Java 如何为每个文本视图显示一次淡入动画和倒计时?
我正在用Android Studio制作一个基于文本的游戏。 这是一项活动: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
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>