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RelativeLayoutActivity.java
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RelativeLayoutActivity.java
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package com.example.patrick.canvaswrite;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
public class RelativeLayoutActivity extends Activity {
RelativeLayout parent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_relative_layout);
}
@Override
public void onWindowFocusChanged(boolean b) {
RelativeLayout relativeLayout = (RelativeLayout)findViewById(R.id.RelativeContainer);
int height = relativeLayout.getHeight();
int width = relativeLayout.getWidth();
Log.i("Width is:", Integer.toString(width));
Log.i("Height is:", Integer.toString(height));
if(width < height) {
Log.i("WIDTH < ", " HEIGHT");
LinearLayout.LayoutParams layout_description = new LinearLayout.LayoutParams(width, width);
relativeLayout.setLayoutParams(layout_description);
}
else
{
Log.i("HEIGHT < ", " WIDTH");
LinearLayout.LayoutParams layout_description = new LinearLayout.LayoutParams(height, height);
relativeLayout.setGravity(Gravity.CENTER);
relativeLayout.setLayoutParams(layout_description);
}
height = relativeLayout.getLayoutParams().height;
width = relativeLayout.getLayoutParams().width;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_relative_layout, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}