android-施用PopupWindow实现自定义密码软键盘

android-使用PopupWindow实现自定义密码软键盘

效果图：

MainActivity.java

package com.example.keyboard;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.text.InputType;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnFocusChangeListener;import android.widget.Button;import android.widget.EditText;import android.widget.PopupWindow;import android.widget.Toast;public class MainActivity extends Activity {private EditText editText;private Button button;private String money = "";private PopupWindow popupWindow;private Button btn1,btn2,btn3,btn4,btn5,btn6,btn7,btn8,btn9,btn0,btn_dot,btn_del,btn_clear,btn_conf;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.pay);editText = (EditText) findViewById(R.id.pay_edit);button = (Button) findViewById(R.id.pay_button);View keyboardView = LayoutInflater.from(this).inflate(R.layout.keyboard, null);        popupWindow = new PopupWindow(keyboardView,250,215);                btn0 = (Button) keyboardView.findViewById(R.id.keyboard_btn0);        btn1 = (Button) keyboardView.findViewById(R.id.keyboard_btn1);        btn2 = (Button) keyboardView.findViewById(R.id.keyboard_btn2);        btn3 = (Button) keyboardView.findViewById(R.id.keyboard_btn3);        btn4 = (Button) keyboardView.findViewById(R.id.keyboard_btn4);        btn5 = (Button) keyboardView.findViewById(R.id.keyboard_btn5);        btn6 = (Button) keyboardView.findViewById(R.id.keyboard_btn6);        btn7 = (Button) keyboardView.findViewById(R.id.keyboard_btn7);        btn8 = (Button) keyboardView.findViewById(R.id.keyboard_btn8);        btn9 = (Button) keyboardView.findViewById(R.id.keyboard_btn9);        btn_dot = (Button) keyboardView.findViewById(R.id.keyboard_btn_dot);        btn_del = (Button) keyboardView.findViewById(R.id.keyboard_btn_del);        btn_clear = (Button) keyboardView.findViewById(R.id.keyboard_btn_clear);        btn_conf = (Button) keyboardView.findViewById(R.id.keyboard_btn_conf);                btn0.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubmoney += "0";editText.setText(money);}});        btn1.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "1";        editText.setText(money);        }        });        btn2.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "2";        editText.setText(money);        }        });        btn3.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "3";        editText.setText(money);        }        });        btn4.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "4";        editText.setText(money);        }        });        btn5.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "5";        editText.setText(money);        }        });        btn6.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "6";        editText.setText(money);        }        });        btn7.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "7";        editText.setText(money);        }        });        btn8.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "8";        editText.setText(money);        }        });        btn9.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += "9";        editText.setText(money);        }        });        btn_dot.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View arg0) {        // TODO Auto-generated method stub        money += ".";        editText.setText(money);        }        });        btn_del.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubtry {money = money.substring(0, money.length()-1);editText.setText(money);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}});        btn_clear.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubmoney = "";editText.setText(money);}});        btn_conf.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubpopupWindow.dismiss();button.requestFocus();}});        //禁止EditText获得焦点后弹出系统键盘        editText.setInputType(InputType.TYPE_NULL);        editText.setOnFocusChangeListener(new OnFocusChangeListener() {@Overridepublic void onFocusChange(View arg0, boolean arg1) {// TODO Auto-generated method stubif(arg1){popupWindow.showAsDropDown(editText,-40,0);popupWindow.setFocusable(true);popupWindow.update();}}});}}

keyboard_bg_big.xml

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android" >           <item      android:state_pressed="true"     android:drawable="@drawable/key11"/>        <item     android:state_focused="true"     android:drawable="@drawable/key12"/>        <item         android:state_focused="false"         android:state_pressed="false"          android:drawable="@drawable/keyboard_key_style" />     </selector>

keyboard_bg_small.xml

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android" >           <item      android:state_pressed="true"     android:drawable="@drawable/key11"/>        <item     android:state_focused="true"     android:drawable="@drawable/key12"/>        <item         android:state_focused="false"         android:state_pressed="false"          android:drawable="@drawable/keyboard_key_style" />     </selector>

keyboard_bg_style.xml

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"    android:shape="rectangle" >    <gradient        android:angle="90.0"        android:endColor="#ffffff"        android:startColor="#ffffff" />    <corners        android:bottomLeftRadius="6.0dip"        android:bottomRightRadius="6.0dip"        android:topLeftRadius="6.0dip"        android:topRightRadius="6.0dip" /></shape>

keyboard_key_style.xml

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"    android:shape="rectangle" >    <size        android:height="36.0dip"        android:width="80.0dip" />    <gradient        android:angle="90.0"        android:endColor="#D7D7D7"        android:startColor="#D7D7D7" />    <corners        android:bottomLeftRadius="6.0dip"        android:bottomRightRadius="6.0dip"        android:topLeftRadius="6.0dip"        android:topRightRadius="6.0dip" /></shape>