Java 启动屏幕后无法重定向
我已经设置了一个启动屏幕,我希望它在5秒后重定向到我的主要活动,但我的应用程序始终停留在启动屏幕上,从不重定向 我的Java 启动屏幕后无法重定向,java,android,multithreading,Java,Android,Multithreading,我已经设置了一个启动屏幕,我希望它在5秒后重定向到我的主要活动,但我的应用程序始终停留在启动屏幕上,从不重定向 我的SplashActivity.Java中有以下代码 public class SplashActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
SplashActivity.Java中有以下代码
public class SplashActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.SplashActivity);
Thread timer = new Thread() {
public void run() {
try {
// sleep(R.integer.SplashActivityTime);
sleep(5000);
} catch (InterruptedException iEx) {
iEx.printStackTrace();
} finally {
Intent mainActivity = new Intent(
"com.myApp.myApp.MainActivity");
startActivity(mainActivity);
}
}
};
timer.start();
}
}
在清单中
我有:
<activity
android:name="com.myApp.myApp.SplashActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.myApp.myApp.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="com.myApp.myApp.MainActivity" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
更改您的意图:
Intent mainActivity = new Intent(this, MainActivity.class);
此外,哪个类是sleep
方法的所有者?在清单文件中删除主活动活动的意图过滤器
以及实现启动屏幕的最佳方法
和起始意图线更改为
Intent mainActivity = new Intent(SplashActivity .this, MainActivity.class);
使用以下代码
Thread logoTimer = new Thread()
{
@Override
public void run()
{
try
{
sleep(3000);
startActivity(new Intent(SplashActivity.this, MainActivity.class));
}//End of try block
catch (InterruptedException e)
{
e.printStackTrace();
}//End of catch block
finally
{
finish();
}//End of finally block
}//End of run method
};//End of anonymous thread inner class
logoTimer.start();
在清单中
<activity
android:name="com.myApp.myApp.SplashActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.myApp.myApp.MainActivity"
android:label="@string/app_name" >
</activity>
也许可以试试这个:
公共课splashscreen扩展活动{
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash); // Your Splash Layout
Handler handler = new Handler();
// run a thread
handler.postDelayed(new Runnable() {
public void run() {
// make sure we close the splash screen so the user won't come back when it presses back key
finish();
// start the home screen
Intent intent = new Intent(splashscreen.this, TabDemo2Activity.class);
splashscreen.this.startActivity(intent);
}
}, 5000); // time in milliseconds (1 second = 1000 milliseconds) until the run() method will be called
}
}
使用如下的处理程序,这是我的工作
Handler=newhandler()
使用此代码
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Thread timer = new Thread() {
public void run() {
try {
// sleep(R.integer.SplashActivityTime);
sleep(5000);
} catch (InterruptedException iEx) {
iEx.printStackTrace();
} finally {
Intent mainActivity = new Intent(MainActivity.this,
SecondActivity.class);
startActivity(mainActivity);
finish();
}
}
};
timer.start();
}
而且在舱单上
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.sample.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.sample.SecondActivity"
android:label="@string/app_name" >
</activity>
</application>
您是否尝试在intent中使用MainActivity.class?startActivity(新intent(getApplicationContext(),com.myApp.myApp.MainActivity.class));
在下面的链接中查看我的答案,它可能会帮助您。。。。。
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.sample.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.sample.SecondActivity"
android:label="@string/app_name" >
</activity>
</application>