本文整理汇总了TypeScript中utils/utils.layout类的典型用法代码示例。如果您正苦于以下问题：TypeScript layout类的具体用法？TypeScript layout怎么用？TypeScript layout使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了layout类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: onMeasure
onMeasure(widthMeasureSpec, heightMeasureSpec) {
let utils = require("utils/utils"),
width = utils.layout.getMeasureSpecSize(widthMeasureSpec),
widthMode = utils.layout.getMeasureSpecMode(widthMeasureSpec),
height = utils.layout.getMeasureSpecSize(heightMeasureSpec),
heightMode = utils.layout.getMeasureSpecMode(heightMeasureSpec),
nativeWidth = this.nativeView ? (this.nativeView.image ? this.nativeView.image.size.width : 0) : 0,
nativeHeight = this.nativeView ? (this.nativeView.image ? this.nativeView.image.size.height : 0) : 0,
measureWidth = Math.max(nativeWidth, this.minWidth as number),
measureHeight = Math.max(nativeHeight, this.minHeight as number),
finiteWidth = widthMode !== utils.layout.UNSPECIFIED,
finiteHeight = heightMode !== utils.layout.UNSPECIFIED;
if (nativeWidth !== 0 && nativeHeight !== 0 && (finiteWidth || finiteHeight)) {
let scale = this.computeScaleFactor(width, height, finiteWidth, finiteHeight, nativeWidth, nativeHeight, this.stretch),
resultW = Math.floor(nativeWidth * scale.width),
resultH = Math.floor(nativeHeight * scale.height);
measureWidth = finiteWidth ? Math.min(resultW, width) : resultW;
measureHeight = finiteHeight ? Math.min(resultH, height) : resultH;
let trace = require("trace");
trace.write("Image stretch: " + this.stretch +
", nativeWidth: " + nativeWidth +
", nativeHeight: " + nativeHeight, trace.categories.Layout);
}
let view = require("ui/core/view");
let widthAndState = view.View.resolveSizeAndState(measureWidth, width, widthMode, 0);
let heightAndState = view.View.resolveSizeAndState(measureHeight, height, heightMode, 0);
this.setMeasuredDimension(widthAndState, heightAndState);
}示例2: onMeasure
// This method won't be called in Android because we use the native android layout.
public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
var result = view.View.measureChild(this, this.layoutView, widthMeasureSpec, heightMeasureSpec);
var width = utils.layout.getMeasureSpecSize(widthMeasureSpec);
var widthMode = utils.layout.getMeasureSpecMode(widthMeasureSpec);
var height = utils.layout.getMeasureSpecSize(heightMeasureSpec);
var heightMode = utils.layout.getMeasureSpecMode(heightMeasureSpec);
var density = utils.layout.getDisplayDensity();
var measureWidth = Math.max(result.measuredWidth, this.minWidth * density);
var measureHeight = Math.max(result.measuredHeight, this.minHeight * density);
var widthAndState = view.View.resolveSizeAndState(measureWidth, width, widthMode, 0);
var heightAndState = view.View.resolveSizeAndState(measureHeight, height, heightMode, 0);
this.setMeasuredDimension(widthAndState, heightAndState);
}示例3: pageLoaded
export function pageLoaded(args) {
const page = args.object;
item = page.getViewById("item");
statusLbl = page.getViewById("status");
density = utils.layout.getDisplayDensity();
item.translateX = 0;
item.translateY = 0;
item.scaleX = 1;
item.scaleY = 1;
updateStatus();
}示例4: Promise
return new Promise((resolve, reject) => {
try {
var types: typeof typesModule = require("utils/types");
var utils: typeof utilsModule = require("utils/utils");
var density = utils.layout.getDisplayDensity();
if (options) {
var reqWidth = options.width ? options.width * density : 0;
var reqHeight = options.height ? options.height * density : reqWidth;
var shouldKeepAspectRatio = types.isNullOrUndefined(options.keepAspectRatio) ? true : options.keepAspectRatio;
}
var takePictureIntent = new android.content.Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
var dateStamp = createDateTimeStamp();
var fileSystem: typeof fileSystemModule = require("file-system");
var tempPicturePath = fileSystem.path.join(utils.ad.getApplicationContext().getExternalFilesDir(null).getAbsolutePath(), "cameraPicture_" + dateStamp + ".jpg");
var nativeFile = new java.io.File(tempPicturePath);
var tempPictureUri = android.net.Uri.fromFile(nativeFile);
takePictureIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, tempPictureUri);
if (takePictureIntent.resolveActivity(utils.ad.getApplicationContext().getPackageManager()) != null) {
var appModule: typeof applicationModule = require("application");
var previousResult = appModule.android.onActivityResult;
appModule.android.onActivityResult = (requestCode: number, resultCode: number, data: android.content.Intent) => {
appModule.android.onActivityResult = previousResult;
if (requestCode === REQUEST_IMAGE_CAPTURE && resultCode === android.app.Activity.RESULT_OK) {
var options = new android.graphics.BitmapFactory.Options();
options.inJustDecodeBounds = true;
android.graphics.BitmapFactory.decodeFile(tempPicturePath, options);
var sampleSize = calculateInSampleSize(options.outWidth, options.outHeight, reqWidth, reqHeight);
var finalBitmapOptions = new android.graphics.BitmapFactory.Options();
finalBitmapOptions.inSampleSize = sampleSize;
var bitmap = android.graphics.BitmapFactory.decodeFile(tempPicturePath, finalBitmapOptions);
var scaledSizeImage = null;
if (reqHeight > 0 && reqWidth > 0) {
if (shouldKeepAspectRatio) {
var common: typeof cameraCommonModule = require("./camera-common");
var aspectSafeSize = common.getAspectSafeDimensions(bitmap.getWidth(), bitmap.getHeight(), reqWidth, reqHeight);
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, aspectSafeSize.width, aspectSafeSize.height, true);
}
else {
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, reqWidth, reqHeight, true);
}
}
else {
scaledSizeImage = bitmap;
}
var imageSource: typeof imageSourceModule = require("image-source");
resolve(imageSource.fromNativeSource(scaledSizeImage));
}
};
appModule.android.foregroundActivity.startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
}
} catch (e) {
if (reject) {
reject(e);
}
}
});示例5: Promise
return new Promise((resolve, reject) => {
try {
let types: typeof typesModule = require("utils/types");
let utils: typeof utilsModule = require("utils/utils");
let saveToGallery;
let reqWidth;
let reqHeight;
let shouldKeepAspectRatio;
let density = utils.layout.getDisplayDensity();
if (options) {
saveToGallery = options.saveToGallery ? true : false;
reqWidth = options.width ? options.width * density : 0;
reqHeight = options.height ? options.height * density : reqWidth;
shouldKeepAspectRatio = types.isNullOrUndefined(options.keepAspectRatio) ? true : options.keepAspectRatio;
}
let takePictureIntent = new android.content.Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
let dateStamp = createDateTimeStamp();
let picturePath: string;
let nativeFile;
let tempPictureUri;
if (saveToGallery) {
picturePath = android.os.Environment.getExternalStoragePublicDirectory(
android.os.Environment.DIRECTORY_PICTURES).getAbsolutePath() + "/" + "cameraPicture_" + dateStamp + ".jpg";
nativeFile = new java.io.File(picturePath);
tempPictureUri = android.net.Uri.fromFile(nativeFile);
takePictureIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, tempPictureUri);
} else {
picturePath = utils.ad.getApplicationContext().getExternalFilesDir(null).getAbsolutePath() + "/" + "cameraPicture_" + dateStamp + ".jpg";
nativeFile = new java.io.File(picturePath);
tempPictureUri = android.net.Uri.fromFile(nativeFile);
takePictureIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, tempPictureUri);
}
if (takePictureIntent.resolveActivity(utils.ad.getApplicationContext().getPackageManager()) != null) {
let appModule: typeof applicationModule = require("application");
let previousResult = appModule.android.onActivityResult;
appModule.android.onActivityResult = (requestCode: number, resultCode: number, data: android.content.Intent) => {
appModule.android.onActivityResult = previousResult;
if (requestCode === REQUEST_IMAGE_CAPTURE && resultCode === android.app.Activity.RESULT_OK) {
let imageSource: typeof imageSourceModule = require("image-source");
let options = new android.graphics.BitmapFactory.Options();
options.inJustDecodeBounds = true;
android.graphics.BitmapFactory.decodeFile(picturePath, options);
let sampleSize = calculateInSampleSize(options.outWidth, options.outHeight, reqWidth, reqHeight);
let finalBitmapOptions = new android.graphics.BitmapFactory.Options();
finalBitmapOptions.inSampleSize = sampleSize;
let bitmap = android.graphics.BitmapFactory.decodeFile(picturePath, finalBitmapOptions);
let scaledSizeImage = null;
if (reqHeight > 0 && reqWidth > 0) {
if (shouldKeepAspectRatio) {
let common: typeof cameraCommonModule = require("./camera-common");
let aspectSafeSize = common.getAspectSafeDimensions(bitmap.getWidth(), bitmap.getHeight(), reqWidth, reqHeight);
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, aspectSafeSize.width, aspectSafeSize.height, true);
}
else {
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, reqWidth, reqHeight, true);
}
}
else {
scaledSizeImage = bitmap;
}
let ei = new android.media.ExifInterface(picturePath);
let orientation = ei.getAttributeInt(android.media.ExifInterface.TAG_ORIENTATION, android.media.ExifInterface.ORIENTATION_NORMAL);
switch (orientation) {
case android.media.ExifInterface.ORIENTATION_ROTATE_90:
scaledSizeImage = rotateBitmap(scaledSizeImage, 90);
break;
case android.media.ExifInterface.ORIENTATION_ROTATE_180:
scaledSizeImage = rotateBitmap(scaledSizeImage, 180);
break;
case android.media.ExifInterface.ORIENTATION_ROTATE_270:
scaledSizeImage = rotateBitmap(scaledSizeImage, 270);
break;
}
resolve(imageSource.fromNativeSource(scaledSizeImage));
}
};
appModule.android.foregroundActivity.startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
}
} catch (e) {
if (reject) {
reject(e);
}
}
//.........这里部分代码省略.........