android 自定義鍵盤
剛剛做了個自定義鍵盤，方法記錄下來以便以後用到參考，介面主要有一個editText和鍵盤。剛開始的時候我是用PopupWindow做的軟鍵盤，後來發現不好用，因為PopupWindow和
editText不在一個層，每次點選鍵盤時EditText就沒有焦點，
如果我輸入了123456，現在想在2後面輸入一個小數點，結果還要點選一下editText才能獲得焦點，而此時popupWindow鍵盤會
消失，想輸入只有再次點選editText後，popupWindow鍵盤才能顯示出來，最後也沒有找到解決的辦法，所以我用了第二種方法比較簡單。相對佈局把鍵盤固定在最底部，別的不多說，先上圖再上程式碼吧。
一、這是效果圖，比較醜。。。
二、這個是自定義鍵盤的xml文件，comm_keyboard.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > <LinearLayout android:id="@+id/keyboard_layout" android:layout_width="match_parent" android:layout_height="225dip" android:layout_alignParentBottom="true" android:background="#f6f6f7" android:orientation="horizontal" > <TableLayout android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="1" > <TableRow> <Button android:id="@+id/custom_keyboard_btn1" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="1" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn2" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="2" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn3" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="3" android:textColor="#000000" android:textSize="30sp" /> </TableRow> <TableRow> <Button android:id="@+id/custom_keyboard_btn4" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="4" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn5" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="5" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn6" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="6" android:textColor="#000000" android:textSize="30sp" /> </TableRow> <TableRow> <Button android:id="@+id/custom_keyboard_btn7" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="7" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn8" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="8" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn9" android:layout_width="0dip" android:layout_height="55dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="9" android:textColor="#000000" android:textSize="30sp" /> </TableRow> <TableRow> <Button android:id="@+id/custom_keyboard_btn_point" android:layout_width="0dip" android:layout_height="59dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="." android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn0" android:layout_width="0dip" android:layout_height="59dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="0" android:textColor="#000000" android:textSize="30sp" /> <Button android:id="@+id/custom_keyboard_btn_system_keyboard" android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="系統鍵" android:textColor="#000000" android:textSize="15sp" /> </TableRow> </TableLayout> <LinearLayout android:layout_width="90dip" android:layout_height="match_parent" android:orientation="vertical" > <Button android:id="@+id/custom_keyboard_btn_delete" android:layout_width="match_parent" android:layout_height="0dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="刪除" android:textColor="#000000" android:textSize="20sp" /> <Button android:id="@+id/custom_keyboard_btn_sure" android:layout_width="match_parent" android:layout_height="0dip" android:layout_weight="1" android:background="@drawable/table_line_gray" android:gravity="center" android:text="確定" android:textSize="20sp" /> </LinearLayout> </LinearLayout> </LinearLayout>
這是activity_main.xml文件
<RelativeLayout xmlns:android="" xmlns:tools="" android:id="@+id/main" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <LinearLayout android:id="@+id/input_lay" android:layout_width="match_parent" android:layout_height="50dip" android:gravity="center_vertical" android:orientation="horizontal" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="金額：" /> <EditText android:id="@+id/ed_write_money" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="請輸入金額" /> </LinearLayout> <LinearLayout android:id="@+id/bottom_lay" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" > <include layout="@layout/comm_keyboard" /> </LinearLayout> </RelativeLayout>
這是自定義鍵盤Activity，，CustomKeyboardActivity
package com.example.customkeyboard;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.text.Editable;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnFocusChangeListener;
import android.view.ViewGroup;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
/**
* 自定義鍵盤
*
*/
public class CustomKeyboardActivity extends Activity implements OnFocusChangeListener
{
private static final String TAG = CustomKeyboardActivity.class.getName();
public static PopupWindow popupWindow = null;
private String str = "";
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
initView();
initData();
}
protected void initData()
{
}
protected void initView()
{
}
/**
* 顯示公共的自定義鍵盤
*
* @param context
* @param ed
*/
public void showKeyBoard(Context context, final EditText ed)
{
try
{
Button btn0 = (Button) findViewById(R.id.custom_keyboard_btn0);
Button btn1 = (Button) findViewById(R.id.custom_keyboard_btn1);
Button btn2 = (Button) findViewById(R.id.custom_keyboard_btn2);
Button btn3 = (Button) findViewById(R.id.custom_keyboard_btn3);
Button btn4 = (Button) findViewById(R.id.custom_keyboard_btn4);
Button btn5 = (Button) findViewById(R.id.custom_keyboard_btn5);
Button btn6 = (Button) findViewById(R.id.custom_keyboard_btn6);
Button btn7 = (Button) findViewById(R.id.custom_keyboard_btn7);
Button btn8 = (Button) findViewById(R.id.custom_keyboard_btn8);
Button btn9 = (Button) findViewById(R.id.custom_keyboard_btn9);
Button pointBtn = (Button) findViewById(R.id.custom_keyboard_btn_point);
Button system_broad_btn = (Button) findViewById(R.id.custom_keyboard_btn_system_keyboard);
Button deleteBtn = (Button) findViewById(R.id.custom_keyboard_btn_delete);
Button sureBtn = (Button) findViewById(R.id.custom_keyboard_btn_sure);
btn0.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();// 獲得游標位置
Editable editable = ed.getText();
editable.insert(index, "0");
}
});
btn1.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "1");
}
});
btn2.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "2");
}
});
btn3.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "3");
}
});
btn4.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "4");
}
});
btn5.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "5");
}
});
btn6.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "6");
}
});
btn7.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "7");
}
});
btn8.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "8");
}
});
btn9.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, "9");
}
});
pointBtn.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int index = ed.getSelectionStart();
Editable editable = ed.getText();
editable.insert(index, ".");
}
});
deleteBtn.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
str = ed.getText().toString();
if (str.length() > 0)
{
int index = ed.getSelectionStart();// 獲取游標位置
Editable editable = ed.getText();
editable.delete(index - 1, index);
}
}
});
system_broad_btn.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
Log.d(TAG, "系統鍵");
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(0, InputMethodManager.SHOW_FORCED);
}
});
sureBtn.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
Log.d(TAG, "確定");
}
});
} catch (Exception e)
{
e.printStackTrace();
}
}
@Override
public void onFocusChange(View v, boolean hasFocus)
{
}
}
這是MainActivity,繼承CustomKeyboardActivity
package com.example.customkeyboard;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
public class MainActivity extends CustomKeyboardActivity implements OnClickListener
{
private RelativeLayout parent = null;
private EditText inputMoney;
private LinearLayout inputLayout;
@Override
protected void initView()
{
setContentView(R.layout.activity_main);
parent = (RelativeLayout) findViewById(R.id.main);
inputLayout = (LinearLayout) findViewById(R.id.input_lay);
inputMoney = (EditText) findViewById(R.id.ed_write_money);
inputLayout = (LinearLayout) findViewById(R.id.input_lay);
inputMoney.setOnClickListener(this);
showKeyBoard(MainActivity.this, inputMoney);
}
@Override
public void onClick(View v)
{
switch (v.getId())
{
case R.id.ed_write_money:
// ShowPopupWindow(MainActivity.this, inputMoney, inputLayout);
break;
}
}
}
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/3349/viewspace-2816730/，如需轉載，請註明出處，否則將追究法律責任。
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