Make KeyDrawParams and KeyPreviewDrawParams to top level class
This is a follow up of Ide48c361.
Bug: 6509415
Change-Id: Ib45c476924bc4b6b2ca65e0cae91d719109a9cb1
diff --git a/java/src/com/android/inputmethod/keyboard/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java
index 6ad791b..829c54d 100644
--- a/java/src/com/android/inputmethod/keyboard/Key.java
+++ b/java/src/com/android/inputmethod/keyboard/Key.java
@@ -31,6 +31,7 @@
import android.util.Log;
import android.util.Xml;
+import com.android.inputmethod.keyboard.internal.KeyDrawParams;
import com.android.inputmethod.keyboard.internal.KeySpecParser;
import com.android.inputmethod.keyboard.internal.KeySpecParser.MoreKeySpec;
import com.android.inputmethod.keyboard.internal.KeyStyles.KeyStyle;
@@ -493,7 +494,7 @@
}
}
- public int selectTextSize(KeyboardView.KeyDrawParams params) {
+ public int selectTextSize(KeyDrawParams params) {
switch (mLabelFlags & LABEL_FLAGS_FOLLOW_KEY_TEXT_RATIO_MASK) {
case LABEL_FLAGS_FOLLOW_KEY_LARGE_LETTER_RATIO:
return params.mKeyLargeLetterSize;
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index 80e1c7a..44767e4 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -37,6 +37,8 @@
import android.widget.RelativeLayout;
import android.widget.TextView;
+import com.android.inputmethod.keyboard.internal.KeyDrawParams;
+import com.android.inputmethod.keyboard.internal.KeyPreviewDrawParams;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
@@ -94,7 +96,7 @@
// The maximum key label width in the proportion to the key width.
private static final float MAX_LABEL_RATIO = 0.90f;
- private final static int ALPHA_OPAQUE = 255;
+ private static final int ALPHA_OPAQUE = 255;
// Main keyboard
private Keyboard mKeyboard;
@@ -171,184 +173,6 @@
}
}
- protected static class KeyDrawParams {
- // XML attributes
- public final int mKeyTextColor;
- public final int mKeyTextInactivatedColor;
- public final Typeface mKeyTextStyle;
- public final float mKeyLabelHorizontalPadding;
- public final float mKeyHintLetterPadding;
- public final float mKeyPopupHintLetterPadding;
- public final float mKeyShiftedLetterHintPadding;
- public final int mShadowColor;
- public final float mShadowRadius;
- public final Drawable mKeyBackground;
- public final int mKeyHintLetterColor;
- public final int mKeyHintLabelColor;
- public final int mKeyShiftedLetterHintInactivatedColor;
- public final int mKeyShiftedLetterHintActivatedColor;
-
- /* package */ final float mKeyLetterRatio;
- private final float mKeyLargeLetterRatio;
- private final float mKeyLabelRatio;
- private final float mKeyLargeLabelRatio;
- private final float mKeyHintLetterRatio;
- private final float mKeyShiftedLetterHintRatio;
- private final float mKeyHintLabelRatio;
- private static final float UNDEFINED_RATIO = -1.0f;
-
- public final Rect mPadding = new Rect();
- public int mKeyLetterSize;
- public int mKeyLargeLetterSize;
- public int mKeyLabelSize;
- public int mKeyLargeLabelSize;
- public int mKeyHintLetterSize;
- public int mKeyShiftedLetterHintSize;
- public int mKeyHintLabelSize;
- public int mAnimAlpha;
-
- public KeyDrawParams(TypedArray a) {
- mKeyBackground = a.getDrawable(R.styleable.KeyboardView_keyBackground);
- if (a.hasValue(R.styleable.KeyboardView_keyLetterSize)) {
- mKeyLetterRatio = UNDEFINED_RATIO;
- mKeyLetterSize = a.getDimensionPixelSize(R.styleable.KeyboardView_keyLetterSize, 0);
- } else {
- mKeyLetterRatio = getRatio(a, R.styleable.KeyboardView_keyLetterRatio);
- }
- if (a.hasValue(R.styleable.KeyboardView_keyLabelSize)) {
- mKeyLabelRatio = UNDEFINED_RATIO;
- mKeyLabelSize = a.getDimensionPixelSize(R.styleable.KeyboardView_keyLabelSize, 0);
- } else {
- mKeyLabelRatio = getRatio(a, R.styleable.KeyboardView_keyLabelRatio);
- }
- mKeyLargeLabelRatio = getRatio(a, R.styleable.KeyboardView_keyLargeLabelRatio);
- mKeyLargeLetterRatio = getRatio(a, R.styleable.KeyboardView_keyLargeLetterRatio);
- mKeyHintLetterRatio = getRatio(a, R.styleable.KeyboardView_keyHintLetterRatio);
- mKeyShiftedLetterHintRatio = getRatio(a,
- R.styleable.KeyboardView_keyShiftedLetterHintRatio);
- mKeyHintLabelRatio = getRatio(a, R.styleable.KeyboardView_keyHintLabelRatio);
- mKeyLabelHorizontalPadding = a.getDimension(
- R.styleable.KeyboardView_keyLabelHorizontalPadding, 0);
- mKeyHintLetterPadding = a.getDimension(
- R.styleable.KeyboardView_keyHintLetterPadding, 0);
- mKeyPopupHintLetterPadding = a.getDimension(
- R.styleable.KeyboardView_keyPopupHintLetterPadding, 0);
- mKeyShiftedLetterHintPadding = a.getDimension(
- R.styleable.KeyboardView_keyShiftedLetterHintPadding, 0);
- mKeyTextColor = a.getColor(R.styleable.KeyboardView_keyTextColor, 0xFF000000);
- mKeyTextInactivatedColor = a.getColor(
- R.styleable.KeyboardView_keyTextInactivatedColor, 0xFF000000);
- mKeyHintLetterColor = a.getColor(R.styleable.KeyboardView_keyHintLetterColor, 0);
- mKeyHintLabelColor = a.getColor(R.styleable.KeyboardView_keyHintLabelColor, 0);
- mKeyShiftedLetterHintInactivatedColor = a.getColor(
- R.styleable.KeyboardView_keyShiftedLetterHintInactivatedColor, 0);
- mKeyShiftedLetterHintActivatedColor = a.getColor(
- R.styleable.KeyboardView_keyShiftedLetterHintActivatedColor, 0);
- mKeyTextStyle = Typeface.defaultFromStyle(
- a.getInt(R.styleable.KeyboardView_keyTextStyle, Typeface.NORMAL));
- mShadowColor = a.getColor(R.styleable.KeyboardView_shadowColor, 0);
- mShadowRadius = a.getFloat(R.styleable.KeyboardView_shadowRadius, 0f);
-
- mKeyBackground.getPadding(mPadding);
- }
-
- public void updateKeyHeight(int keyHeight) {
- if (mKeyLetterRatio >= 0.0f)
- mKeyLetterSize = (int)(keyHeight * mKeyLetterRatio);
- if (mKeyLabelRatio >= 0.0f)
- mKeyLabelSize = (int)(keyHeight * mKeyLabelRatio);
- mKeyLargeLabelSize = (int)(keyHeight * mKeyLargeLabelRatio);
- mKeyLargeLetterSize = (int)(keyHeight * mKeyLargeLetterRatio);
- mKeyHintLetterSize = (int)(keyHeight * mKeyHintLetterRatio);
- mKeyShiftedLetterHintSize = (int)(keyHeight * mKeyShiftedLetterHintRatio);
- mKeyHintLabelSize = (int)(keyHeight * mKeyHintLabelRatio);
- }
-
- public void blendAlpha(Paint paint) {
- final int color = paint.getColor();
- paint.setARGB((paint.getAlpha() * mAnimAlpha) / ALPHA_OPAQUE,
- Color.red(color), Color.green(color), Color.blue(color));
- }
- }
-
- /* package */ static class KeyPreviewDrawParams {
- // XML attributes.
- public final Drawable mPreviewBackground;
- public final Drawable mPreviewLeftBackground;
- public final Drawable mPreviewRightBackground;
- public final int mPreviewTextColor;
- public final int mPreviewOffset;
- public final int mPreviewHeight;
- public final Typeface mKeyTextStyle;
- public final int mLingerTimeout;
-
- private final float mPreviewTextRatio;
- private final float mKeyLetterRatio;
-
- // The graphical geometry of the key preview.
- // <-width->
- // +-------+ ^
- // | | |
- // |preview| height (visible)
- // | | |
- // + + ^ v
- // \ / |offset
- // +-\ /-+ v
- // | +-+ |
- // |parent |
- // | key|
- // +-------+
- // The background of a {@link TextView} being used for a key preview may have invisible
- // paddings. To align the more keys keyboard panel's visible part with the visible part of
- // the background, we need to record the width and height of key preview that don't include
- // invisible paddings.
- public int mPreviewVisibleWidth;
- public int mPreviewVisibleHeight;
- // The key preview may have an arbitrary offset and its background that may have a bottom
- // padding. To align the more keys keyboard and the key preview we also need to record the
- // offset between the top edge of parent key and the bottom of the visible part of key
- // preview background.
- public int mPreviewVisibleOffset;
-
- public int mPreviewTextSize;
- public int mKeyLetterSize;
- public final int[] mCoordinates = new int[2];
-
- private static final int PREVIEW_ALPHA = 240;
-
- public KeyPreviewDrawParams(TypedArray a, KeyDrawParams keyDrawParams) {
- mPreviewBackground = a.getDrawable(R.styleable.KeyboardView_keyPreviewBackground);
- mPreviewLeftBackground = a.getDrawable(
- R.styleable.KeyboardView_keyPreviewLeftBackground);
- mPreviewRightBackground = a.getDrawable(
- R.styleable.KeyboardView_keyPreviewRightBackground);
- setAlpha(mPreviewBackground, PREVIEW_ALPHA);
- setAlpha(mPreviewLeftBackground, PREVIEW_ALPHA);
- setAlpha(mPreviewRightBackground, PREVIEW_ALPHA);
- mPreviewOffset = a.getDimensionPixelOffset(
- R.styleable.KeyboardView_keyPreviewOffset, 0);
- mPreviewHeight = a.getDimensionPixelSize(
- R.styleable.KeyboardView_keyPreviewHeight, 80);
- mPreviewTextRatio = getRatio(a, R.styleable.KeyboardView_keyPreviewTextRatio);
- mPreviewTextColor = a.getColor(R.styleable.KeyboardView_keyPreviewTextColor, 0);
- mLingerTimeout = a.getInt(R.styleable.KeyboardView_keyPreviewLingerTimeout, 0);
-
- mKeyLetterRatio = keyDrawParams.mKeyLetterRatio;
- mKeyTextStyle = keyDrawParams.mKeyTextStyle;
- }
-
- public void updateKeyHeight(int keyHeight) {
- mPreviewTextSize = (int)(keyHeight * mPreviewTextRatio);
- mKeyLetterSize = (int)(keyHeight * mKeyLetterRatio);
- }
-
- private static void setAlpha(Drawable drawable, int alpha) {
- if (drawable == null)
- return;
- drawable.setAlpha(alpha);
- }
- }
-
public KeyboardView(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.keyboardViewStyle);
}
@@ -376,11 +200,6 @@
mPaint.setAntiAlias(true);
}
- // Read fraction value in TypedArray as float.
- /* package */ static float getRatio(TypedArray a, int index) {
- return a.getFraction(index, 1000, 1000, 1) / 1000.0f;
- }
-
/**
* Attaches a keyboard to this view. The keyboard can be switched at any time and the
* view will re-layout itself to accommodate the keyboard.
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
index cb37672..f278cf0 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
@@ -43,6 +43,7 @@
import com.android.inputmethod.accessibility.AccessibleKeyboardViewProxy;
import com.android.inputmethod.keyboard.PointerTracker.DrawingProxy;
import com.android.inputmethod.keyboard.PointerTracker.TimerProxy;
+import com.android.inputmethod.keyboard.internal.KeyDrawParams;
import com.android.inputmethod.latin.ImfUtils;
import com.android.inputmethod.latin.LatinIME;
import com.android.inputmethod.latin.LatinImeLogger;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyDrawParams.java b/java/src/com/android/inputmethod/keyboard/internal/KeyDrawParams.java
new file mode 100644
index 0000000..c4910bb
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyDrawParams.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2012 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.inputmethod.keyboard.internal;
+
+import android.content.res.TypedArray;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+
+import com.android.inputmethod.latin.R;
+
+public class KeyDrawParams {
+ // XML attributes
+ public final int mKeyTextColor;
+ public final int mKeyTextInactivatedColor;
+ public final Typeface mKeyTextStyle;
+ public final float mKeyLabelHorizontalPadding;
+ public final float mKeyHintLetterPadding;
+ public final float mKeyPopupHintLetterPadding;
+ public final float mKeyShiftedLetterHintPadding;
+ public final int mShadowColor;
+ public final float mShadowRadius;
+ public final Drawable mKeyBackground;
+ public final int mKeyHintLetterColor;
+ public final int mKeyHintLabelColor;
+ public final int mKeyShiftedLetterHintInactivatedColor;
+ public final int mKeyShiftedLetterHintActivatedColor;
+
+ public final float mKeyLetterRatio;
+ private final float mKeyLargeLetterRatio;
+ private final float mKeyLabelRatio;
+ private final float mKeyLargeLabelRatio;
+ private final float mKeyHintLetterRatio;
+ private final float mKeyShiftedLetterHintRatio;
+ private final float mKeyHintLabelRatio;
+ private static final float UNDEFINED_RATIO = -1.0f;
+
+ public final Rect mPadding = new Rect();
+ public int mKeyLetterSize;
+ public int mKeyLargeLetterSize;
+ public int mKeyLabelSize;
+ public int mKeyLargeLabelSize;
+ public int mKeyHintLetterSize;
+ public int mKeyShiftedLetterHintSize;
+ public int mKeyHintLabelSize;
+ public int mAnimAlpha;
+
+ private static final int ALPHA_OPAQUE = 255;
+
+ public KeyDrawParams(TypedArray a) {
+ mKeyBackground = a.getDrawable(R.styleable.KeyboardView_keyBackground);
+ if (a.hasValue(R.styleable.KeyboardView_keyLetterSize)) {
+ mKeyLetterRatio = UNDEFINED_RATIO;
+ mKeyLetterSize = a.getDimensionPixelSize(R.styleable.KeyboardView_keyLetterSize, 0);
+ } else {
+ mKeyLetterRatio = getRatio(a, R.styleable.KeyboardView_keyLetterRatio);
+ }
+ if (a.hasValue(R.styleable.KeyboardView_keyLabelSize)) {
+ mKeyLabelRatio = UNDEFINED_RATIO;
+ mKeyLabelSize = a.getDimensionPixelSize(R.styleable.KeyboardView_keyLabelSize, 0);
+ } else {
+ mKeyLabelRatio = getRatio(a, R.styleable.KeyboardView_keyLabelRatio);
+ }
+ mKeyLargeLabelRatio = getRatio(a, R.styleable.KeyboardView_keyLargeLabelRatio);
+ mKeyLargeLetterRatio = getRatio(a, R.styleable.KeyboardView_keyLargeLetterRatio);
+ mKeyHintLetterRatio = getRatio(a, R.styleable.KeyboardView_keyHintLetterRatio);
+ mKeyShiftedLetterHintRatio = getRatio(a,
+ R.styleable.KeyboardView_keyShiftedLetterHintRatio);
+ mKeyHintLabelRatio = getRatio(a, R.styleable.KeyboardView_keyHintLabelRatio);
+ mKeyLabelHorizontalPadding = a.getDimension(
+ R.styleable.KeyboardView_keyLabelHorizontalPadding, 0);
+ mKeyHintLetterPadding = a.getDimension(
+ R.styleable.KeyboardView_keyHintLetterPadding, 0);
+ mKeyPopupHintLetterPadding = a.getDimension(
+ R.styleable.KeyboardView_keyPopupHintLetterPadding, 0);
+ mKeyShiftedLetterHintPadding = a.getDimension(
+ R.styleable.KeyboardView_keyShiftedLetterHintPadding, 0);
+ mKeyTextColor = a.getColor(R.styleable.KeyboardView_keyTextColor, 0xFF000000);
+ mKeyTextInactivatedColor = a.getColor(
+ R.styleable.KeyboardView_keyTextInactivatedColor, 0xFF000000);
+ mKeyHintLetterColor = a.getColor(R.styleable.KeyboardView_keyHintLetterColor, 0);
+ mKeyHintLabelColor = a.getColor(R.styleable.KeyboardView_keyHintLabelColor, 0);
+ mKeyShiftedLetterHintInactivatedColor = a.getColor(
+ R.styleable.KeyboardView_keyShiftedLetterHintInactivatedColor, 0);
+ mKeyShiftedLetterHintActivatedColor = a.getColor(
+ R.styleable.KeyboardView_keyShiftedLetterHintActivatedColor, 0);
+ mKeyTextStyle = Typeface.defaultFromStyle(
+ a.getInt(R.styleable.KeyboardView_keyTextStyle, Typeface.NORMAL));
+ mShadowColor = a.getColor(R.styleable.KeyboardView_shadowColor, 0);
+ mShadowRadius = a.getFloat(R.styleable.KeyboardView_shadowRadius, 0f);
+
+ mKeyBackground.getPadding(mPadding);
+ }
+
+ public void updateKeyHeight(int keyHeight) {
+ if (mKeyLetterRatio >= 0.0f)
+ mKeyLetterSize = (int)(keyHeight * mKeyLetterRatio);
+ if (mKeyLabelRatio >= 0.0f)
+ mKeyLabelSize = (int)(keyHeight * mKeyLabelRatio);
+ mKeyLargeLabelSize = (int)(keyHeight * mKeyLargeLabelRatio);
+ mKeyLargeLetterSize = (int)(keyHeight * mKeyLargeLetterRatio);
+ mKeyHintLetterSize = (int)(keyHeight * mKeyHintLetterRatio);
+ mKeyShiftedLetterHintSize = (int)(keyHeight * mKeyShiftedLetterHintRatio);
+ mKeyHintLabelSize = (int)(keyHeight * mKeyHintLabelRatio);
+ }
+
+ public void blendAlpha(Paint paint) {
+ final int color = paint.getColor();
+ paint.setARGB((paint.getAlpha() * mAnimAlpha) / ALPHA_OPAQUE,
+ Color.red(color), Color.green(color), Color.blue(color));
+ }
+
+ // Read fraction value in TypedArray as float.
+ private static float getRatio(TypedArray a, int index) {
+ return a.getFraction(index, 1000, 1000, 1) / 1000.0f;
+ }
+}
\ No newline at end of file
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java b/java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java
new file mode 100644
index 0000000..0d5590e
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2012 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.inputmethod.keyboard.internal;
+
+import android.content.res.TypedArray;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+
+import com.android.inputmethod.latin.R;
+
+public class KeyPreviewDrawParams {
+ // XML attributes.
+ public final Drawable mPreviewBackground;
+ public final Drawable mPreviewLeftBackground;
+ public final Drawable mPreviewRightBackground;
+ public final int mPreviewTextColor;
+ public final int mPreviewOffset;
+ public final int mPreviewHeight;
+ public final Typeface mKeyTextStyle;
+ public final int mLingerTimeout;
+
+ private final float mPreviewTextRatio;
+ private final float mKeyLetterRatio;
+
+ // The graphical geometry of the key preview.
+ // <-width->
+ // +-------+ ^
+ // | | |
+ // |preview| height (visible)
+ // | | |
+ // + + ^ v
+ // \ / |offset
+ // +-\ /-+ v
+ // | +-+ |
+ // |parent |
+ // | key|
+ // +-------+
+ // The background of a {@link TextView} being used for a key preview may have invisible
+ // paddings. To align the more keys keyboard panel's visible part with the visible part of
+ // the background, we need to record the width and height of key preview that don't include
+ // invisible paddings.
+ public int mPreviewVisibleWidth;
+ public int mPreviewVisibleHeight;
+ // The key preview may have an arbitrary offset and its background that may have a bottom
+ // padding. To align the more keys keyboard and the key preview we also need to record the
+ // offset between the top edge of parent key and the bottom of the visible part of key
+ // preview background.
+ public int mPreviewVisibleOffset;
+
+ public int mPreviewTextSize;
+ public int mKeyLetterSize;
+ public final int[] mCoordinates = new int[2];
+
+ private static final int PREVIEW_ALPHA = 240;
+
+ public KeyPreviewDrawParams(TypedArray a, KeyDrawParams keyDrawParams) {
+ mPreviewBackground = a.getDrawable(R.styleable.KeyboardView_keyPreviewBackground);
+ mPreviewLeftBackground = a.getDrawable(
+ R.styleable.KeyboardView_keyPreviewLeftBackground);
+ mPreviewRightBackground = a.getDrawable(
+ R.styleable.KeyboardView_keyPreviewRightBackground);
+ setAlpha(mPreviewBackground, PREVIEW_ALPHA);
+ setAlpha(mPreviewLeftBackground, PREVIEW_ALPHA);
+ setAlpha(mPreviewRightBackground, PREVIEW_ALPHA);
+ mPreviewOffset = a.getDimensionPixelOffset(
+ R.styleable.KeyboardView_keyPreviewOffset, 0);
+ mPreviewHeight = a.getDimensionPixelSize(
+ R.styleable.KeyboardView_keyPreviewHeight, 80);
+ mPreviewTextRatio = getRatio(a, R.styleable.KeyboardView_keyPreviewTextRatio);
+ mPreviewTextColor = a.getColor(R.styleable.KeyboardView_keyPreviewTextColor, 0);
+ mLingerTimeout = a.getInt(R.styleable.KeyboardView_keyPreviewLingerTimeout, 0);
+
+ mKeyLetterRatio = keyDrawParams.mKeyLetterRatio;
+ mKeyTextStyle = keyDrawParams.mKeyTextStyle;
+ }
+
+ public void updateKeyHeight(int keyHeight) {
+ mPreviewTextSize = (int)(keyHeight * mPreviewTextRatio);
+ mKeyLetterSize = (int)(keyHeight * mKeyLetterRatio);
+ }
+
+ private static void setAlpha(Drawable drawable, int alpha) {
+ if (drawable == null)
+ return;
+ drawable.setAlpha(alpha);
+ }
+
+ // Read fraction value in TypedArray as float.
+ private static float getRatio(TypedArray a, int index) {
+ return a.getFraction(index, 1000, 1000, 1) / 1000.0f;
+ }
+}
\ No newline at end of file