android自定义密码输入键盘控件

<?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"
android:background="#fff"
>

<TextView
android:id="@+id/tv_softText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:textColor="#000"
android:textSize="30sp"
android:text="2"
/>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>

<GridView
android:id="@+id/gv_password"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:numColumns="6"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp"
android:horizontalSpacing="1dp"
android:background="#e2e2e2"
>
</GridView>

<GridView
android:id="@+id/gv_gridView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:numColumns="3"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp"
android:horizontalSpacing="1dp"
android:background="#e2e2e2"
>
</GridView>

</LinearLayout>

public class SoftInput extends RelativeLayout {
private Context context;
private String[] s=new String[]{
"0","1","2","3","4","5","6","7","8","","9","C"
};

private List<String> clickResult=new ArrayList<>();

private GridView password,gridView;
private GideAdapter adapter;
private GideAdapter adapter2;

public interface OnSoftItemClickListener{
void OnClick(String value,int position);
}

private OnSoftItemClickListener onSoftItemClickListener;

public void setOnSoftItemClickListener(OnSoftItemClickListener onSoftItemClickListener){
this.onSoftItemClickListener=onSoftItemClickListener;
}

public SoftInput(Context context) {
this(context,null);
}

public SoftInput(Context context, AttributeSet attrs) {
this(context, attrs,0);
}

public SoftInput(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.context=context;
LayoutInflater.from(context).inflate(R.layout.view_soft_input, this, true);
gridView= (GridView) findViewById(R.id.gv_gridView);
password= (GridView) findViewById(R.id.gv_password);
adapter=new GideAdapter(context,s);
gridView.setAdapter(adapter);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (onSoftItemClickListener!=null){
onSoftItemClickListener.OnClick(adapter.getItemValue(position),position);
}
if (position<9||position==10){
setClickResult(s[position]);
}else if (position==s.length-1){
removeClickResult();
}

}
});
}

private void setClickResult(String s){
if (clickResult!=null&&clickResult.size()<6){
clickResult.add(s);
setPasswordAdapter();
}
}

private void removeClickResult(){
if (clickResult!=null&&clickResult.size()>0){
clickResult.remove(clickResult.size()-1);
setPasswordAdapter();
}
}

private void setPasswordAdapter(){
String[] p=clickResult.toArray(new String[clickResult.size()]);
adapter2=new GideAdapter(context,p);
password.setAdapter(adapter2);
}

public List<Integer> getPassword(){
List<Integer> pd=new ArrayList<>();
if (clickResult!=null&&clickResult.size()>0){
for (int i=0;i<clickResult.size();i++){
pd.add(Integer.parseInt(clickResult.get(i)));
}
return pd;
}
return null;
}

class GideAdapter extends BaseAdapter{
private Context context;
private String[] s;

public GideAdapter(Context context, String[] s) {
this.context = context;
this.s = s;
}

private String getItemValue(int position){
if (s!=null){
return s[position];
}
return "";
}

@Override
public int getCount() {
return s.length;
}

@Override
public Object getItem(int position) {
return null;
}

@Override
public long getItemId(int position) {
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
Holder holder;
if (convertView==null){
holder=new Holder();
convertView= LayoutInflater.from(context).inflate(R.layout.item_soft_input,parent,false);
holder.tv= (TextView) convertView.findViewById(R.id.tv_softText);
convertView.setTag(holder);
}else {
holder= (Holder) convertView.getTag();
}
holder.tv.setText(s[position]);
return convertView;
}

class Holder {
TextView tv;
}

}

}

<com.example.csd.shop.view.SoftInput
android:id="@+id/sfi_soft"
android:layout_width="match_parent"
android:layout_height="wrap_content">

</com.example.csd.shop.view.SoftInput>