BangDingCode.java
1.66 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
package com.hjx.personalcenter.activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.DisplayMetrics;
import android.widget.ImageView;
import android.widget.LinearLayout;
import com.hjx.personalcenter.R;
import com.hjx.personalcenter.util.FileUtil;
import com.hjx.personalcenter.util.QRCodeUtil;
import java.io.File;
/**
* Created by h on 2017/8/31.
*/
public class BangDingCode extends AppCompatActivity {
private ImageView EQpicture;
File file;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_binding_code);
EQpicture = (ImageView) findViewById(R.id.EQpicture);
EQPicture();
}
public void EQPicture() {
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int screenHeight = dm.heightPixels;//屏幕高度
//设置二维码外布局占屏幕高宽
LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) EQpicture.getLayoutParams();
layoutParams.width = screenHeight * 17 / 30;
layoutParams.height = screenHeight * 19 / 30;
EQpicture.setLayoutParams(layoutParams);
//生成占屏幕一定比例 的二维码存储在本地并显示
file = new File(FileUtil.getCachePath(this), "user-code.jpg");
Bitmap bitmap = QRCodeUtil.createQRImage("www.baidu.com", screenHeight * 15 / 30, screenHeight * 15 / 30, null, file.getPath());
if (bitmap != null) {
EQpicture.setImageBitmap(bitmap);
}
}
}