Notes

MainActivity.java

package cmc_android_course.app296_dialogboxes;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;
import static cmc_android_course.app296_dialogboxes.R.id.icon;


public class MainActivity extends ActionBarActivity {
CharSequence items[]={"A","B","C","D","E"};
boolean status[]={true,false,true,false,true};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}

public void showSimple(View v)
{
showDialog(1);
}
public void showMultichoice(View v){
showDialog(2);
}
public void showProgress(View v){
showDialog(3);

}
@Override
protected Dialog onCreateDialog(int id, Bundle args)
{
switch (id)
{
case 1: AlertDialog.Builder b1=new AlertDialog.Builder(this);

b1.setIcon(icon);
b1.setTitle("Simple Dialog Box Demo");
b1.setMessage("Choose an option");
b1.setCancelable(false);
b1.setNegativeButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), "OK button pressed", Toast.LENGTH_LONG).show();
}
});
b1.setPositiveButton("CANCEL", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), "Cancel button pressed", Toast.LENGTH_SHORT).show();
}
});
return b1.create();

case 2:
AlertDialog.Builder b2=new AlertDialog.Builder(this);
b2.setIcon(R.id.image);
b2.setTitle("Multichoice Dialog Box Demo");
b2.setCancelable(false);
b2.setMessage("Choose appropriate option from the following");
b2.setMultiChoiceItems(items, status, new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
CharSequence item = items[which];
boolean st=status[which];

// Log.d("MainActivity", String.format("%s: %s", items[which], isChecked));

// if(isChecked)
// {
// CharSequence item = items[which];
String res=st==true ? "CHECKED" : "UNCHECKED";
Toast.makeText(getApplicationContext(),item+" "+res, Toast.LENGTH_SHORT).show();
// }
}
});
b2.setNegativeButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), "OK button pressed", Toast.LENGTH_LONG).show();
}
});
b2.setPositiveButton("CANCEL", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), "Cancel button pressed", Toast.LENGTH_SHORT).show();
}
});
return b2.create();

case 3:
final ProgressDialog pd=new ProgressDialog(this);
pd.setMessage("DOWNLOADING IN PROGRESS");
pd.setCancelable(false);
pd.setTitle("Progress Dialog Box Demo");
pd.setIcon(R.drawable.abc_btn_check_material);
pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
pd.setButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {

Toast.makeText(getApplicationContext(), "Downloading cancelled", Toast.LENGTH_SHORT).show();
}
});

return pd;
default: break;
}
return super.onCreateDialog(id, args);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {

int id = item.getItemId();

if (id == R.id.action_settings) {
return true;
}

return super.onOptionsItemSelected(item);
}
}









activity_main.xml


<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:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

<Button
android:layout_width="90dp"
android:layout_height="90dp"
android:text="Simple"
android:id="@+id/button"
android:background="@android:color/holo_blue_light"
android:onClick="showSimple"
android:layout_alignParentTop="true"
android:layout_alignLeft="@+id/button2"
android:layout_alignStart="@+id/button2" />

<Button
android:layout_width="95dp"
android:layout_height="95dp"
android:text="Multichoice"
android:id="@+id/button2"
android:background="@android:color/holo_red_light"
android:onClick="showMultichoice"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"/>

<Button
android:layout_width="90dp"
android:layout_height="90dp"
android:text="Progress"
android:id="@+id/button3"
android:background="@android:color/holo_green_dark"
android:onClick="showProgress"
android:layout_alignParentBottom="true"
android:layout_alignLeft="@+id/button2"
android:layout_alignStart="@+id/button2" />

<ProgressBar
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/progressBar"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_alignTop="@+id/button3"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:max="100"
android:indeterminate="false" />
</RelativeLayout>