Difference between revisions of "Android Controller"

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(Android Basics:)
m (Android Basics:)
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</pre>
 
</pre>
 
**Sliders
 
**Sliders
***<pre>
+
<pre>
 
SeekBar seekbar=(SeekBar)findViewById(R.id.seekBar1);
 
SeekBar seekbar=(SeekBar)findViewById(R.id.seekBar1);
 
seekbar.setOnSeekBarChangeListener(sbar);
 
seekbar.setOnSeekBarChangeListener(sbar);
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CharSequence t="slider progress:"+progress;
 
CharSequence t="slider progress:"+progress;
 
seekbartxt.setText(t);
 
seekbartxt.setText(t);
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</pre>
 +
**Toasts (timed popups)
 +
<pre>
 +
                    int duration = Toast.LENGTH_SHORT;
 +
                    View v;
 +
    CharSequence text = "button "+v.getId()+" pressed";
 +
    Toast t=Toast.makeText(v.getContext(),text, duration);
 +
    t.show();
 
</pre>
 
</pre>
 
* Listeners
 
* Listeners
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};
 
};
 
</pre>
 
</pre>
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* Start New Intent
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<pre>
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Intent myIntent = new Intent(v.getContext(), TouchScreen.class);
 +
    startActivityForResult(myIntent, 0);
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</pre>
 +
  
 
* Camera
 
* Camera

Revision as of 20:48, 4 June 2011

Contents

Android Controller

Jeanne Wang

Objective

Create an intuitive and novel approach to a tablet based multi-touch and sensor-enabled controller for a real-time 3D visualization on a 2D platform. Using camera pose information relative to a 3D model displayed on a screen, we can display virtual camera shots in the 3D model space on the tablet.


Android Basics:

  • Sandboxed in a linux environment, each application is actually a user
  • Model View Controller setup
    • Model - Content providers
    • View - XML
    • Controller - Activity, or Service
  • UI Components
    • Buttons
Button button = (Button)findViewById(R.id.button1);
button.setOnClickListener(buttonOnClick);
    • Sliders
SeekBar seekbar=(SeekBar)findViewById(R.id.seekBar1);
seekbar.setOnSeekBarChangeListener(sbar);
    • TextView
TextView seekbartxt=(TextView)findViewById(R.id.seekBarText);
			CharSequence t="slider progress:"+progress;
			seekbartxt.setText(t);
    • Toasts (timed popups)
                    int duration = Toast.LENGTH_SHORT;
                    View v;
		    CharSequence text = "button "+v.getId()+" pressed";
		    Toast t=Toast.makeText(v.getContext(),text, duration);
		    t.show();
  • Listeners
    • OnClickListener
private OnClickListener showCamera = new OnClickListener() {
	    public void onClick(View v) {
		    	//do stuff here
            }
    • OnSeekBarChangeListener
private SeekBar.OnSeekBarChangeListener sbar = new SeekBar.OnSeekBarChangeListener()
	{
		
		public void onStopTrackingTouch(SeekBar seekBar) {			
		}
		
		public void onStartTrackingTouch(SeekBar seekBar) {
		}
		
		public void onProgressChanged(SeekBar seekBar, int progress,
				boolean fromUser) {
		}
	};
  • Start New Intent
Intent myIntent = new Intent(v.getContext(), TouchScreen.class);
		    startActivityForResult(myIntent, 0);


  • Camera

Hardware + Emulator

Network

  • server
  • client
  • socket issues

ARToolkit

  • detect marker
  • pose

Android

OpenCover

  • display marker
  • display dataset

Tips

  • Tip: An easy way to add import packages to your project is to press Ctrl-Shift-O (Cmd-Shift-O, on Mac). This is an Eclipse shortcut that identifies missing packages based on your code and adds them for you.
  • To get cpuinfo on a particular machine look in: /proc/cpuinfo
  • To get ipaddress on a particular machine call /sbin/ifconfig

Other possibilities

  • Corona Sdk [[1]]
  • HTML5 DeviceMotionEvent [[2]]
  • PhoneGap [[3]]