图片测试小程序1

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res.color

<?xml version="1.0" encoding="utf-8"?><resources>    <color name="colorPrimary">#3F51B5</color>    <color name="colorPrimaryDark">#303F9F</color>    <color name="colorAccent">#FF4081</color></resources>

java代码

package com.example.imgtest;

import android.graphics.drawable.Drawable;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.view.menu.MenuView;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {
private ImageView iv;

@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);   iv= (ImageView) findViewById(R.id.imgdy);    //获取图片   Drawable drawable= ContextCompat.getDrawable(this,R.drawable.qrj);    iv.setImageDrawable(drawable);}

}

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