[英]Load new activity after 5 seconds
嗨,我一直在寻找让我的Android应用程序加载StartActivity.java 5秒钟,然后在5秒钟后加载到MainActivity.java中的方法。 我发现的任何例子都没有为我工作。 所以想知道是否有人可以指出我正确的方向。
任何帮助,将不胜感激。
StartActivity.java
package com.example.testerrquin.euro2016fanguide;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class StartActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_start);
new CountDownTimer(5000, 1000) {
public void onTick(long millisUntilFinished) {
}
public void onFinish() {
}
}.start();
}}
AndroidManifest.xml中
<?xml version="1.0" encoding="utf-8"?>`<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.testerrquin.euro2016fanguide" >
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme" >
<activity
android:name=".StartActivity"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/title_activity_start"
android:theme="@style/FullscreenTheme" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
预先感谢您的任何答复。
试试看 它在我的应用程序中有效。
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Intent start = new Intent(StartActivity.this, MainActivity.class);
startActivity(start);
finish();
}
}, 5000);
尝试这个
public class StartActivity extends AppCompatActivity {
protected int SECONDS = 5;
Handler handler = new Handler();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_start);
handler.removeCallbacks(runnable);
handler.postDelayed(runnable, 1000);
}
private Runnable runnable = new Runnable() {
public void run() {
long currentMilliseconds = System.currentTimeMillis();
SECONDS--;
if (SECONDS > 0) {
handler.postAtTime(this, currentMilliseconds);
handler.postDelayed(runnable, 1000);
} else {
Intent it = new Intent(StartActivity.this, MainActivity.class);
startActivity(it);
handler.removeCallbacks(runnable);
finish();
}
}
};
}
主要技巧是通过使用handler.postDelayed
希望能有所帮助!
只需删除finish()并再试一次
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Intent startNewActivity = new Intent(CurrentActivity.this, MainActivity.class);
startActivity(startNewActivity);
}
}, 5000);
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