Added Foreground Camera Plugin and Foreground Gallery Plugin for Phon…

…egap (Cordova) 2.1.0.

Android/ForegroundCamera/CameraActivity.java

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+/*
+	    Copyright 2012 Bruno Carreira - Lucas Farias - Rafael Luna - Vinícius Fonseca.
+
+		Licensed under the Apache License, Version 2.0 (the "License");
+		you may not use this file except in compliance with the License.
+		You may obtain a copy of the License at
+
+		http://www.apache.org/licenses/LICENSE-2.0
+
+		Unless required by applicable law or agreed to in writing, software
+		distributed under the License is distributed on an "AS IS" BASIS,
+		WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+		See the License for the specific language governing permissions and
+   		limitations under the License.   			
+ */
+
+package com.foregroundcameraplugin;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+import android.app.Activity;
+import android.hardware.Camera;
+import android.hardware.Camera.AutoFocusCallback;
+import android.hardware.Camera.PictureCallback;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.FrameLayout;
+
+/**
+ * Camera Activity Class. Configures Android camera to take picture and show it.
+ */
+public class CameraActivity extends Activity {
+
+	private static final String TAG = "CameraActivity";
+
+	private Camera mCamera;
+	private ForegroundCameraPreview mPreview;
+	private boolean pressed = false;
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.foregroundcameraplugin);
+
+		// Create an instance of Camera
+		mCamera = getCameraInstance();
+
+		// Create a Preview and set it as the content of activity.
+		mPreview = new ForegroundCameraPreview(this, mCamera);
+		FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview);
+		preview.addView(mPreview);
+
+		// Add a listener to the Capture button
+		Button captureButton = (Button) findViewById(R.id.button_capture);
+		captureButton.setOnClickListener(new View.OnClickListener() {
+			public void onClick(View v) {
+
+				if (pressed)
+					return;
+
+				// Set pressed = true to prevent freezing.
+				// Issue 1 at
+				// http://code.google.com/p/foreground-camera-plugin/issues/detail?id=1
+				pressed = true;
+
+				// get an image from the camera
+				mCamera.autoFocus(new AutoFocusCallback() {
+
+					public void onAutoFocus(boolean success, Camera camera) {
+						mCamera.takePicture(null, null, mPicture);
+					}
+				});
+			}
+		});
+
+		Button cancelButton = (Button) findViewById(R.id.button_cancel);
+		cancelButton.setOnClickListener(new View.OnClickListener() {
+			public void onClick(View v) {
+				pressed = false;
+				setResult(RESULT_CANCELED);
+				finish();
+			}
+		});
+	}
+
+	@Override
+	protected void onPause() {
+		if (mCamera != null) {
+			mCamera.release(); // release the camera for other applications
+			mCamera = null;
+		}
+		super.onPause();
+	}
+
+	/** A safe way to get an instance of the Camera object. */
+	public static Camera getCameraInstance() {
+		Camera c = null;
+		try {
+			c = Camera.open(); // attempt to get a Camera instance
+		} catch (Exception e) {
+			// Camera is not available (in use or does not exist)
+		}
+		return c; // returns null if camera is unavailable
+	}
+
+	private PictureCallback mPicture = new PictureCallback() {
+
+		public void onPictureTaken(byte[] data, Camera camera) {
+
+			Uri fileUri = (Uri) getIntent().getExtras().get(
+					MediaStore.EXTRA_OUTPUT);
+
+			File pictureFile = new File(fileUri.getPath());
+
+			try {
+				FileOutputStream fos = new FileOutputStream(pictureFile);
+				fos.write(data);
+				fos.close();
+			} catch (FileNotFoundException e) {
+				Log.d(TAG, "File not found: " + e.getMessage());
+			} catch (IOException e) {
+				Log.d(TAG, "Error accessing file: " + e.getMessage());
+			}
+			setResult(RESULT_OK);
+			pressed = false;
+			finish();
+		}
+	};
+}