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Showing posts from July, 2013

Simple ListFragment Example in Android

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This post will help you to create simple ListFragment in android.

MainActivity.java

package com.example.listfragmentexample; import android.os.Bundle; import android.app.Activity; import android.app.FragmentManager; import android.app.ListFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ListView; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); FragmentManager fm = getFragmentManager(); if (fm.findFragmentById(android.R.id.content) == null) { SimpleListFragment list = new SimpleListFragment(); fm.beginTransaction().add(android.R.id.content, list).commit(); } } public static class SimpleListFragment extends ListFragment { String[] numbers_text = new String[] { "one", "two", "three", "four", "five", &qu…

Simple Fragment Example in Android

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This post will help you to create simple Fragment in android.

MainActivity.java

package com.simple.sfragmentexample; import android.os.Bundle; import android.app.Activity; import android.app.Fragment; import android.app.FragmentTransaction; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends Activity { int i = 1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fragment_simple); if (savedInstanceState == null) { Fragment newFragment = SimpleAddition.newInstance(i); FragmentTransaction ft = getFragmentManager().beginTransaction(); ft.add(R.id.FrameLayout1, newFragment).commit(); } else { i = savedInstanceState.getInt("level"); } } @Override public void onSaveInsta…

Simple Fragments with Action Bar Example in Android

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A Fragment represents a behavior of user interface in an Activity. A activity can have more than one fragments and also a fragment can be used in more than one activities.

Screen Shots of following tutorial.
Fragment 1



Fragment 2



See, Here I have used the Action Bar to navigate between tabs. Which were added in Android 3.0 (API level 11). So in lower version Action Bar doesn't work. You can take this post as Simple Action Bar tutorial in Android too :)

Following class works as a home for those two Fragments.
FragmentTabs.java

package com.example.fragmentexample; import android.app.ActionBar; import android.app.ActionBar.Tab; import android.app.Activity; import android.app.Fragment; import android.app.FragmentTransaction; import android.os.Bundle; public class FragmentTabs extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final ActionBar bar = getActionBar(); bar.setNavigationMode(ActionBar.NAVIGATION_MOD…

Change spinner text color by button click

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We can change the color of spinner text by click the button. Following four steps will explain it clearly.
1. Create a xml named spinnertext.xml in res/layout folder. Here we customize the text of spinner.

spinnertext.xml &ltTextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/spinnerText" style="?android:attr/spinnerItemStyle" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center" android:paddingBottom="2dp" android:paddingLeft="6dp" android:textColor="#662293" /&gt
2. Create a xml named spinner_selector.xml in res/layout folder. Here we customize the spinner drop down menu.

spinner_selector.xml &ltTextView xmlns:android="http://schemas.android.com/apk/res/android" style="?android:attr/spinnerItemStyle" android:layout_width="fill_parent" …