activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
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=".MainActivity" >
<TableRow
android:id="@+id/tableRow1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<Button
android:id="@+id/button_addfraga"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="add FragA" />
<Button
android:id="@+id/button_replacefragb"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Replace FragB" />
</TableRow>
<TableRow
android:id="@+id/tableRow2"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<Button
android:id="@+id/button_replacefragc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Replace FragC" />
<Button
android:id="@+id/button_removefragc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Remove Fragc" />
</TableRow>
<FrameLayout
android:id="@+id/fragArea"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
</LinearLayout>
fraga.xml:
<?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="#ccffcc">
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="This is FragmentA"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
fragb.xml:
<?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="#ccffff">
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="This is FragmentB"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
fragc.xml:
<?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="#ffffcc">
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="This is Fragmentc"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
FragA.java:
package com.ram.fragmenttransactions;
import android.annotation.SuppressLint;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@SuppressLint("NewApi")
public class FragA extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
return inflater.inflate(R.layout.fraga, container, false);
}
}
FragB.java:
package com.ram.fragmenttransactions;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class Fragb extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
return inflater.inflate(R.layout.fragb, container, false);
}
}
FragC.java:
package com.ram.fragmenttransactions;
import android.annotation.SuppressLint;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@SuppressLint("NewApi")
public class FragC extends Fragment{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
return inflater.inflate(R.layout.fragc, container, false);
}
}
MainActivity.java:
package com.ram.fragmenttransactions;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
@SuppressLint("NewApi")
public class MainActivity extends Activity implements OnClickListener {
Button b1, b2, b3, b4;
FragmentManager fm;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
fm = getFragmentManager();
b1 = (Button) findViewById(R.id.button_addfraga);
b2 = (Button) findViewById(R.id.button_replacefragb);
b3 = (Button) findViewById(R.id.button_replacefragc);
b4 = (Button) findViewById(R.id.button_removefragc);
b1.setOnClickListener(this);
b2.setOnClickListener(this);
b3.setOnClickListener(this);
b4.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.button_addfraga:
FragmentTransaction ft1 = fm.beginTransaction();
ft1.add(R.id.fragArea, new FragA());
ft1.commit();
break;
case R.id.button_replacefragb:
FragmentTransaction ft2 = fm.beginTransaction();
ft2.replace(R.id.fragArea, new Fragb());
ft2.addToBackStack(null);
ft2.commit();
break;
case R.id.button_replacefragc:
FragmentTransaction ft3 = fm.beginTransaction();
ft3.replace(R.id.fragArea, new FragC(), "fragc");
ft3.addToBackStack(null);
ft3.commit();
break;
case R.id.button_removefragc:
FragmentTransaction ft4 = fm.beginTransaction();
FragC fc = (FragC) fm.findFragmentByTag("fragc");
ft4.remove(fc);
ft4.commit();
break;
}
}
}
EmoticonEmoticon