IntentPlayground start activities for result

Test: Manual
Change-Id: I3004e6dd76c026e41d2c9a28f4dd59664f99cd09

samples/IntentPlayground/AndroidManifest.xml

@@ -17,23 +17,19 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.example.android.intentplayground">
     <!-- Used to reorder tasks using android.app.ActivityManager.moveTaskToFront() -->
-    <uses-permission android:name="android.permission.REORDER_TASKS" />
+    <uses-permission android:name="android.permission.REORDER_TASKS"/>
     <application
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity
+        <activity android:name=".RegularActivity">
-            android:name=".LauncherActivity"
-            android:launchMode="singleInstance"
-            android:documentLaunchMode="always">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".RegularActivity" />
         <activity
             android:name=".SingleTopActivity"
             android:launchMode="singleTop" />

samples/IntentPlayground/res/layout/view_build_intent.xml

@@ -28,13 +28,13 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/build_intent"
-        android:textAppearance="@style/title" />
+        android:textAppearance="@style/title"/>
 
     <TextView
         android:id="@+id/flags_hint"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="@string/build_intent_caption" />
+        android:text="@string/build_intent_caption"/>
 
     <LinearLayout
         android:id="@+id/suggest_list_item"
@@ -48,19 +48,19 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:orientation="vertical"
-            android:layout_weight="1" >
+            android:layout_weight="1">
 
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="@string/suggest_enable_text"
-                android:textAppearance="@style/normal" />
+                android:textAppearance="@style/normal"/>
 
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="@string/suggest_description_text"
-                android:textAppearance="@style/caption" />
+                android:textAppearance="@style/caption"/>
         </LinearLayout>
 
         <Switch
@@ -80,19 +80,54 @@
         android:layout_width="match_parent"
         android:layout_height="@dimen/dividerHeight"
         android:layout_marginVertical="@dimen/smallMargin"
-        android:background="@drawable/divider" />
+        android:background="@drawable/divider"/>
 
     <TextView
         android:id="@+id/textView"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginVertical="@dimen/smallMargin"
-        android:text="@string/target_activity" />
+        android:text="@string/target_activity"/>
 
     <RadioGroup
         android:id="@+id/radioGroup_launchMode"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:checkedButton="@+id/radio_launchMode_standard"
-        android:orientation="vertical" />
+        android:orientation="vertical"/>
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/dividerHeight"
+        android:layout_marginVertical="@dimen/smallMargin"
+        android:background="@drawable/divider"/>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginVertical="@dimen/smallMargin"
+        android:text="@string/start_mode"/>
+
+    <RadioGroup
+        android:id="@+id/radioGroup_startMode"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:checkedButton="@+id/radio_launchMode_standard"
+        android:orientation="vertical">
+
+        <RadioButton
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingStart="@dimen/fullMargin"
+            android:id="@+id/start_normal"
+            android:text="@string/start_normal"
+            android:checked="true"/>
+
+        <RadioButton
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingStart="@dimen/fullMargin"
+            android:id="@+id/start_for_result"
+            android:text="@string/start_for_result"/>
+    </RadioGroup>
 </LinearLayout>

samples/IntentPlayground/res/values/strings.xml

@@ -89,4 +89,7 @@
     <string name="new_task">NEW</string>
     <string name="run_intent_tests">Run Intent tests</string>
     <string name="launch_default_activities">Launch Default Activities</string>
+    <string name="start_mode">Select start mode</string>
+    <string name="start_normal">Start activity</string>
+    <string name="start_for_result">Start activity for result</string>
 </resources>

samples/IntentPlayground/src/com/example/android/intentplayground/BaseActivity.java

@@ -50,6 +50,7 @@ public abstract class BaseActivity extends AppCompatActivity implements
     public static final String TREE_FRAGMENT = "com.example.android.treeFragment";
     public static final String EXPECTED_TREE_FRAGMENT = "com.example.android.expectedTreeFragment";
     public static final int LAUNCH_REQUEST_CODE = 0xEF;
+    private static final int LAUNCH_FOR_RESULT_ID = 1;
 
     public enum Mode {LAUNCH, VERIFY, RESULT}
 
@@ -155,10 +156,16 @@ public abstract class BaseActivity extends AppCompatActivity implements
     /**
      * Launches activity with the selected options.
      */
-    public void launchActivity(Intent intent) {
+    @Override
+    public void launchActivity(Intent intent, boolean forResult) {
+        if (forResult) {
+            startActivityForResult(intent, LAUNCH_FOR_RESULT_ID);
+        } else {
+            startActivity(intent);
+        }
+        
         // If people press back we want them to see the overview rather than the launch fragment.
         // To achieve this we pop the launchFragment from the stack when we go to the next activity.
-        startActivity(intent);
         getSupportFragmentManager().popBackStack();
     }
 

samples/IntentPlayground/src/com/example/android/intentplayground/IntentBuilderView.java

@@ -215,6 +215,11 @@ public class IntentBuilderView extends FrameLayout implements View.OnClickListen
     }
 
 
+    public boolean startForResult() {
+        RadioButton startNormal = mLayout.findViewById(R.id.start_normal);
+        return !startNormal.isChecked();
+    }
+
     @Override
     public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
         int buttonId = compoundButton.getId();
@@ -358,6 +363,6 @@ public class IntentBuilderView extends FrameLayout implements View.OnClickListen
      * button within this view.
      */
     public interface OnLaunchCallback {
-        void launchActivity(Intent intent);
+        void launchActivity(Intent intent, boolean forResult);
     }
 }

samples/IntentPlayground/src/com/example/android/intentplayground/LaunchFragment.java

@@ -16,6 +16,7 @@
 
 package com.example.android.intentplayground;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -74,7 +75,9 @@ public class LaunchFragment extends Fragment {
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (item.getItemId() == R.id.app_bar_launch && mOnLaunchCallback != null) {
-            mOnLaunchCallback.launchActivity(mIntentBuilderView.currentIntent());
+            Intent intent = mIntentBuilderView.currentIntent();
+            boolean forResult = mIntentBuilderView.startForResult();
+            mOnLaunchCallback.launchActivity(mIntentBuilderView.currentIntent(), forResult);
         }
 
         return super.onOptionsItemSelected(item);

samples/IntentPlayground/src/com/example/android/intentplayground/LauncherActivity.java

@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.example.android.intentplayground;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-
-/**
- * A singleInstance activity that is responsible for a launching a bootstrap stack of activities.
- */
-public class LauncherActivity extends BaseActivity {
-    public static final String TAG = "LauncherActivity";
-    private static final long SNACKBAR_DELAY = 75;
-    private TestBase mTester;
-    private boolean mFirstLaunch;
-    private View mSnackBarRootView;
-    private boolean mSnackBarIsVisible = false;
-    private boolean mDontLaunch = false;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setupTaskPreset();
-        mFirstLaunch = true;
-    }
-
-    /**
-     * Launches activity with the selected options.
-     */
-    @Override
-    public void launchActivity(Intent intent) {
-        startActivityForResult(intent, LAUNCH_REQUEST_CODE);
-        // If people press back we want them to see the overview rather than the launch fragment.
-        // To achieve this we pop the launchFragment from the stack when we go to the next activity.
-        getSupportFragmentManager().popBackStack();
-    }
-
-    @Override
-    protected void onNewIntent(Intent intent) {
-        super.onNewIntent(intent);
-    }
-}

samples/IntentPlayground/src/com/example/android/intentplayground/TestBase.java

@@ -80,7 +80,7 @@ public class TestBase {
                         tsb.startActivities();
                         Thread.sleep(500);
                     } catch (InterruptedException ie) {
-                        Log.e(LauncherActivity.TAG, ie.getMessage());
+                        Log.e(TAG, ie.getMessage());
                     }
                 });
                 break;
@@ -91,7 +91,7 @@ public class TestBase {
                     try {
                         Thread.sleep(500);
                     } catch (InterruptedException ie) {
-                        Log.e(LauncherActivity.TAG, ie.getMessage());
+                        Log.e(TAG, ie.getMessage());
                     }
                     ArrayList<Intent> nextIntents = new ArrayList<>(Arrays.asList(
                             tsb.getIntents()));
@@ -348,16 +348,6 @@ public class TestBase {
         }
     }
 
-    public static void clearRunningTasks(Context context) {
-        ComponentName launcher = new ComponentName(context, LauncherActivity.class);
-        context.getSystemService(ActivityManager.class).getAppTasks().stream()
-                .filter(task -> {
-                    ActivityManager.RecentTaskInfo info = task.getTaskInfo();
-                    return (info.baseActivity != null) && (!info.baseActivity.equals(launcher));
-                })
-                .forEach(ActivityManager.AppTask::finishAndRemoveTask);
-    }
-
     public Context getContext() { return mContext; }
 
     /**