机顶盒launcher

package com.open.androidtvwidget.keyboard; import android.animation.AnimatorSet; import android.animation.ObjectAnimator; import android.animation.PropertyValuesHolder; import android.animation.ValueAnimator; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Paint.FontMetricsInt; import android.graphics.Rect; import android.graphics.RectF; import android.graphics.drawable.Drawable; import android.text.TextUtils; import android.util.AttributeSet; import android.util.Log; import android.view.KeyEvent; import android.view.View; import com.open.androidtvwidget.keyboard.SoftKey.SaveSoftKey; import com.open.androidtvwidget.utils.OPENLOG; import java.util.List; /** * 软键盘绘制控件.(主软键盘，弹出键盘) * * @author hailong.qiu 356752238@qq.com */ public class SoftKeyboardView extends View { private static final String TAG = "SoftKeyboardView"; public SoftKeyboardView(Context context) { super(context); init(context, null); } public SoftKeyboardView(Context context, AttributeSet attrs) { super(context, attrs); init(context, attrs); } public SoftKeyboardView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); init(context, attrs); } private void init(Context context, AttributeSet attrs) { mPaint = new Paint(); mPaint.setAntiAlias(true); mFmi = mPaint.getFontMetricsInt(); } private SoftKeyboard mSoftKeyboard; private Bitmap mCacheBitmap; /* * 传入需要绘制的键盘(从XML读取出来的). */ public void setSoftKeyboard(SoftKeyboard softSkb) { this.mSoftKeyboard = softSkb; clearCacheBitmap(); } public void clearCacheBitmap() { mCacheBitmap = null; invalidate(); } @Override protected void onDraw(Canvas rootCanvas) { if (mSoftKeyboard == null) return; if (mCacheBitmap == null) { OPENLOG.D("onDraw mCacheBitmap:" + mCacheBitmap); mCacheBitmap = createCacheBitmap(); Canvas canvas = new Canvas(mCacheBitmap); // 绘制键盘背景. drawKeyboardBg(canvas); // 绘制键盘的按键. int rowNum = this.mSoftKeyboard.getRowNum(); for (int row = 0; row < rowNum; row++) { KeyRow keyRow = this.mSoftKeyboard.getKeyRowForDisplay(row); if (keyRow == null) continue; List<SoftKey> softKeys = keyRow.getSoftKeys(); int keyNum = softKeys.size(); for (int i = 0; i < keyNum; i++) { SoftKey softKey = softKeys.get(i); drawSoftKey(canvas, softKey, false); } } } // 绘制缓存. drawCacheBitmap(rootCanvas); // 绘制按键. SoftKey key = mSoftKeyboard.getSelectSoftKey(); drawSoftKey(rootCanvas, key, true); } /** * Bitmap.Config ARGB_8888：<br> * 每个像素占四位，即A=8，R=8，G=8，B=8，<br> * 那么一个像素点占8+8+8+8=32位<br> */ private Bitmap createCacheBitmap() { return Bitmap.createBitmap(getWidth(), getHeight(), Bitmap.Config.ARGB_8888); } private void drawCacheBitmap(Canvas rootCanvas) { if (mCacheBitmap != null) { Paint paint = new Paint(); paint.setAntiAlias(true); rootCanvas.drawBitmap(mCacheBitmap, 0, 0, paint); } } private Paint mPaint; /** * 绘制键盘的背景. */ private void drawKeyboardBg(Canvas canvas) { Drawable bg = mSoftKeyboard.getKeyboardBg(); Rect rect = new Rect(0, 0, getWidth(), getHeight()); if (bg != null) { bg.setBounds(rect); bg.draw(canvas); } else { Paint paint = new Paint(); canvas.drawRect(rect, paint); } } /** * 绘制键值. */ private void drawSoftKey(Canvas canvas, SoftKey softKey, boolean isDrawState) { if (softKey == null) { OPENLOG.E("softKey is null..."); return; } // 绘制按键背景. drawSoftKeyBg(canvas, softKey); // 绘制选中状态. if (isDrawState) { if (softKey.isKeySelected()) { drawSoftKeySelectState(canvas, softKey); } if (softKey.isKeyPressed()) { drawSoftKeyPressState(canvas, softKey); } } // 绘制选中状态 and 选中边框最前面. // BUG(避免重复绘制) 主要用于挡住文字的，在绘制一次而已. // 如果是透明的选中背景，那就不需要再重复绘制一次文字或者图标了. if (isDrawState && mIsFront) { return; } // 绘制按键内容. String keyLabel = softKey.getKeyLabel(); Drawable keyIcon = softKey.getKeyIcon(); if (keyIcon != null) { drawSoftKeyIcon(canvas, softKey, keyIcon); } else if (!TextUtils.isEmpty(keyLabel)) { drawSoftKeyText(canvas, softKey, keyLabel); } } /** * 绘制按键的图片. */ private void drawSoftKeyIcon(Canvas canvas, SoftKey softKey, Drawable keyIcon) { int marginLeft = Math.abs((int) ((softKey.getWidth() - keyIcon.getIntrinsicWidth()) / 2)) + 2; int marginRight = Math.abs((int) (softKey.getWidth() - keyIcon.getIntrinsicWidth() - marginLeft)) + 4; int marginTop = Math.abs((int) ((softKey.getHeight() - keyIcon.getIntrinsicHeight()) / 2)) + 2; int marginBottom = Math.abs((int) (softKey.getHeight() - keyIcon.getIntrinsicHeight() - marginTop)) + 4; keyIcon.setBounds(softKey.getLeft() + marginLeft, softKey.getTop() + marginTop, softKey.getRight() - marginRight, softKey.getBottom() - marginBottom); keyIcon.draw(canvas); } private FontMetricsInt mFmi; /** * 绘制按键的文本字符. */ private void drawSoftKeyText(Canvas canvas, SoftKey softKey, String keyLabel) { mPaint.setTextSize(softKey.getTextSize()); // 文本大小. mPaint.setColor(softKey.getTextColor()); // 文本颜色. mFmi = mPaint.getFontMetricsInt(); int fontHeight = mFmi.bottom - mFmi.top; // 字體的高度. float fontWidth = mPaint.measureText(keyLabel); float marginX = (softKey.getWidth() - fontWidth) / 2.0f; float marginY = (softKey.getHeight() - fontHeight) / 2.0f; float x = softKey.getLeftF() + marginX; // float y = softKey.getTopF() - (mFmi.top) + marginY; /** * +1，绘制文字的地方才不会出现问题。 */ float y = softKey.getTopF() - (mFmi.top + 1) + marginY; canvas.drawText(keyLabel, x, y, mPaint); } /** * 绘制按键背景. */ private void drawSoftKeyBg(Canvas canvas, SoftKey softKey) { Drawable bgDrawable = softKey.getKeyBgDrawable(); if (bgDrawable != null) { Rect rect = softKey.getRect(); bgDrawable.setBounds(rect); bgDrawable.draw(canvas); } } /** * 绘制按键的选中状态. */ private void drawSoftKeySelectState(Canvas canvas, SoftKey softKey) { Drawable selectDrawable = softKey.getKeySelectDrawable(); if (selectDrawable != null) { Rect rect = softKey.getMoveRect();//mIsMoveRect ? softKey.getMoveRect() : softKey.getRect(); int leftPadding, rightPadding, topPadding, bottomPadding; leftPadding = rightPadding = topPadding = bottomPadding = 0; if (this.mSelectBgRect != null) { leftPadding = (int) Math.rint(mSelectBgRect.left); rightPadding = (