Android Open Source - android-snappy Snappy

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Back to project page android-snappy.

License

The source code is released under:

GNU General Public License

Java Source Code

package de.uvwxy.snappy;
/* w w  w. j  av a  2  s  . c  o m*/
import java.io.IOException;
import java.util.Timer;
import java.util.TimerTask;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

public class Snappy extends Activity {
  MyCamera myCamera;
  SurfaceView myCameraPreview;
  Button btnStart;
  Button btnStop;
  EditText etSeconds;
  Timer timer;
  TimerTask task;
  TextView tvInfo;
  CheckBox cbPreview;
  RadioGroup rdbgFocus;
  RadioButton rdbAuto;
  RadioButton rdbInfinity;
  RadioButton rdbMacro;
  Focus focus;

  boolean app_was_run = false;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    myCameraPreview = (SurfaceView) findViewById(R.id.svMyCameraPreview);
    btnStart = (Button) findViewById(R.id.btnStart);
    btnStop = (Button) findViewById(R.id.btnStop);
    btnStop.setEnabled(false);
    etSeconds = (EditText) findViewById(R.id.etSeconds);
    tvInfo = (TextView) findViewById(R.id.tvInfo);
    cbPreview = (CheckBox) findViewById(R.id.cbPreview);
    rdbgFocus = (RadioGroup) findViewById(R.id.rdbgFocus);
    rdbAuto = (RadioButton) findViewById(R.id.rdbAuto);
    rdbInfinity = (RadioButton) findViewById(R.id.rdbInfinity);
    rdbMacro = (RadioButton) findViewById(R.id.rdbMacro);

    myCamera = new MyCamera("snappy", myCameraPreview.getHolder(), tvInfo, cbPreview);
    

    OnClickListener onClick = new OnClickListener() {
      @Override
      public void onClick(View arg0) {
        if (arg0.equals(btnStart)) {
          // Check focus mode
          if (rdbAuto.isChecked()) {
            myCamera.setFocus(Focus.AUTO);
          } else if (rdbInfinity.isChecked()) {
            myCamera.setFocus(Focus.INFINITY);
          } else if (rdbMacro.isChecked()) {
            myCamera.setFocus(Focus.MACRO);
          } else {
            longToast("Please select Focus mode!");
            return;      // dont go any further on no selection!
          }
          // Disable/Enable interface
          btnStop.setEnabled(true);
          btnStart.setEnabled(false);
          etSeconds.setEnabled(false);

          tvInfo.setText("Timer: started");
          app_was_run = true;
          // always do preview at start
          try {
            myCamera.open();

          } catch (IOException e1) {
            Log.i("SNAPPY", "Error opening: " + e1);
          }

          // Start Timer
          timer = new Timer("Snapper", false);
          task = new TimerTask() {

            @Override
            public void run() {
              Log.i("SNAPPY", "Timer RUN!");
              if (cbPreview.isChecked()) {
                // if camera is not open: open it
                if (!myCamera.isOpen) {
                  try {
                    myCamera.close();
                    myCamera.open();
                  } catch (IOException e) {
                    Log.i("SNAPPY", "Error: " + e.getMessage());
                  }
                }
                // else just snap picture
                myCamera.snap();
                // preview is called when image is ready from
                // camera
              } else {
                // no preview, just open and snap
                try {
                  myCamera.close();
                  myCamera.open();
                  myCamera.snap();
                } catch (IOException e) {
                  Log.i("SNAPPY", "Error: " + e.getMessage());
                }
              }
            }
          };
          timer.schedule(task, Long.parseLong(etSeconds.getText().toString()) * 1000,
              Long.parseLong(etSeconds.getText().toString()) * 1000);
        } else if (arg0.equals(btnStop)) {
          // Disable/Enable interface
          btnStop.setEnabled(false);
          btnStart.setEnabled(true);
          etSeconds.setEnabled(true);
          tvInfo.setText("Timer: stopped");

          // Kill Timer
          timer.cancel();
          timer.purge();
          myCamera.close();
        }
      }
    };

    btnStart.setOnClickListener(onClick);
    btnStop.setOnClickListener(onClick);
  }

  public void onPause() {
    super.onPause();
    if (app_was_run)
      myCamera.close();
  }

  public void onDestroy() {
    super.onDestroy();
    if (app_was_run)
      myCamera.close();
  }
//  private void shortToast(String s) {
//    Toast.makeText(this, s, Toast.LENGTH_SHORT).show();
//  }

  private void longToast(String s) {
    Toast.makeText(this, s, Toast.LENGTH_LONG).show();
  }
}

Java Source Code List

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