Java 如何为每个文本视图显示一次淡入动画和倒计时?

Java 如何为每个文本视图显示一次淡入动画和倒计时?,java,android,animation,textview,countdowntimer,Java,Android,Animation,Textview,Countdowntimer,我正在用Android Studio制作一个基于文本的游戏。 这是一项活动: public class MainActivity extends Activity { @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final Text

我正在用Android Studio制作一个基于文本的游戏。 这是一项活动:

public class MainActivity extends Activity {

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

    final TextView txt1 = (TextView)findViewById(R.id.textView5);
    final TextView txt3 = (TextView)findViewById(R.id.textView6);
    final TextView txt2 = (TextView)findViewById(R.id.textView7);
    final TextView txt4 = (TextView)findViewById(R.id.textView8);

    final ImageView img1 = (ImageView)findViewById(R.id.imageView2);

    new CountDownTimer(2000, 1000) {
        @Override
        public void onTick(long millisUntilFinished) {}

        @Override
        public void onFinish() {
            Animation fadeIn = AnimationUtils.loadAnimation(GameActivity.this, R.anim.fadein);
            txt1.startAnimation(fadeIn);

            Animation fadeIn2 = AnimationUtils.loadAnimation(GameActivity.this, R.anim.fadein);
            txt2.startAnimation(fadeIn2);

            txt1.setText("Text");
            txt1.setVisibility(View.VISIBLE);
            txt2.setText("Text");
            txt2.setVisibility(View.VISIBLE);

        }
    }.start();

    new CountDownTimer(5000, 1000){
        @Override
        public void onTick(long millisUntilFinished){}

        @Override
        public void onFinish(){
            Animation fadeIn_img = AnimationUtils.loadAnimation(GameActivity.this, R.anim.fadein);
            img1.startAnimation(fadeIn_img);

            Animation fadeIn = AnimationUtils.loadAnimation(GameActivity.this, R.anim.fadein);
            txt3.startAnimation(fadeIn);

            Animation fadeIn2 = AnimationUtils.loadAnimation(GameActivity.this, R.anim.fadein);
            txt4.startAnimation(fadeIn2);

            img1.setImageResource(R.drawable.img);
            txt3.setText("Text");
            txt3.setVisibility(View.VISIBLE);
            txt4.setText("Text");
            txt4.setVisibility(View.VISIBLE);

        }
    }.start();
我希望动画和倒计时只为每个textview工作一次。当我重新启动游戏时,文本视图必须不显示任何内容。 它就像一个文本视图列表,每2秒连续显示一次。当用户关闭然后重新启动应用程序时,他必须找到他已完成的状态。 我该怎么做


谢谢。

看起来像是晕倒了,对吗?这里有一个例子

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout; 
import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    LinearLayout Container;
    ArrayList<View> textList = new ArrayList<>();

    int count = 0;

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

        Container = (LinearLayout) findViewById(R.id.Container);

        for (int i = 0; i < Container.getChildCount(); i++) {
            textList.add(Container.getChildAt(i));
        }

        fadeView(textList.get(0));
    }

    private void fadeView(final View view) { 
        final Animation anim = AnimationUtils.loadAnimation(this, R.anim.fadein);
        count++;

        anim.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) { }

            @Override
            public void onAnimationEnd(Animation animation) {
                if (count == textList.size()) return;
                fadeView(textList.get(count));
            }

            @Override
            public void onAnimationRepeat(Animation animation) { }
        });

        view.startAnimation(anim);
    }  
}
导入android.support.v7.app.app活动;
导入android.os.Bundle;
导入android.view.view;
导入android.view.animation.animation;
导入android.view.animation.AnimationUtils;
导入android.widget.LinearLayout;
导入java.util.ArrayList;
公共类MainActivity扩展了AppCompatActivity{
线性布局集装箱;
ArrayList textList=新建ArrayList();
整数计数=0;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
容器=(线性布局)findViewById(R.id.Container);
对于(int i=0;i
fadein.xml

<?xml version="1.0" encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
  android:duration="1000"
  android:fromAlpha="1.0"
  android:repeatCount="0"
  android:toAlpha="0.0" />

XML:

<?xml version="1.0" encoding="utf-8"?>


只需确保将所有视图(在本例中为TextView)放在一个数组中,以使其干净、正确。
希望能有帮助。为快乐的编码干杯

谢谢,你的代码更好。你知道我怎样才能挽救这场比赛吗?因为当我关闭并重新启动应用程序时,TextView总是重新启动。提前感谢。您可以搜索首选项或SQLite。你可以从这里开始阅读
<LinearLayout android:id="@+id/Container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="This is first"
        android:textSize="25dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="This is second"
        android:textSize="25dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="This is third"
        android:textSize="30dp" />

</LinearLayout>