226 lines
9.1 KiB
Java
226 lines
9.1 KiB
Java
package com.uiui.zyos.view;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.Typeface;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.View;
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import com.blankj.utilcode.util.ColorUtils;
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import com.blankj.utilcode.util.ImageUtils;
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import com.uiui.zyos.R;
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import com.uiui.zyos.utils.ScreenUtils;
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/**
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* @CreateDate:
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* @Author:lp
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* @Description:
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*/
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public class BatteryView extends View {
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private static final float OUTLINE_THICKNESS = 3.0f;//电池框厚度
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private static final float CAP_WIDTH = 4.0f;//电池盖宽度
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private static float CAP_HEIGHT;//电池盖高度
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private static final float CAP_SPACE = 1.0f;//电池盖和电池的间隔
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private static final float CAP_CORNER_RADIUS = 4;//电池盖矩形圆角
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private static final float GAP_OF_SHAPE_BODY = 4.0f;//电池体与外框之间的间隙
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private static final float ROUND_CORNER_RADIUS = 6;
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private static final float TEXT_SIZE = 11f;
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private int FLASH_WIDTH;//闪电的高度和宽度
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private int FLASH_HEIGHT;
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private float fullPowerWidth; //满电量时电池体的宽度。
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private int mBatteryLevel = 20;
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private boolean mCharging = false;
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private Paint batteryBodyPainter;
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private Paint batteryHeadPainter;
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private Paint mPowerPaint;//电量画笔
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private Paint backgroundPaint;//白色背景
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private Paint mTextPaint;//文字
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private RectF outlineRect;//电池矩形
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private RectF mCapRect;//电池盖矩形
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private RectF batteryRect;//电量矩形
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private RectF backgroundRect;//背景矩形
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private Rect mTextRect;//文字
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private int left;
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private int top;
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public BatteryView(Context context) {
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this(context, null);
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}
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public BatteryView(Context context, AttributeSet attrs) {
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super(context, attrs);
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//电池外框
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batteryBodyPainter = new Paint();
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batteryBodyPainter.setColor(ColorUtils.getColor(R.color.battery_box));
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batteryBodyPainter.setAntiAlias(true);
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batteryBodyPainter.setStyle(Paint.Style.STROKE);
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batteryBodyPainter.setStrokeWidth(OUTLINE_THICKNESS);
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//电池盖
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batteryHeadPainter = new Paint();
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batteryHeadPainter.setColor(ColorUtils.getColor(R.color.battery_box));
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batteryHeadPainter.setAntiAlias(true);
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batteryHeadPainter.setStyle(Paint.Style.FILL);
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//电量
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mPowerPaint = new Paint();
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mPowerPaint.setAntiAlias(true);
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mPowerPaint.setColor(ColorUtils.getColor(R.color.battery_normal_power));
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mPowerPaint.setStyle(Paint.Style.FILL);
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backgroundPaint = new Paint();
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backgroundPaint.setAntiAlias(true);
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backgroundPaint.setColor(ColorUtils.getColor(R.color.battery_background));
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backgroundPaint.setStyle(Paint.Style.FILL);
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mTextPaint = new Paint();
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mTextPaint.setTypeface(Typeface.DEFAULT_BOLD);
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mTextPaint.setTextSize(dip2px(context, TEXT_SIZE));//文字大小
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mTextPaint.setColor(ColorUtils.getColor(R.color.battery_text));
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mTextPaint.setAntiAlias(true);
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outlineRect = new RectF();
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outlineRect.left = OUTLINE_THICKNESS;
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outlineRect.top = OUTLINE_THICKNESS;
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mCapRect = new RectF();
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batteryRect = new RectF();
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backgroundRect = new RectF();
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mTextRect = new Rect();
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}
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public void setBatteryLevel(int battery, boolean isChanrging) {
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this.mBatteryLevel = battery > 100 ? 100 : Math.max(battery, 1);
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// this.mBatteryLevel = battery;
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this.mCharging = isChanrging;
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requestLayout();
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}
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public int getBatteryLevel() {
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return mBatteryLevel;
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}
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/**
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* 根据手机的分辨率从 dp 的单位 转成为 px(像素)
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*/
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public static int dip2px(Context context, float dpValue) {
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final float scale = context.getResources().getDisplayMetrics().density;
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return (int) (dpValue * scale + 0.5f);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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int specWidthSize = MeasureSpec.getSize(widthMeasureSpec);//宽
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int specHeightSize = MeasureSpec.getSize(heightMeasureSpec);//高
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Log.e("onMeasure", "specWidthSize: " + specWidthSize);
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Log.e("onMeasure", "specHeightSize: " + specHeightSize);
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Log.e("dip2px", "onMeasure: " + ScreenUtils.dip2px(mContext, OUTLINE_THICKNESS));
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FLASH_HEIGHT = (int) (specHeightSize - OUTLINE_THICKNESS * 2);
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FLASH_WIDTH = FLASH_HEIGHT;
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outlineRect.left = OUTLINE_THICKNESS + FLASH_WIDTH;
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//设置电池外框
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outlineRect.right = specWidthSize - OUTLINE_THICKNESS - CAP_SPACE - CAP_WIDTH;
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outlineRect.bottom = specHeightSize - OUTLINE_THICKNESS;
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Log.e("onMeasure", "outlineRect.right: " + outlineRect.right);
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Log.e("onMeasure", "outlineRect.bottom: " + outlineRect.bottom);
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backgroundRect.left = outlineRect.left;
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backgroundRect.top = outlineRect.top;
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backgroundRect.bottom = outlineRect.bottom;
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backgroundRect.right = outlineRect.right;
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Log.e("onMeasure", "backgroundRect.left : " + backgroundRect.left);
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Log.e("onMeasure", "backgroundRect.top : " + backgroundRect.top);
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Log.e("onMeasure", "backgroundRect.bottom : " + backgroundRect.bottom);
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Log.e("onMeasure", "backgroundRect.right : " + backgroundRect.right);
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//设置电池盖矩形
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CAP_HEIGHT = specHeightSize / 2;
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mCapRect.left = outlineRect.right + OUTLINE_THICKNESS + CAP_SPACE;
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mCapRect.top = (float) specHeightSize / 2 - CAP_HEIGHT / 2;
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mCapRect.right = specWidthSize;
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mCapRect.bottom = (float) specHeightSize / 2 + CAP_HEIGHT / 2;
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Log.e("onMeasure", "mCapRect.left: " + mCapRect.left);
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Log.e("onMeasure", "mCapRect.top: " + mCapRect.top);
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Log.e("onMeasure", "mCapRect.right: " + mCapRect.right);
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Log.e("onMeasure", "mCapRect.bottom: " + mCapRect.bottom);
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//设置电池体
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batteryRect.left = outlineRect.left + GAP_OF_SHAPE_BODY;
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batteryRect.top = outlineRect.top + GAP_OF_SHAPE_BODY;
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batteryRect.bottom = outlineRect.bottom - GAP_OF_SHAPE_BODY;
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Log.e("onMeasure", "batteryRect.left: " + batteryRect.left);
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Log.e("onMeasure", "batteryRect.top: " + batteryRect.top);
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Log.e("onMeasure", "batteryRect.bottom: " + batteryRect.bottom);
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//闪电位置
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left = (int) (specWidthSize / 2 - OUTLINE_THICKNESS * 2);
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top = (int) (specHeightSize / 2 - OUTLINE_THICKNESS * 2);
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fullPowerWidth = outlineRect.right - GAP_OF_SHAPE_BODY - batteryRect.left;
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setMeasuredDimension(specWidthSize, specHeightSize);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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batteryRect.right = (float) mBatteryLevel / 100 * fullPowerWidth + batteryRect.left;
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Log.e("onMeasure", "batteryRect.right : " + batteryRect.right);
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if (mCharging) {
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mPowerPaint.setColor(ColorUtils.getColor(R.color.battery_charing));
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} else {
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if (mBatteryLevel <= 20) {
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mPowerPaint.setColor(ColorUtils.getColor(R.color.battery_low_power));
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} else {
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mPowerPaint.setColor(ColorUtils.getColor(R.color.battery_normal_power));
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}
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}
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canvas.drawRoundRect(backgroundRect, ROUND_CORNER_RADIUS, ROUND_CORNER_RADIUS, backgroundPaint);
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canvas.drawRoundRect(outlineRect, ROUND_CORNER_RADIUS, ROUND_CORNER_RADIUS, batteryBodyPainter);
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canvas.drawRoundRect(mCapRect, CAP_CORNER_RADIUS, CAP_CORNER_RADIUS, batteryHeadPainter);
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canvas.drawRoundRect(batteryRect, ROUND_CORNER_RADIUS - 1, ROUND_CORNER_RADIUS - 1, mPowerPaint);
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String level = String.valueOf(mBatteryLevel);
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mTextPaint.getTextBounds(level, 0, level.length(), mTextRect);
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Log.e("onMeasure", "mTextRect.right : " + mTextRect.right);
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Log.e("onMeasure", "mTextRect.left : " + mTextRect.left);
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Log.e("onMeasure", "mTextRect.top : " + mTextRect.top);
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Log.e("onMeasure", "mTextRect.bottom : " + mTextRect.bottom);
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int width1 = mTextRect.width();
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int height1 = mTextRect.height();
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Log.e("onMeasure", "width1 : " + width1);
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Log.e("onMeasure", "height1 : " + height1);
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// canvas.drawText(level, (batteryRect.right - batteryRect.left - width1) - mTextRect.left, (batteryRect.bottom - batteryRect.top - height1) - mTextRect.top, mTextPaint);
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canvas.drawText(level, backgroundRect.left + (backgroundRect.width() - width1 - OUTLINE_THICKNESS) / 2, backgroundRect.bottom - (backgroundRect.height() - height1 + OUTLINE_THICKNESS) / 2, mTextPaint);
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if (mCharging) {
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Bitmap bitmap = ImageUtils.getBitmap(R.drawable.ic_battery_charging);
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Bitmap bitmapScale = Bitmap.createScaledBitmap(bitmap, FLASH_WIDTH, FLASH_HEIGHT, true);
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canvas.drawBitmap(bitmapScale, 0, (CAP_HEIGHT * 2 - FLASH_HEIGHT) / 2, null);
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}
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}
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} |