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-rw-r--r--core/java/android/widget/TextViewWithCircularIndicator.java114
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diff --git a/core/java/android/widget/TextViewWithCircularIndicator.java b/core/java/android/widget/TextViewWithCircularIndicator.java
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+/*
+ * Copyright (C) 2014 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 android.widget;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Typeface;
+import android.util.AttributeSet;
+
+import com.android.internal.R;
+
+class TextViewWithCircularIndicator extends TextView {
+
+ private static final int SELECTED_CIRCLE_ALPHA = 60;
+
+ private final Paint mCirclePaint = new Paint();
+
+ private final String mItemIsSelectedText;
+ private int mCircleColor;
+ private boolean mDrawIndicator;
+
+ public TextViewWithCircularIndicator(Context context) {
+ this(context, null);
+ }
+
+ public TextViewWithCircularIndicator(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public TextViewWithCircularIndicator(Context context, AttributeSet attrs, int defStyleAttr) {
+ this(context, attrs, defStyleAttr, 0);
+ }
+
+ public TextViewWithCircularIndicator(Context context, AttributeSet attrs,
+ int defStyleAttr, int defStyleRes) {
+
+ super(context, attrs);
+ Resources res = context.getResources();
+
+ // Use Theme attributes if possible
+ final TypedArray a = mContext.obtainStyledAttributes(attrs,
+ R.styleable.DatePicker, defStyleAttr, defStyleRes);
+
+ final int resId = a.getResourceId(
+ R.styleable.DatePicker_dateSelectorYearListItemTextAppearance, -1);
+ if (resId != -1) {
+ setTextAppearance(context, resId);
+ }
+
+ mItemIsSelectedText = res.getString(R.string.item_is_selected);
+
+ a.recycle();
+
+ init();
+ }
+
+ private void init() {
+ mCirclePaint.setTypeface(Typeface.create(mCirclePaint.getTypeface(), Typeface.BOLD));
+ mCirclePaint.setAntiAlias(true);
+ mCirclePaint.setTextAlign(Paint.Align.CENTER);
+ mCirclePaint.setStyle(Paint.Style.FILL);
+ }
+
+ public void setCircleColor(int color) {
+ if (color != mCircleColor) {
+ mCircleColor = color;
+ mCirclePaint.setColor(mCircleColor);
+ mCirclePaint.setAlpha(SELECTED_CIRCLE_ALPHA);
+ requestLayout();
+ }
+ }
+
+ public void setDrawIndicator(boolean drawIndicator) {
+ mDrawIndicator = drawIndicator;
+ }
+
+ @Override
+ public void onDraw(Canvas canvas) {
+ super.onDraw(canvas);
+ if (mDrawIndicator) {
+ final int width = getWidth();
+ final int height = getHeight();
+ int radius = Math.min(width, height) / 2;
+ canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint);
+ }
+ }
+
+ @Override
+ public CharSequence getContentDescription() {
+ CharSequence itemText = getText();
+ if (mDrawIndicator) {
+ return String.format(mItemIsSelectedText, itemText);
+ } else {
+ return itemText;
+ }
+ }
+} \ No newline at end of file