Files
Simple-Camera/app/src/main/java/com/simplemobiletools/camera/MainActivity.java

467 lines
14 KiB
Java

package com.simplemobiletools.camera;
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.hardware.Camera;
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.KeyEvent;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.simplemobiletools.camera.Preview.PreviewListener;
import java.util.ArrayList;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
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_photo_video) 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;
private static SensorManager sensorManager;
private Preview preview;
private boolean isFlashEnabled;
private boolean isInPhotoMode;
private boolean isAskingPermissions;
private boolean isCameraAvailable;
private boolean isImageCaptureIntent;
private boolean isVideoCaptureIntent;
private boolean isHardwareShutterHandled;
private int currVideoRecTimer;
private int orientation;
private int currCamera;
private Handler timerHandler;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
tryInitCamera();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_CAMERA && !isHardwareShutterHandled) {
isHardwareShutterHandled = true;
shutterPressed();
return true;
} else {
return super.onKeyDown(keyCode, event);
}
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_CAMERA) {
isHardwareShutterHandled = false;
}
return super.onKeyUp(keyCode, event);
}
private void hideToggleModeAbout() {
if (togglePhotoVideoBtn != null)
togglePhotoVideoBtn.setVisibility(View.GONE);
if (aboutBtn != null)
aboutBtn.setVisibility(View.GONE);
}
private void tryInitCamera() {
if (hasCameraAndStoragePermission()) {
initializeCamera();
handleIntent();
} else {
final List<String> permissions = new ArrayList<>(2);
if (!Utils.hasCameraPermission(getApplicationContext())) {
permissions.add(Manifest.permission.CAMERA);
}
if (!Utils.hasStoragePermission(getApplicationContext())) {
permissions.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
}
ActivityCompat.requestPermissions(this, permissions.toArray(new String[permissions.size()]), CAMERA_STORAGE_PERMISSION);
}
}
private void handleIntent() {
final Intent intent = getIntent();
if (intent != null) {
if (intent.getExtras() != null && intent.getAction().equals(MediaStore.ACTION_IMAGE_CAPTURE)) {
isImageCaptureIntent = true;
hideToggleModeAbout();
final Object output = intent.getExtras().get(MediaStore.EXTRA_OUTPUT);
if (output != null && output instanceof Uri) {
preview.setTargetUri((Uri) output);
}
} else if (intent.getAction().equals(MediaStore.ACTION_VIDEO_CAPTURE)) {
isVideoCaptureIntent = true;
hideToggleModeAbout();
preview.setIsVideoCaptureIntent();
shutterBtn.setImageDrawable(getResources().getDrawable(R.mipmap.video_rec));
}
}
}
private void initializeCamera() {
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
currCamera = Camera.CameraInfo.CAMERA_FACING_BACK;
preview = new Preview(this, (SurfaceView) findViewById(R.id.surfaceView), this);
preview.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
viewHolder.addView(preview);
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
isInPhotoMode = true;
timerHandler = new Handler();
}
private boolean hasCameraAndStoragePermission() {
return Utils.hasCameraPermission(getApplicationContext()) && Utils.hasStoragePermission(getApplicationContext());
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
isAskingPermissions = false;
if (requestCode == CAMERA_STORAGE_PERMISSION) {
if (hasCameraAndStoragePermission()) {
initializeCamera();
handleIntent();
} else {
Utils.showToast(getApplicationContext(), R.string.no_permissions);
finish();
}
} else if (requestCode == AUDIO_PERMISSION) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
toggleVideo();
} else {
Utils.showToast(getApplicationContext(), R.string.no_audio_permissions);
if (isVideoCaptureIntent)
finish();
}
}
}
@OnClick(R.id.toggle_camera)
public void toggleCamera() {
if (!checkCameraAvailable()) {
return;
}
if (currCamera == Camera.CameraInfo.CAMERA_FACING_BACK) {
currCamera = Camera.CameraInfo.CAMERA_FACING_FRONT;
} else {
currCamera = Camera.CameraInfo.CAMERA_FACING_BACK;
}
int newIconId = R.mipmap.camera_front;
preview.releaseCamera();
if (preview.setCamera(currCamera)) {
if (currCamera == Camera.CameraInfo.CAMERA_FACING_BACK) {
newIconId = R.mipmap.camera_rear;
}
toggleCameraBtn.setImageResource(newIconId);
disableFlash();
hideTimer();
} else {
Utils.showToast(getApplicationContext(), R.string.camera_switch_error);
}
}
@OnClick(R.id.toggle_flash)
public void toggleFlash() {
if (!checkCameraAvailable()) {
return;
}
if (isFlashEnabled) {
disableFlash();
} else {
enableFlash();
}
}
private void disableFlash() {
preview.disableFlash();
isFlashEnabled = false;
toggleFlashBtn.setImageResource(R.mipmap.flash_off);
}
private void enableFlash() {
preview.enableFlash();
isFlashEnabled = true;
toggleFlashBtn.setImageResource(R.mipmap.flash_on);
}
@OnClick(R.id.shutter)
public void handleShutterPressed() {
shutterPressed();
}
private void shutterPressed() {
if (!checkCameraAvailable()) {
return;
}
handleShutter();
}
private void handleShutter() {
if (isInPhotoMode) {
preview.takePicture();
} else {
final Resources res = getResources();
final boolean isRecording = preview.toggleRecording();
if (isRecording) {
shutterBtn.setImageDrawable(res.getDrawable(R.mipmap.video_stop));
toggleCameraBtn.setVisibility(View.INVISIBLE);
showTimer();
} else {
shutterBtn.setImageDrawable(res.getDrawable(R.mipmap.video_rec));
toggleCameraBtn.setVisibility(View.VISIBLE);
hideTimer();
}
}
}
@OnClick(R.id.about)
public void launchAbout() {
final Intent intent = new Intent(getApplicationContext(), AboutActivity.class);
startActivity(intent);
}
@OnClick(R.id.toggle_photo_video)
public void handleToggleVideo() {
toggleVideo();
checkButtons();
}
private void toggleVideo() {
if (!checkCameraAvailable()) {
return;
}
if (!Utils.hasAudioPermission(getApplicationContext())) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.RECORD_AUDIO}, AUDIO_PERMISSION);
isAskingPermissions = true;
return;
}
if (isVideoCaptureIntent)
preview.trySwitchToVideo();
disableFlash();
hideTimer();
isInPhotoMode = !isInPhotoMode;
toggleCameraBtn.setVisibility(View.VISIBLE);
}
private void checkButtons() {
if (isInPhotoMode) {
initPhotoButtons();
} else {
initVideoButtons();
}
}
private void initPhotoButtons() {
final Resources res = getResources();
togglePhotoVideoBtn.setImageDrawable(res.getDrawable(R.mipmap.videocam));
shutterBtn.setImageDrawable(res.getDrawable(R.mipmap.camera));
preview.initPhotoMode();
}
private void initVideoButtons() {
if (preview.initRecorder()) {
final Resources res = getResources();
togglePhotoVideoBtn.setImageDrawable(res.getDrawable(R.mipmap.photo));
shutterBtn.setImageDrawable(res.getDrawable(R.mipmap.video_rec));
toggleCameraBtn.setVisibility(View.VISIBLE);
} else {
if (!isVideoCaptureIntent) {
Utils.showToast(getApplicationContext(), R.string.video_mode_error);
}
}
}
private void hideNavigationBarIcons() {
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
}
private void hideTimer() {
recCurrTimer.setText(Utils.formatSeconds(0));
recCurrTimer.setVisibility(View.GONE);
currVideoRecTimer = 0;
timerHandler.removeCallbacksAndMessages(null);
}
private void showTimer() {
recCurrTimer.setVisibility(View.VISIBLE);
setupTimer();
}
private void setupTimer() {
runOnUiThread(new Runnable() {
@Override
public void run() {
recCurrTimer.setText(Utils.formatSeconds(currVideoRecTimer++));
timerHandler.postDelayed(this, 1000);
}
});
}
@Override
protected void onResume() {
super.onResume();
if (hasCameraAndStoragePermission()) {
resumeCameraItems();
if (isVideoCaptureIntent && isInPhotoMode) {
toggleVideo();
checkButtons();
}
}
}
private void resumeCameraItems() {
final int cnt = Camera.getNumberOfCameras();
if (cnt == 1) {
toggleCameraBtn.setVisibility(View.INVISIBLE);
}
if (preview.setCamera(currCamera)) {
hideNavigationBarIcons();
if (sensorManager != null) {
final Sensor accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
sensorManager.registerListener(this, accelerometer, SensorManager.SENSOR_DELAY_GAME);
}
if (!isInPhotoMode) {
initVideoButtons();
}
} else {
Utils.showToast(getApplicationContext(), R.string.camera_switch_error);
}
}
@Override
protected void onPause() {
super.onPause();
if (!hasCameraAndStoragePermission() || isAskingPermissions)
return;
hideTimer();
if (preview != null) {
preview.releaseCamera();
}
if (sensorManager != null)
sensorManager.unregisterListener(this);
}
@Override
public void onSensorChanged(SensorEvent event) {
if (event.values[0] < 6.5 && event.values[0] > -6.5) {
orientation = Constants.ORIENT_PORTRAIT;
} else {
if (event.values[0] > 0) {
orientation = Constants.ORIENT_LANDSCAPE_LEFT;
} else {
orientation = Constants.ORIENT_LANDSCAPE_RIGHT;
}
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
private boolean checkCameraAvailable() {
if (!isCameraAvailable) {
Utils.showToast(getApplicationContext(), R.string.camera_unavailable);
}
return isCameraAvailable;
}
@Override
public void setFlashAvailable(boolean available) {
if (available) {
toggleFlashBtn.setVisibility(View.VISIBLE);
} else {
toggleFlashBtn.setVisibility(View.INVISIBLE);
disableFlash();
}
}
@Override
public void setIsCameraAvailable(boolean available) {
isCameraAvailable = available;
}
@Override
public void activateShutter() {
handleShutter();
}
@Override
public int getCurrentOrientation() {
return orientation;
}
@Override
public void videoSaved(Uri uri) {
if (isVideoCaptureIntent) {
final Intent intent = new Intent();
intent.setData(uri);
intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
setResult(RESULT_OK, intent);
finish();
}
}
@Override
public void mediaSaved() {
if (isImageCaptureIntent) {
setResult(RESULT_OK);
finish();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (preview != null)
preview.releaseCamera();
}
}