Android Build Color Picker

<linearlayout xmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "Vertical" > <LinearLayout android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Vertical" > <LinearLayout android:layout_weight= "1"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Horizontal" > <TextView android:layout_width= "Wrap_content"android:gravity= "Center_vertical"Android:layout_height= "Match_parent"Android:layout_marginleft= "10DP"android:textsize= "20SP"Android:text= "Please enter line:"/> <EditText Android:id= "@+id/edittext1"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:ems= "10"Android:hint= "Please enter a number!" "Android:numeric= "decimal"/> </LinearLayout> <LinearLayout android:layout_weight= "1"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Horizontal" > <TextView android:layout_width= "Wrap_content"android:gravity= "Center_vertical"Android:layout_height= "Match_parent"Android:layout_marginleft= "10DP"android:textsize= "20SP"Android:text= "Please enter column:"/> <EditText Android:id= "@+id/edittext2"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:ems= "10"Android:hint= "Please enter a number!" "Android:numeric= "decimal" > <requestfocus/> </EditText> </linearlayout > <LinearLayout android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Horizontal" > <Button android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:id= "@+id/button1"Android:text= "One-click Auto-Generate Table"/> </LinearLayout> </LinearLayout> <tablelayout android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:id= "@+id/table1" > </TableLayout></LinearLayout>

Importandroid.app.Activity;ImportAndroid.graphics.Color;ImportAndroid.os.Bundle;ImportAndroid.util.Log;Importandroid.view.Gravity;ImportAndroid.view.Menu;ImportAndroid.view.MenuItem;ImportAndroid.view.View;ImportAndroid.view.View.OnClickListener;ImportAndroid.view.ViewGroup;ImportAndroid.widget.Button;ImportAndroid.widget.EditText;Importandroid.widget.TableLayout;ImportAndroid.widget.TableRow;ImportAndroid.widget.TextView;ImportAndroid.widget.Toast; Public classMainactivityextendsActivity {Private Final intWC =ViewGroup.LayoutParams.WRAP_CONTENT; Private Final intMP =ViewGroup.LayoutParams.MATCH_PARENT; PrivateEditText Row; PrivateEditText column; PrivateButton bt1; PrivateTablelayout tablelayout; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_main); //Get Control buttonbt1=(Button) Findviewbyid (R.id.button1); //Get text input box controlrow=(EditText) Findviewbyid (R.ID.EDITTEXT1); Column=(EditText) Findviewbyid (R.ID.EDITTEXT2); //to bind the button buttons to an order-click eventBt1.setonclicklistener (NewOnclicklistener () {@Override Public voidOnClick (View v) {//color[] colorblocks= new color[4096]; //int Row_int=integer.parseint (Row.gettext (). toString ()); //int Col_int=integer.parseint (Column.gettext (). toString ()); //Get Control TablelayoutTablelayout =(tablelayout) Findviewbyid (R.ID.TABLE1); //Clear All Rows of a tabletablelayout.removeallviews (); //all columns automatically fill in the blanksTablelayout.setstretchallcolumns (true); //generate a table of x rows, y columns                               intThelength = 64;  for(inti=0;i<thelength;i++) {TableRow TableRow=NewTableRow (mainactivity. This); //Create color                     for(intj=0;j<thelength;j++)                        {                            intresult = I*thelength + (j+1)-1;//0~4095                        intRed = result/256 ; intGreen = (result-red*256)/16; intBlue = result-red*256-green*16; //TV is used to displayTextView tv=NewTextView (mainactivity. This); //button Bt=new button (mainactivity.this);Tv.settext ("-"); Tv.setbackgroundcolor (Color.rgb (Red*16, green*16, blue*16) ); //Color.rgb (red*16-1, Green*16-1, blue*16-1)//Tv.setbackgroundresource (35434);Tablerow.addview (TV); }                        //new TableRow added to TablelayoutTablelayout.addview (TableRow,NewTablelayout.layoutparams (MP, wc,1));                    }                                            }        }); }  }

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Android Build Color Picker