droid kaigi memo

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:id="@+id/root_layout"
                xmlns:android="http://schemas.android.com/apk/res/android"
                xmlns:tools="http://schemas.android.com/tools"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                tools:context=".MainActivity" >

    <ImageView
        android:id="@+id/main_image"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:layout_alignParentTop="true"
        android:layout_centerInParent="true" />

</RelativeLayout>

DetailedImageActivity.java

public class DetailedImageActivity extends AppCompatActivity {

    static final String IMAGE_URL = "imageUrl";

    public static void launchActivity(Context context, String imageUrl) {
        Intent intent = new Intent(context, ImageDetailActivity.class);
        intent.putExtra(IMAGE_URL, imageUrl);
        context.startActivity(intent);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getSupportActionBar().hide();
        setContentView(R.layout.activity_detailed_image);
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

        Intent intent = getIntent();
        String imageUrl = intent.getStringExtra(IMAGE_URL);

        ImageView imageView = new ImageView(this);
        Picasso.with(this).load(imageUrl).into(imageView);

        FrameLayout frameLayout = (FrameLayout) findViewById(R.id.image_detail_layout);
        frameLayout.addView(imageView);
    }
}

MainActivity.java

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ImageView mainImage = (ImageView) findViewById(R.id.main_image);

        final String imageUrl = "https://raw.githubusercontent.com/mapyo/sample/master/image/nyannyan.png";
        Picasso.with(this).load(imageUrl).into(mainImage);

        mainImage.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                ImageDetailActivity.launchActivity(v.getContext(), imageUrl);
            }
        });
    }
}

others.md

    compile 'com.squareup.picasso:picasso:2.5.2'

    <uses-permission android:name="android.permission.INTERNET"/>