Android Tutorials

Many of the times when we are dealing with Android app development, we need to change the profile mode of our phone as per user's requirement or if you are working with location based app then you need to change the mode according to the location. In this tutorial, i will show you how to change the profile mode of our phone Programmatically. 

  Follow these simple steps:
1. In the Activity_main.xml file, drag and drop three buttons. If you want to setup an easy UI, just copy and paste the following code into your XML file.

<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=".MainActivity" >     <Button         android:id="@+id/btnSilent"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignParentTop="true"         android:layout_centerHorizontal="true"         android:layout_marginTop="56dp"         android:text="Silent" />     <Button         android:id="@+id/btnVibe"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignLeft="@+id/btnSilent"         android:layout_below="@+id/btnSilent"         android:layout_marginTop="61dp"         android:text="Viberate" />     <Button         android:id="@+id/btnRinger"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignLeft="@+id/btnVibe"         android:layout_below="@+id/btnVibe"         android:layout_marginTop="82dp"         android:text="Ringer" /> </RelativeLayout>

package com.example.modeswitcher; import android.media.AudioManager; import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity {        Button btnSilent, btnVibe, btnRinger;        @Override        protected void onCreate(Bundle savedInstanceState) {               super.onCreate(savedInstanceState);               setContentView(R.layout.activity_main);               final AudioManager mode=(AudioManager)this.getSystemService(Context.AUDIO_SERVICE);               // Initialization of buttons               btnSilent = (Button) findViewById(R.id.btnSilent);               btnVibe = (Button) findViewById(R.id.btnVibe);               btnRinger = (Button) findViewById(R.id.btnRinger);               // functionallity of btnSilent               btnSilent.setOnClickListener(new View.OnClickListener() {                      @Override                      public void onClick(View arg0) {                            // TODO Auto-generated method stub                            mode.setRingerMode(AudioManager.RINGER_MODE_SILENT);                            Toast.makeText(getApplicationContext(), "silent mode set", Toast.LENGTH_LONG).show();                      }               });               // functionallity of btnVibe               btnVibe.setOnClickListener(new View.OnClickListener() {                      @Override                      public void onClick(View arg0) {                            // TODO Auto-generated method stub                            mode.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);                            Toast.makeText(getApplicationContext(), "Viberate mode set", Toast.LENGTH_LONG).show();                      }               });               // functionallity of btnRinger               btnRinger.setOnClickListener(new View.OnClickListener() {                      @Override                      public void onClick(View arg0) {                            // TODO Auto-generated method stub                            mode.setRingerMode(AudioManager.RINGER_MODE_NORMAL);                            Toast.makeText(getApplicationContext(), "Ringer mode set", Toast.LENGTH_LONG).show();                      }               });        }        @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;        } }

Now we are done with the basics for implementing the Google Map version 2 (v2) in the Android application. Now one last step of this is how to display the Map in the UI (User Interface). To do so just follow these simple steps given bellow. Before this, make sure that you have successfully generated the SHA1 key and Google API key.

Now we are done with Getting the SHA1 key from our computer. If you haven't do this till now, see this tutorial to know how to get SHA1 key. After you successfully generated SHA1 key, now we will learn how to Generate Google APIs for our project. Follow these simple steps: