現在很多app的付款、輸入密碼功能，都是使用自訂數字鍵盤，方便實用。以下本文為大家帶來了Android 高仿微信支付數字鍵盤功能，非常不錯，有興趣的朋友一起學習吧
下面帶著大家學習下，如何高仿微信的數字鍵盤，可以拿來直接用在自身的專案中。下效果圖：
#1. 自訂佈局
<?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="wrap_content"> <!-- 输入键盘 --> <GridView android:id="@+id/gv_keybord" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:background="#bdbdbd" android:horizontalSpacing="1px" android:numColumns="3" android:verticalSpacing="1px" /> <View android:id="@+id/line" android:layout_width="match_parent" android:layout_height="1px" android:layout_above="@id/gv_keybord" android:background="#bdbdbd" /> <RelativeLayout android:id="@+id/layoutBack" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_above="@id/line" android:background="#f5f5f5" android:padding="10dp"> <ImageView android:id="@+id/imgBack" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:src="@mipmap/keyboard_back_img" /> </RelativeLayout> <View android:layout_width="match_parent" android:layout_height="1px" android:layout_above="@id/layoutBack" android:layout_marginTop="1dp" android:background="#bdbdbd" /> </RelativeLayout>
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.GridView;
import android.widget.RelativeLayout;
import com.lnyp.pswkeyboard.R;
import com.lnyp.pswkeyboard.adapter.KeyBoardAdapter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
* 虚拟键盘
*/
public class VirtualKeyboardView extends RelativeLayout implements View.OnClickListener {
Context context;
private GridView gridView;
private RelativeLayout layoutBack;
private ArrayList<Map<String, String>> valueList;
public VirtualKeyboardView(Context context) {
this(context, null);
}
public VirtualKeyboardView(Context context, AttributeSet attrs) {
super(context, attrs);
this.context = context;
View view = View.inflate(context, R.layout.layout_virtual_keyboard, null);
valueList = new ArrayList<>();
layoutBack = (RelativeLayout) view.findViewById(R.id.layoutBack);
layoutBack.setOnClickListener(this);
gridView = (GridView) view.findViewById(R.id.gv_keybord);
setView();
addView(view);
}
public RelativeLayout getLayoutBack() {
return layoutBack;
}
public ArrayList<Map<String, String>> getValueList() {
return valueList;
}
public GridView getGridView() {
return gridView;
}
private void setView() {
/* 初始化按钮上应该显示的数字 */
for (int i = 1; i < 13; i++) {
Map<String, String> map = new HashMap<String, String>();
if (i < 10) {
map.put("name", String.valueOf(i));
} else if (i == 10) {
map.put("name", ".");
} else if (i == 11) {
map.put("name", String.valueOf(0));
} else if (i == 12) {
map.put("name", "");
}
valueList.add(map);
}
KeyBoardAdapter keyBoardAdapter = new KeyBoardAdapter(context, valueList);
gridView.setAdapter(keyBoardAdapter);
}
@Override
public void onClick(View v) {
}
}import android.content.Context;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.lnyp.pswkeyboard.R;
import java.util.ArrayList;
import java.util.Map;
/**
* 九宫格键盘适配器
*/
public class KeyBoardAdapter extends BaseAdapter {
private Context mContext;
private ArrayList<Map<String, String>> valueList;
public KeyBoardAdapter(Context mContext, ArrayList<Map<String, String>> valueList) {
this.mContext = mContext;
this.valueList = valueList;
}
@Override
public int getCount() {
return valueList.size();
}
@Override
public Object getItem(int position) {
return valueList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder;
if (convertView == null) {
convertView = View.inflate(mContext, R.layout.grid_item_virtual_keyboard, null);
viewHolder = new ViewHolder();
viewHolder.btnKey = (TextView) convertView.findViewById(R.id.btn_keys);
viewHolder.imgDelete = (RelativeLayout) convertView.findViewById(R.id.imgDelete);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
if (position == 9) {
viewHolder.imgDelete.setVisibility(View.INVISIBLE);
viewHolder.btnKey.setVisibility(View.VISIBLE);
viewHolder.btnKey.setText(valueList.get(position).get("name"));
viewHolder.btnKey.setBackgroundColor(Color.parseColor("#e0e0e0"));
} else if (position == 11) {
viewHolder.btnKey.setBackgroundResource(R.mipmap.keyboard_delete_img);
viewHolder.imgDelete.setVisibility(View.VISIBLE);
viewHolder.btnKey.setVisibility(View.INVISIBLE);
} else {
viewHolder.imgDelete.setVisibility(View.INVISIBLE);
viewHolder.btnKey.setVisibility(View.VISIBLE);
viewHolder.btnKey.setText(valueList.get(position).get("name"));
}
return convertView;
}
/**
* 存放控件
*/
public final class ViewHolder {
public TextView btnKey;
public RelativeLayout imgDelete;
}
}<?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="#e0e0e0"> <TextView android:id="@+id/btn_keys" android:layout_width="match_parent" android:layout_height="60dp" android:layout_centerInParent="true" android:background="@drawable/selector_gird_item" android:gravity="center" android:includeFontPadding="false" android:textColor="#333333" android:textSize="26sp" /> <RelativeLayout android:id="@+id/imgDelete" android:layout_width="wrap_content" android:layout_height="60dp" android:layout_centerInParent="true"> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:src="@mipmap/keyboard_delete_img" /> </RelativeLayout> </RelativeLayout>
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