        android:layout_alignRight="@id/nameField1"

        android:layout_alignBaseline="@id/pawLabel1"

        android:inputType="none"

        android:editable="false"

        android:layout_marginLeft="10dp"

        />

</RelativeLayout>

換頁的第2頁(SecondActivity)建立與動態/動態/SecondActivity

import android.app.Activity;

import android.app.Fragment;

import android.content.Intent;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

public class SecondActivity extends Activity {

       

        @Override

        protected void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                setContentView(R.layout.activity_second);

                Intent i=getIntent();

                /*

               

                */

                PlaceholderFragment placeholderFragment=new PlaceholderFragment();

                placeholderFragment.myIntent=i;

                if (savedInstanceState == null) {

                        getFragmentManager().beginTransaction()

                                        .add(R.id.container, placeholderFragment).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.second, 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();

                if (id == R.id.action_settings) {

                        return true;

                }

                return super.onOptionsItemSelected(item);

        }

        /**

         * A placeholder fragment containing a simple view.

         */

        public static class PlaceholderFragment extends Fragment {

                public Intent myIntent;

                public PlaceholderFragment() {

                }

                @Override

                public View onCreateView(LayoutInflater inflater, ViewGroup container,

                                Bundle savedInstanceState) {

                        View rootView = inflater.inflate(R.layout.fragment_second,

                                        container, false);

                        String name=myIntent.getStringExtra("name");

                        String age=myIntent.getStringExtra("age");

                        String paw=myIntent.getStringExtra("paw");

                        return rootView;

                }

        }

}