Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.graphics.Point;
import android.hardware.Camera;
import android.util.Log;

import java.util.List;

public class Main {
    private static final String TAG = "RxCamera.CameraUtil";

    public static Camera.Size findClosetPreviewSize(Camera camera, Point preferSize) {
        int preferX = preferSize.x;
        int preferY = preferSize.y;
        Camera.Parameters parameters = camera.getParameters();
        List<Camera.Size> allSupportSizes = parameters.getSupportedPreviewSizes();
        Log.d(TAG, "all support preview size: " + dumpPreviewSizeList(allSupportSizes));
        int minDiff = Integer.MAX_VALUE;
        int index = 0;
        for (int i = 0; i < allSupportSizes.size(); i++) {
            Camera.Size size = allSupportSizes.get(i);
            int x = size.width;
            int y = size.height;

            int diff = Math.abs(x - preferX) + Math.abs(y - preferY);
            if (diff < minDiff) {
                minDiff = diff;
                index = i;
            }
        }

        Camera.Size size = allSupportSizes.get(index);
        return size;
    }

    private static String dumpPreviewSizeList(List<Camera.Size> sizes) {
        String result = "";
        for (Camera.Size size : sizes) {
            result += "(" + size.width + "," + size.height + ") ";
        }
        return result;
    }
}