How to custom ImageButton's image?

Question

I allow the App's User to change the ImageButton's pictures from the drawable folders?

It's possible?

I want associate this action after onLongClickListener, I put in the Drawable folder about 3 or 4 pictures(png) and the User can choose one for its ImageButton.

Answer 1

Yes, you can. On onLongClickListener click, you can pop up the option and then put a switch statement and put the following for each of the cases:

aButton.setImageResource(R.drawable.image2);

Here is the more detailed answer:

Put the following at the bottom of the layout (just before the last closing layout tag)

<FrameLayout
    android:id="@+id/imagebuttonselectorlayout"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:visibility="gone"
    android:background="@android:color/black" >

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <ImageButton
            android:id="@+id/imgButton1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/image1" />

        <ImageButton
            android:id="@+id/imgButton2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/image2" />
    </LinearLayout>
</FrameLayout>

Then, in the java class file, add the following lines:

FrameLayout mFrameLayout;
ImageButton mImageButton1;
ImageButton mImageButton2;

mFrameLayout = (FrameLayout)findViewById(R.id.imagebuttonselectorlayout);
mImageButton1 = (ImageButton)findViewById(R.id.imgButton1);
mImageButton2 = (ImageButton)findViewById(R.id.imgButton2);

For the onLongClick of the main image button

mImageButton1.setOnLongClickListener(new OnLongClickListener() {

    @Override
    public boolean onLongClick(View v) {
        mFrameLayout.setVisibility(View.VISIBLE);
        return true;
    }
});

Add the following lines in the same file to complete the functionality:

mImageButton1.setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
        mainImageButton.setImageResource(R.drawable.image1);
        mFrameLayout.setVisibility(View.GONE);
    }
});

mImageButton2.setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
        mainImageButton.setImageResource(R.drawable.image2);
        mFrameLayout.setVisibility(View.GONE);
    }
});