android.app.Dialog#setOnCancelListener ( )源码实例Demo

public static boolean checkGooglePlayServicesAvailability(Activity activity) {
    GoogleApiAvailability api = GoogleApiAvailability.getInstance();
    int resultCode = api.isGooglePlayServicesAvailable(activity);
    if (resultCode != ConnectionResult.SUCCESS) {
        if (api.isUserResolvableError(resultCode)) {
            Dialog dialog = api.getErrorDialog(activity, resultCode, 1234);
            dialog.setCancelable(false);
            dialog.setOnCancelListener(dialogInterface -> activity.finish());
            dialog.show();
        } else {
            Toast.makeText(activity, "Device unsupported", Toast.LENGTH_LONG).show();
            activity.finish();
        }

        return false;
    }

    return true;
}
 

/**
 * A utility method to validate that the appropriate version of the Google Play Services is
 * available on the device. If not, it will open a dialog to address the issue. The dialog
 * displays a localized message about the error and upon user confirmation (by tapping on
 * dialog) will direct them to the Play Store if Google Play services is out of date or missing,
 * or to system settings if Google Play services is disabled on the device.
 *
 * @param activity
 * @return
 */
public static boolean checkGooglePlayServices(final Activity activity) {
    final int googlePlayServicesCheck = GooglePlayServicesUtil.isGooglePlayServicesAvailable(
            activity);
    switch (googlePlayServicesCheck) {
        case ConnectionResult.SUCCESS:
            return true;
        default:
            Dialog dialog = GooglePlayServicesUtil.getErrorDialog(googlePlayServicesCheck,
                    activity, 0);
            dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
                @Override
                public void onCancel(DialogInterface dialogInterface) {
                    activity.finish();
                }
            });
            dialog.show();
    }
    return false;
}
 

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState)
{
    Dialog result = super.onCreateDialog(savedInstanceState);
    result.requestWindowFeature(Window.FEATURE_NO_TITLE);
    result.setOnCancelListener(this);
    if (Build.VERSION.SDK_INT >= 21)
    {
        // set a background with round corners
        result.getWindow().setBackgroundDrawable(ContextCompat.getDrawable(getContext(), R.drawable.dmfs_colorpicker_dialog_background));
        // ensure we still have the right drop shadow in place
        ViewCompat.setElevation(result.getWindow().getDecorView(), 24);
    }
    // else: on ancient devices we'll just continue using default square corners
    return result;
}
 

/**
 * A utility method to validate that the appropriate version of the Google Play Services is
 * available on the device. If not, it will open a dialog to address the issue. The dialog
 * displays a localized message about the error and upon user confirmation (by tapping on
 * dialog) will direct them to the Play Store if Google Play services is out of date or missing,
 * or to system settings if Google Play services is disabled on the device.
 */
public static boolean checkGooglePlayServices(final Activity activity) {
  final int googlePlayServicesCheck = GooglePlayServicesUtil.isGooglePlayServicesAvailable(activity);
  switch (googlePlayServicesCheck) {
    case ConnectionResult.SUCCESS:
      return true;
    default:
      Dialog dialog = GooglePlayServicesUtil.getErrorDialog(googlePlayServicesCheck, activity, 0);
      dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
        @Override
        public void onCancel(DialogInterface dialogInterface) {
          activity.finish();
        }
      });
      dialog.show();
  }
  return false;
}
 

/**
 * Constructor.
 *
 * @param loadingDialog loading dialog
 * @param ifShowDialog  Show loadingDialog if true else not.
 */
public LoadingDialogObserver(Dialog loadingDialog, boolean ifShowDialog) {
    this.loadingDialog = loadingDialog;
    this.ifShowDialog = ifShowDialog;
    if (loadingDialog != null)
        loadingDialog.setOnCancelListener(this);
}
 

/**
 * Constructor.
 *
 * @param loadingDialog loading dialog
 * @param ifShowDialog  Show loadingDialog if true else not.
 */
public LoadingDialogObserver(Dialog loadingDialog, boolean ifShowDialog) {
    this.loadingDialog = loadingDialog;
    this.ifShowDialog = ifShowDialog;
    if (loadingDialog != null)
        loadingDialog.setOnCancelListener(this);
}
 

/**
 * Constructor.
 *
 * @param loadingDialog loading dialog
 * @param ifShowDialog  Show loadingDialog if true else not.
 */
public LoadingDialogObserver(Dialog loadingDialog, boolean ifShowDialog) {
    this.loadingDialog = loadingDialog;
    this.ifShowDialog = ifShowDialog;
    if (loadingDialog != null)
        loadingDialog.setOnCancelListener(this);
}
 

/**
 * 
 * @Title showSheet
 * @param activity
 *            上下文环境
 * @param actionSheetConfig
 *            ActionSheet配置项
 * @param actionSheetItemSelected
 *            ActionSheet Item选中监听
 * @param cancelListener
 *            取消按钮的监听,无需监听可传null
 * @return Dialog 返回类型
 */
@SuppressLint("NewApi")
public Dialog show(final Activity activity,
		ActionSheetConfig actionSheetConfig,
		final OnActionSheetItemSelected actionSheetItemSelected,
		OnCancelListener cancelListener) {
	final Dialog dlg = new Dialog(activity, R.style.ActionSheet);
	LinearLayout layout = this.getLayout(activity, dlg, actionSheetConfig,
			actionSheetItemSelected);

	TextView mCancel = (TextView) layout.findViewById(R.id.cancel);

	mCancel.setOnClickListener(new OnClickListener() {

		@Override
		public void onClick(View v) {
			actionSheetItemSelected.onActionSheetItemSelected(activity, 0);
			dlg.dismiss();
		}
	});

	Window w = dlg.getWindow();
	WindowManager.LayoutParams lp = w.getAttributes();
	lp.x = 0;
	final int cMakeBottom = -1000;
	lp.y = cMakeBottom;
	lp.gravity = Gravity.BOTTOM;
	dlg.onWindowAttributesChanged(lp);
	dlg.setCanceledOnTouchOutside(false);
	if (cancelListener != null)
		dlg.setOnCancelListener(cancelListener);

	dlg.setContentView(layout);
	dlg.show();

	// 设置点击弹窗外部取消actionsheet
	dlg.setCanceledOnTouchOutside(true);

	return dlg;
}
 

/**
 * Check if device has the correct Google Play Services version.
 *
 * @param activity     Current activity.
 * @param availability New instance of GoogleApiAvailability.
 * @return True if there was a successful connection ot Google Play Services.
 */
public static boolean hasGooglePlayServices(@NonNull Activity activity, @NonNull GoogleApiAvailability availability) {
    final int result = availability.isGooglePlayServicesAvailable(activity);

    if (result == ConnectionResult.SUCCESS) {
        return true;
    } else {
        final Dialog dialog = availability.getErrorDialog(activity, result, 0);
        // Let user use the application
        dialog.setOnCancelListener(DialogInterface::cancel);
        dialog.show();
    }
    return false;
}
 

public SearchPrinterDialog(Activity activity, BTService service) {
  this.activity = activity;
  this.service = service;
  deviceItems = new HashMap<>();

  @SuppressLint("InflateParams")
  View view = LayoutInflater.from(activity).inflate(R.layout.serach_dialog_layout, null, false);

  insets = dpToPx(16);
  activity.registerReceiver(receiver, new IntentFilter(BluetoothDevice.ACTION_FOUND));
  activity.registerReceiver(receiver, new IntentFilter(BluetoothDevice.ACTION_CLASS_CHANGED));
  activity.registerReceiver(receiver, new IntentFilter(BluetoothDevice.ACTION_NAME_CHANGED));
  activity.registerReceiver(receiver, new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED));

  Set<BluetoothDevice> pairedDevices = service.getBondedDevices();

  availableDevicesContainer = (LinearLayout) view.findViewById(R.id.available_devices_container);
  progress = view.findViewById(R.id.search_devices_progress);
  if (pairedDevices.size() > 0) {
    fillPairedDevices(pairedDevices, (LinearLayout) view.findViewById(R.id.paired_devices_container));
  } else {
    view.findViewById(R.id.paired_devices).setVisibility(View.GONE);
  }

  service.startDiscovery();

  dialog = new Dialog(activity);
  dialog.setCancelable(true);
  dialog.setContentView(view);
  dialog.setTitle(R.string.pos_title_choose_printer);
  dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
    @Override
    public void onCancel(DialogInterface dialogInterface) {
      SearchPrinterDialog.this.onCancel();
    }
  });
  dialog.show();
}
 

public void show(@NonNull Activity activity, Bundle bundle, int reqCode, @Nullable VKError vkError) {
	mVkError = vkError;
	mBundle = bundle;
	mReqCode = reqCode;
	mView = View.inflate(activity, R.layout.vk_open_auth_dialog, null);

	mProgress = mView.findViewById(R.id.progress);
	mWebView = (WebView) mView.findViewById(R.id.copyUrl);

	final Dialog dialog = new Dialog(activity, R.style.VKAlertDialog);
	dialog.setContentView(mView);
	dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
		@Override
		public void onCancel(DialogInterface dialogInterface) {
			dialog.dismiss();
		}
	});
	dialog.setOnDismissListener(this);
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
		dialog.getWindow().setStatusBarColor(Color.TRANSPARENT);
	}

	mDialog = dialog;
	mDialog.show();

	loadPage();
}
 

private static void setDialogCloseHandler(final Dialog d, final Runnable callback, final boolean cancelOnly) {
    final DialogCloseHandler handler = new DialogCloseHandler(callback, cancelOnly);
    d.setOnCancelListener(handler);
    d.setOnDismissListener(handler);
}
 

/**
 * 
 * @Title showSheet
 * @Description TODO(这里用一句话描述这个方法的作用)
 * @param activity
 *            上下文环境
 * @param actionSheetConfig
 *            ActionSheet配置项
 * @param actionSheetItemSelected
 *            ActionSheet Item选中监听
 * @param cancelListener
 *            取消按钮的监听,无需监听可传null
 * @return Dialog 返回类型
 */
@SuppressLint("NewApi")
public Dialog show(final Activity activity,
		ActionSheetConfig actionSheetConfig,
		final OnActionSheetItemSelected actionSheetItemSelected,
		OnCancelListener cancelListener) {
	final Dialog dlg = new Dialog(activity, R.style.ActionSheet);
	LinearLayout layout = this.getLayout(activity, dlg, actionSheetConfig,
			actionSheetItemSelected);

	TextView mCancel = (TextView) layout.findViewById(R.id.cancel);

	mCancel.setOnClickListener(new OnClickListener() {

		@Override
		public void onClick(View v) {
			// TODO Auto-generated method stub
			actionSheetItemSelected.onActionSheetItemSelected(activity, 0);
			dlg.dismiss();
		}
	});

	Window w = dlg.getWindow();
	WindowManager.LayoutParams lp = w.getAttributes();
	lp.x = 0;
	final int cMakeBottom = -1000;
	lp.y = cMakeBottom;
	lp.gravity = Gravity.BOTTOM;
	dlg.onWindowAttributesChanged(lp);
	dlg.setCanceledOnTouchOutside(false);
	if (cancelListener != null)
		dlg.setOnCancelListener(cancelListener);

	dlg.setContentView(layout);
	dlg.show();

	// 设置点击弹窗外部取消actionsheet
	dlg.setCanceledOnTouchOutside(true);

	return dlg;
}
 

public static void setDialogCloseHandler(final Dialog d, final Runnable callback, final boolean cancelOnly) {
    final DialogCloseHandler handler = new DialogCloseHandler(callback, cancelOnly);
    d.setOnCancelListener(handler);
    d.setOnDismissListener(handler);
}