Java Size類代碼示例

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * 根據比例計算，獲取每列的實際寬度。
 * 三級聯動默認每列寬度為屏幕寬度的三分之一，兩級聯動默認每列寬度為屏幕寬度的一半。
 */
@Size(3)
protected int[] getColumnWidths(boolean onlyTwoColumn) {
    LogUtils.verbose(this, String.format(java.util.Locale.CHINA, "column weight is: %f-%f-%f"
            , firstColumnWeight, secondColumnWeight, thirdColumnWeight));
    int[] widths = new int[3];
    // fixed: 17-1-7 Equality tests should not be made with floating point values.
    if ((int) firstColumnWeight == 0 && (int) secondColumnWeight == 0
            && (int) thirdColumnWeight == 0) {
        if (onlyTwoColumn) {
            widths[0] = screenWidthPixels / 2;
            widths[1] = widths[0];
            widths[2] = 0;
        } else {
            widths[0] = screenWidthPixels / 3;
            widths[1] = widths[0];
            widths[2] = widths[0];
        }
    } else {
        widths[0] = (int) (screenWidthPixels * firstColumnWeight);
        widths[1] = (int) (screenWidthPixels * secondColumnWeight);
        widths[2] = (int) (screenWidthPixels * thirdColumnWeight);
    }
    return widths;
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Constructing a bitmap that contains the given bitmaps(max is three).
 *
 * For given two bitmaps the result will be a half and half bitmap.
 *
 * For given three the result will be a half of the first bitmap and the second
 * half will be shared equally by the two others.
 *
 * @param  bitmaps Array of bitmaps to use for the final image.
 * @param  width width of the final image, A positive number.
 * @param  height height of the final image, A positive number.
 *
 * @return A Bitmap containing the given images.
 * */
@Nullable public static Bitmap getMixImagesBitmap(@Size(min = 1) int width,@Size(min = 1) int height, @NonNull Bitmap...bitmaps){

    if (height == 0 || width == 0) return null;

    if (bitmaps.length == 0) return null;

    Bitmap finalImage = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(finalImage);

    Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);

    if (bitmaps.length == 2){
        canvas.drawBitmap(ThumbnailUtils.extractThumbnail(bitmaps[0], width/2, height), 0, 0, paint);
        canvas.drawBitmap(ThumbnailUtils.extractThumbnail(bitmaps[1], width/2, height), width/2, 0, paint);
    }
    else{
        canvas.drawBitmap(ThumbnailUtils.extractThumbnail(bitmaps[0], width/2, height), 0, 0, paint);
        canvas.drawBitmap(ThumbnailUtils.extractThumbnail(bitmaps[1], width/2, height/2), width/2, 0, paint);
        canvas.drawBitmap(ThumbnailUtils.extractThumbnail(bitmaps[2], width/2, height/2), width/2, height/2, paint);
    }

    return finalImage;
}
 

import android.support.annotation.Size; //導入依賴的package包/類
private CondomContext(final CondomCore condom, final @Nullable Context app_context, final @Nullable @Size(max=16) String tag) {
	super(condom.mBase);
	final Context base = condom.mBase;
	mCondom = condom;
	mApplicationContext = app_context != null ? app_context : this;
	mBaseContext = new Lazy<Context>() { @Override protected Context create() {
		return new PseudoContextImpl(CondomContext.this);
	}};
	mPackageManager = new Lazy<PackageManager>() { @Override protected PackageManager create() {
		return new CondomPackageManager(base.getPackageManager());
	}};
	mContentResolver = new Lazy<ContentResolver>() { @Override protected ContentResolver create() {
		return new CondomContentResolver(base, base.getContentResolver());
	}};
	final List<CondomKit> kits = condom.mKits;
	if (kits != null && ! kits.isEmpty()) {
		mKitManager = new KitManager();
		for (final CondomKit kit : kits)
			kit.onRegister(mKitManager);
	} else mKitManager = null;
	TAG = CondomCore.buildLogTag("Condom", "Condom.", tag);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Check if the calling context has a set of permissions.
 *
 * @param context     The calling context
 * @param permissions One or more permission.
 * @return True if all permissions are already granted, false if at least one permission is not
 * yet granted.
 * @see android.Manifest.permission
 */
public static boolean hasPermissions(@NonNull Context context,
                                     @NonNull @Size(min = 1) String... permissions) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
        return true;
    }

    final AppOpsManager appOpsManager = context.getSystemService(AppOpsManager.class);
    final String packageName = context.getPackageName();
    for (String permission : permissions) {
        if (ContextCompat.checkSelfPermission(context, permission)
                != PackageManager.PERMISSION_GRANTED) {
            return false;
        }
        String op = AppOpsManager.permissionToOp(permission);
        if (!TextUtils.isEmpty(op) && appOpsManager != null
                && appOpsManager.noteProxyOp(op, packageName) != AppOpsManager.MODE_ALLOWED) {
            return false;
        }
    }
    return true;
}
 

import android.support.annotation.Size; //導入依賴的package包/類
private static void requestPermissions(@NonNull BasePermissionInvoker invoker,
                                       @IntRange(from = 0) int requestCode,
                                       @Size(min = 1) @NonNull String[]... permissionSets) {
    final List<String> permissionList = new ArrayList<>();
    for (String[] permissionSet : permissionSets) {
        permissionList.addAll(Arrays.asList(permissionSet));
    }
    final String[] permissions = permissionList.toArray(new String[permissionList.size()]);
    if (hasPermissions(invoker.getContext(), permissions)) {
        notifyAlreadyHasPermissions(invoker, requestCode, permissions);
        return;
    }
    if (invoker.shouldShowRequestPermissionRationale(permissions)) {
        if (invokeShowRationaleMethod(false, invoker, requestCode, permissions)) {
            return;
        }
    }
    invoker.executeRequestPermissions(requestCode, permissions);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
public static void showDefaultRationaleDialog(
        @NonNull Context context, @NonNull final PermissionRequestExecutor executor,
        @IntRange(from = 0) final int code,
        @NonNull @Size(min = 1) final String... permissions) {
    new AlertDialog.Builder(context)
            .setTitle(R.string.hey_permission_request_title)
            .setMessage(R.string.hey_permission_request_message)
            .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    executor.executeRequestPermissions(code, permissions);
                }
            })
            .setCancelable(false)
            .show();
}
 

import android.support.annotation.Size; //導入依賴的package包/類
@Override
public void getTouchLocationOnScreen(MotionEvent event, @Size(2) int[] locationOut) {
    int pointerId = event.getPointerId(event.getActionIndex());
    int pointerIdx = event.findPointerIndex(pointerId);
    float offsetX =  event.getX(pointerIdx);
    float offsetY = event.getY(pointerIdx);

    // Get local screen coordinates.
    getLocationOnScreen(locationOut);

    // add the scaled offset.
    if (mWorkspaceView != null) {
        float scale = mWorkspaceView.getScaleX();
        offsetX = offsetX * scale;
        offsetY = offsetY * scale;
    }
    locationOut[0] += (int) offsetX;
    locationOut[1] += (int) offsetY;
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Checks whether {@code actionMove} is beyond the allowed slop (i.e., unintended) drag motion
 * distance.
 *
 * @param actionMove The {@link MotionEvent#ACTION_MOVE} event.
 * @return True if the motion is beyond the allowed slop threshold
 */
private boolean isBeyondSlopThreshold(MotionEvent actionMove) {
    BlockView touchedView = mPendingDrag.getTouchedBlockView();

    // Not dragging yet - compute distance from Down event and start dragging if far enough.
    @Size(2) int[] touchDownLocation = mTempScreenCoord1;
    mPendingDrag.getTouchDownScreen(touchDownLocation);

    @Size(2) int[] curScreenLocation = mTempScreenCoord2;
    touchedView.getTouchLocationOnScreen(actionMove, curScreenLocation);

    final int deltaX = touchDownLocation[0] - curScreenLocation[0];
    final int deltaY = touchDownLocation[1] - curScreenLocation[1];

    // Dragged far enough to start a drag?
    return (deltaX * deltaX + deltaY * deltaY > mTouchSlopSquared);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
IE_JwtToken(@org.intellij.lang.annotations.Pattern(TOKEN_VALIDATOR_MATCHER) @Size(min = 5) @NonNull String pEncodedToken) throws IllegalArgumentException {
    super();
    this._EncodedToken = pEncodedToken;

    if(! this._EncodedToken.matches(TOKEN_VALIDATOR_MATCHER)) {
        throw new IllegalArgumentException(String.format("Wrong token format. Token: %s does not match the regex %s", pEncodedToken, TOKEN_VALIDATOR_MATCHER));
    }
    JSONObject payloadJSON = null;
    try {
        Matcher matcher = TOKEN_PAYLOAD_MATCHER.matcher(pEncodedToken);
        if (matcher.find()) {
            payloadJSON = new JSONObject(
                    new String(Base64.decode(matcher.group(1), Base64.DEFAULT), "UTF-8"));
        }
    } catch (Exception ignored) { }

    if(payloadJSON != null) {
        long tmpUserID = payloadJSON.optLong("id", -1L);
        this._UserID = tmpUserID == -1L ? null : tmpUserID;
        //noinspection WrongConstant
        this._UserType = payloadJSON.optInt("type", USER_TYPE__ANONYMOUS);
    } else {
        this._UserID = null;
        this._UserType = USER_TYPE__ANONYMOUS;
    }
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Create an expression to check this column against several values.
 * <p>
 * SQL: this IN (values...)
 *
 * @param values The values to test against this column
 * @return Expression
 */
@NonNull
@CheckResult
public final Expr in(@NonNull @Size(min = 1) long... values) {
  final int length = values.length;
  if (length == 0) {
    throw new SQLException("Empty IN clause values");
  }
  final String[] args = new String[length];
  final StringBuilder sb = new StringBuilder(6 + (length << 1));
  sb.append(" IN (");
  for (int i = 0; i < length; i++) {
    if (i > 0) {
      sb.append(',');
    }
    sb.append('?');
    args[i] = Long.toString(values[i]);
  }
  sb.append(')');
  return new ExprN(this, sb.toString(), args);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Create an expression to check this column against several values.
 * <p>
 * SQL: this NOT IN (values...)
 *
 * @param values The values to test against this column
 * @return Expression
 */
@NonNull
@CheckResult
public final Expr notIn(@NonNull @Size(min = 1) long... values) {
  final int length = values.length;
  if (length == 0) {
    throw new SQLException("Empty IN clause values");
  }
  final String[] args = new String[length];
  final StringBuilder sb = new StringBuilder(10 + (length << 1));
  sb.append(" NOT IN (");
  for (int i = 0; i < length; i++) {
    if (i > 0) {
      sb.append(',');
    }
    sb.append('?');
    args[i] = Long.toString(values[i]);
  }
  sb.append(')');
  return new ExprN(this, sb.toString(), args);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Create join "USING" clause.
 * <p>
 * Each of the columns specified must exist in the datasets to both the left and right
 * of the join-operator. For each pair of columns, the expression "lhs.X = rhs.X"
 * is evaluated for each row of the cartesian product as a boolean expression.
 * Only rows for which all such expressions evaluates to true are included from the
 * result set. When comparing values as a result of a USING clause, the normal rules
 * for handling affinities, collation sequences and NULL values in comparisons apply.
 * The column from the dataset on the left-hand side of the join-operator is considered
 * to be on the left-hand side of the comparison operator (=) for the purposes of
 * collation sequence and affinity precedence.
 * <p>
 * For each pair of columns identified by a USING clause, the column from the
 * right-hand dataset is omitted from the joined dataset. This is the only difference
 * between a USING clause and its equivalent ON constraint.
 *
 * @param columns
 *     Columns to use in the USING clause
 * @return Join clause
 */
@NonNull
@CheckResult
public final JoinClause using(@NonNull @Size(min = 1) final Column... columns) {
  final int colLen = columns.length;
  final StringBuilder sb = new StringBuilder(8 + colLen * 12);
  sb.append("USING (");
  for (int i = 0; i < colLen; i++) {
    if (i > 0) {
      sb.append(',');
    }
    sb.append(columns[i].name);
  }
  sb.append(')');
  return new JoinClause(this, "", sb.toString()) {
    @Override
    boolean containsColumn(@NonNull Column<?, ?, ?, ?, ?> column) {
      for (int i = 0; i < colLen; i++) {
        if (columns[i].equals(column)) {
          return true;
        }
      }
      return false;
    }
  };
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Create an expression to check this column against several values.
 * <p>
 * SQL: this IN (values...)
 *
 * @param values The values to test against this column
 * @return Expression
 */
@NonNull
@CheckResult
public final Expr in(@NonNull @Size(min = 1) Collection<T> values) {
  final int length = values.size();
  if (length == 0) {
    throw new SQLException("Empty IN clause values");
  }
  final String[] args = new String[length];
  final StringBuilder sb = new StringBuilder(6 + (length << 1));
  sb.append(" IN (");
  final Iterator<T> iterator = values.iterator();
  for (int i = 0; i < length; i++) {
    if (i > 0) {
      sb.append(',');
    }
    sb.append('?');
    args[i] = toSqlArg(iterator.next());
  }
  sb.append(')');
  return new ExprN(this, sb.toString(), args);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
/**
 * Create an expression to check this column against several values.
 * <p>
 * SQL: this NOT IN (values...)
 *
 * @param values The values to test against this column
 * @return Expression
 */
@NonNull
@CheckResult
public final Expr notIn(@NonNull @Size(min = 1) Collection<T> values) {
  final int length = values.size();
  if (length == 0) {
    throw new SQLException("Empty IN clause values");
  }
  final String[] args = new String[length];
  final StringBuilder sb = new StringBuilder(10 + (length << 1));
  sb.append(" NOT IN (");
  final Iterator<T> iterator = values.iterator();
  for (int i = 0; i < length; i++) {
    if (i > 0) {
      sb.append(',');
    }
    sb.append('?');
    args[i] = toSqlArg(iterator.next());
  }
  sb.append(')');
  return new ExprN(this, sb.toString(), args);
}
 

import android.support.annotation.Size; //導入依賴的package包/類
@Size(value = 2)
private int[] getDimensions(int orientation, float videoWidth, float videoHeight) {
  final float aspectRatio = videoWidth / videoHeight;
  int width;
  int height;
  if (orientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
      || orientation == ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT) {
    width = getMeasuredWidth();
    height = (int) ((float) width / aspectRatio);
    if (height > getMeasuredHeight()) {
      height = getMeasuredHeight();
      width = (int) ((float) height * aspectRatio);
    }
  } else {
    height = getMeasuredHeight();
    width = (int) ((float) height * aspectRatio);
    if (width > getMeasuredWidth()) {
      width = getMeasuredWidth();
      height = (int) ((float) width / aspectRatio);
    }
  }
  return new int[] {width, height};
}