[英]fade in & fade out transition not working in android activity
I had a project where i used this transition, but now when i applied it once again to my another app it refuses to make any transition. 我有一个使用此过渡的项目,但是现在当我再次将其应用于另一个应用程序时,它拒绝进行任何过渡。
Here is my code for from MainActivity to AnotherActivity 这是我从MainActivity到AnotherActivity的代码
fade_in.xml fade_in.xml
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/accelerate_interpolator"
android:fromAlpha="0.0" android:toAlpha="1.0"
android:duration="500" />
fade_out.xml fade_out.xml
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/accelerate_interpolator"
android:fromAlpha="1.0" android:toAlpha="0.0"
android:fillAfter="true"
android:duration="500" />
Here is my MainActivity.java 这是我的MainActivity.java
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Timer time = new Timer();
time.schedule(new TimerTask() {
@Override
public void run() {
Intent intent = new Intent(MainActivity.this, WelcomeSlider.class);
startActivity(intent);
overridePendingTransition(R.anim.fade_in,R.anim.fade_out);
finish();
}
}, 3000);
}
}
I dont know what i am doing wrong , any help would be appreciated. 我不知道我在做什么错,任何帮助将不胜感激。
Here is my app.gradle 这是我的app.gradle
defaultConfig {
applicationId "com.example.farrukh.whatshapp"
minSdkVersion 19
targetSdkVersion 24
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
The problem is that timer performs timer tasks in the separate thread. 问题是计时器在单独的线程中执行计时器任务。 So fix looks like:
因此修复如下所示:
Timer time = new Timer();
time.schedule(new TimerTask() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
Intent intent = new Intent(MainActivity.this, WelcomeSlider.class);
startActivity(intent);
overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
finish();
}
});
}
}, 3000);
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