1 files changed, 193 insertions, 0 deletions
diff --git a/testapps/customViewTest/libWithCustomView/src/com/android/tests/libwithcustom/LabelView.java b/testapps/customViewTest/libWithCustomView/src/com/android/tests/libwithcustom/LabelView.java
new file mode 100644
index 000000000..d0b62e93b
--- /dev/null
+++ b/testapps/customViewTest/libWithCustomView/src/com/android/tests/libwithcustom/LabelView.java
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2007 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.tests.libwithcustom;
+
+// Need the following import to get access to the app resources, since this
+// class is in a sub-package.
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.View;
+
+
+/**
+ * Example of how to write a custom subclass of View. LabelView
+ * is used to draw simple text views. Note that it does not handle
+ * styled text or right-to-left writing systems.
+ *
+ */
+public class LabelView extends View {
+    private Paint mTextPaint;
+    private String mText;
+    private int mAscent;
+    
+    /**
+     * Constructor.  This version is only needed if you will be instantiating
+     * the object manually (not from a layout XML file).
+     * @param context
+     */
+    public LabelView(Context context) {
+        super(context);
+        initLabelView();
+    }
+
+    /**
+     * Construct object, initializing with any attributes we understand from a
+     * layout file. These attributes are defined in
+     * SDK/assets/res/any/classes.xml.
+     * 
+     * @see android.view.View#View(android.content.Context, android.util.AttributeSet)
+     */
+    public LabelView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        initLabelView();
+
+        
+        TypedArray a = context.obtainStyledAttributes(attrs,
+                R.styleable.LabelView);
+
+        CharSequence s = a.getString(R.styleable.LabelView_text);
+        if (s != null) {
+            setText(s.toString());
+        }
+
+        // Retrieve the color(s) to be used for this view and apply them.
+        // Note, if you only care about supporting a single color, that you
+        // can instead call a.getColor() and pass that to setTextColor().
+        setTextColor(a.getColor(R.styleable.LabelView_textColor, 0xFF000000));
+
+        int textSize = a.getDimensionPixelOffset(R.styleable.LabelView_textSize, 0);
+        if (textSize > 0) {
+            setTextSize(textSize);
+        }
+
+        a.recycle();
+    }
+
+    private final void initLabelView() {
+        mTextPaint = new Paint();
+        mTextPaint.setAntiAlias(true);
+        // Must manually scale the desired text size to match screen density
+        mTextPaint.setTextSize(16 * getResources().getDisplayMetrics().density);
+        mTextPaint.setColor(0xFF000000);
+        setPadding(3, 3, 3, 3);
+    }
+
+    /**
+     * Sets the text to display in this label
+     * @param text The text to display. This will be drawn as one line.
+     */
+    public void setText(String text) {
+        mText = text;
+        requestLayout();
+        invalidate();
+    }
+
+    /**
+     * Sets the text size for this label
+     * @param size Font size
+     */
+    public void setTextSize(int size) {
+        // This text size has been pre-scaled by the getDimensionPixelOffset method
+        mTextPaint.setTextSize(size);
+        requestLayout();
+        invalidate();
+    }
+
+    /**
+     * Sets the text color for this label.
+     * @param color ARGB value for the text
+     */
+    public void setTextColor(int color) {
+        mTextPaint.setColor(color);
+        invalidate();
+    }
+
+    /**
+     * @see android.view.View#measure(int, int)
+     */
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        setMeasuredDimension(measureWidth(widthMeasureSpec),
+                measureHeight(heightMeasureSpec));
+    }
+
+    /**
+     * Determines the width of this view
+     * @param measureSpec A measureSpec packed into an int
+     * @return The width of the view, honoring constraints from measureSpec
+     */
+    private int measureWidth(int measureSpec) {
+        int result = 0;
+        int specMode = MeasureSpec.getMode(measureSpec);
+        int specSize = MeasureSpec.getSize(measureSpec);
+
+        if (specMode == MeasureSpec.EXACTLY) {
+            // We were told how big to be
+            result = specSize;
+        } else {
+            // Measure the text
+            result = (int) mTextPaint.measureText(mText) + getPaddingLeft()
+                    + getPaddingRight();
+            if (specMode == MeasureSpec.AT_MOST) {
+                // Respect AT_MOST value if that was what is called for by measureSpec
+                result = Math.min(result, specSize);
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * Determines the height of this view
+     * @param measureSpec A measureSpec packed into an int
+     * @return The height of the view, honoring constraints from measureSpec
+     */
+    private int measureHeight(int measureSpec) {
+        int result = 0;
+        int specMode = MeasureSpec.getMode(measureSpec);
+        int specSize = MeasureSpec.getSize(measureSpec);
+
+        mAscent = (int) mTextPaint.ascent();
+        if (specMode == MeasureSpec.EXACTLY) {
+            // We were told how big to be
+            result = specSize;
+        } else {
+            // Measure the text (beware: ascent is a negative number)
+            result = (int) (-mAscent + mTextPaint.descent()) + getPaddingTop()
+                    + getPaddingBottom();
+            if (specMode == MeasureSpec.AT_MOST) {
+                // Respect AT_MOST value if that was what is called for by measureSpec
+                result = Math.min(result, specSize);
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Render the text
+     * 
+     * @see android.view.View#onDraw(android.graphics.Canvas)
+     */
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        canvas.drawText(mText, getPaddingLeft(), getPaddingTop() - mAscent, mTextPaint);
+    }
+}