实现了双屏摄像头显示，添加了部分代码

2025-07-31 11:40:56 +08:00
parent 56e0a85a4c
commit de4c5f1c75
86 changed files with 3446 additions and 809 deletions
@@ -0,0 +1,129 @@
+package com.sw.dualscreen.view;
+
+import android.animation.ValueAnimator;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.ViewGroup;
+import android.view.animation.AlphaAnimation;
+
+import com.sw.plate.utils.AppUtil;
+
+public class CustomImageView extends androidx.appcompat.widget.AppCompatImageView {
+    private AlphaAnimation alphaAnimation;
+    private String textToDraw;
+    private Paint mPaint;
+    private int mTextSize = dpToPixels(26);
+
+    private boolean isDrawText = false;
+
+    public CustomImageView(Context context) {
+        super(context);
+        init();
+    }
+
+    public CustomImageView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public CustomImageView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    private void init() {
+        textToDraw = "超标";
+        mPaint = new Paint();//Paint.ANTI_ALIAS_FLAG
+        mPaint.setColor(Color.WHITE); // Set your desired color
+        mPaint.setTextSize(mTextSize); // Set your desired text size
+        mPaint.setAntiAlias(true);
+
+//        Typeface typeface = getResources().getFont(R.font.dakai);
+//        Typeface typeface = Typeface.create(Typeface.createFromAsset(getContext().getAssets(), "fonts/dakai.TTF"),
+//                Typeface.BOLD); // 创建Typeface
+//        mPaint.setTypeface(typeface); // 设置Paint的Typeface
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        if (isDrawText) {
+            Rect mBounds = new Rect();
+            mPaint.getTextBounds(textToDraw, 0, textToDraw.length(), mBounds);
+            mPaint.setShadowLayer(5, 2, 2, Color.GRAY);
+            float textWidth = mBounds.width();
+            Paint.FontMetricsInt fontMetrics = mPaint.getFontMetricsInt();
+            float fontHeight = fontMetrics.bottom - fontMetrics.top;
+            //设置文字居中
+            float textBaseY = getHeight() - (getHeight() - fontHeight) / 2 - fontMetrics.bottom;
+//            textBaseY = 26;
+            canvas.drawText(textToDraw, (getWidth() - textWidth) / 2, textBaseY, mPaint);
+        }
+    }
+
+    // 用于设置自定义高度的方法
+    public void setCustomHeight(int height, boolean isAnimation) {
+        ViewGroup.LayoutParams layoutParams = getLayoutParams();
+        int height1 = layoutParams.height;
+        if (height1 != height) {
+            if (isAnimation) {
+                ValueAnimator animator = ValueAnimator.ofInt(height1, height);
+                animator.addUpdateListener(animation -> {
+                    // 更新视图的高度
+                    int val = (Integer) animation.getAnimatedValue();
+                    ViewGroup.LayoutParams params = getLayoutParams();
+                    params.height = dpToPixels(val);
+                    setLayoutParams(params);
+                });
+                animator.setDuration(100); // 动画持续时间500毫秒
+                animator.start(); // 开始动画
+            } else {
+                if (layoutParams == null) {
+                    layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, height);
+                } else {
+                    layoutParams.height = dpToPixels(height);
+                }
+                setLayoutParams(layoutParams);
+            }
+
+        }
+    }
+
+    private boolean isStartAlphaAnimation = false;
+
+    public void startAlphaAnimation() {
+        if (!isStartAlphaAnimation) {
+            alphaAnimation = new AlphaAnimation(1.0f, 0.2f); // 从不透明渐变到完全透明
+            alphaAnimation.setDuration(420); // 设置动画持续时间，单位为毫秒
+            alphaAnimation.setRepeatCount(AlphaAnimation.INFINITE); // 设置动画重复次数为无限（可选）
+            startAnimation(alphaAnimation);
+            isStartAlphaAnimation = true;
+        }
+    }
+
+    public void cancelAlphaAnimation() {
+        if (alphaAnimation != null)
+            alphaAnimation.cancel();
+        isStartAlphaAnimation = false;
+    }
+
+    public void showText(String textToDraw) {
+        if (!AppUtil.isEmpty(textToDraw)) {
+            this.textToDraw = textToDraw;
+        }
+        isDrawText = true;
+    }
+
+    public void hideText() {
+        isDrawText = false;
+    }
+
+    private int dpToPixels(int dp) {
+        float scale = getResources().getDisplayMetrics().density;
+        return (int) (dp * scale + 0.5f);
+    }
+}