Java tutorial
package com.nickandjerry.dynamiclayoutinflator; import android.annotation.SuppressLint; import android.content.Context; import android.content.res.Resources; import android.graphics.Color; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.graphics.drawable.GradientDrawable; import android.graphics.drawable.StateListDrawable; import android.os.Build; import android.support.annotation.Nullable; import android.text.InputType; import android.text.TextUtils; import android.util.Log; import android.util.TypedValue; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView; import org.json.JSONArray; import org.json.JSONException; import org.w3c.dom.Document; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.util.HashMap; import java.util.Map; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; /** * Copyright Nicholas White 2015. * Source: https://github.com/nickwah/DynamicLayoutInflator * * Licensed under the MIT License: * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ public class DynamicLayoutInflator { private static final String ns = null; public static final int NO_LAYOUT_RULE = -999; public static final String[] CORNERS = { "TopLeft", "TopRight", "BottomRight", "BottomLeft" }; public static int highestIdNumberUsed = 1234567; public interface ViewParamRunnable { void apply(View view, String value, ViewGroup parent, Map<String, String> attrs); } public static Map<String, ViewParamRunnable> viewRunnables; public interface ImageLoader { void loadImage(ImageView view, String url); void loadRoundedImage(ImageView view, String url, int radius); } private static ImageLoader imageLoader = null; public static void setImageLoader(ImageLoader il) { imageLoader = il; } public static class DynamicLayoutInfo { public DynamicLayoutInfo() { nameToIdNumber = new HashMap<>(); } public HashMap<String, Integer> nameToIdNumber; public Object delegate; public GradientDrawable bgDrawable; } public static void setDelegate(View root, Object delegate) { DynamicLayoutInfo info; if (root.getTag() == null || !(root.getTag() instanceof DynamicLayoutInfo)) { info = new DynamicLayoutInfo(); root.setTag(info); } else { info = (DynamicLayoutInfo) root.getTag(); } info.delegate = delegate; } public static View inflateName(Context context, String name) { return inflateName(context, name, null); } public static View inflateName(Context context, String name, ViewGroup parent) { if (name.startsWith("<")) { // Assume it's XML return DynamicLayoutInflator.inflate(context, name, parent); } else { File savedFile = context.getFileStreamPath(name + ".xml"); try { InputStream fileStream = new FileInputStream(savedFile); return DynamicLayoutInflator.inflate(context, fileStream, parent); } catch (FileNotFoundException e) { } try { InputStream assetStream = context.getAssets().open(name + ".xml"); return DynamicLayoutInflator.inflate(context, assetStream, parent); } catch (IOException e) { } int id = context.getResources().getIdentifier(name, "layout", context.getPackageName()); if (id > 0) { LayoutInflater inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); return inflater.inflate(id, parent, false); } } return null; } public static View inflate(Context context, File xmlPath) { InputStream inputStream = null; try { inputStream = new FileInputStream(xmlPath); } catch (FileNotFoundException e) { e.printStackTrace(); return null; } return DynamicLayoutInflator.inflate(context, inputStream); } public static View inflate(Context context, String xml) { InputStream inputStream = new ByteArrayInputStream(xml.getBytes()); return DynamicLayoutInflator.inflate(context, inputStream); } public static View inflate(Context context, String xml, ViewGroup parent) { InputStream inputStream = new ByteArrayInputStream(xml.getBytes()); return DynamicLayoutInflator.inflate(context, inputStream, parent); } public static View inflate(Context context, InputStream inputStream) { return inflate(context, inputStream, null); } public static View inflate(Context context, InputStream inputStream, ViewGroup parent) { try { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); DocumentBuilder db = dbf.newDocumentBuilder(); Document document = db.parse(inputStream); try { return inflate(context, document.getDocumentElement(), parent); } finally { inputStream.close(); } } catch (IOException e) { e.printStackTrace(); } catch (ParserConfigurationException e) { e.printStackTrace(); } catch (SAXException e) { e.printStackTrace(); } return null; } public static View inflate(Context context, Node node) { return inflate(context, node, null); } public static View inflate(Context context, Node node, ViewGroup parent) { View mainView = getViewForName(context, node.getNodeName()); if (parent != null) parent.addView(mainView); // have to add to parent to enable certain layout attrs applyAttributes(mainView, getAttributesMap(node), parent); if (mainView instanceof ViewGroup && node.hasChildNodes()) { parseChildren(context, node, (ViewGroup) mainView); } return mainView; } private static void parseChildren(Context context, Node node, ViewGroup mainView) { NodeList nodeList = node.getChildNodes(); for (int i = 0; i < nodeList.getLength(); i++) { Node currentNode = nodeList.item(i); if (currentNode.getNodeType() != Node.ELEMENT_NODE) continue; inflate(context, currentNode, mainView); // this recursively can call parseChildren } } private static View getViewForName(Context context, String name) { try { if (!name.contains(".")) { name = "android.widget." + name; } Class<?> clazz = Class.forName(name); Constructor<?> constructor = clazz.getConstructor(Context.class); return (View) constructor.newInstance(context); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (NoSuchMethodException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } catch (InstantiationException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } return null; } private static HashMap<String, String> getAttributesMap(Node currentNode) { NamedNodeMap attributeMap = currentNode.getAttributes(); int attributeCount = attributeMap.getLength(); HashMap<String, String> attributes = new HashMap<>(attributeCount); for (int j = 0; j < attributeCount; j++) { Node attr = attributeMap.item(j); String nodeName = attr.getNodeName(); if (nodeName.startsWith("android:")) nodeName = nodeName.substring(8); attributes.put(nodeName, attr.getNodeValue()); } return attributes; } @SuppressLint("NewApi") private static void applyAttributes(View view, Map<String, String> attrs, ViewGroup parent) { if (viewRunnables == null) createViewRunnables(); ViewGroup.LayoutParams layoutParams = view.getLayoutParams(); int layoutRule; int marginLeft = 0, marginRight = 0, marginTop = 0, marginBottom = 0, paddingLeft = 0, paddingRight = 0, paddingTop = 0, paddingBottom = 0; boolean hasCornerRadius = false, hasCornerRadii = false; for (Map.Entry<String, String> entry : attrs.entrySet()) { String attr = entry.getKey(); if (viewRunnables.containsKey(attr)) { viewRunnables.get(attr).apply(view, entry.getValue(), parent, attrs); continue; } if (attr.startsWith("cornerRadius")) { hasCornerRadius = true; hasCornerRadii = !attr.equals("cornerRadius"); continue; } layoutRule = NO_LAYOUT_RULE; boolean layoutTarget = false; switch (attr) { case "id": String idValue = parseId(entry.getValue()); if (parent != null) { DynamicLayoutInfo info = getDynamicLayoutInfo(parent); int newId = highestIdNumberUsed++; view.setId(newId); info.nameToIdNumber.put(idValue, newId); } break; case "width": case "layout_width": switch (entry.getValue()) { case "wrap_content": layoutParams.width = ViewGroup.LayoutParams.WRAP_CONTENT; break; case "fill_parent": case "match_parent": layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT; break; default: layoutParams.width = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics(), parent, true); break; } break; case "height": case "layout_height": switch (entry.getValue()) { case "wrap_content": layoutParams.height = ViewGroup.LayoutParams.WRAP_CONTENT; break; case "fill_parent": case "match_parent": layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT; break; default: layoutParams.height = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics(), parent, false); break; } break; case "layout_gravity": if (parent != null && parent instanceof LinearLayout) { ((LinearLayout.LayoutParams) layoutParams).gravity = parseGravity(entry.getValue()); } else if (parent != null && parent instanceof FrameLayout) { ((FrameLayout.LayoutParams) layoutParams).gravity = parseGravity(entry.getValue()); } break; case "layout_weight": if (parent != null && parent instanceof LinearLayout) { ((LinearLayout.LayoutParams) layoutParams).weight = Float.parseFloat(entry.getValue()); } break; case "layout_below": layoutRule = RelativeLayout.BELOW; layoutTarget = true; break; case "layout_above": layoutRule = RelativeLayout.ABOVE; layoutTarget = true; break; case "layout_toLeftOf": layoutRule = RelativeLayout.LEFT_OF; layoutTarget = true; break; case "layout_toRightOf": layoutRule = RelativeLayout.RIGHT_OF; layoutTarget = true; break; case "layout_alignBottom": layoutRule = RelativeLayout.ALIGN_BOTTOM; layoutTarget = true; break; case "layout_alignTop": layoutRule = RelativeLayout.ALIGN_TOP; layoutTarget = true; break; case "layout_alignLeft": case "layout_alignStart": layoutRule = RelativeLayout.ALIGN_LEFT; layoutTarget = true; break; case "layout_alignRight": case "layout_alignEnd": layoutRule = RelativeLayout.ALIGN_RIGHT; layoutTarget = true; break; case "layout_alignParentBottom": layoutRule = RelativeLayout.ALIGN_PARENT_BOTTOM; break; case "layout_alignParentTop": layoutRule = RelativeLayout.ALIGN_PARENT_TOP; break; case "layout_alignParentLeft": case "layout_alignParentStart": layoutRule = RelativeLayout.ALIGN_PARENT_LEFT; break; case "layout_alignParentRight": case "layout_alignParentEnd": layoutRule = RelativeLayout.ALIGN_PARENT_RIGHT; break; case "layout_centerHorizontal": layoutRule = RelativeLayout.CENTER_HORIZONTAL; break; case "layout_centerVertical": layoutRule = RelativeLayout.CENTER_VERTICAL; break; case "layout_centerInParent": layoutRule = RelativeLayout.CENTER_IN_PARENT; break; case "layout_margin": marginLeft = marginRight = marginTop = marginBottom = DimensionConverter .stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics()); break; case "layout_marginLeft": marginLeft = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics(), parent, true); break; case "layout_marginTop": marginTop = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics(), parent, false); break; case "layout_marginRight": marginRight = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics(), parent, true); break; case "layout_marginBottom": marginBottom = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics(), parent, false); break; case "padding": paddingBottom = paddingLeft = paddingRight = paddingTop = DimensionConverter .stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics()); break; case "paddingLeft": paddingLeft = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics()); break; case "paddingTop": paddingTop = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics()); break; case "paddingRight": paddingRight = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics()); break; case "paddingBottom": paddingBottom = DimensionConverter.stringToDimensionPixelSize(entry.getValue(), view.getResources().getDisplayMetrics()); break; } if (layoutRule != NO_LAYOUT_RULE && parent instanceof RelativeLayout) { if (layoutTarget) { int anchor = idNumFromIdString(parent, parseId(entry.getValue())); ((RelativeLayout.LayoutParams) layoutParams).addRule(layoutRule, anchor); } else if (entry.getValue().equals("true")) { ((RelativeLayout.LayoutParams) layoutParams).addRule(layoutRule); } } } // TODO: this is a giant mess; come up with a simpler way of deciding what to draw for the background if (attrs.containsKey("background") || attrs.containsKey("borderColor")) { String bgValue = attrs.containsKey("background") ? attrs.get("background") : null; if (bgValue != null && bgValue.startsWith("@drawable/")) { view.setBackground(getDrawableByName(view, bgValue)); } else if (bgValue == null || bgValue.startsWith("#") || bgValue.startsWith("@color")) { if (view instanceof Button || attrs.containsKey("pressedColor")) { int bgColor = parseColor(view, bgValue == null ? "#00000000" : bgValue); int pressedColor; if (attrs.containsKey("pressedColor")) { pressedColor = parseColor(view, attrs.get("pressedColor")); } else { pressedColor = adjustBrightness(bgColor, 0.9f); } GradientDrawable gd = new GradientDrawable(); gd.setColor(bgColor); GradientDrawable pressedGd = new GradientDrawable(); pressedGd.setColor(pressedColor); if (hasCornerRadii) { float radii[] = new float[8]; for (int i = 0; i < CORNERS.length; i++) { String corner = CORNERS[i]; if (attrs.containsKey("cornerRadius" + corner)) { radii[i * 2] = radii[i * 2 + 1] = DimensionConverter.stringToDimension( attrs.get("cornerRadius" + corner), view.getResources().getDisplayMetrics()); } gd.setCornerRadii(radii); pressedGd.setCornerRadii(radii); } } else if (hasCornerRadius) { float cornerRadius = DimensionConverter.stringToDimension(attrs.get("cornerRadius"), view.getResources().getDisplayMetrics()); gd.setCornerRadius(cornerRadius); pressedGd.setCornerRadius(cornerRadius); } if (attrs.containsKey("borderColor")) { String borderWidth = "1dp"; if (attrs.containsKey("borderWidth")) { borderWidth = attrs.get("borderWidth"); } int borderWidthPx = DimensionConverter.stringToDimensionPixelSize(borderWidth, view.getResources().getDisplayMetrics()); gd.setStroke(borderWidthPx, parseColor(view, attrs.get("borderColor"))); pressedGd.setStroke(borderWidthPx, parseColor(view, attrs.get("borderColor"))); } StateListDrawable selector = new StateListDrawable(); selector.addState(new int[] { android.R.attr.state_pressed }, pressedGd); selector.addState(new int[] {}, gd); view.setBackground(selector); getDynamicLayoutInfo(view).bgDrawable = gd; } else if (hasCornerRadius || attrs.containsKey("borderColor")) { GradientDrawable gd = new GradientDrawable(); int bgColor = parseColor(view, bgValue == null ? "#00000000" : bgValue); gd.setColor(bgColor); if (hasCornerRadii) { float radii[] = new float[8]; for (int i = 0; i < CORNERS.length; i++) { String corner = CORNERS[i]; if (attrs.containsKey("cornerRadius" + corner)) { radii[i * 2] = radii[i * 2 + 1] = DimensionConverter.stringToDimension( attrs.get("cornerRadius" + corner), view.getResources().getDisplayMetrics()); } gd.setCornerRadii(radii); } } else if (hasCornerRadius) { float cornerRadius = DimensionConverter.stringToDimension(attrs.get("cornerRadius"), view.getResources().getDisplayMetrics()); gd.setCornerRadius(cornerRadius); } if (attrs.containsKey("borderColor")) { String borderWidth = "1dp"; if (attrs.containsKey("borderWidth")) { borderWidth = attrs.get("borderWidth"); } gd.setStroke( DimensionConverter.stringToDimensionPixelSize(borderWidth, view.getResources().getDisplayMetrics()), parseColor(view, attrs.get("borderColor"))); } view.setBackground(gd); getDynamicLayoutInfo(view).bgDrawable = gd; } else { view.setBackgroundColor(parseColor(view, bgValue)); } } } if (layoutParams instanceof ViewGroup.MarginLayoutParams) { ((ViewGroup.MarginLayoutParams) layoutParams).setMargins(marginLeft, marginTop, marginRight, marginBottom); } view.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom); view.setLayoutParams(layoutParams); } private static DynamicLayoutInfo getDynamicLayoutInfo(View parent) { DynamicLayoutInfo info; if (parent.getTag() != null && parent.getTag() instanceof DynamicLayoutInfo) { info = (DynamicLayoutInfo) parent.getTag(); } else { info = new DynamicLayoutInfo(); parent.setTag(info); } return info; } private static View.OnClickListener getClickListener(final ViewGroup myParent, final String methodName) { return new View.OnClickListener() { @Override public void onClick(View view) { ViewGroup root = myParent; DynamicLayoutInfo info = null; while (root != null && (root.getParent() instanceof ViewGroup)) { if (root.getTag() != null && root.getTag() instanceof DynamicLayoutInfo) { info = (DynamicLayoutInfo) root.getTag(); if (info.delegate != null) break; } root = (ViewGroup) root.getParent(); } if (info != null && info.delegate != null) { final Object delegate = info.delegate; invokeMethod(delegate, methodName, false, view); } else { Log.e("DynamicLayoutInflator", "Unable to find valid delegate for click named " + methodName); } } private void invokeMethod(Object delegate, final String methodName, boolean withView, View view) { Object[] args = null; String finalMethod = methodName; if (methodName.endsWith(")")) { String[] parts = methodName.split("[(]", 2); finalMethod = parts[0]; try { String argText = parts[1].replace(""", "\""); JSONArray arr = new JSONArray("[" + argText.substring(0, argText.length() - 1) + "]"); args = new Object[arr.length()]; for (int i = 0; i < arr.length(); i++) { args[i] = arr.get(i); } } catch (JSONException e) { e.printStackTrace(); } } else if (withView) { args = new Object[1]; args[0] = view; } Class<?> klass = delegate.getClass(); try { Class<?>[] argClasses = null; if (args != null && args.length > 0) { argClasses = new Class[args.length]; if (withView) { argClasses[0] = View.class; } else { for (int i = 0; i < args.length; i++) { Class<?> argClass = args[i].getClass(); if (argClass == Integer.class) argClass = int.class; // Nobody uses Integer... argClasses[i] = argClass; } } } Method method = klass.getMethod(finalMethod, argClasses); method.invoke(delegate, args); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } catch (NoSuchMethodException e) { e.printStackTrace(); if (!withView && !methodName.endsWith(")")) { invokeMethod(delegate, methodName, true, view); } } } }; } private static String parseId(String value) { if (value.startsWith("@+id/")) { return value.substring(5); } else if (value.startsWith("@id/")) { return value.substring(4); } return value; } private static int parseGravity(String value) { int gravity = Gravity.NO_GRAVITY; String[] parts = value.toLowerCase().split("[|]"); for (String part : parts) { switch (part) { case "center": gravity = gravity | Gravity.CENTER; break; case "left": case "textStart": gravity = gravity | Gravity.LEFT; break; case "right": case "textEnd": gravity = gravity | Gravity.RIGHT; break; case "top": gravity = gravity | Gravity.TOP; break; case "bottom": gravity = gravity | Gravity.BOTTOM; break; case "center_horizontal": gravity = gravity | Gravity.CENTER_HORIZONTAL; break; case "center_vertical": gravity = gravity | Gravity.CENTER_VERTICAL; break; } } return gravity; } public static int idNumFromIdString(View view, String id) { if (!(view instanceof ViewGroup)) return 0; Object tag = view.getTag(); if (!(tag instanceof DynamicLayoutInfo)) return 0; // not inflated by this class DynamicLayoutInfo info = (DynamicLayoutInfo) view.getTag(); if (!info.nameToIdNumber.containsKey(id)) { ViewGroup grp = (ViewGroup) view; for (int i = 0; i < grp.getChildCount(); i++) { int val = idNumFromIdString(grp.getChildAt(i), id); if (val != 0) return val; } return 0; } return info.nameToIdNumber.get(id); } @Nullable public static View findViewByIdString(View view, String id) { int idNum = idNumFromIdString(view, id); if (idNum == 0) return null; return view.findViewById(idNum); } public static int parseColor(View view, String text) { if (text.startsWith("@color/")) { Resources resources = view.getResources(); return resources.getColor(resources.getIdentifier(text.substring("@color/".length()), "color", view.getContext().getPackageName())); } if (text.length() == 4 && text.startsWith("#")) { text = "#" + text.charAt(1) + text.charAt(1) + text.charAt(2) + text.charAt(2) + text.charAt(3) + text.charAt(3); } return Color.parseColor(text); } public static int adjustBrightness(int color, float amount) { int red = color & 0xFF0000 >> 16; int green = color & 0x00FF00 >> 8; int blue = color & 0x0000FF; int result = (int) (blue * amount); result += (int) (green * amount) << 8; result += (int) (red * amount) << 16; return result; } public static Drawable getDrawableByName(View view, String name) { Resources resources = view.getResources(); return resources.getDrawable(resources.getIdentifier(name, "drawable", view.getContext().getPackageName())); } public static void createViewRunnables() { viewRunnables = new HashMap<>(30); viewRunnables.put("scaleType", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof ImageView) { ImageView.ScaleType scaleType = ((ImageView) view).getScaleType(); switch (value.toLowerCase()) { case "center": scaleType = ImageView.ScaleType.CENTER; break; case "center_crop": scaleType = ImageView.ScaleType.CENTER_CROP; break; case "center_inside": scaleType = ImageView.ScaleType.CENTER_INSIDE; break; case "fit_center": scaleType = ImageView.ScaleType.FIT_CENTER; break; case "fit_end": scaleType = ImageView.ScaleType.FIT_END; break; case "fit_start": scaleType = ImageView.ScaleType.FIT_START; break; case "fit_xy": scaleType = ImageView.ScaleType.FIT_XY; break; case "matrix": scaleType = ImageView.ScaleType.MATRIX; break; } ((ImageView) view).setScaleType(scaleType); } } }); viewRunnables.put("orientation", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof LinearLayout) { ((LinearLayout) view).setOrientation( value.equals("vertical") ? LinearLayout.VERTICAL : LinearLayout.HORIZONTAL); } } }); viewRunnables.put("text", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { ((TextView) view).setText(value); } } }); viewRunnables.put("textSize", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { ((TextView) view).setTextSize(TypedValue.COMPLEX_UNIT_PX, DimensionConverter.stringToDimension(value, view.getResources().getDisplayMetrics())); } } }); viewRunnables.put("textColor", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { ((TextView) view).setTextColor(parseColor(view, value)); } } }); viewRunnables.put("textStyle", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { int typeFace = Typeface.NORMAL; if (value.contains("bold")) typeFace |= Typeface.BOLD; else if (value.contains("italic")) typeFace |= Typeface.ITALIC; ((TextView) view).setTypeface(null, typeFace); } } }); viewRunnables.put("textAlignment", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) { int alignment = View.TEXT_ALIGNMENT_TEXT_START; switch (value) { case "center": alignment = View.TEXT_ALIGNMENT_CENTER; break; case "left": case "textStart": break; case "right": case "textEnd": alignment = View.TEXT_ALIGNMENT_TEXT_END; break; } view.setTextAlignment(alignment); } else { int gravity = Gravity.LEFT; switch (value) { case "center": gravity = Gravity.CENTER; break; case "left": case "textStart": break; case "right": case "textEnd": gravity = Gravity.RIGHT; break; } ((TextView) view).setGravity(gravity); } } }); viewRunnables.put("ellipsize", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { TextUtils.TruncateAt where = TextUtils.TruncateAt.END; switch (value) { case "start": where = TextUtils.TruncateAt.START; break; case "middle": where = TextUtils.TruncateAt.MIDDLE; break; case "marquee": where = TextUtils.TruncateAt.MARQUEE; break; case "end": break; } ((TextView) view).setEllipsize(where); } } }); viewRunnables.put("singleLine", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { ((TextView) view).setSingleLine(); } } }); viewRunnables.put("hint", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof EditText) { ((EditText) view).setHint(value); } } }); viewRunnables.put("inputType", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof TextView) { int inputType = 0; switch (value) { case "textEmailAddress": inputType |= InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS; break; case "number": inputType |= InputType.TYPE_CLASS_NUMBER; break; case "phone": inputType |= InputType.TYPE_CLASS_PHONE; break; } if (inputType > 0) ((TextView) view).setInputType(inputType); } } }); viewRunnables.put("gravity", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { int gravity = parseGravity(value); if (view instanceof TextView) { ((TextView) view).setGravity(gravity); } else if (view instanceof LinearLayout) { ((LinearLayout) view).setGravity(gravity); } else if (view instanceof RelativeLayout) { ((RelativeLayout) view).setGravity(gravity); } } }); viewRunnables.put("src", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { if (view instanceof ImageView) { String imageName = value; if (imageName.startsWith("//")) imageName = "http:" + imageName; if (imageName.startsWith("http")) { if (imageLoader != null) { if (attrs.containsKey("cornerRadius")) { int radius = DimensionConverter.stringToDimensionPixelSize( attrs.get("cornerRadius"), view.getResources().getDisplayMetrics()); imageLoader.loadRoundedImage((ImageView) view, imageName, radius); } else { imageLoader.loadImage((ImageView) view, imageName); } } } else if (imageName.startsWith("@drawable/")) { imageName = imageName.substring("@drawable/".length()); ((ImageView) view).setImageDrawable(getDrawableByName(view, imageName)); } } } }); viewRunnables.put("visibility", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { int visibility = View.VISIBLE; String visValue = value.toLowerCase(); if (visValue.equals("gone")) visibility = View.GONE; else if (visValue.equals("invisible")) visibility = View.INVISIBLE; view.setVisibility(visibility); } }); viewRunnables.put("clickable", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { view.setClickable(value.equals("true")); } }); viewRunnables.put("tag", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { // Sigh, this is dangerous because we use tags for other purposes if (view.getTag() == null) view.setTag(value); } }); viewRunnables.put("onClick", new ViewParamRunnable() { @Override public void apply(View view, String value, ViewGroup parent, Map<String, String> attrs) { view.setOnClickListener(getClickListener(parent, value)); } }); } }