Reasoning-Number Series

Program on Alert Dialog and Progress Dialog in Android Studio.

activity_main.xml

xml version="1.0" encoding="utf-8"?><LinearLayout
    android:id="@+id/activity_main"    android:layout_width="match_parent"    android:orientation="vertical"    android:layout_height="match_parent"    tools:context=".MainActivity">

    <Button        android:text="Normal Dialog Box"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/button"         android:onClick="onClick"/>

    <Button        android:text="Progressive Dialog Box"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/button2"        android:onClick="onClick2"/>

    <Button        android:text="Latest Dialog Box"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/button3"        android:onClick="onClick3"/>

</LinearLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity {
CharSequence[] items={"Google","Yahoo","Microsoft"};
    boolean[] itemsChecked=new boolean[items.length];
    ProgressDialog dialog;
    AlertDialog dilog;
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    public void onClick(final View view){
        AlertDialog.Builder alert=new AlertDialog.Builder(this);
        alert.setTitle("Normal Alert Dialog Box");

        //SET MULTI CHOICE ITEMS DOESN'T WORK IF WE USE "SET MESSAGE".

        //alert.setMessage("This is a normal Dialog box,select your options accordingly");

        alert.setIcon(R.mipmap.ic_launcher);
        alert.setPositiveButton("OK", new DialogInterface.OnClickListener() {//sets positive button like OK
            @Override            public void onClick(DialogInterface dialogInterface, int i) {
                Toast.makeText(getApplicationContext(),"OK Clicked",Toast.LENGTH_LONG).show();
            }
        });
        alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {//sets negative button like Cancel
            @Override            public void onClick(DialogInterface dialogInterface, int i) {
                Toast.makeText(getApplicationContext(),"Cancelling",Toast.LENGTH_LONG).show();
                dilog.dismiss();
            }
        });
        alert.setMultiChoiceItems(items, itemsChecked, new DialogInterface.OnMultiChoiceClickListener() {
            @Override            public void onClick(DialogInterface dialogInterface, int which, boolean isChecked) {
                Toast.makeText(getApplicationContext(),items[which] + (isChecked ? " Checked!":" UnChecked!"),Toast.LENGTH_SHORT).show();
            }
        });
         dilog=alert.create();
        dilog.show();
    }

    public void onClick2(final View v){

         dialog=new ProgressDialog(MainActivity.this);//creating an instance of progress dialog
        dialog.show();//Displaying progress layout
        dialog.setTitle("Loading");//setting title
        dialog.setMessage("Please Wait");//setting message
        dialog.setCancelable(true);//settting cancel option


        new Thread(new Runnable() {
            @Override            public void run() {
                try{
                    Thread.sleep(5000);
                   dialog.dismiss();//dialog dismisses after 5 seconds
                }catch (InterruptedException e){
                    e.printStackTrace();
                }
            }
        }).start();

    }
    public void onClick3(View v){
        final ProgressDialog dialog1=new ProgressDialog(MainActivity.this);
        dialog1.setIcon(R.mipmap.ic_launcher);
        dialog1.setTitle("Downloading");
        dialog1.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);//shows progress bar in horizontal view with % left to download
        dialog1.setButton(DialogInterface.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() {
            @Override            public void onClick(DialogInterface dialogInterface, int i) {

            }
        });
        dialog1.setButton(DialogInterface.BUTTON_NEGATIVE, "CANCEL", new DialogInterface.OnClickListener() {
            @Override            public void onClick(DialogInterface dialogInterface, int i) {
                dialog1.dismiss();//on selecting cancel,aborts downloading
            }
        });

        new Thread(new Runnable() {
            @Override            public void run() {
                for(int i=1;i<=15;i++){
                    try{
                        Thread.sleep(1000);
                        dialog1.incrementProgressBy((int)100/15);//updates progress for every one second

                    }catch(InterruptedException e){
                        e.printStackTrace();
                    }
                }
                dialog1.dismiss();
            }
        }).start();
        dialog1.show();
    }

}

View in emulator: