android–AlertDialog按钮的图像

概述是否可以在AlertDialog的正,负和中性按钮中添加drawable？如果是,那怎么样？解决方法:由于不推荐使用onPrepareDialog,因此您可以使用onShowListener.你也应该设置Drawable边界,或者它将被放置在最左边.下面的代码输出publicclassMyDialogextendsDialogFragment{@Overri

是否可以在AlertDialog的正,负和中性按钮中添加drawable？如果是,那怎么样？

解决方法:

由于不推荐使用onPrepareDialog,因此您可以使用onShowListener.

你也应该设置Drawable边界,或者它将被放置在最左边.

下面的代码输出

public class MyDialog extends DialogFragment {    @OverrIDe    public Dialog onCreateDialog(Bundle savedInstanceState) {        final AlertDialog dialog = new AlertDialog.Builder(getActivity())                .setTitle("My Dialog")                .setNegativebutton("Cancel", new OnClickListener() {                    @OverrIDe                    public voID onClick(DialogInterface dialog, int which) {                        // Todo auto-generated method stub                    }                }).setPositivebutton("Play", new OnClickListener() {                    @OverrIDe                    public voID onClick(DialogInterface dialog, int which) {                        // Todo auto-generated method stub                    }                }).create();        dialog.setonShowListener(new OnShowListener() {            @OverrIDe            public voID onShow(DialogInterface dialogInterface) {                button button = dialog.getbutton(AlertDialog.button_POSITIVE);                // if you do the following it will be left aligned, doesn't look                // correct                // button.setCompoundDrawablesWithIntrinsicBounds(androID.R.drawable.ic_media_play,                // 0, 0, 0);                Drawable drawable = getActivity().getResources().getDrawable(                        androID.R.drawable.ic_media_play);                // set the bounds to place the drawable a bit right                drawable.setBounds((int) (drawable.getIntrinsicWIDth() * 0.5),                        0, (int) (drawable.getIntrinsicWIDth() * 1.5),                        drawable.getIntrinsicHeight());                button.setCompoundDrawables(drawable, null, null, null);                // Could modify the placement more here if desired                // button.setCompoundDrawablepadding();            }        });        return dialog;    }}

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