Posts

Showing posts from February, 2021

Camera Application

-
 MainActivity -    package com.example.cameraapplication; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import android.Manifest; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.os.Build; import android.os.Bundle; import android.provider.MediaStore; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageView; import android.widget.Toast; import java.io.IOException; public class MainActivity extends AppCompatActivity implements View.OnClickListener {     ImageView imageView;     Button camera, setWall;     Bitmap bitmap;     private static final int PERMISSION_REQUEST_CODE = 100;     private static final int...
Post a Comment
Read more

Login Example

-
 Mainactivity - package com.example.loginvalidation; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.view.Window; import android.view.WindowManager; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         requestWindowFeature(Window.FEATURE_NO_TITLE);         getSupportActionBar().hide();         this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);         setContentView(R.layout.activity_main);         Thread thread=new Thread(){             @Override             public void run() {               ...
Post a Comment
Read more

Intent Method

-
 MainActivity - package com.example.intent; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MainActivity extends AppCompatActivity {     Button button;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         button=findViewById(R.id.nextpage);         button.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 Intent intent=new Intent(MainActivity.this,Home_Activity.class);                 startActivity(intent);    ...
Post a Comment
Read more

Weight Property

-
  MainActivity -   package com.example.wieghtproperty; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);     } } ------------------------------------------------------------------------------------------------------------------------------- activity_main - <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical"     android:paddin...
Post a Comment
Read more

Multi-Line Layout

-
 MainActivity - package com.example.multiplelinearlayout; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);     } } ------------------------------------------------------------------------------------------------------------------------ activity_main - <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical"     tools:context=".MainAct...
Post a Comment
Read more

Screen Orientation.

-
 MainActivity - package com.example.screenorientation; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);     } } ---------------------------------------------------------------------------------------------------------------------------- activity_main - <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical"     android:gravity="cente...
Post a Comment
Read more

Data Passing (Intent).

-
 MainActivity - package com.example.datapassing; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity {     EditText username, password;     Button buttonLogin;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         username = findViewById(R.id.username);         password = findViewById(R.id.password);         buttonLogin = findViewById(R.id.send);         buttonLogin.setOnClickListener(new View.OnClickListener() {             @Override             public void on...
Post a Comment
Read more
-
 MainActivity -   package com.example.lifecyclemethod; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         Log.d("Android", "onCreate Called");     }     @Override     protected void onStart() {         super.onStart();         Log.d("Android", "onStart Called");     }     @Override     protected void onResume() {         super.onResume();         Log.d("Android", "onResume Called");     }     @Override     protected void onPause() {         su...
Post a Comment
Read more