package com.example.touch;
import android.app.Activity;import android.os.Bundle;import android.view.MotionEvent;import android.view.View;import android.widget.Button;import android.widget.RelativeLayout;import android.widget.TextView;public class MainActivity extends Activity { Button b1, b2, b3, b4; int b1x1, b1x2, b1y1, b1y2; private TextView xcordview; private TextView ycordview; private TextView buttonIndicator; private RelativeLayout touchview; private static int defaultStates[]; private Button mLastButton; private final static int[] STATE_PRESSED = { android.R.attr.state_pressed, android.R.attr.state_focused| android.R.attr.state_enabled }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); xcordview = (TextView) findViewById(R.id.textView4); ycordview = (TextView) findViewById(R.id.textView3); buttonIndicator = (TextView) findViewById(R.id.button_indicator); touchview = (RelativeLayout) findViewById(R.id.relativelayout); b1 = (Button) findViewById(R.id.button1); b2 = (Button) findViewById(R.id.button2); b3 = (Button) findViewById(R.id.button3); b4 = (Button) findViewById(R.id.button4); defaultStates = b1.getBackground().getState(); } @Override protected void onResume() { // TODO Auto-generated method stub super.onResume(); touchview.setonTouchListener(new View.onTouchListener() { private boolean isInside = false; @Override public boolean onTouch(View v, MotionEvent event) { int x = (int) event.getX(); int y = (int) event.getY(); xcordview.setText(String.valueOf(x)); ycordview.setText(String.valueOf(y)); for (int i = 0; i < touchview.getChildCount(); i++) { View current = touchview.getChildAt(i); if (current instanceof Button) { Button b = (Button) current; if (!isPointWithin(x, y, b.getLeft(), b.getRight(), b.getTop(), b.getBottom())) { b.getBackground().setState(defaultStates); } if (isPointWithin(x, y, b.getLeft(), b.getRight(), b.getTop(), b.getBottom())) { b.getBackground().setState(STATE_PRESSED); if (b != mLastButton) { mLastButton = b; buttonIndicator.setText(mLastButton.getText()); } } } } return true; } }); } @Override public void onWindowFocusChanged(boolean hasFocus) { // TODO Auto-generated method stub super.onWindowFocusChanged(hasFocus); } static boolean isPointWithin(int x, int y, int x1, int x2, int y1, int y2) { return (x <= x2 && x >= x1 && y <= y2 && y >= y1); }}layout file
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/relativelayout" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#ffffff" > <TextView android:id="@+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_marginBottom="10dp" android:layout_marginLeft="10dp" android:text="Y Cord : " android:textAppearance="?android:attr/textAppearanceMedium" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/textView" android:layout_alignParentLeft="true" android:layout_marginBottom="10dp" android:layout_marginLeft="10dp" android:text="X Cord : " android:textAppearance="?android:attr/textAppearanceMedium" /> <TextView android:id="@+id/textView3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView2" android:layout_toRightOf="@+id/textView" android:textAppearance="?android:attr/textAppearanceMedium" android:textColor="#000000" /> <TextView android:id="@+id/textView4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/textView" android:layout_marginBottom="10dp" android:layout_toRightOf="@+id/textView" android:textAppearance="?android:attr/textAppearanceMedium" android:textColor="#000000" /> <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:text="B1" android:textColor="#000000" /> <Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_below="@+id/button1" android:text="B2" android:textColor="#000000" /> <Button android:id="@+id/button3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_below="@+id/button2" android:text="B3" android:textColor="#000000" /> <Button android:id="@+id/button4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_below="@+id/button3" android:text="B4" android:textColor="#000000" /> <TextView android:id="@+id/button_indicator" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignTop="@+id/textView4" android:layout_marginRight="33dp" android:text="No one" android:textAppearance="?android:attr/textAppearanceLarge" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/button_indicator" android:layout_alignBottom="@+id/button_indicator" android:layout_marginRight="29dp" android:layout_toLeftOf="@+id/button_indicator" android:text="Entered: " android:textAppearance="?android:attr/textAppearanceLarge" /></RelativeLayout>
