package com.example.android.foldercamera;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.ImageFormat;
import android.graphics.Matrix;
import android.graphics.Rect;
import android.graphics.RectF;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.RotateAnimation;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import android.widget.ZoomControls;
import com.google.common.collect.Lists;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import at.markushi.ui.CircleButton;
public class MainActivity extends Activity implements SurfaceHolder.Callback {
public static final int ORIENTAION_CHANGE = 1;
private static final int CAMERA_CONTROL_VALUE = 3;
private static final String TAG = "fc";
CustomDialog customDialog;
OrientationChangeDetector orientationChangeDetector;
PictureSave pictureSave;
int currentZoomLevel;
double finger_distance = 0;
boolean previewRunning = false;
//camrea
private Camera camera;
private Camera.Parameters parameters;
private CameraCallback cameraCallback;
//surface view
private SurfaceView surfaceView;
private SurfaceHolder surfaceHolder;
private Button take_picture_button;
//UI elements
private ImageView imageView1;
private CircleButton fam;
private View.OnClickListener famOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d(TAG, "famisclicked");
setCustomDialog();
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//camera = Camera.open();
fam = (CircleButton) findViewById(R.id.float_button);
fam.setOnClickListener(famOnClickListener);
orientationChangeDetector = new OrientationChangeDetector(this);
pictureSave = new PictureSave(getApplicationContext());
cameraCallback = new CameraCallback(pictureSave, orientationChangeDetector);
surfaceView = (SurfaceView)
findViewById(R.id.surfaceView);
imageView1 = (ImageView)
findViewById(R.id.imageView1);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
surfaceHolder.addCallback(this);
setup_custom_dialog();
setup_tack_picture_button();
}
private void setCustomDialog(){
customDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
setPictureSize();
}
});
// //Here's the magic..
//Set the dialog to not focusable (makes navigation ignore us adding the window)
customDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
//Show the dialog!
customDialog.show();
//Set the dialog to immersive
customDialog.getWindow().getDecorView().setSystemUiVisibility(
getWindow().getDecorView().getSystemUiVisibility());
//Clear the not focusable flag from the window
customDialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
;
}
@Override
protected void onResume() {
super.onResume();
Log.d(TAG, "onResume");
setImmersiveMode();
}
@Override
protected void onPause() {
super.onPause();
Log.d(TAG, "onPause");
orientationChangeDetector.unregister();
}
private void setup_custom_dialog() {
customDialog = new CustomDialog(MainActivity.this, pictureSave);
customDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
setImmersiveMode();
}
});
}
private void setup_tack_picture_button() {
take_picture_button = (Button) findViewById(R.id.button1);
take_picture_button.setTag(0);
take_picture_button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
//自動對焦
camera.autoFocus(cameraCallback.autoFocusCallback_with_takePicture);
}
}
);
}
private void setPictureSize() {
//get resolution from shared preference
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
String str_resolution = sharedPreferences.getString(getResources().getString(R.string.pref_resolution_key), getResources().getString(R.string.resolution_large));
int resolution = Integer.parseInt(str_resolution);
parameters = camera.getParameters();
PictureSize pictureSave = new PictureSize(parameters, camera.new Size(0,0));
Camera.Size size = pictureSave.getResolution(resolution);
parameters.setPictureSize(size.width, size.height);
camera.setParameters(parameters);
}
private void setImmersiveMode() {
View decorView = getWindow().getDecorView();
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
}
private void setupZoomControl() {
ZoomControls zoomControls = (ZoomControls) findViewById(R.id.zoomControls);
if (parameters.isZoomSupported()) {
final int maxZoomLevel = parameters.getMaxZoom();
currentZoomLevel = 0;
zoomControls.setIsZoomInEnabled(true);
zoomControls.setIsZoomOutEnabled(true);
zoomControls.setOnZoomInClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
zoomCamera(true);
}
}
);
zoomControls.setOnZoomOutClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
zoomCamera(false);
}
}
);
} else {
zoomControls.setVisibility(View.GONE);
}
}
public void zoomCamera(boolean zoomInOrOut) {
if (camera != null) {
Camera.Parameters parameter = camera.getParameters();
if (parameter.isZoomSupported()) {
int MAX_ZOOM = parameter.getMaxZoom();
int currentZoom = parameter.getZoom();
if (zoomInOrOut && (currentZoom < MAX_ZOOM && currentZoom >= 0)) {
currentZoom = currentZoom + CAMERA_CONTROL_VALUE;
parameter.setZoom(currentZoom);
} else if (!zoomInOrOut && (currentZoom <= MAX_ZOOM && currentZoom > 0)) {
currentZoom = currentZoom - CAMERA_CONTROL_VALUE;
parameter.setZoom(currentZoom);
}
} else
Toast.makeText(getApplicationContext(), "Zoom Not Avaliable", Toast.LENGTH_LONG).show();
camera.setParameters(parameter);
}
}
private double handleZoomGesture(MotionEvent event, double mDist) {
double newDist = getFingerSpacing(event);
if (newDist > mDist) {
zoomCamera(true);
} else if (newDist < mDist) {
zoomCamera(false);
}
return newDist;
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
setPictureSize();
parameters = camera.getParameters();
try {
List<Camera.Size> sizes = parameters.getSupportedPreviewSizes();
//looking for resolution
for (int i = 0; i < sizes.size(); i++) {
Log.d("fc:", sizes.get(i).height + " " + sizes.get(i).width);
}
Camera.Size cs = sizes.get(0);
parameters.setPictureFormat(ImageFormat.JPEG);
parameters.setPreviewSize(cs.width, cs.height);
camera.setParameters(parameters);
//設置參數
camera.setPreviewDisplay(surfaceHolder);
//setup zoomcontrol
setupZoomControl();
// 鏡頭的方向和手機相差90度，所以要轉向
camera.setDisplayOrientation(90);
//攝影頭畫面顯示在Surface上
camera.startPreview();
} catch (IOException e) {
e.printStackTrace();
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
System.out.println("surfaceDestroyed");
camera.stopPreview();
//關閉預覽
camera.release();
//
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getAction();
Log.d(TAG, "pointer count: " + event.getPointerCount());
if (action == MotionEvent.ACTION_DOWN) {
camera.autoFocus(cameraCallback.autoFocusCallback_without_takePicture);
}
if (event.getPointerCount() > 1) {
if (action == MotionEvent.ACTION_POINTER_DOWN) {
finger_distance = getFingerSpacing(event);
Log.d(TAG, "motion event action_pointer_down distance: " + finger_distance);
} else if (action == MotionEvent.ACTION_MOVE && parameters.isZoomSupported()) {
Log.d(TAG, "motion event action_move");
camera.cancelAutoFocus();
finger_distance = handleZoomGesture(event, finger_distance);
}
}
return true;
}
//calculate the distance between two fingers
private double getFingerSpacing(MotionEvent event) {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return Math.sqrt(x * x + y * y);
}
}