I've created a splash screen, and it works pretty fine at first, but after that, it shows me a white blank screen instead of my splash screen image file. I've no idea why that happens.
I tried to change my style.xml parent theme, but some of the themes crash my app, and only Theme.AppCompat.Light.NoActionBar works and gives me a blank white screen.
styles.xml
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
</style>
Splash.java
public class Splash extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Thread ssThread = new Thread(){
#Override
public void run() {
try {
sleep(3000);
Intent startMainScreen = new Intent(getApplicationContext(),MainActivity.class);
startActivity(startMainScreen);
finish();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
};
ssThread.start();
}
}
Screen sequence, thread sleep time, and everything else works fine except that the image is not showing.
In your onCreate method, you forgot to add setContentView(R.layout.splash);
You need to add setContentView to your onCreate method.
public class Splash extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/*
*add setContentView here after super.onCreate( )
*/
setContentView( R.layout.splash_layout);
Thread ssThread = new Thread(){
#Override
public void run() {
try {
sleep(3000);
Intent startMainScreen = new Intent(getApplicationContext(),MainActivity.class);
startActivity(startMainScreen);
finish();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
};
ssThread.start();
}
}
YOU MISSING setContentView(R.layout.YOUR_XML_NAME);
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.xxxx);
/****** Create Thread that will sleep for 3 seconds *************/
Thread background = new Thread() {
public void run() {
try {
// Thread will sleep for 3 seconds
sleep(3*1000);
// After 5 seconds redirect to another intent
Intent startMainScreen = new Intent(getApplicationContext(),MainActivity.class);
startActivity(startMainScreen);
//Remove activity
finish();
} catch (Exception e) {
}
}
};
// start thread
background.start();
}
#Override
protected void onDestroy() {
super.onDestroy();
}
}
instead of using thread and sleep function use Handler , and do some thing like this :
setContentView(R.layout.splash_screen);
int interval = 3000; // 3 second
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
Intent intent = new Intent(SplashScreen.this, MainActivity.class);
startActivity(intent);
finish();
}
}, interval);
You have to set Layout in onCreate method of Splash activity like:
setContentView(R.layout.splash);
Related
I have created the android application with tabhost. In this application, I am having the 4 tabs and each one contains their separate webview. For this application, I want to add SplashScreen for the application before the tab bar's webview is loaded. How can I achieve this?
Create a different activity to show the splash which will be your launcher activity. After launching you can start the tabhost from this activity
Try this
public class SplashScreen extends Activity {
// time for splashscreen
protected int _splashTime = 5000;
private Thread splashTread;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash);
final SplashScreen sPlashScreen = this;
// thread for displaying the SplashScreen
splashTread = new Thread() {
#Override
public void run() {
try {
synchronized (this) {
// wait 5 sec
wait(_splashTime);
}
} catch (InterruptedException e) {
} finally {
// Go to Main activity
Intent i = new Intent();
i.setClass(sPlashScreen, MainActivity.class);
startActivity(i);
finish();
}
}
};
splashTread.start();
}
}
Hope it helps.
My app has the following Activities:
DashboardActivity
SplashActivity
MainActivity
This how the flow is required:
The dash board has a button that starts up the MainActivity. The onCreate() method of the main activity checks if a user-profile was previously created, if yes, then it starts normally (this is fast, no GUI delay).
If no user-profile is found, then it's required to display a splash screen having instructions/how-to for the mainActivity, meanwhile the onCreate() of the main activity creates a new user-profile file(slow and GUI blocking).
What I'm currently see is the splash/instructions showing delayed after the slow user-profile creation ends.
Here is a code snippet from MainActivity.
private void showUsage(){
Thread splashTread = new Thread() {
public void run() {
try {
Intent instructionIntent = new Intent(MainActivity.this,
InstructionsActivity.class);
startActivity(instructionIntent);
} catch (Exception e) {
e.printStackTrace();
}
}
};
splashTread.start();
}
#Override //MainActivity
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
if (!IsProfileExists()){
showUsage();
try{
createUserProfile(); //slow!
} catch (Exception e) { }
}
/*Continue with MainActivity*/
}
The Splash dismisses itself by a click:
public class InstructionsActivity extends Activity {
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.instructions_layout);
ImageView instructions = (ImageView) findViewById(R.id.ivInstructions);
instructions.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
finish();
}
});
}
}
The problem:
The Instructions Activity (splash) shows after the GUI gets block from the MainActivity onCreate().
Any clues?
Do the condition check (IsProfileExists()) from dashBoardActivity and call the Splash activity if profile doesn't exist.
This code of mine is not working... I have checked all the links on this site and also tried animation listener but still its not working.
public class SplashScreenPage extends Activity implements Runnable{
Thread splash;
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash_screen_page_layout);
splash = new Thread(this);
splash.start();
}
#SuppressWarnings("static-access")
#Override
public void run() {
try {
splash.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
Intent intent = new Intent(SplashScreenPage.this,LoginPage.class);
startActivity(intent);
finish();
SplashScreenPage.this.overridePendingTransition(android.R.anim.slide_in_left, android.R.anim.slide_out_right);
}
#Override
protected void onPause() {
overridePendingTransition(R.anim.slide_in_right, R.anim.slide_out_left);
super.onPause();
}
}
The problem is with your device's default settings. Go to settings > display > animation > allow "all animations". This will allow overridePendingTransition to work properly.
The problem I see is that you're using your animation in a different Thread of the main thread. That main thread is also known as the UI Thread. So, you need to get back to that UI Thread. This should work (I use overridePendingTransition(0, 0) to remove any animation, you can experiment with others:
public class SplashActivity extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.activity_splash);
presentLogo();
}
/** Called to present the Splash image for an amount of time */
private void presentLogo() {
final SplashActivity splashActivity = this;
new Thread() {
public void run() {
synchronized (splashActivity) {
try {
sleep(Constants.SPLASH_PRESENTATION_DURATION);
} catch (InterruptedException e) {
} finally {
runOnUiThread(new Runnable() {
public void run() {
finish();
overridePendingTransition(0, 0);
// After splash, go to the new activity
Intent intent = new Intent();
intent.setClass(splashActivity, LoginActivity.class);
startActivity(intent);
}
});
}
}
}
}.start();
}
}
Try this:
Intent intent = new Intent(SplashScreenPage.this,LoginPage.class);
startActivity(intent);
finish();
overridePendingTransition(R.anim.slide_in_left, R.anim.slide_out_right);
I made a splash image to show at the start of my activity..
The image show perfectly.But the problem is when i call this
public class SplashImageActivity extends Activity {
protected boolean active = true;
protected int splashTime = 5000; // time to display the splash screen in ms
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash);
// thread for displaying the SplashScreen
Thread splashTread = new Thread() {
#Override
public void run() {
try {
int waited = 0;
while(active && (waited < splashTime)) {
sleep(100);
if(active) {
waited += 100;
}
}
} catch(InterruptedException e) {
// do nothing
} finally {
startActivity(new Intent(SplashImageActivity.this,Myapps.class));
finish();
//startActivity(new Intent("com.splash.com.MyApps"));
//startActivity( new Intent(getApplicationContext(), Myapps.class));
}
}
};
splashTread.start();
}
#Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
active = false;
}
return true;
}
}
go for next activity the stop() does not work. And it does not go to this activity. I add all activity in manifest. The stop() shows in code like this
what's the problem?
No need to call stop() and call finish() after starting activity
finally
{
startActivity(new Intent(currentclass.this,nextActivity.class);
finish();
}
I use thread to show the Splash screen, and it works for me:
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash);
mSplashThread = new Thread(){
#Override
public void run(){
try {
synchronized(this){
wait(4000);
}
}catch(InterruptedException ex){
}
finish();
Intent i=new Intent(getApplicationContext(),NextActivity.class);
startActivity(i);
interrupt();
}
};
mSplashThread.start();
}
Please try below code..
public class Splashscreen extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Thread t2 = new Thread() {
public void run() {
try {
sleep(2000);
startActivity( new Intent(getApplicationContext(), Exercise.class));
finish();
} catch (Exception e) {
e.printStackTrace();
}
}
};
t2.start();
}
}
No need to call stop() just call finish() after starting activity
finally {
startActivity(new Intent(currentclass.this,nextActivity.class);
finish();
}
You can also use handler an postdelayed() to make a splash screen like below
public class SplashScreenActivity extends Activity{
private Handler handler;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash_screen);
final Runnable runnable = new Runnable() {
#Override
public void run() {
Intent intent=new Intent(SplashScreenActivity.this, nextActivity.class);
startActivity(intent);
finish();
}
};
handler = new Handler();
handler.postDelayed(runnable, 5000);
}
}
You will show your splash screen for 5 seconds and then move to next Activity
first thing it is not onStop of Activity so looks you are calling stop function of thread which is Deprecated that's why you are getting the strike line so use other way to stop the thread of use better way to implement the splash ........
as looks you try some thing like this link
Am I doing it right?
I have a Splash screen (just an image), and onCreate() I start the main activity after running a heavy function:
SPLASH_DISPLAY_LENGHT=2500;
new Handler().postDelayed(new Runnable(){
public void run() {
LONG_OPERATING_FUNCTION();
Intent mainIntent = new Intent(this, MainActivity.class);
Splash.this.startActivity(mainIntent);
Splash.this.finish();
}
}, SPLASH_DISPLAY_LENGHT);
I think I have a memory leak, and I'm trying to find it.
I don't think the Splash really is finishing.
LONG_OPERATING_FUNCTION() should not be done on the main application thread, as you have it here.
Ideally, you do not use a splash screen, but rather only enable selected features of MainActivity while do your LONG_OPERATING_FUNCTION() in an AsyncTask or something.
If somebody is pointing a gun at your head and forcing you to implement a splash screen lest it be your brains that get, er, splashed, I would do this:
Eliminate your Handler and postDelayed() call
Replace that with an AsyncTask
In doInBackground() of AsyncTask, do your LONG_OPERATING_FUNCTION()
If, when LONG_OPERATING_FUNCTION() is done, SPLASH_DISPLAY_LENGHT [sic] time has not elapsed, use SystemClock.sleep() to sleep for the remaining time (or not)
In onPostExecute(), start MainActivity and call finish()
#Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
openingSound = MediaPlayer.create(Splash.this, R.raw.applause);
openingSound.start();
setContentView(R.layout.firstanimal);
Thread timer = new Thread(){
public void run(){
try{
sleep(5000);
} catch (InterruptedException e){
e.printStackTrace();
}finally{
Intent openingSplash = new Intent("com.softech.LearnAnimal1.STARTINGPOINT");
startActivity(openingSplash);
}
}
};
timer.start();
}
#Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
openingSound.release();
finish();
}
This is a complete java code in this u'll have openingSound with 5 seconds break and then u it'll move on your menu or second activity but remeber one thing u also have to put activity with intent filters in your manifest :)
Enjoy :)
Intent intent = new Intent(getApplicationContext(), AActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
getApplicationContext().startActivity(intent);
通过使用getApplicationContext()的context就不会内存溢出;
public class RunnableActivity extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
System.out.println("RunnableActivity onCreate");
setContentView(R.layout.activity_main);
mHandler.postDelayed(mRunnable, 3000);
}
#Override
protected void onResume() {
super.onResume();
System.out.println("RunnableActivity onResume");
}
#Override
protected void onPause() {
super.onPause();
System.out.println("RunnableActivity onPause");
}
#Override
protected void onDestroy() {
super.onDestroy();
System.out.println("RunnableActivity onDestroy");
}
private Handler mHandler = new Handler(Looper.getMainLooper());
private Runnable mRunnable = new Runnable() {
private WeakReference<Activity> weak = new WeakReference<Activity>(RunnableActivity.this);
#Override
public void run() {
Activity a = weak.get();
if (a != null) {
Intent intent = new Intent(a.getApplicationContext(), AActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
a.getApplicationContext().startActivity(intent);
a.finish();
}
}
};}