启动画面应该只在安装应用时出现一次。
安卓 list
<activity android:name=".Splash"
android:noHistory="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
飞溅.java
public class Splash extends AppCompatActivity {
private static boolean splashLoaded = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (!splashLoaded) {
setContentView(R.layout.splash);
int secondsDelayed = 5;
new Handler().postDelayed(new Runnable() {
public void run() {
startActivity(new Intent(Splash.this, MainActivity.class));
finish();
}
}, secondsDelayed * 500);
splashLoaded = true;
}
else {
Intent goToMainActivity = new Intent(Splash.this, MainActivity.class);
goToMainActivity.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
startActivity(goToMainActivity);
finish();
}
}
}
但我的即使在我输入 android:noHistory="true"
后也不起作用
还有什么我应该补充的吗?
最佳答案
public class Splash extends AppCompatActivity {
private static boolean splashLoaded = false;
SharedPreferences prefs;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
prefs = PreferenceManager.getDefaultSharedPreferences(this);
splashLoaded = prefs.getBoolean("Splash_Loaded", false);
if (!splashLoaded) {
setContentView(R.layout.splash);
int secondsDelayed = 5;
new Handler().postDelayed(new Runnable() {
public void run() {
startActivity(new Intent(Splash.this, MainActivity.class));
finish();
}
}, secondsDelayed * 500);
splashLoaded = true;
SharedPreferences.Editor editor = prefs.edit();
editor.putBoolean("Splash_Loaded", true);
editor.apply();
} else {
Intent goToMainActivity = new Intent(Splash.this, MainActivity.class);
goToMainActivity.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
startActivity(goToMainActivity);
finish();
}
}
}
关于android - 闪屏显示不止一次,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38804746/