Create Your Own Custom Keyboard for Android Devices

In this post i Created Simple Keyboard which contains Some special keys like ( France keys ) and it's supported Capital letters and small letters and Number keys and some Symbols .

package sra.keyboard;

import android.app.Activity;

import android.os.Bundle;

import android.util.Log;

import android.view.MotionEvent;

import android.view.View;

import android.view.WindowManager;

import android.view.View.OnClickListener;

import android.view.View.OnFocusChangeListener;

import android.view.View.OnTouchListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.RelativeLayout;

public class Main extends Activity implements OnTouchListener, OnClickListener,

OnFocusChangeListener {

private EditText mEt, mEt1; // Edit Text boxes

private Button mBSpace, mBdone, mBack, mBChange, mNum;

private RelativeLayout mLayout, mKLayout;

private boolean isEdit = false, isEdit1 = false;

private String mUpper = "upper", mLower = "lower";

private int w, mWindowWidth;

private String sL[] = { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j",

"k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w",

"x", "y", "z", "ç", "à", "é", "è", "û", "î" };

private String cL[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",

"K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",

"X", "Y", "Z", "ç", "à", "é", "è", "û", "î" };

private String nS[] = { "!", ")", "'", "#", "3", "$", "%", "&", "8", "*",

"?", "/", "+", "-", "9", "0", "1", "4", "@", "5", "7", "(", "2",

"\"", "6", "_", "=", "]", "[", "<", ">", "|" };

private Button mB[] = new Button[32];

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

try {

setContentView(R.layout.main);

// adjusting key regarding window sizes

setKeys();

setFrow();

setSrow();

setTrow();

setForow();

mEt = (EditText) findViewById(R.id.xEt);

mEt.setOnTouchListener(this);

mEt.setOnFocusChangeListener(this);

mEt1 = (EditText) findViewById(R.id.et1);

mEt1.setOnTouchListener(this);

mEt1.setOnFocusChangeListener(this);

mEt.setOnClickListener(this);

mEt1.setOnClickListener(this);

mLayout = (RelativeLayout) findViewById(R.id.xK1);

mKLayout = (RelativeLayout) findViewById(R.id.xKeyBoard);

} catch (Exception e) {

Log.w(getClass().getName(), e.toString());

}

}

@Override

public boolean onTouch(View v, MotionEvent event) {

if (v == mEt) {

hideDefaultKeyboard();

enableKeyboard();

}

if (v == mEt1) {

hideDefaultKeyboard();

enableKeyboard();

}

return true;

}

@Override

public void onClick(View v) {

if (v == mBChange) {

if (mBChange.getTag().equals(mUpper)) {

changeSmallLetters();

changeSmallTags();

} else if (mBChange.getTag().equals(mLower)) {

changeCapitalLetters();

changeCapitalTags();

}

} else if (v != mBdone && v != mBack && v != mBChange && v != mNum) {

addText(v);

} else if (v == mBdone) {

disableKeyboard();

} else if (v == mBack) {

isBack(v);

} else if (v == mNum) {

String nTag = (String) mNum.getTag();

if (nTag.equals("num")) {

changeSyNuLetters();

changeSyNuTags();

mBChange.setVisibility(Button.INVISIBLE);

}

if (nTag.equals("ABC")) {

changeCapitalLetters();

changeCapitalTags();

}

}

}

@Override

public void onFocusChange(View v, boolean hasFocus) {

if (v == mEt && hasFocus == true) {

isEdit = true;

isEdit1 = false;

} else if (v == mEt1 && hasFocus == true) {

isEdit = false;

isEdit1 = true;

}

}

private void addText(View v) {

if (isEdit == true) {

String b = "";

b = (String) v.getTag();

if (b != null) {

// adding text in Edittext

mEt.append(b);

}

}

if (isEdit1 == true) {

String b = "";

b = (String) v.getTag();

if (b != null) {

// adding text in Edittext

mEt1.append(b);

}

}

}

private void isBack(View v) {

if (isEdit == true) {

CharSequence cc = mEt.getText();

if (cc != null && cc.length() > 0) {

{

mEt.setText("");

mEt.append(cc.subSequence(0, cc.length() - 1));

}

}

}

if (isEdit1 == true) {

CharSequence cc = mEt1.getText();

if (cc != null && cc.length() > 0) {

{

mEt1.setText("");

mEt1.append(cc.subSequence(0, cc.length() - 1));

}

}

}

}

private void changeSmallLetters() {

mBChange.setVisibility(Button.VISIBLE);

for (int i = 0; i < sL.length; i++)

mB[i].setText(sL[i]);

mNum.setTag("12#");

}

private void changeSmallTags() {

for (int i = 0; i < sL.length; i++)

mB[i].setTag(sL[i]);

mBChange.setTag("lower");

mNum.setTag("num");

}

private void changeCapitalLetters() {

mBChange.setVisibility(Button.VISIBLE);

for (int i = 0; i < cL.length; i++)

mB[i].setText(cL[i]);

mBChange.setTag("upper");

mNum.setText("12#");

}

private void changeCapitalTags() {

for (int i = 0; i < cL.length; i++)

mB[i].setTag(cL[i]);

mNum.setTag("num");

}

private void changeSyNuLetters() {

for (int i = 0; i < nS.length; i++)

mB[i].setText(nS[i]);

mNum.setText("ABC");

}

private void changeSyNuTags() {

for (int i = 0; i < nS.length; i++)

mB[i].setTag(nS[i]);

mNum.setTag("ABC");

}

// enabling customized keyboard

private void enableKeyboard() {

mLayout.setVisibility(RelativeLayout.VISIBLE);

mKLayout.setVisibility(RelativeLayout.VISIBLE);

}

// Disable customized keyboard

private void disableKeyboard() {

mLayout.setVisibility(RelativeLayout.INVISIBLE);

mKLayout.setVisibility(RelativeLayout.INVISIBLE);

}

private void hideDefaultKeyboard() {

getWindow().setSoftInputMode(

WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

}

private void setFrow() {

w = (mWindowWidth / 13);

w = w - 15;

mB[16].setWidth(w);

mB[22].setWidth(w + 3);

mB[4].setWidth(w);

mB[17].setWidth(w);

mB[19].setWidth(w);

mB[24].setWidth(w);

mB[20].setWidth(w);

mB[8].setWidth(w);

mB[14].setWidth(w);

mB[15].setWidth(w);

mB[16].setHeight(50);

mB[22].setHeight(50);

mB[4].setHeight(50);

mB[17].setHeight(50);

mB[19].setHeight(50);

mB[24].setHeight(50);

mB[20].setHeight(50);

mB[8].setHeight(50);

mB[14].setHeight(50);

mB[15].setHeight(50);

}

private void setSrow() {

w = (mWindowWidth / 10);

mB[0].setWidth(w);

mB[18].setWidth(w);

mB[3].setWidth(w);

mB[5].setWidth(w);

mB[6].setWidth(w);

mB[7].setWidth(w);

mB[26].setWidth(w);

mB[9].setWidth(w);

mB[10].setWidth(w);

mB[11].setWidth(w);

mB[26].setWidth(w);

mB[0].setHeight(50);

mB[18].setHeight(50);

mB[3].setHeight(50);

mB[5].setHeight(50);

mB[6].setHeight(50);

mB[7].setHeight(50);

mB[9].setHeight(50);

mB[10].setHeight(50);

mB[11].setHeight(50);

mB[26].setHeight(50);

}

private void setTrow() {

w = (mWindowWidth / 12);

mB[25].setWidth(w);

mB[23].setWidth(w);

mB[2].setWidth(w);

mB[21].setWidth(w);

mB[1].setWidth(w);

mB[13].setWidth(w);

mB[12].setWidth(w);

mB[27].setWidth(w);

mB[28].setWidth(w);

mBack.setWidth(w);

mB[25].setHeight(50);

mB[23].setHeight(50);

mB[2].setHeight(50);

mB[21].setHeight(50);

mB[1].setHeight(50);

mB[13].setHeight(50);

mB[12].setHeight(50);

mB[27].setHeight(50);

mB[28].setHeight(50);

mBack.setHeight(50);

}

private void setForow() {

w = (mWindowWidth / 10);

mBSpace.setWidth(w * 4);

mBSpace.setHeight(50);

mB[29].setWidth(w);

mB[29].setHeight(50);

mB[30].setWidth(w);

mB[30].setHeight(50);

mB[31].setHeight(50);

mB[31].setWidth(w);

mBdone.setWidth(w + (w / 1));

mBdone.setHeight(50);

}

private void setKeys() {

mWindowWidth = getWindowManager().getDefaultDisplay().getWidth(); // getting

// window

// height

// getting ids from xml files

mB[0] = (Button) findViewById(R.id.xA);

mB[1] = (Button) findViewById(R.id.xB);

mB[2] = (Button) findViewById(R.id.xC);

mB[3] = (Button) findViewById(R.id.xD);

mB[4] = (Button) findViewById(R.id.xE);

mB[5] = (Button) findViewById(R.id.xF);

mB[6] = (Button) findViewById(R.id.xG);

mB[7] = (Button) findViewById(R.id.xH);

mB[8] = (Button) findViewById(R.id.xI);

mB[9] = (Button) findViewById(R.id.xJ);

mB[10] = (Button) findViewById(R.id.xK);

mB[11] = (Button) findViewById(R.id.xL);

mB[12] = (Button) findViewById(R.id.xM);

mB[13] = (Button) findViewById(R.id.xN);

mB[14] = (Button) findViewById(R.id.xO);

mB[15] = (Button) findViewById(R.id.xP);

mB[16] = (Button) findViewById(R.id.xQ);

mB[17] = (Button) findViewById(R.id.xR);

mB[18] = (Button) findViewById(R.id.xS);

mB[19] = (Button) findViewById(R.id.xT);

mB[20] = (Button) findViewById(R.id.xU);

mB[21] = (Button) findViewById(R.id.xV);

mB[22] = (Button) findViewById(R.id.xW);

mB[23] = (Button) findViewById(R.id.xX);

mB[24] = (Button) findViewById(R.id.xY);

mB[25] = (Button) findViewById(R.id.xZ);

mB[26] = (Button) findViewById(R.id.xS1);

mB[27] = (Button) findViewById(R.id.xS2);

mB[28] = (Button) findViewById(R.id.xS3);

mB[29] = (Button) findViewById(R.id.xS4);

mB[30] = (Button) findViewById(R.id.xS5);

mB[31] = (Button) findViewById(R.id.xS6);

mBSpace = (Button) findViewById(R.id.xSpace);

mBdone = (Button) findViewById(R.id.xDone);

mBChange = (Button) findViewById(R.id.xChange);

mBack = (Button) findViewById(R.id.xBack);

mNum = (Button) findViewById(R.id.xNum);

for (int i = 0; i < mB.length; i++)

mB[i].setOnClickListener(this);

mBSpace.setOnClickListener(this);

mBdone.setOnClickListener(this);

mBack.setOnClickListener(this);

mBChange.setOnClickListener(this);

mNum.setOnClickListener(this);

}

}

Download Source Click Here