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FullScannerActivity.java
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FullScannerActivity.java
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package me.dm7.barcodescanner.zbar.sample;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
import me.dm7.barcodescanner.zbar.BarcodeFormat;
import me.dm7.barcodescanner.zbar.Result;
import me.dm7.barcodescanner.zbar.ZBarScannerView;
public class FullScannerActivity extends BaseScannerActivity implements MessageDialogFragment.MessageDialogListener,
ZBarScannerView.ResultHandler, FormatSelectorDialogFragment.FormatSelectorDialogListener,
CameraSelectorDialogFragment.CameraSelectorDialogListener {
private static final String FLASH_STATE = "FLASH_STATE";
private static final String AUTO_FOCUS_STATE = "AUTO_FOCUS_STATE";
private static final String SELECTED_FORMATS = "SELECTED_FORMATS";
private static final String CAMERA_ID = "CAMERA_ID";
private ZBarScannerView mScannerView;
private boolean mFlash;
private boolean mAutoFocus;
private ArrayList<Integer> mSelectedIndices;
private int mCameraId = -1;
@Override
public void onCreate(Bundle state) {
super.onCreate(state);
if(state != null) {
mFlash = state.getBoolean(FLASH_STATE, false);
mAutoFocus = state.getBoolean(AUTO_FOCUS_STATE, true);
mSelectedIndices = state.getIntegerArrayList(SELECTED_FORMATS);
mCameraId = state.getInt(CAMERA_ID, -1);
} else {
mFlash = false;
mAutoFocus = true;
mSelectedIndices = null;
mCameraId = -1;
}
setContentView(R.layout.activity_full_scanner);
setupToolbar();
ViewGroup contentFrame = (ViewGroup) findViewById(R.id.content_frame);
mScannerView = new ZBarScannerView(this);
setupFormats();
contentFrame.addView(mScannerView);
}
@Override
public void onResume() {
super.onResume();
mScannerView.setResultHandler(this);
mScannerView.startCamera(mCameraId);
mScannerView.setFlash(mFlash);
mScannerView.setAutoFocus(mAutoFocus);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(FLASH_STATE, mFlash);
outState.putBoolean(AUTO_FOCUS_STATE, mAutoFocus);
outState.putIntegerArrayList(SELECTED_FORMATS, mSelectedIndices);
outState.putInt(CAMERA_ID, mCameraId);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuItem menuItem;
if(mFlash) {
menuItem = menu.add(Menu.NONE, R.id.menu_flash, 0, R.string.flash_on);
} else {
menuItem = menu.add(Menu.NONE, R.id.menu_flash, 0, R.string.flash_off);
}
MenuItemCompat.setShowAsAction(menuItem, MenuItem.SHOW_AS_ACTION_NEVER);
if(mAutoFocus) {
menuItem = menu.add(Menu.NONE, R.id.menu_auto_focus, 0, R.string.auto_focus_on);
} else {
menuItem = menu.add(Menu.NONE, R.id.menu_auto_focus, 0, R.string.auto_focus_off);
}
MenuItemCompat.setShowAsAction(menuItem, MenuItem.SHOW_AS_ACTION_NEVER);
menuItem = menu.add(Menu.NONE, R.id.menu_formats, 0, R.string.formats);
MenuItemCompat.setShowAsAction(menuItem, MenuItem.SHOW_AS_ACTION_NEVER);
menuItem = menu.add(Menu.NONE, R.id.menu_camera_selector, 0, R.string.select_camera);
MenuItemCompat.setShowAsAction(menuItem, MenuItem.SHOW_AS_ACTION_NEVER);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle presses on the action bar items
switch (item.getItemId()) {
case R.id.menu_flash:
mFlash = !mFlash;
if(mFlash) {
item.setTitle(R.string.flash_on);
} else {
item.setTitle(R.string.flash_off);
}
mScannerView.setFlash(mFlash);
return true;
case R.id.menu_auto_focus:
mAutoFocus = !mAutoFocus;
if(mAutoFocus) {
item.setTitle(R.string.auto_focus_on);
} else {
item.setTitle(R.string.auto_focus_off);
}
mScannerView.setAutoFocus(mAutoFocus);
return true;
case R.id.menu_formats:
DialogFragment fragment = FormatSelectorDialogFragment.newInstance(this, mSelectedIndices);
fragment.show(getSupportFragmentManager(), "format_selector");
return true;
case R.id.menu_camera_selector:
mScannerView.stopCamera();
DialogFragment cFragment = CameraSelectorDialogFragment.newInstance(this, mCameraId);
cFragment.show(getSupportFragmentManager(), "camera_selector");
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void handleResult(Result rawResult) {
try {
Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
Ringtone r = RingtoneManager.getRingtone(getApplicationContext(), notification);
r.play();
} catch (Exception e) {}
showMessageDialog("Contents = " + rawResult.getContents() + ", Format = " + rawResult.getBarcodeFormat().getName());
}
public void showMessageDialog(String message) {
DialogFragment fragment = MessageDialogFragment.newInstance("Scan Results", message, this);
fragment.show(getSupportFragmentManager(), "scan_results");
}
public void closeMessageDialog() {
closeDialog("scan_results");
}
public void closeFormatsDialog() {
closeDialog("format_selector");
}
public void closeDialog(String dialogName) {
FragmentManager fragmentManager = getSupportFragmentManager();
DialogFragment fragment = (DialogFragment) fragmentManager.findFragmentByTag(dialogName);
if(fragment != null) {
fragment.dismiss();
}
}
@Override
public void onDialogPositiveClick(DialogFragment dialog) {
// Resume the camera
mScannerView.resumeCameraPreview(this);
}
@Override
public void onFormatsSaved(ArrayList<Integer> selectedIndices) {
mSelectedIndices = selectedIndices;
setupFormats();
}
@Override
public void onCameraSelected(int cameraId) {
mCameraId = cameraId;
mScannerView.startCamera(mCameraId);
mScannerView.setFlash(mFlash);
mScannerView.setAutoFocus(mAutoFocus);
}
public void setupFormats() {
List<BarcodeFormat> formats = new ArrayList<BarcodeFormat>();
if(mSelectedIndices == null || mSelectedIndices.isEmpty()) {
mSelectedIndices = new ArrayList<Integer>();
for(int i = 0; i < BarcodeFormat.ALL_FORMATS.size(); i++) {
mSelectedIndices.add(i);
}
}
for(int index : mSelectedIndices) {
formats.add(BarcodeFormat.ALL_FORMATS.get(index));
}
if(mScannerView != null) {
mScannerView.setFormats(formats);
}
}
@Override
public void onPause() {
super.onPause();
mScannerView.stopCamera();
closeMessageDialog();
closeFormatsDialog();
}
}