LayOut Inflator in android?

Question

I create a subclass of View as an inner class in my Activity. I just want to inflate an xml into the class which extending view. Can anyone provide some code/syntax of both class and xml?

public class drawiact extends Activity {

       DrawView drawView;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);
        drawView = new DrawView(this, null);
         setContentView(drawView);


    }
    public class DrawView extends View implements OnTouchListener {
        Path path;
        Paint paint = new Paint();
        private ShapeDrawable mDrawable;
        private ArrayList<Path> graphics = new 
        public DrawView(Context context,AttributeSet attrs) {
            super(context,attrs);
            //I want to load the contents of an xml in this class
    //
  }

}

xml is

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res/com.drawing"
        android:orientation="vertical"
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content">

 <Button android:id="@+id/Button02" 
    android:layout_width="wrap_content" 
    android:layout_height="200dip"

     android:layout_gravity="right"></Button>
</LinearLayout>

Answer 1

Just keep in mind that once you have inflated something, it will be just View object. Not sure what you want to do, but can do something like:

public class drawiact extends Activity {
    DrawView drawView;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        drawView = new DrawView(this, null);
        setContentView(drawView);
    }
    public class DrawView extends View implements OnTouchListener {
        Path path;
        Paint paint = new Paint();
        private ShapeDrawable mDrawable;
        private ArrayList graphics = new 
        public DrawView(Context context,AttributeSet attrs) {
            super(context,attrs);
            View view = getLayoutInflater().inflate(R.layout.your_layout, null);
            // then do whatever you want with the 'view' object
       }
  }
}

Answer 2

package com.drawing;
import java.util.ArrayList;

import android.app.Activity;
import android.content.Context;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.drawable.ShapeDrawable;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;

public class drawingact extends Activity {
      DrawView drawView;
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            try{
            System.out.println("onCreate");
            drawView = new DrawView(this);
            System.out.println("onCreate");
            setContentView(drawView);
            System.out.println("onCreate");
            }catch(Exception e){
                  System.out.println("Error : " + e.getMessage());
            }
        }
        public class DrawView extends View implements OnTouchListener {

            Path path;
            Paint paint = new Paint();
            @SuppressWarnings("unused")
            private ShapeDrawable mDrawable;
            @SuppressWarnings("unused")
            private ArrayList graphics;

//          public DrawView(Context context) {
//              super(context,attrs);
//              
//             // addContentView(view,null);
//             
//          }
            public DrawView(Context context) {
                super(context);
                System.out.println("DrawView");
                View view = getLayoutInflater().inflate(R.layout.main, null);
                System.out.println("DrawView");

            }
            @Override
            public boolean onTouch(View arg0, MotionEvent arg1) {
                System.out.println("onTouch");
                return false;
            }
      }
    }

I used this code but nothing is coming.can you find what is the error.

Answer 3

Hello Cristian,

I have a question, since your answer is very much the dilemna i am facing, I have almost the same scenario as antony, and yes, the object returned while using inflation is a View.

however on my xml file that i am trying to inflate, I have a view,call it miniView for the sake of this example. is there a way i can get a reference to that view after inflation that will also allow me to draw on -- assuming the class is like DrawView which extends a view and I can use it to overrides the onDraw method?

thanks