diff options
| -rw-r--r-- | res/layout-xlarge/button_bar.xml | 6 | ||||
| -rw-r--r-- | res/values/attrs.xml | 10 | ||||
| -rw-r--r-- | src/com/android/launcher2/StrokedTextView.java | 139 |
3 files changed, 154 insertions, 1 deletions
diff --git a/res/layout-xlarge/button_bar.xml b/res/layout-xlarge/button_bar.xml index 6cd8e8896..5c96c5ced 100644 --- a/res/layout-xlarge/button_bar.xml +++ b/res/layout-xlarge/button_bar.xml @@ -89,7 +89,7 @@ android:focusable="false" android:clickable="true" /> - <TextView + <com.android.launcher2.StrokedTextView android:id="@+id/all_apps_button" android:text="@string/all_apps_button_label" android:drawablePadding="@dimen/all_apps_button_drawable_padding" @@ -107,6 +107,10 @@ android:textColor="#CCFFFFFF" android:textSize="18sp" + launcher:strokeColor="#991e3157" + launcher:strokeTextColor="#DDFFFFFF" + launcher:strokeWidth="2.5" + android:shadowColor="#DA000000" android:shadowDx="0.0" android:shadowDy="0.0" diff --git a/res/values/attrs.xml b/res/values/attrs.xml index 5e6a2ab64..2be599955 100644 --- a/res/values/attrs.xml +++ b/res/values/attrs.xml @@ -61,6 +61,16 @@ </declare-styleable> + <!-- StrokedTextView specific attributes. --> + <declare-styleable name="StrokedTextView"> + <!-- The color of the stroke outline --> + <attr name="strokeColor" format="color" /> + <!-- The color of the text --> + <attr name="strokeTextColor" format="color" /> + <!-- The width of the stroke --> + <attr name="strokeWidth" format="float" /> + </declare-styleable> + <!-- PagedViewIcon specific attributes. These attributes are used to customize a PagedViewIcon view in XML files. --> <declare-styleable name="PagedViewIcon"> diff --git a/src/com/android/launcher2/StrokedTextView.java b/src/com/android/launcher2/StrokedTextView.java new file mode 100644 index 000000000..20f9f48a0 --- /dev/null +++ b/src/com/android/launcher2/StrokedTextView.java @@ -0,0 +1,139 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.launcher2; + +import android.content.Context; +import android.content.res.TypedArray; +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.PorterDuff; +import android.graphics.Rect; +import android.graphics.drawable.Drawable; +import android.util.AttributeSet; +import android.widget.TextView; + +import com.android.launcher.R; + +/** + * This class adds a stroke to the generic TextView allowing the text to stand out better against + * the background (ie. in the AllApps button). + */ +public class StrokedTextView extends TextView { + private final Canvas mCanvas = new Canvas(); + private final Paint mPaint = new Paint(); + private Bitmap mCache; + private boolean mUpdateCachedBitmap; + private int mStrokeColor; + private float mStrokeWidth; + private int mTextColor; + + public StrokedTextView(Context context) { + super(context); + init(context, null, 0); + } + + public StrokedTextView(Context context, AttributeSet attrs) { + super(context, attrs); + init(context, attrs, 0); + } + + public StrokedTextView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + init(context, attrs, defStyle); + } + + private void init(Context context, AttributeSet attrs, int defStyle) { + TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.StrokedTextView, + defStyle, 0); + mStrokeColor = a.getColor(R.styleable.StrokedTextView_strokeColor, 0xFF000000); + mStrokeWidth = a.getFloat(R.styleable.StrokedTextView_strokeWidth, 0.0f); + mTextColor = a.getColor(R.styleable.StrokedTextView_strokeTextColor, 0xFFFFFFFF); + a.recycle(); + mUpdateCachedBitmap = true; + + // Setup the text paint + mPaint.setAntiAlias(true); + mPaint.setStyle(Paint.Style.FILL_AND_STROKE); + } + + protected void onTextChanged(CharSequence text, int start, int before, int after) { + super.onTextChanged(text, start, before, after); + mUpdateCachedBitmap = true; + } + + protected void onSizeChanged(int w, int h, int oldw, int oldh) { + super.onSizeChanged(w, h, oldw, oldh); + if (w > 0 && h > 0) { + mUpdateCachedBitmap = true; + mCache = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); + } else { + mCache = null; + } + } + + protected void onDraw(Canvas canvas) { + if (mCache != null) { + if (mUpdateCachedBitmap) { + final int gap = getCompoundDrawablePadding(); + final int w = getMeasuredWidth(); + final int h = getMeasuredHeight(); + final String text = getText().toString(); + final Rect textBounds = new Rect(); + final Paint textPaint = getPaint(); + final int textWidth = (int) textPaint.measureText(text); + textPaint.getTextBounds("x", 0, 1, textBounds); + + // Clear the old cached image + mCanvas.setBitmap(mCache); + mCanvas.drawColor(0, PorterDuff.Mode.CLEAR); + + // Draw the drawable + final int drawableLeft = getPaddingLeft(); + final int drawableTop = getPaddingTop(); + final Drawable[] drawables = getCompoundDrawables(); + for (int i = 0; i < drawables.length; ++i) { + if (drawables[i] != null) { + drawables[i].setBounds(drawableLeft, drawableTop, + drawableLeft + drawables[i].getIntrinsicWidth(), + drawableTop + drawables[i].getIntrinsicHeight()); + drawables[i].draw(mCanvas); + } + } + + final int left = w - getPaddingRight() - textWidth; + final int bottom = (h + textBounds.height()) / 2; + + // Draw the outline of the text + mPaint.setStrokeWidth(mStrokeWidth); + mPaint.setColor(mStrokeColor); + mPaint.setTextSize(getTextSize()); + mCanvas.drawText(text, left, bottom, mPaint); + + // Draw the text itself + mPaint.setStrokeWidth(0); + mPaint.setColor(mTextColor); + mCanvas.drawText(text, left, bottom, mPaint); + + mUpdateCachedBitmap = false; + } + canvas.drawBitmap(mCache, 0, 0, mPaint); + } else { + super.onDraw(canvas); + } + } +} |