PowenKo > Android > Change Theme at the run-time

February 21, 2012   ·   0 Comments

Screen Shot 2012-02-20 at 10.12.12 PM


sample code: Tutorial_theme

package com.powenko;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.RadioButton;
import android.widget.Toast;


public class Tutorial_themeActivity extends Activity {
	 public void onCreate(Bundle savedInstanceState) {
         if ("Large".equalsIgnoreCase( getIntent().getStringExtra( "Theme" )))
         {
             setTheme(R.style.Theme_Large);
         }
         else if ("Small".equalsIgnoreCase( getIntent().getStringExtra( "Theme" )))
         {
             setTheme(R.style.Theme_Small);
         }
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);

         RadioButton largeText = ( RadioButton ) findViewById( R.id.textSizeLarge );
         largeText.setOnClickListener( new OnClickListener() {
             public void onClick( View view ) {
                 Toast.makeText(Tutorial_themeActivity.this, "Large Text Selected", Toast.LENGTH_SHORT).show();
            Intent intent = getIntent();
            intent.putExtra( "Theme", "Large" );
            finish();
            startActivity(intent);
        }
    } );

    RadioButton smallText = ( RadioButton ) findViewById( R.id.textSizeSmall );
    smallText.setOnClickListener( new OnClickListener() {
        public void onClick( View view ) {
            Toast.makeText(Tutorial_themeActivity.this, "Small Text Selected", Toast.LENGTH_SHORT).show();
            Intent intent = getIntent();
            intent.putExtra( "Theme", "Small" );
            finish();
            startActivity(intent);
        }
    } );
}
}


values/attrs.xml

<?xml version="1.0" encoding="utf-8"?>
  <resources>
       <!-- View styles -->
       <attr name="textTitle" format="reference" />
       <attr name="textBody" format="reference" />
  </resources>

values/color.xml

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
  <drawable name="darkgray">#808080</drawable> 
  <drawable name="white">#FFFFFF</drawable> 
  <drawable name="blue">#0000FF</drawable> 
  <drawable name="green">#00FF00</drawable> 
  <drawable name="tblue">#801E68A7</drawable> 
  <drawable name="tgray">#50808080</drawable> 
  <drawable name="tdarkgray">#ee444444</drawable> 
</resources>

res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyTheme" parent="android:Theme.Light">
    <item name="android:windowNoTitle">true</item>
    <item name="android:listViewStyle">@style/MyListView</item>
</style>

  <style name="MyListView" parent="@android:style/Widget.ListView">
  </style>
  
  
<style name="CodeFont" parent="@android:style/TextAppearance.Medium">
        <item name="android:layout_width">fill_parent</item>
        <item name="android:layout_height">wrap_content</item>
        <item name="android:textColor">#00FF00</item>
        <item name="android:typeface">monospace</item>
       
        </style>



   <style name="small_title_text">
      <item name="android:textSize">22sp</item>
      <item name="android:textColor">#00FFFF</item>
      <item name="android:textStyle">normal</item>
      <item name="android:paddingBottom">5dip</item>
   </style>
   <style name="small_body_text">
      <item name="android:textSize">16sp</item>
      <item name="android:textColor">#FFFF00</item>
      <item name="android:textStyle">normal</item>
      <item name="android:paddingBottom">5dip</item>
   </style>
   <style name="large_title_text">
      <item name="android:textSize">28sp</item>
      <item name="android:textColor">#FF0000</item>
      <item name="android:textStyle">normal</item>
      <item name="android:paddingBottom">5dip</item>
   </style>

   <style name="large_body_text">
      <item name="android:textSize">20sp</item>
      <item name="android:textColor">#FFFFFF</item>
      <item name="android:textStyle">normal</item>
      <item name="android:paddingBottom">5dip</item>
   </style>

  <!-- Base application theme is the default theme. -->
  <style name="Theme" parent="android:Theme">
  </style>

  <style name="Theme.Small">
     <item name="textTitle">@style/small_title_text</item>
     <item name="textBody">@style/small_body_text</item>
  </style>

  <style name="Theme.Large">
      <item name="textTitle">@style/large_title_text</item>
      <item name="textBody">@style/large_body_text</item>
  </style>





</resources>

shareShare on FacebookShare on Google+Share on LinkedInEmail this to someonePrint this pageBuffer this pageDigg thisFlattr the authorShare on RedditPin on PinterestShare on StumbleUponShare on TumblrTweet about this on Twitter

By


Readers Comments (0)


You must be logged in to post a comment.

PowenKo’s Online Store

powenko_arduinoBook
Android7

Amazon

adsbygoogle

Recent Posts

Categories

Amazon