Android Programming...: May 2016

Monday, 2 May 2016

Custom Dialog in Android Using Dialog Interface

Custom Dialog Popup Window using Android with Help of Dialog Interface

Main Activity onCreate()

To write the code inside the onclick event.

   btn_next = (Button)findViewById(R.id.btn_next);
        btn_next.setOnClickListener(new View.OnClickListener() {

            @Override            public void onClick(View v) {

                CustomizeDialog customDiglog= new CustomizeDialog(context);
                customDiglog.setTitle("Hello Welocme");
                customDiglog.setMessage("Hello Welocme");
                customDiglog.show();

            }
        });
    }

Custome Dialog Class

 import android.app.Dialog;
import android.content.Context;
import android.text.method.ScrollingMovementMethod;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.TextView;
/** Class Must extends with Dialog */

/**

Implement onClickListener to dismiss dialog when OK Button is pressed */

 public class CustomizeDialog extends Dialog implements OnClickListener {
    Button okButton;
    Context mContext;
    TextView mTitle = null;
    TextView mMessage = null;
    View v = null;
    public CustomizeDialog(Context context) {
        super(context);
        mContext = context;
        /** 'Window.FEATURE_NO_TITLE' - Used to hide the mTitle */

         requestWindowFeature(Window.FEATURE_NO_TITLE);
        /** Design the dialog in main.xml file */

         setContentView(R.layout.dialog_msg);
        v = getWindow().getDecorView();
        v.setBackgroundResource(android.R.color.transparent);
        mTitle = (TextView) findViewById(R.id.dialogTitle);
        mMessage = (TextView) findViewById(R.id.dialogMessage);
        okButton = (Button) findViewById(R.id.OkButton);
        okButton.setOnClickListener(this);
    }
    @Override    public void onClick(View v) {
        /** When OK Button is clicked, dismiss the dialog */        if (v == okButton)
            dismiss();
    }
    @Override    public void setTitle(CharSequence title) {
        super.setTitle(title);
        mTitle.setText(title);
    }
    @Override    public void setTitle(int titleId) {
        super.setTitle(titleId);
        mTitle.setText(mContext.getResources().getString(titleId));
    }
    /**     * Set the message text for this dialog's window.     *

 * @param message     *      - The new message to display in the title.     */

 public void setMessage(CharSequence message) {
        mMessage.setText(message);
        mMessage.setMovementMethod(ScrollingMovementMethod.getInstance());
    }
    /**     * Set the message text for this dialog's window.

The text is retrieved from the resources with the supplied     * identifier.

 *     * @param messageId     *      - the message's text resource identifier <br>
     * @see <b>Note : if resourceID wrong application may get crash.</b><br>
     *   Exception has not handle.     */    public void setMessage(int messageId) {
        mMessage.setText(mContext.getResources().getString(messageId));
        mMessage.setMovementMethod(ScrollingMovementMethod.getInstance());
    }
}

Layout xml file

dialog_msg.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout

xmlns:android="http://schemas.android.com/apk/res/android"

      android:id="@+id/LinearLayout"

      android:layout_width="fill_parent"

      android:layout_height="wrap_content"

      android:layout_gravity="center"

      android:layout_margin="0dip"

      android:background="@drawable/alert_bg"

      android:orientation="vertical"

      android:paddingBottom="15dip"

      android:paddingLeft="0dip"

      android:paddingRight="0dip"

      android:paddingTop="0dip" >

    <TextView

           android:id="@+id/dialogTitle"

           android:layout_width="fill_parent"

           android:layout_height="wrap_content"

           android:layout_marginTop="20dip"

           android:background="#00000000"

           android:gravity="center"

           android:text=""

           android:textColor="#fff"

           android:textSize="22sp"

           android:textStyle="bold" >

   </TextView>

    <TextView

          android:id="@+id/dialogMessage"

          android:layout_width="fill_parent"

          android:layout_height="wrap_content"

          android:layout_below="@+id/dialogTitle"

          android:focusable="true"

          android:focusableInTouchMode="true"

          android:gravity="center"

          android:maxLines="10"

          android:padding="10dip"

          android:scrollbars="vertical"

          android:text=""

          android:textColor="#fff"

          android:textSize="18sp" >
    </TextView>
    <Button

          android:id="@+id/OkButton"

          android:layout_width="fill_parent"

          android:layout_height="wrap_content"

          android:layout_below="@+id/dialogMessage"

          android:layout_centerHorizontal="true"

          android:layout_marginLeft="10dip"

          android:layout_marginRight="10dip"

          android:background="@drawable/button"

          android:text="OK"

          android:textColor="#FFFFFF" >
    </Button>
</RelativeLayout>

Button design in drawable xml file

button.xml

<?xml version="1.0" encoding="utf-8"?><selector xmlns:

android="http://schemas.android.com/apk/res/android">

<item android:state_pressed="true"

 android:drawable="@drawable/button_bg_pressed" />

<!-- pressed -->

<item android:state_focused="true"

android:drawable="@drawable/button_bg_pressed" />

 <!-- focused -->

 <item android:drawable="@drawable/button_bg_normal" />

<!-- default -->

</selector>

 Images

Result Activity:

Custom Dialog using Android Studio

Custom Dialog Showing using Button Click

To create custom dialog in android with help of android studio ide

Another Activity to Call :-

        btn_next = (Button)findViewById(R.id.btn_next);
        btn_next.setOnClickListener(new View.OnClickListener() {

            @Override            public void onClick(View v) {

                CustomDialogFragment cdf = new CustomDialogFragment();
                cdf.show(getSupportFragmentManager(),"CustomDialogFragment");

            }
        });

Custom Dialog Fragment class ===> java Class

import android.app.Dialog;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
public class CustomDialogFragment extends DialogFragment {
    @Override    public Dialog onCreateDialog(Bundle savedInstanceState) {
        Dialog dialog = new Dialog(getActivity());
        dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
        dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
        dialog.setContentView(R.layout.dialog_custom);
        dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));

        // OK        dialog.findViewById(R.id.positive_button).setOnClickListener(new OnClickListener() {
            @Override            public void onClick(View v) {
                dismiss();
            }
        });
        // Close        dialog.findViewById(R.id.close_button).setOnClickListener(new OnClickListener() {
            @Override            public void onClick(View v) {
                dismiss();
            }

        });
        return dialog;
    }
}

custom_dialog.xml file

dialog_custom.xml

 <?xml version="1.0" encoding="utf-8"?>

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

            android:layout_width="match_parent"

            android:layout_height="match_parent" >

      <LinearLayout

               android:layout_width="match_parent"

               android:layout_height="wrap_content"

               android:layout_alignParentTop="true"

               android:layout_marginTop="6dp"

               android:layout_marginLeft="6dp"

               android:layout_marginRight="6dp"

               android:paddingBottom="20dp"

               android:background="@drawable/bg_dialog"

               android:gravity="center_horizontal"

               android:orientation="vertical" >

            <TextView

             android:id="@+id/title"

             android:layout_width="match_parent"

             android:layout_height="wrap_content"

             android:background="@drawable/bg_title"

             android:padding="10dp"

             android:text="Title"

             android:textSize="18sp"

             android:textColor="@android:color/white" />

            <TextView

                  android:id="@+id/message"

                  android:layout_width="wrap_content"

                  android:layout_height="wrap_content"

                  android:layout_margin="20dp"

                  android:lineSpacingExtra="6dp"

                  android:text="Message Dialog Content Showing Here Internet connection"

                  android:textSize="16sp"

                  android:textColor="#333333" />

            <Button

                  android:id="@+id/positive_button"

                  android:layout_width="wrap_content"

                  android:layout_height="wrap_content"

                  android:layout_marginTop="6dp"

                  android:background="@drawable/bt_dialog_positive"

                  android:text="OK"

                  android:textColor="@android:color/white"            />
    </LinearLayout>

           <Button

                 android:id="@+id/close_button"

                 android:layout_width="40dp"

                 android:layout_height="40dp"

                 android:layout_alignParentRight="true"

                 android:layout_alignParentTop="true"

                 android:background="@drawable/bt_dialog_close"

                 android:text="×"

                 android:textColor="#9acd32"
        />
</RelativeLayout>

 ==============drawable folder xml files ============================

bg_dialog.xml

 <?xml version="1.0" encoding="utf-8"?>

 <shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <corners android:radius="5dp"/>
       <stroke android:width="2dp" android:color="#9acd32"/>
       <gradient android:startColor="#ffffff" android:endColor="#dcdcdc" android:angle="90"/>
 </shape>

 bg_title.xml

 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <corners android:topLeftRadius="5dp" android:topRightRadius="5dp"/>
    <solid android:color="#9acd32"/>
 </shape>

bt_dialog_close.xml

 <?xml version="1.0" encoding="utf-8"?>

 <shape xmlns:android="http://schemas.android.com/apk/res/android"    android:shape="oval">
    <solid android:color="@android:color/white"/>
    <stroke        android:width="3dp"        android:color="#9acd32"        />
 </shape>

bt_dialog_positive.xml

 <?xml version="1.0" encoding="utf-8"?>

 <shape xmlns:android="http://schemas.android.com/apk/res/android" >
   <corners android:radius="5dp" />
   <solid android:color="#9acd32" />
 </shape>

 Result Image