android 11增加充电动画

修改文件清单
vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
vendor/mediatek/proprietary/packages/apps/SystemUI/res/layout/wired_charging_layout.xml
frameworks/base/packages/apps/SystemUI/src/com/android/systemui/charging/BubbleBean.java
frameworks/base/packages/apps/SystemUI/src/com/android/systemui/charging/BubbleViscosity.java
frameworks/base/packages/apps/SystemUI/src/com/android/systemui/charging/WiredChargingAnimation.java

具体实现
新增布局
frameworks/base/packages/apps/SystemUI/res/layout/wired_charging_layout.xml

<com.android.systemui.charging.BubbleViscosity
    android:id="@+id/shcy_bubble_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

新增气泡 bean
frameworks/base/packages/apps/SystemUI/src/com/android/systemui/charging/BubbleBean.java

package com.android.systemui.charging;

public class BubbleBean {

private float randomY = 3;
private float x;
private float y;
private int index;

public BubbleBean(float x, float y, float randomY, int index) {
	this.x = x;
	this.y = y;
	this.randomY = randomY;
	this.index = index;
}

public void set(float x, float y, float randomY, int index) {
	this.x = x;
	this.y = y;
	this.randomY = randomY;
	this.index = index;
}

public void setMove(int screenHeight, int maxDistance) {
	if (y - maxDistance < 110) {
		this.y -= 2;
		return;
	}

	if (maxDistance <= y && screenHeight - y > 110) {
		this.y -= randomY;
	} else {
		this.y -= 0.6;
	}

	if (index == 0) {
		this.x -= 0.4;
	} else if (index == 2) {
		this.x += 0.4;
	}
}

public int getIndex() {
	return index;
}

public float getX() {
	return x;
}

public void setX(float x) {
	this.x = x;
}

public float getY() {
	return y;
}

public void setY(float y) {
	this.y = y;
}

}

新增充电动画自定义 view
frameworks/base/packages/apps/SystemUI/src/com/android/systemui/charging/BubbleViscosity.java

package com.android.systemui.charging;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PixelFormat;
import android.graphics.PointF;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.TypedValue;
import android.view.SurfaceHolder;
import android.view.SurfaceView;

public class BubbleViscosity extends SurfaceView implements
SurfaceHolder.Callback, Runnable {
private static ScheduledExecutorService scheduledThreadPool;
private Context context;
private String paintColor = “#25DA29”;
private String centreColor = “#00000000”;
private String minCentreColor = “#9025DA29”;
private int screenHeight;
private int screenWidth;

private float lastRadius;
private float rate = 0.32f;
private float rate2 = 0.45f;
private PointF lastCurveStrat = new PointF();
private PointF lastCurveEnd = new PointF();
private PointF centreCirclePoint = new PointF();
private float centreRadius;
private float bubbleRadius;

private PointF[] arcPointStrat = new PointF[8];
private PointF[] arcPointEnd = new PointF[8];
private PointF[] control = new PointF[8];
private PointF arcStrat = new PointF();
private PointF arcEnd = new PointF();
private PointF controlP = new PointF();

List<PointF> bubbleList = new ArrayList<>();
List<BubbleBean> bubbleBeans = new ArrayList<>();

private int rotateAngle = 0;
private float controlrate = 1.66f;
private float controlrateS = 1.3f;
private int i = 0;
private SurfaceHolder mHolder;
private float scale = 0;

private Paint arcPaint;
private Paint minCentrePaint;
private Paint bubblePaint;
private Paint centrePaint;
private Paint lastPaint;
private Path lastPath;
private Random random;
private Paint textPaint;
private String text = "78 %";
private Rect rect;

public BubbleViscosity(Context context) {
	this(context, null);
}

public BubbleViscosity(Context context, AttributeSet attrs) {
	this(context, attrs, 0);
}

public BubbleViscosity(Context context, AttributeSet attrs,
		int defStyleAttr) {
	super(context, attrs, defStyleAttr);
	this.context = context;
	initTool();
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
	super.onMeasure(widthMeasureSpec, heightMeasureSpec);
	screenHeight = getMeasuredHeight();
	screenWidth = getMeasuredWidth();
}

private void initTool() {
	rect = new Rect();
	mHolder = getHolder();
	mHolder.addCallback(this);
	setFocusable(true);
	mHolder.setFormat(PixelFormat.TRANSPARENT);
	setZOrderOnTop(true);
	lastRadius = dip2Dimension(40f, context);
	centreRadius = dip2Dimension(100f, context);
	bubbleRadius = dip2Dimension(15f, context);
	random = new Random();
	lastPaint = new Paint();
	lastPaint.setAntiAlias(true);
	lastPaint.setStyle(Paint.Style.FILL);
	lastPaint.setColor(Color.parseColor(paintColor));
	lastPaint.setStrokeWidth(2);

	lastPath = new Path();

	centrePaint = new Paint();
	centrePaint.setAntiAlias(true);
	centrePaint.setStyle(Paint.Style.FILL);
	centrePaint.setStrokeWidth(2);
	centrePaint
			.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OUT));
	centrePaint.setColor(Color.parseColor(centreColor));
	arcPaint = new Paint();
	arcPaint.setAntiAlias(true);
	arcPaint.setStyle(Paint.Style.FILL);
	arcPaint.setColor(Color.parseColor(paintColor));
	arcPaint.setStrokeWidth(2);
	minCentrePaint = new Paint();
	minCentrePaint.setAntiAlias(true);
	minCentrePaint.setStyle(Paint.Style.FILL);
	minCentrePaint.setColor(Color.parseColor(minCentreColor));
	minCentrePaint.setStrokeWidth(2);
	bubblePaint = new Paint();
	bubblePaint.setAntiAlias(true);
	bubblePaint.setStyle(Paint.Style.FILL);
	bubblePaint.setColor(Color.parseColor(minCentreColor));
	bubblePaint.setStrokeWidth(2);
	textPaint = new Paint();
	textPaint.setAntiAlias(true);
	textPaint.setStyle(Paint.Style.FILL);
	textPaint.setColor(Color.parseColor("#FFFFFF"));
	textPaint.setStrokeWidth(2);
	textPaint.setTextSize(dip2Dimension(40f, context));

}

private void onMDraw() {
	Canvas canvas = mHolder.lockCanvas();
	canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
	bubbleDraw(canvas);
	lastCircleDraw(canvas);
	centreCircleDraw(canvas);
	textPaint.getTextBounds(text, 0, text.length(), rect);
	canvas.drawText(text, centreCirclePoint.x - rect.width() / 2,
			centreCirclePoint.y + rect.height() / 2, textPaint);
	mHolder.unlockCanvasAndPost(canvas);
}

public void setBatteryLevel(String level){
	this.text=level+"%";
	postInvalidate();
}
private void centreCircleDraw(Canvas canvas) {
	centreCirclePoint.set(screenWidth / 2, screenHeight / 2);
	circleInCoordinateDraw(canvas);
	canvas.drawCircle(centreCirclePoint.x, centreCirclePoint.y,
			centreRadius, centrePaint);

}

private void lastCircleDraw(Canvas canvas) {
	lastCurveStrat.set(screenWidth / 2 - lastRadius, screenHeight);
	lastCurveEnd.set((screenWidth / 2), screenHeight);

	float k = (lastRadius / 2) / lastRadius;

	float aX = lastRadius - lastRadius * rate2;
	float aY = lastCurveStrat.y - aX * k;
	float bX = lastRadius - lastRadius * rate;
	float bY = lastCurveEnd.y - bX * k;

	lastPath.rewind();
	lastPath.moveTo(lastCurveStrat.x, lastCurveStrat.y);
	lastPath.cubicTo(lastCurveStrat.x + aX, aY, lastCurveEnd.x - bX, bY,
			lastCurveEnd.x, lastCurveEnd.y - lastRadius / 2);
	lastPath.cubicTo(lastCurveEnd.x + bX, bY, lastCurveEnd.x + lastRadius
			- aX, aY, lastCurveEnd.x + lastRadius, lastCurveEnd.y);

	lastPath.lineTo(lastCurveStrat.x, lastCurveStrat.y);
	canvas.drawPath(lastPath, lastPaint);

}

private int bubbleIndex = 0;

private void bubbleDraw(Canvas canvas) {
	
	for (int i = 0; i < bubbleBeans.size(); i++) {
		if (bubbleBeans.get(i).getY() <= (int) (screenHeight / 2 + centreRadius)) {
			bubblePaint.setAlpha(000);
			canvas.drawCircle(bubbleBeans.get(i).getX(), bubbleBeans.get(i)
					.getY(), bubbleRadius, bubblePaint);
		} else {
			bubblePaint.setAlpha(150);
			canvas.drawCircle(bubbleBeans.get(i).getX(), bubbleBeans.get(i)
					.getY(), bubbleRadius, bubblePaint);
		}
	}

}

/**
 * @param dip
 * @param context
 * @return
 */
public float dip2Dimension(float dip, Context context) {
	DisplayMetrics displayMetrics = context.getResources()
			.getDisplayMetrics();
	return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip,
			displayMetrics);
}

/**
 * @param canvas
 */
public void circleInCoordinateDraw(Canvas canvas) {
	int angle;
	for (int i = 0; i < arcPointStrat.length; i++) {
		if (i > 3 && i < 6) {
			if (i == 4) {
				angle = rotateAngle + i * 60;

			} else {
				angle = rotateAngle + i * 64;
			}
		} else if (i > 5) {
			if (i == 6) {
				angle = rotateAngle + i * 25;
			} else {
				angle = rotateAngle + i * 48;
			}

		} else {
			angle = rotateAngle + i * 90;
		}

		float radian = (float) Math.toRadians(angle);
		float adjacent = (float) Math.cos(radian) * centreRadius;
		float right = (float) Math.sin(radian) * centreRadius;
		float radianControl = (float) Math.toRadians(90 - (45 + angle));
		float xStrat = (float) Math.cos(radianControl) * centreRadius;
		float yEnd = (float) Math.sin(radianControl) * centreRadius;
		if (i == 0 || i == 1) {
			if (i == 1) {
				arcStrat.set(centreCirclePoint.x + adjacent - scale,
						centreCirclePoint.y + right + scale);
				arcEnd.set(centreCirclePoint.x - right, centreCirclePoint.y
						+ adjacent);

			} else {
				arcStrat.set(centreCirclePoint.x + adjacent,
						centreCirclePoint.y + right);
				arcEnd.set(centreCirclePoint.x - right - scale,
						centreCirclePoint.y + adjacent + scale);

			}
			controlP.set(centreCirclePoint.x + yEnd * controlrate,
					centreCirclePoint.y + xStrat * controlrate);
		} else {
			arcStrat.set(centreCirclePoint.x + adjacent,
					centreCirclePoint.y + right);
			arcEnd.set(centreCirclePoint.x - right, centreCirclePoint.y
					+ adjacent);
			if (i > 5) {
				controlP.set(centreCirclePoint.x + yEnd * controlrateS,
						centreCirclePoint.y + xStrat * controlrateS);
			} else {
				controlP.set(centreCirclePoint.x + yEnd * controlrate,
						centreCirclePoint.y + xStrat * controlrate);
			}
		}
		arcPointStrat[i] = arcStrat;
		arcPointEnd[i] = arcEnd;
		control[i] = controlP;

		lastPath.rewind();
		lastPath.moveTo(arcPointStrat[i].x, arcPointStrat[i].y);
		lastPath.quadTo(control[i].x, control[i].y, arcPointEnd[i].x,
				arcPointEnd[i].y);

		if (i > 3 && i < 6) {
			canvas.drawPath(lastPath, minCentrePaint);
		} else {
			canvas.drawPath(lastPath, arcPaint);
		}
		lastPath.rewind();
	}
}

private void setAnimation() {
	setScheduleWithFixedDelay(this, 0, 5);
	setScheduleWithFixedDelay(new Runnable() {
		@Override
		public void run() {
			if (bubbleIndex > 2)
				bubbleIndex = 0;
			if (bubbleBeans.size() < 8) {
				bubbleBeans.add(new BubbleBean(
						bubbleList.get(bubbleIndex).x, bubbleList
								.get(bubbleIndex).y, random.nextInt(4) + 2,
						bubbleIndex));
			} else {
				for (int i = 0; i < bubbleBeans.size(); i++) {
					if (bubbleBeans.get(i).getY() <= (int) (screenHeight / 2 + centreRadius)) {
						bubbleBeans.get(i).set(
								bubbleList.get(bubbleIndex).x,
								bubbleList.get(bubbleIndex).y,
								random.nextInt(4) + 2, bubbleIndex);
						if (random.nextInt(bubbleBeans.size()) + 3 == 3 ? true
								: false) {
						} else {
							break;
						}
					}
				}
			}
			bubbleIndex++;
		}
	}, 0, 300);
}

private static ScheduledExecutorService getInstence() {
	if (scheduledThreadPool == null) {
		synchronized (BubbleViscosity.class) {
			if (scheduledThreadPool == null) {
				scheduledThreadPool = Executors
						.newSingleThreadScheduledExecutor();
			}
		}
	}
	return scheduledThreadPool;
}

private static void setScheduleWithFixedDelay(Runnable var1, long var2,
		long var4) {
	getInstence().scheduleWithFixedDelay(var1, var2, var4,
			TimeUnit.MILLISECONDS);

}

public static void onDestroyThread() {
	getInstence().shutdownNow();
	if (scheduledThreadPool != null) {
		scheduledThreadPool = null;
	}
}

@Override
public void surfaceCreated(SurfaceHolder holder) {
	bubbleList.clear();
	setBubbleList();
	startBubbleRunnable();
	setAnimation();
}

@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
		int height) {

}

@Override
public void surfaceDestroyed(SurfaceHolder holder) {
	onDestroyThread();
}

@Override
public void run() {
	i++;
	rotateAngle = i;
	if (i > 90 && i < 180) {
		scale += 0.25;
		if (controlrateS < 1.66)
			controlrateS += 0.005;
	} else if (i >= 180) {
		scale -= 0.12;
		if (i > 300)
			controlrateS -= 0.01;
	}
	onMDraw();
	if (i == 360) {
		i = 0;
		rotateAngle = 0;
		controlrate = 1.66f;
		controlrateS = 1.3f;
		scale = 0;
	}

}

public void setBubbleList() {
	float radian = (float) Math.toRadians(35);
	float adjacent = (float) Math.cos(radian) * lastRadius / 3;
	float right = (float) Math.sin(radian) * lastRadius / 3;
	if (!bubbleList.isEmpty())
		return;
	bubbleList.add(new PointF(screenWidth / 2 - adjacent, screenHeight
			- right));
	bubbleList.add(new PointF(screenWidth / 2, screenHeight - lastRadius
			/ 4));
	bubbleList.add(new PointF(screenWidth / 2 + adjacent, screenHeight
			- right));
	startBubbleRunnable();
}

public void startBubbleRunnable(){
	setScheduleWithFixedDelay(new Runnable() {
		@Override
		public void run() {
			for (int i = 0; i < bubbleBeans.size(); i++) {
				bubbleBeans.get(i).setMove(screenHeight,
						(int) (screenHeight / 2 + centreRadius));
			}
		}
	}, 0, 4);
}

}

新增动画管理类
frameworks/base/packages/apps/SystemUI/src/com/android/systemui/charging/WiredChargingAnimation.java

package com.android.systemui.charging;

import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.Context;
import android.graphics.PixelFormat;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import android.util.Slog;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.view.LayoutInflater;
import com.android.systemui.R;

public class WiredChargingAnimation {
public static final long DURATION = 3333; //显示的时间
private static final String TAG = "WiredChargingAnimation";
private static final boolean DEBUG = true || Log.isLoggable(TAG, Log.DEBUG);

private final WiredChargingView mCurrentWirelessChargingView;
private static WiredChargingView mPreviousWirelessChargingView;
private static boolean mShowingWiredChargingAnimation;

public static boolean isShowingWiredChargingAnimation(){
    return mShowingWiredChargingAnimation;
}

public WiredChargingAnimation(@NonNull Context context, @Nullable Looper looper, int
        batteryLevel,  boolean isDozing) {
    mCurrentWirelessChargingView = new WiredChargingView(context, looper,
            batteryLevel, isDozing);
}

public static WiredChargingAnimation makeWiredChargingAnimation(@NonNull Context context,
        @Nullable Looper looper, int batteryLevel, boolean isDozing) {
    mShowingWiredChargingAnimation = true;
    android.util.Log.d(TAG,"makeWiredChargingAnimation batteryLevel="+batteryLevel);
    return new WiredChargingAnimation(context, looper, batteryLevel, isDozing);
}

/**
 * Show the view for the specified duration.
 */
public void show() {
    if (mCurrentWirelessChargingView == null ||
            mCurrentWirelessChargingView.mNextView == null) {
        throw new RuntimeException("setView must have been called");
    }

    /*if (mPreviousWirelessChargingView != null) {
        mPreviousWirelessChargingView.hide(0);
    }*/

    mPreviousWirelessChargingView = mCurrentWirelessChargingView;
    mCurrentWirelessChargingView.show();
    mCurrentWirelessChargingView.hide(DURATION);
}

private static class WiredChargingView {
    private static final int SHOW = 0;
    private static final int HIDE = 1;

    private final WindowManager.LayoutParams mParams = new WindowManager.LayoutParams();
    private final Handler mHandler;

    private int mGravity;
    private View mView;
    private View mNextView;
    private WindowManager mWM;

    public WiredChargingView(Context context, @Nullable Looper looper, int batteryLevel, boolean isDozing) {
        //mNextView = new WirelessChargingLayout(context, batteryLevel, isDozing);
        mNextView = LayoutInflater.from(context).inflate(R.layout.wired_charging_layout, null, false);
        BubbleViscosity shcyBubbleViscosity = mNextView.findViewById(R.id.shcy_bubble_view);
        shcyBubbleViscosity.setBatteryLevel(batteryLevel+"");

        mGravity = Gravity.CENTER_HORIZONTAL | Gravity.CENTER;

        final WindowManager.LayoutParams params = mParams;
        params.height = WindowManager.LayoutParams.MATCH_PARENT;
        params.width = WindowManager.LayoutParams.MATCH_PARENT;
        params.format = PixelFormat.TRANSLUCENT;

        params.type = WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG;
        params.setTitle("Charging Animation");
        params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
                | WindowManager.LayoutParams.FLAG_DIM_BEHIND;

        params.dimAmount = .3f;

        if (looper == null) {
            // Use Looper.myLooper() if looper is not specified.
            looper = Looper.myLooper();
            if (looper == null) {
                throw new RuntimeException(
                        "Can't display wireless animation on a thread that has not called "
                                + "Looper.prepare()");
            }
        }

        mHandler = new Handler(looper, null) {
            @Override
            public void handleMessage(Message msg) {
                switch (msg.what) {
                    case SHOW: {
                        handleShow();
                        break;
                    }
                    case HIDE: {
                        handleHide();
                        // Don't do this in handleHide() because it is also invoked by
                        // handleShow()
                        mNextView = null;
                        mShowingWiredChargingAnimation = false;
                        break;
                    }
                }
            }
        };
    }

    public void show() {
        if (DEBUG) Slog.d(TAG, "SHOW: " + this);
        mHandler.obtainMessage(SHOW).sendToTarget();
    }

    public void hide(long duration) {
        mHandler.removeMessages(HIDE);

        if (DEBUG) Slog.d(TAG, "HIDE: " + this);
        mHandler.sendMessageDelayed(Message.obtain(mHandler, HIDE), duration);
    }

    private void handleShow() {
        if (DEBUG) {
            Slog.d(TAG, "HANDLE SHOW: " + this + " mView=" + mView + " mNextView="
                    + mNextView);
        }

        if (mView != mNextView) {
            // remove the old view if necessary
            handleHide();
            mView = mNextView;
            Context context = mView.getContext().getApplicationContext();
            String packageName = mView.getContext().getOpPackageName();
            if (context == null) {
                context = mView.getContext();
            }
            mWM = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
            mParams.packageName = packageName;
            mParams.hideTimeoutMilliseconds = DURATION;

            if (mView.getParent() != null) {
                if (DEBUG) Slog.d(TAG, "REMOVE! " + mView + " in " + this);
                mWM.removeView(mView);
            }
            if (DEBUG) Slog.d(TAG, "ADD! " + mView + " in " + this);

            try {
                mWM.addView(mView, mParams);
            } catch (WindowManager.BadTokenException e) {
                Slog.d(TAG, "Unable to add wireless charging view. " + e);
            }
        }
    }

    private void handleHide() {
        if (DEBUG) Slog.d(TAG, "HANDLE HIDE: " + this + " mView=" + mView);
        if (mView != null) {
            if (mView.getParent() != null) {
                if (DEBUG) Slog.d(TAG, "REMOVE! " + mView + " in " + this);
                mWM.removeViewImmediate(mView);
            }

            mView = null;
        }
    }
}

}

电源插入时且在锁屏下显示气泡动画

vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

//cczheng add for hw charge start 
import com.android.systemui.charging.WiredChargingAnimation;
//cczheng add for hw charge end

		mBatteryController.addCallback(new BatteryStateChangeCallback() {
            @Override
            public void onPowerSaveChanged(boolean isPowerSave) {
                mHandler.post(mCheckBarModes);
                if (mDozeServiceHost != null) {
                    mDozeServiceHost.firePowerSaveChanged(isPowerSave);
                }
            }

            @Override
            public void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {
                // noop
                 //cczheng add for hw charge start    
                 //充电开始
                boolean isShowing = WiredChargingAnimation.isShowingWiredChargingAnimation();
                android.util.Log.d("WiredChargingAnimation","level="+level+" charging="+charging+" isShowing="+isShowing);
                if (!isShowing && charging && mState == StatusBarState.KEYGUARD) {
                    WiredChargingAnimation.makeWiredChargingAnimation(mContext, null,
                            level, false).show();
                }
                //cczheng add for hw charge end
            }
        });



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