package cn.flightfeather.thirdapp.task;
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import android.app.Activity;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Matrix;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.support.annotation.RequiresApi;
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import android.widget.ImageView;
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import java.io.File;
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import cn.flightfeather.thirdapp.R;
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import cn.flightfeather.thirdapp.module.inspectioninfo.ProblemChangeDetailActivity;
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/**
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* Created by note_ff_1602 on 2017/10/26.
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* 设置图片的task
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*/
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public class SetImageTask extends AsyncTask {
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private File file;
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private ImageView miv_photo;
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private ProblemChangeDetailActivity activity;
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public SetImageTask(File file, ImageView miv_photo, Activity activity) {
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super();
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this.file = file;
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this.miv_photo = miv_photo;
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try {
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this.activity = (ProblemChangeDetailActivity) activity;
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public SetImageTask(File file, ImageView miv_photo) {
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super();
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this.file = file;
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this.miv_photo = miv_photo;
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}
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//压缩前先把图片设置为等待
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@Override
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protected void onPreExecute() {
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super.onPreExecute();
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miv_photo.setImageResource(R.drawable.icon_add_photo_waite);
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}
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//后台压缩图片
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@Override
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protected Object doInBackground(Object[] params) {
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inPreferredConfig = Bitmap.Config.RGB_565;
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Bitmap bm = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
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if (bm == null) return null;
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//压缩缩略图
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Matrix matrix = new Matrix();
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matrix.setScale(0.12f, 0.12f);
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//压缩缩略图
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Bitmap bmSmall = null;
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int normalSize = 100;
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int width,height =0;
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if (bm.getWidth()>=bm.getHeight()){
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width = normalSize;
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height = normalSize*bm.getHeight()/bm.getWidth();
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}else {
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height =normalSize;
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width = normalSize*bm.getWidth()/bm.getHeight();
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}
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if (bm!=null){
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bmSmall= Bitmap.createScaledBitmap(bm,width,height,true);
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// bmSmall= Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true);
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}
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return bmSmall;
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}
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@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
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@Override
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protected void onPostExecute(Object o) {
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super.onPostExecute(o);
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Bitmap bmSmall = (Bitmap) o;
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if (bmSmall!=null){
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miv_photo.setImageBitmap(bmSmall);
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// if (activity != null) {
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// activity.postponeEnterTransition();
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// }
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}
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}
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}
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