Create a custom keypad in android -
i want create custom keypad in android app looks this:
https://www.dropbox.com/s/vwiz4o3pd8q4o81/2015-06-14%2014.53.02.jpg?dl=0
i have tried use keyboardview cannot want. have looked @ tutorials online on custom keypads none seems give hints on how make keypad desire. have tried putting png images backgrounds keypad has not helped. far have made this:
https://www.dropbox.com/s/xrm4v941ofecmut/2015-06-14%2014.54.10.jpg?dl=0
can or links tutorials , code solve problem.
this current code:
<?xml version="1.0" encoding="utf-8"?> <keyboard xmlns:android="http://schemas.android.com/apk/res/android" android:keywidth="14.25%p" android:hapticfeedbackenabled="true" android:keyheight="8.5%p"> <!-- android:horizontalgap="0.50%p" android:verticalgap="0.50%p" note when add horizontalgap in pixels, interferes keywidth in percentages adding 100% note when have horizontalgap (on keyboard level) of 0, make horizontalgap (on key level) move after key before key... (i consider bug) --> <row> <key android:codes="-1" android:keylabel="evaluate" android:keywidth="42.75%p" android:keyedgeflags="left" /> <key android:codes="-100" android:keylabel="reset" android:keywidth="28.50%p" /> <key android:codes="-1000" android:keylabel="\u24d8" android:keywidth="28.50%p" android:keyedgeflags="right" /> </row> <row> <key android:codes="1" android:keylabel="sin" android:keyedgeflags="left" /> <key android:codes="2" android:keylabel="cos" /> <key android:codes="3" android:keylabel="tan" /> <key android:codes="36" android:keylabel="sinh" /> <key android:codes="37" android:keylabel="cosh" /> <key android:codes="38" android:keylabel="tanh" /> <key android:codes="-2" android:keyicon="@drawable/delete_symbol" android:isrepeatable="true" android:keyedgeflags="right"/> </row> <row> <key android:codes="4" android:keylabel="asin" android:keyedgeflags="left" /> <key android:codes="5" android:keylabel="acos" /> <key android:codes="6" android:keylabel="atan" /> <key android:codes="42" android:keylabel="asinh" /> <key android:codes="43" android:keylabel="acosh" /> <key android:codes="44" android:keylabel="atanh" /> <key android:codes="21" android:keylabel="\u00f7" android:keyedgeflags="right" /> </row> <row> <key android:codes="7" android:keylabel="cosec" android:keyedgeflags="left" /> <key android:codes="8" android:keylabel="sec" /> <key android:codes="9" android:keylabel="cot" /> <key android:codes="33" android:keylabel="7" /> <key android:codes="34" android:keylabel="8" /> <key android:codes="35" android:keylabel="9" /> <key android:codes="20" android:keylabel="\u00d7" android:keyedgeflags="right" /> </row> <row> <key android:codes="11" android:keylabel="e^(" /> <key android:codes="12" android:keylabel="ln(" /> <key android:codes="22" android:keylabel="x\u207f" /> <key android:codes="30" android:keylabel="4" /> <key android:codes="31" android:keylabel="5" /> <key android:codes="32" android:keylabel="6" /> <key android:codes="19" android:keylabel="\u2212" android:keyedgeflags="right" /> </row> <row> <key android:codes="14" android:keylabel="k" android:keyedgeflags="left" /> <key android:codes="15" android:keylabel="\u03c0" /> <key android:codes="13" android:keyicon="@drawable/italic_x" /> <key android:codes="27" android:keylabel="1" /> <key android:codes="28" android:keylabel="2" /> <key android:codes="29" android:keylabel="3" /> <key android:codes="18" android:keylabel="+" android:keyedgeflags="right" /> </row> <row> <key android:codes="-3" android:keyicon="@drawable/keyboard_done" android:keywidth="28.5%p" android:keyedgeflags="left" /> <key android:codes="10" android:keylabel="\u221a" /> <key android:codes="16" android:keylabel="(" /> <key android:codes="26" android:keylabel="0" /> <key android:codes="17" android:keylabel=")" /> <key android:codes="23" android:keylabel="." android:keyedgeflags="right" /> </row> </keyboard> the code java handler xml file is:
class customkeyboard { private activity mhostactivity; private button donebutton = null; private button clearbutton = null; private button infobutton = null; /** key (code) handler. */ private onkeyboardactionlistener monkeyboardactionlistener = new onkeyboardactionlistener() { public final static int codeevaluate = -1; public final static int codeclear = -100; public final static int codeinfo = -1000; public final static int codedelete = -2; // keyboard.keycode_delete public final static int codehide = -3; // keyboard.keycode_cancel public final static int codeminimum = 0; public final static int codesin = 1; public final static int codecos = 2; public final static int codetan = 3; public final static int codeasin = 4; public final static int codeacos = 5; public final static int codeatan = 6; public final static int codecosec = 7; public final static int codesec = 8; public final static int codecot = 9; public final static int codesqrt = 10; public final static int codeexp = 11; public final static int codeln = 12; public final static int codex = 13; public final static int codek = 14; public final static int codepi = 15; public final static int codeopenb = 16; public final static int codecloseb = 17; public final static int codeplus = 18; public final static int codeminus = 19; public final static int codemultiply = 20; public final static int codedivide = 21; public final static int codepower = 22; public final static int codepoint = 23; public final static int codeabc = 24; public final static int codespace = 25; public final static int codemaximum = 50; // maximum number of keys public string[] keycodetotext = null; public void keysinitialise() { if(keycodetotext==null) keycodetotext = new string[codemaximum]; keycodetotext[codesin] = "sin("; keycodetotext[codecos] = "cos("; keycodetotext[codetan] = "tan("; keycodetotext[codeasin] = "asin("; keycodetotext[codeacos] = "acos("; keycodetotext[codeatan] = "atan("; keycodetotext[codecosec] = "cosec("; keycodetotext[codesec] = "sec("; keycodetotext[codecot] = "cot("; keycodetotext[codesqrt] = "sqrt("; keycodetotext[codeexp] = "e^("; keycodetotext[codeln] = "ln("; keycodetotext[codex] = "x"; keycodetotext[codek] = "k"; keycodetotext[codepi] = "pi"; keycodetotext[codeopenb] = "("; keycodetotext[codecloseb] = ")"; keycodetotext[codeplus] = "+"; keycodetotext[codeminus] = "-"; keycodetotext[codemultiply] = "*"; keycodetotext[codedivide] = "/"; keycodetotext[codepower] = "^"; keycodetotext[codepoint] = "."; keycodetotext[codeabc ] = ""; } @override public void onkey(int primarycode, int[] keycodes) { // edittext , editable view focuscurrent = mhostactivity.getwindow().getcurrentfocus(); if( focuscurrent==null || focuscurrent.getclass()!=edittext.class ) return; edittext edittext = (edittext) focuscurrent; editable editable = edittext.gettext(); int start = edittext.getselectionstart(); keysinitialise(); // apply key edittext if(primarycode == codeevaluate) { if(donebutton != null) donebutton.performclick(); } else if (primarycode == codeclear){ if(clearbutton != null) clearbutton.performclick(); } else if (primarycode == codeinfo){ if(infobutton != null) infobutton.performclick(); } else if(primarycode ==codedelete) { if( editable!=null && start>0 ) editable.delete(start - 1, start); } else if(primarycode == codehide) { hidecustomkeyboard(); } else if(primarycode > codeminimum && primarycode < codemaximum) { editable.insert(start, keycodetotext[primarycode]); } else editable.insert(start, integer.tostring(primarycode)); } @override public void onpress(int arg0) { } @override public void onrelease(int primarycode) { } @override public void ontext(charsequence text) { } public customkeyboard(activity host, int viewid, int layoutid) { mhostactivity= host; mkeyboardview= (keyboardview)mhostactivity.findviewbyid(viewid); mkeyboardview.setkeyboard(new keyboard(mhostactivity, layoutid)); mkeyboardview.setpreviewenabled(false); // note not show preview balloons mkeyboardview.setonkeyboardactionlistener(monkeyboardactionlistener); } /** returns whether customkeyboard visible. */ public boolean iscustomkeyboardvisible() { return mkeyboardview.getvisibility() == view.visible; } /** make customkeyboard visible, , hide system keyboard given view. */ public void showcustomkeyboard(view v) { mkeyboardview.setvisibility(view.visible); mkeyboardview.setenabled(true); } /** make customkeyboard invisible. */ public void hidecustomkeyboard() { mkeyboardview.setvisibility(view.gone); mkeyboardview.setenabled(false); } /** hide standard keyboard */ private void hidestandardkeyboard(view v) { if(v != null) ((inputmethodmanager)mhostactivity.getsystemservice(activity.input_method_service)).hidesoftinputfromwindow(v.getwindowtoken(), 0); } /** register donebutton donebutton.performclick() * called when "done" keypad-button clicked. */ public void registerdonebutton (button donebutton) { this.donebutton = donebutton; } public void registerclearbutton (button clearbutton) { this.clearbutton = clearbutton; } public void registerinfobutton (button infobutton) { this.infobutton = infobutton; } /** * register <var>edittext<var> using custom keyboard. * * @param edittext registers custom keyboard. */ public void registeredittext(edittext edittext) { // make custom keyboard appear or disappear edittext.setonfocuschangelistener(new onfocuschangelistener() { @override public void onfocuschange(view v, boolean hasfocus) { if(hasfocus) showcustomkeyboard(v); else hidecustomkeyboard(); } }); edittext.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { showcustomkeyboard(v); } }); edittext.setontouchlistener(new ontouchlistener() { @override public boolean ontouch(view v, motionevent event) { ((edittext) v).ontouchevent(event); hidestandardkeyboard(v); return true; // consume touch event } }); }
since have layout xml of keyboard, make keyboard equals 1 presented in first image. should have background of key view , add every key.
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