android dialog屏蔽back返回键的解决方法

需求：activity弹出dialog，按下返回键dialog消失、activity也要finish

解决方法：

直接上代码：

myMaterDialog = new MyMaterialDialog(UserBuyActivity.this);myMaterDialog.setTitle(title);myMaterDialog.setMessage(message);

myMaterDialog.setPositiveButton(positive, new View.OnClickListener() {    @Override    public void onClick(View v) {        myMaterDialog.dismiss();            }});myMaterDialog.setNegativeButton(negative, new View.OnClickListener() {    @Override    public void onClick(View v) {        myMaterDialog.dismiss();                    }});

myMaterDialog.setOnListener(new DialogInterface.OnKeyListener() {    @Override    public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {        if(keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount()==0)        {            myMaterDialog.dismiss();            UserBuyActivity.this.finish();        }        return false;    }});

myMaterDialog.setCanceledOnTouchOutside(false);myMaterDialog.show()

-----------------实现绿色背景的代码即可------------------------

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