Your Android Study

Step 01: Make A Menu.xml  Step 02: Make A LinearLayout For Test The Changing Of Color MainActivity.xml Step 03 : Now Follow The JAVA Codes MainActivity.JAVA public class MainActivity extends AppCompatActivity { private LinearLayout linearLayout; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); linearLayout=(LinearLayout) findViewById(R.id.line1); if(loadColor()!=getResources().getColor(R.color.colorPrimary)) { linearLayout.setBackgroundColor(loadColor()); } } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater menuInflater=getMenuInflater(); menuInflater.inflate(R.menu.menu_layout,menu); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { if(...

Step 01: Make A User Interface- Step 01:Write Some Codes Using SharedPreferences for storing android data and load it again public class MainActivity extends AppCompatActivity implements View.OnClickListener { private EditText usernameEditText,passwordEditText; private Button saveButton,loadButton; private TextView dataText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); usernameEditText= (EditText) findViewById(R.id.userNameID); passwordEditText=(EditText) findViewById(R.id.PasswordID); saveButton= (Button) findViewById(R.id.saveID); loadButton= (Button) findViewById(R.id.loadID); dataText=(TextView)findViewById(R.id.dataID); saveButton.setOnClickListener(this); loadButton.setOnClickListener(this); ...

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); getSupportActionBar().setDisplayShowHomeEnabled(true); getSupportActionBar().setLogo(R.drawable.ic_launcher_background); getSupportActionBar().setDisplayUseLogoEnabled(true); } }

In order to add a share menu on action bar. First you needs to make a menu item, that i was showed in the previous post. Now according to previous post add this mymenu.xml file on your main java by below codes. Now you needs to make  onOptionsItemSelected method according to following code and handle the share option menu by using  Intent intent= new Intent(Intent. ACTION_SEND ); intent.setType( "text/plain" ); startActivity(Intent. createChooser (intent, "Share With" )); @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater menuInflater=getMenuInflater(); menuInflater.inflate(R.menu.mymenu,menu); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { if(item.getItemId()==R.id.shareID) { Intent intent=new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); startActivity(Intent.createCh...

Step 01- Create A menu as mymenu.xml Step 01- Follow The Codes For MainActivity.Java public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater menuInflater=getMenuInflater(); menuInflater.inflate(R.menu.mymenu,menu); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { if(item.getItemId()==R.id.SettingId) { Toast.makeText(getApplicationContext(),"Setting is selected", Toast.LENGTH_LONG).show(); } if(item.getItemId()==R.id.ShareId) { Toast.makeText(getApplicationContext(),"Share is selected", T...

Step 01: Splash Screen Activity XML Step 02: Splash Screen Activity JAVA public class SplashActivity extends AppCompatActivity { int progress; private ProgressBar progressBar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //Remove Tile Bar requestWindowFeature(Window.FEATURE_NO_TITLE); //Remove Window bar getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN ); setContentView(R.layout.activity_splash); progressBar= (ProgressBar) findViewById(R.id.progressBarId); Thread thread=new Thread(new Runnable() { @Override public void run() { doWork(); startApp(); } }); thread.start(); } public void doWork() { for(progress=20;progress Step 03: Mai...

Step-01: First Make Progress Bar On Android MainActivity.XML Like Following.. Step-02: Now Write Some Java Code At MainActivity.Java public class MainActivity extends AppCompatActivity { int progress; private ProgressBar progressBar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); progressBar= (ProgressBar) findViewById(R.id.progressBarId); Thread thread=new Thread(new Runnable() { @Override public void run() { doWork(); } }); thread.start(); } public void doWork() { for(progress=20;progress

Step 01: Make Flat Button Follow The Below MainActivity.XML Step 01: Write Some Code For Make Sound Effect Button OnClick private Button btn; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn= (Button) findViewById(R.id.button2); final MediaPlayer mp = MediaPlayer.create(this,R.raw.oun); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mp.start(); } });

Follow The Below Java Codes for MainActivity.xml public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //Remove Tile Bar requestWindowFeature(Window.FEATURE_NO_TITLE); //Remove Window bar getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN ); setContentView(R.layout.activity_main); } } Go To the Style.xml among the resource file and add NoActionBar Attribute Like this.

Try To Understands the following java codes for Alert Dialog public class MainActivity extends AppCompatActivity implements View.OnClickListener { private Button exitbutton; private AlertDialog.Builder alertbuilder; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); exitbutton= (Button) findViewById(R.id.exitId); exitbutton.setOnClickListener(this); } @Override public void onClick(View v) { alertbuilder = new AlertDialog.Builder(MainActivity.this); //for setting Title alertbuilder.setTitle(R.string.title); //for setting Messsage alertbuilder.setMessage(R.string.message); //for Settting Icon alertbuilder.setIcon(R.drawable.sign); alertbuilder.setCancelable(false); alertbuilder.setPositiveButton("YES", new DialogInterface.OnClickL...

Follow The Below XML Codes Using layout_weight and weightSum Properties.  weightSum or layout_weight properties is very essential for responsive android apps design.

Step 01: Make A Zoom Control With Image View MainActivity.xml Step 02: Write Some Java Code For Zoom Control MainActivity.Java   public class MainActivity extends AppCompatActivity { private ImageView imageView; private ZoomControls zoomControls; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); imageView= (ImageView) findViewById(R.id.ImageViewId); zoomControls = (ZoomControls) findViewById(R.id.ZoomControlId); zoomControls.setOnZoomInClickListener(new View.OnClickListener() { @Override public void onClick(View v) { float x= imageView.getScaleX(); float y=imageView.getScaleY(); imageView.setScaleX((float)x+1); imageView.setScaleY((float)y+1); } }); zoomControls.setOnZoo...

Step-01:Create a Switch First.. Step-02: Write Some Java Code And Set OnCheckedChangeListener for switch MainActivity.Java public class MainActivity extends AppCompatActivity { private Switch aSwitch; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); aSwitch= (Switch) findViewById(R.id.switchId); aSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if(isChecked) { Toast.makeText(getApplicationContext(),"ON", Toast.LENGTH_SHORT).show(); } else { Toast.makeText(getApplicationContext(),"OFF", Toast.LENGTH_SHORT).show(); } } ...

Step-01: Make Seek Bar according to the MainActivity.xml Step-02: Make Seek Bar according to the MainActivity.JAVA public class MainActivity extends AppCompatActivity { private SeekBar seekBar; private TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); seekBar= (SeekBar) findViewById(R.id.SeekBarID); textView = (TextView) findViewById(R.id.TextViewID); textView.setText("Volume: "+seekBar.getProgress()+"/"+seekBar.getMax() ); seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { textView.setText("Volume: "+progress+"/"+seekBar.getMax() ); } @Override public void onStartTrackingTouch(SeekBar seekBar) ...

Step01: First Create RatingBar With Required RatingBar Properties MainActivity.xml Step01: Follow Java Code and setOnRatingBarChangeListener MainActivity.Java public class MainActivity extends AppCompatActivity { private RatingBar ratingBar; private TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ratingBar = (RatingBar) findViewById(R.id.ratingBarId); textView = (TextView) findViewById(R.id.textViewId); ratingBar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() { @Override public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) { textView.setText("Value = "+rating); } }); } }

   Step01: First Create MainActivity.xml following this.  Step02: First Create MainActivity.Java following this. package com.example.rupom.radiobuttondemo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private Button SubmitButton; private RadioGroup RadioGroup1; private TextView TextView1; private RadioButton GenderButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); SubmitButton= (Button) findViewById(R.id.SubmitButtonID); RadioGroup1 =(RadioGroup) findViewById(R.id.RadioGroupID); TextView1=(TextView) findViewById(...