我目前正在开发一款Android应用程序。刚开始时,我能够实现我的启动画面。然而,我不喜欢它和主要活动之间的过渡效果。我希望启动画面淡出,主要活动淡入。由于我在两者中都使用了相同的背景图片,所以它们看起来像是融合在一起。我做了一些研究,但还没有找到正确的答案。下面是我的代码:
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.MotionEvent;
public class Splash_screen extends Activity {
private Thread mSplashThread;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash_layout);
final Splash_screen sPlashScreen = this;
mSplashThread = new Thread(){
@Override
public void run(){
try {
synchronized(this){
wait(3000);
}
}
catch(InterruptedException ex){
}
finish();
Intent intent = new Intent();
intent.setClass(sPlashScreen, MainActivity.class);
startActivity(intent);
}
};
mSplashThread.start();
}
@Override
public boolean onTouchEvent(MotionEvent evt)
{
if(evt.getAction() == MotionEvent.ACTION_DOWN)
{
synchronized(mSplashThread){
mSplashThread.notifyAll();
}
}
return true;
}
}
MainActivity class
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.app.Activity;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
可以随意删除与此任务无关的任何类或文件。 谢谢