BangDingCode.java
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package com.hjx.personalcenter.activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
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 FragmentActivity {
private ImageView EQpicture;
private Button btn_next_tep;
File file;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_binding_code);
SysApplication.getInstance().addActivity(this);
EQpicture = (ImageView) findViewById(R.id.EQpicture);
btn_next_tep = (Button) findViewById(R.id.btn_next_tep);
btn_next_tep.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setClass(BangDingCode.this, TheStartPageActivity.class);
startActivity(intent);
overridePendingTransition(R.anim.rightin, R.anim.rightout);
}
});
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 * 15 / 30;
layoutParams.height = screenHeight * 17 / 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);
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
return true;
}
return super.onKeyDown(keyCode, event);
}
}