Broadcast
Main
package com.example.broadcast;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.media.Image;
import android.os.Bundle;
import android.widget.ImageView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView imageView=findViewById(R.id.imageView);
Intent intent=getIntent();
String action=intent.getAction();
String type=intent.getType();
if(Intent.ACTION_SEND.equals(action)&& type!=null){
imageView.setImageURI(intent.getParcelableExtra(intent.EXTRA_STREAM));
}
}
}
AndroidManifest.xml
<action android:name="android.intent.action.SEND"></action>
<category android:name="android.intent.category.DEFAULT"></category>
<data android:mimeType="image/*"></data>
Videoapp
Main
package com.example.videoapp;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.VideoView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
VideoView videoView=findViewById(R.id.videoView);
videoView.setVideoPath("android.resource://"+getPackageName()+"/"+R.raw.v1);
videoView.start();
}
}
Activitylifecycle
Main
package com.example.lifecycle;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button=findViewById(R.id.btn);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(MainActivity.this,Second.class);
startActivity(intent);
}
});
Toast.makeText(this, "OnCreate", Toast.LENGTH_SHORT).show();
}
@Override
protected void onStart() {
super.onStart();
Toast.makeText(this, "OnStart", Toast.LENGTH_SHORT).show();
}
@Override
protected void onResume() {
super.onResume();
Toast.makeText(this, "OnResume", Toast.LENGTH_SHORT).show();
}
@Override
protected void onPause(){
super.onPause();
Toast.makeText(this, "OnPause", Toast.LENGTH_SHORT).show();
}
@Override
protected void onStop(){
super.onStop();
Toast.makeText(this, "OnStop", Toast.LENGTH_SHORT).show();
}
@Override
protected void onDestroy(){
super.onDestroy();
Toast.makeText(this, "OnDestroy", Toast.LENGTH_SHORT).show();
}
@Override
protected void onRestart(){
super.onRestart();
Toast.makeText(this, "OnRestart", Toast.LENGTH_SHORT).show();
}
}
Orderapp
Mian
package com.example.orderapp;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
public static final String msg="com.myactivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void placeorder(View view){
Intent intent=new Intent(this, order.class);
EditText text1=findViewById(R.id.editTextTextPersonName);
EditText text2=findViewById(R.id.editTextTextPersonName2);
String message=text1.getText().toString()+"
"+text2.getText().toString();
//intent.putExtra(msg,message);
//startActivity(intent);
Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
}
}
order
package com.example.orderapp;
import androidx.appcompat.app.AppCompatActivity;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class order extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_order);
Intent intent=getIntent();
String message=intent.getStringExtra(MainActivity.msg);
TextView textView=findViewById(R.id.textView3);
textView.setText(message);
}
}
Listview
Main
package com.example.listviewdemof20;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView=findViewById(R.id.mylist);
ArrayList<String> grocery=new ArrayList<>();
grocery.add("Bhindi");
grocery.add("karailay");
grocery.add("mango");
ArrayAdapter<String> arrayAdapter=new ArrayAdapter<>(this,
android.R.layout.simple_list_item_1,grocery);
listView.setAdapter(arrayAdapter);
listView.setOnItemClickListener((parent, view, position, id) -> {
String text=((TextView)view).getText().toString();
Toast.makeText(MainActivity.this,text,
Toast.LENGTH_SHORT).show();
});
}
}
Fragment
main
package com.example.fragmentdemof20;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentTransaction;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btn1=findViewById(R.id.button);
Button btn2=findViewById(R.id.button2);
btn1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FirstFragment firstFragment=new FirstFragment();
FragmentTransaction
transaction=getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.fragmentContainerView,firstFragment);
transaction.commit();
}
});
btn2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SecondFragment secondFragment=new SecondFragment();
FragmentTransaction
transaction=getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.fragmentContainerView,secondFragment);
transaction.commit();
}
});
}
}
