Java 启动屏幕赢得';不显示,只有空白
所以创建了闪屏png,把它放在可绘制的文件夹中(只创建了一个大小,以查看它在设备上的外观),但当应用程序启动时,它只是不显示,只显示白色屏幕 这里是splash.javaJava 启动屏幕赢得';不显示,只有空白,java,android,xml,splash-screen,Java,Android,Xml,Splash Screen,所以创建了闪屏png,把它放在可绘制的文件夹中(只创建了一个大小,以查看它在设备上的外观),但当应用程序启动时,它只是不显示,只显示白色屏幕 这里是splash.java public class Splash extends AppCompatActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
public class Splash extends AppCompatActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash_screen);
int secondsDelayed = 1;
new Handler().postDelayed(new Runnable() {
public void run() {
Intent intent = new Intent(Splash.this, AppLayoutMain.class);
startActivity(intent);
}
}, secondsDelayed * 1000);
}
}
下面是XML
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/imageView46"
android:background="@drawable/splashscreen"/>
</LinearLayout>
并表明
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name=".Splash"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".AppLayoutMain"/>
我做错了什么?您忘了用xml写这一行 xmlns:tools=”http://schemas.android.com/tools"
您忘了将这一行放在xml中 xmlns:tools=”http://schemas.android.com/tools"
将处理程序移动到onResume
@Override
protected void onResume() {
super.onResume();
new Handler().postDelayed(new Runnable() {
public void run() {
Intent intent = new Intent(Splash.this, AppLayoutMain.class);
startActivity(intent);
}
}, secondsDelayed * 1000);
}
还有xml中的变化
android:background="@drawable/splashscreen"
到
将处理程序移动到onResume
@Override
protected void onResume() {
super.onResume();
new Handler().postDelayed(new Runnable() {
public void run() {
Intent intent = new Intent(Splash.this, AppLayoutMain.class);
startActivity(intent);
}
}, secondsDelayed * 1000);
}
还有xml中的变化
android:background="@drawable/splashscreen"
到
试试看
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash_screen);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
nextActivity();
}
}, 3000);
}
private void nextActivity() {
Intent intent = new Intent(this, AppLayoutMain.class);
startActivity(intent);
}
试试看
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash_screen);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
nextActivity();
}
}, 3000);
}
private void nextActivity() {
Intent intent = new Intent(this, AppLayoutMain.class);
startActivity(intent);
}
在应用程序中?是的,应用程序中没有?是的,它确实增加了持续时间。尝试增加持续时间。这是android开发人员建议的趋势(:,但我更喜欢老派。我喜欢品牌发布,但它不会在屏幕上停留太久,因为这是android开发人员建议的趋势(:,但我更喜欢老派。我喜欢品牌发布,但它在屏幕上停留的时间不够长