offer the app at image_capture actions

app/src/main/AndroidManifest.xml

@@ -25,6 +25,11 @@
 
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.media.action.IMAGE_CAPTURE"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
         </activity>
 
         <activity

app/src/main/java/com/simplemobiletools/camera/MainActivity.java

@@ -9,8 +9,10 @@ import android.hardware.Sensor;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
+import android.provider.MediaStore;
 import android.support.v4.app.ActivityCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.view.SurfaceView;
@@ -31,13 +33,14 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
-public class MainActivity extends AppCompatActivity implements SensorEventListener, PreviewListener {
+public class MainActivity extends AppCompatActivity implements SensorEventListener, PreviewListener, PhotoProcessor.MediaSavedListener {
     @BindView(R.id.viewHolder) RelativeLayout viewHolder;
     @BindView(R.id.toggle_camera) ImageView toggleCameraBtn;
     @BindView(R.id.toggle_flash) ImageView toggleFlashBtn;
     @BindView(R.id.toggle_videocam) ImageView togglePhotoVideoBtn;
     @BindView(R.id.shutter) ImageView shutterBtn;
     @BindView(R.id.video_rec_curr_timer) TextView recCurrTimer;
+    @BindView(R.id.about) View aboutBtn;
 
     private static final int CAMERA_STORAGE_PERMISSION = 1;
     private static final int AUDIO_PERMISSION = 2;
@@ -47,6 +50,7 @@ public class MainActivity extends AppCompatActivity implements SensorEventListen
     private boolean isInPhotoMode;
     private boolean isAskingPermissions;
     private boolean isCameraAvailable;
+    private boolean isImageCaptureIntent;
     private int currVideoRecTimer;
     private int orientation;
     private int currCamera;
@@ -58,6 +62,18 @@ public class MainActivity extends AppCompatActivity implements SensorEventListen
         requestWindowFeature(Window.FEATURE_NO_TITLE);
         getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
         tryInitCamera();
+
+        final Intent intent = getIntent();
+        if (intent != null && intent.getExtras() != null && intent.getAction().equals(MediaStore.ACTION_IMAGE_CAPTURE)) {
+            isImageCaptureIntent = true;
+            togglePhotoVideoBtn.setVisibility(View.GONE);
+            aboutBtn.setVisibility(View.GONE);
+
+            final Object output = intent.getExtras().get(MediaStore.EXTRA_OUTPUT);
+            if (output != null && output instanceof Uri) {
+                preview.setTargetUri((Uri) output);
+            }
+        }
     }
 
     private void tryInitCamera() {
@@ -347,4 +363,12 @@ public class MainActivity extends AppCompatActivity implements SensorEventListen
     public int getCurrentOrientation() {
         return orientation;
     }
+
+    @Override
+    public void mediaSaved() {
+        if (isImageCaptureIntent) {
+            setResult(RESULT_OK);
+            finish();
+        }
+    }
 }

app/src/main/java/com/simplemobiletools/camera/PhotoProcessor.java

@@ -1,6 +1,6 @@
 package com.simplemobiletools.camera;
 
-import android.content.Context;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.util.Log;
 
@@ -8,35 +8,66 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.lang.ref.WeakReference;
 
 public class PhotoProcessor extends AsyncTask<byte[], Void, Void> {
     private static final String TAG = PhotoProcessor.class.getSimpleName();
-    private static Context mContext;
+    private static WeakReference<MainActivity> mActivity;
+    private static Uri mUri;
 
-    public PhotoProcessor(Context context) {
+    public PhotoProcessor(MainActivity activity, Uri uri) {
-        mContext = context;
+        mActivity = new WeakReference<>(activity);
+        mUri = uri;
     }
 
     @Override
     protected Void doInBackground(byte[]... params) {
-        final String photoPath = Utils.getOutputMediaFile(mContext, true);
+        FileOutputStream fos = null;
-        if (photoPath.isEmpty()) {
+        String path;
-            return null;
-        }
-
         try {
-            final File photoFile = new File(photoPath);
+            if (mUri != null) {
+                path = mUri.getPath();
+            } else {
+                path = Utils.getOutputMediaFile(mActivity.get(), true);
+            }
+
+            if (path.isEmpty()) {
+                return null;
+            }
+
+            final File photoFile = new File(path);
             final byte[] data = params[0];
-            final FileOutputStream fos = new FileOutputStream(photoFile);
+            fos = new FileOutputStream(photoFile);
             fos.write(data);
             fos.close();
-            Utils.scanFile(photoPath, mContext);
+            Utils.scanFile(path, mActivity.get().getApplicationContext());
         } catch (FileNotFoundException e) {
-            Log.d(TAG, "PhotoProcessor file not found: " + e.getMessage());
+            Log.e(TAG, "PhotoProcessor file not found: " + e.getMessage());
         } catch (IOException e) {
             Log.e(TAG, "PhotoProcessor ioexception " + e.getMessage());
+        } finally {
+            if (fos != null) {
+                try {
+                    fos.close();
+                } catch (IOException e) {
+                    Log.e(TAG, "PhotoProcessor close ioexception " + e.getMessage());
+                }
+            }
         }
 
         return null;
     }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        super.onPostExecute(aVoid);
+        MediaSavedListener listener = mActivity.get();
+        if (listener != null) {
+            listener.mediaSaved();
+        }
+    }
+
+    public interface MediaSavedListener {
+        void mediaSaved();
+    }
 }

app/src/main/java/com/simplemobiletools/camera/Preview.java

@@ -1,12 +1,12 @@
 package com.simplemobiletools.camera;
 
-import android.app.Activity;
 import android.content.Context;
 import android.graphics.Rect;
 import android.hardware.Camera;
 import android.media.CamcorderProfile;
 import android.media.MediaPlayer;
 import android.media.MediaRecorder;
+import android.net.Uri;
 import android.os.Handler;
 import android.util.Log;
 import android.view.MotionEvent;
@@ -34,7 +34,7 @@ public class Preview extends ViewGroup implements SurfaceHolder.Callback, View.O
     private static SurfaceView surfaceView;
     private static Camera.Size previewSize;
     private static boolean canTakePicture;
-    private static Activity activity;
+    private static MainActivity activity;
     private static int currCameraId;
     private static boolean isFlashEnabled;
     private static Camera.Parameters parameters;
@@ -47,12 +47,13 @@ public class Preview extends ViewGroup implements SurfaceHolder.Callback, View.O
     private static int lastClickX;
     private static int lastClickY;
     private static int initVideoRotation;
+    private static Uri targetUri;
 
     public Preview(Context context) {
         super(context);
     }
 
-    public Preview(Activity act, SurfaceView sv, PreviewListener cb) {
+    public Preview(MainActivity act, SurfaceView sv, PreviewListener cb) {
         super(act);
 
         activity = act;
@@ -120,6 +121,10 @@ public class Preview extends ViewGroup implements SurfaceHolder.Callback, View.O
         }
     }
 
+    public void setTargetUri(Uri uri) {
+        targetUri = uri;
+    }
+
     private static int getPreviewRotation(int cameraId) {
         final Camera.CameraInfo info = Utils.getCameraInfo(cameraId);
         int degrees = getRotationDegrees();
@@ -200,7 +205,7 @@ public class Preview extends ViewGroup implements SurfaceHolder.Callback, View.O
                 }
             }, PHOTO_PREVIEW_LENGTH);
 
-            new PhotoProcessor(getContext()).execute(data);
+            new PhotoProcessor(activity, targetUri).execute(data);
             if (isFlashEnabled) {
                 parameters.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
                 camera.setParameters(parameters);