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    <p>I just <strong>removed the FLAG and it's all working</strong> for me,There is no any problem..First Activity Remain Transparent and getting on top when called..Just Try.</p> <p>Here the code of my whole example,</p> <p><strong>FirstAct</strong></p> <pre><code>public class FirstAct extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Button btn = new Button(this); btn.setText("First Here Go To Second"); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent intent = new Intent(FirstAct.this,SecondAct.class); startActivity(intent); } }); setContentView(btn); } } </code></pre> <p><strong>SecondAct</strong></p> <pre><code>public class SecondAct extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Button btn = new Button(this); btn.setText("Second Here Go To Third"); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent intent = new Intent(SecondAct.this,ThirdAct.class); startActivity(intent); } }); setContentView(btn); } } </code></pre> <p><strong>ThirdAct</strong></p> <pre><code>public class ThirdAct extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Button btn = new Button(this); btn.setText("Third Here Go To First"); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent intent = new Intent(ThirdAct.this,FirstAct.class); //intent.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); startActivity(intent); } }); setContentView(btn); } } </code></pre> <p><strong>Edit Activity with LaunchMode SingleInsance</strong> *<em>Manifest</em>*</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.mj.temp" android:versionCode="1" android:versionName="1.0"&gt; &lt;uses-sdk android:minSdkVersion="8" /&gt; &lt;application android:icon="@drawable/icon" android:label="@string/app_name"&gt; &lt;activity android:name=".FirstAct" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:launchMode="singleInstance" android:label="@string/app_name"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name="SecondAct" android:launchMode="singleInstance"&gt;&lt;/activity&gt; &lt;activity android:name="ThirdAct" android:launchMode="singleInstance"&gt;&lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre>
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    1. POBug : Theme.Translucent & FLAG_ACTIVITY_REORDER_TO_FRONT
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    1. COWhat is required is that after launching the `FirstAct` from `ThirdAct` the activity stack should be (SA-TA-FA). The FA should be reordered to the top of stack, without launching a new instance of it. In your sample, a new instance will be launched and activity stack will be (FA-SA-TA-FA).
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    2. CO@userSeven7s That's Also done by using `launchMode="singleInstance"` .. check updated Manifest File.
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    3. CO@Frankenstein In a more complex app where there is other navigation with this 3 stack scenario in the middle. singleInstance will not work. SingleInstance makes each activity it's own task, meaning technically we don't have have FA-SA-TA , we have Stack 1 :Fa , Stack 2: SA , Stack 3: TA. This brings it's own complexity and problems with interaction. You can check this out for a visual example: https://play.google.com/store/apps/details?id=com.novoda.demos.activitylaunchmode
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