安卓转场动画、共享元素动画、Pair数据结构

需要注意的事，转场动画需要安卓系统大于等于5.0以上，可用

    Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP

进行判断

动画效果如下：

public class MainActivity extends AppCompatActivity {

    private ImageView imageView;
    private String url = "https://travel.12306.cn/imgs/resources/uploadfiles/images/a9b9c76d-36ba-4e4a-8e02-9e6a1a991da0_news_W540_H300.jpg";
    private String elementName = "elementName";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        imageView = (ImageView) findViewById(R.id.iv);
        Glide.with(this).load(url).into(imageView);
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this, AnotherActivity.class);
                intent.putExtra("urls", url);
                intent.putExtra("elementName", elementName);
                ActivityOptionsCompat optionsCompat = ActivityOptionsCompat.makeSceneTransitionAnimation(MainActivity.this, imageView, elementName);
                startActivity(intent, optionsCompat.toBundle());
            }
        });
    }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <ImageView
        android:id="@+id/iv"
        android:layout_width="100dp"
        android:layout_height="100dp" />

    <TextView
        android:layout_width="match_parent"
        android:text="安卓转场动画、共享元素动画、Pair数据结构"
        android:gravity="center"
        android:layout_height="match_parent" />
</LinearLayout>

public class AnotherActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_another);
        ImageView imageView = (ImageView) findViewById(R.id.iv);
//        传递图片的链接
        String url = getIntent().getStringExtra("urls");
//        接收共享元素动画参数
        String elementName = getIntent().getStringExtra("elementName");
//        设置共享元素动画参数
        imageView.setTransitionName(elementName);
        Glide.with(this).load(url).into(imageView);
    }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <ImageView
        android:layout_width="match_parent"
        android:id="@+id/iv"
        android:layout_height="200dp" />

    <TextView
        android:layout_width="match_parent"
        android:text="我是Another界面"
        android:gravity="center"
        android:layout_height="match_parent" />
</LinearLayout>