擷取螢幕寬度，將view移出螢幕再移動回來

標籤：span   寬度   width   tor   contex   nim   err   ppc   protected   

public class MainActivity extends AppCompatActivity {   private TextView kuandu;    float curTranslationX;    float width;    float height;    private Button out;    private Button in;　　 private View view;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        kuandu = (TextView) findViewById(R.id.kuandu);        out = (Button) findViewById(R.id.out);        in = (Button) findViewById(R.id.in);        view =  findViewById(R.id.view);        out.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                goOut();            }        });        in.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                goIn();            }        });        WindowManager manager = this.getWindowManager();        DisplayMetrics outMetrics = new DisplayMetrics();        manager.getDefaultDisplay().getMetrics(outMetrics);        width = outMetrics.widthPixels;        height = outMetrics.heightPixels;        kuandu.setText("寬度是：" +width+ ",高度是" + height);    }    private void goOut() {        curTranslationX = view.getTranslationX();        ObjectAnimator animator = ObjectAnimator.ofFloat(view, "translationX", curTranslationX, width);        animator.setDuration(1000);        animator.start();    }    private void goIn() {        curTranslationX = view.getTranslationX();        ObjectAnimator animator = ObjectAnimator.ofFloat(view, "translationX", curTranslationX, 0);        animator.setDuration(1000);        animator.start();    }}

<?xml version="1.0" encoding="utf-8"?><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="com.example.laoyimou.imagetest.MainActivity">    <Button        android:id="@+id/out"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="out" />    <Button        android:id="@+id/in"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="in" />    <TextView        android:id="@+id/kuandu"        android:layout_width="match_parent"        android:layout_height="wrap_content" />    <View        android:id="@+id/view"        android:layout_width="match_parent"        android:layout_height="80dp"        android:background="@color/colorPrimary" /></LinearLayout>

 

擷取螢幕寬度，將view移出螢幕再移動回來