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1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.view.contentcapture;
18 
19 import android.app.Activity;
20 import android.graphics.drawable.Drawable;
21 import android.os.Bundle;
22 import android.os.Looper;
23 import android.os.RemoteCallback;
24 import android.view.Choreographer;
25 import android.view.View;
26 import android.widget.LinearLayout;
27 import android.widget.TextView;
28 
29 import com.android.perftests.contentcapture.R;
30 
31 /**
32  * A simple activity used for testing, e.g. performance of activity switching, or as a base
33  * container of testing view.
34  */
35 public class CustomTestActivity extends Activity {
36     public static final String INTENT_EXTRA_LAYOUT_ID = "layout_id";
37     public static final String INTENT_EXTRA_CUSTOM_VIEWS = "custom_view_number";
38     static final String INTENT_EXTRA_FINISH_ON_IDLE = "finish";
39     static final String INTENT_EXTRA_DRAW_CALLBACK = "draw_callback";
40     public static final int MAX_VIEWS = 500;
41     private static final int CUSTOM_CONTAINER_LAYOUT_ID = R.layout.test_container_activity;
42 
43     @Override
onCreate(Bundle savedInstanceState)44     protected void onCreate(Bundle savedInstanceState) {
45         super.onCreate(savedInstanceState);
46 
47         if (getIntent().hasExtra(INTENT_EXTRA_LAYOUT_ID)) {
48             final int layoutId = getIntent().getIntExtra(INTENT_EXTRA_LAYOUT_ID,
49                     /* defaultValue= */0);
50             setContentView(layoutId);
51             if (layoutId == CUSTOM_CONTAINER_LAYOUT_ID) {
52                 createCustomViews(findViewById(R.id.root_view),
53                         getIntent().getIntExtra(INTENT_EXTRA_CUSTOM_VIEWS, MAX_VIEWS));
54             }
55         }
56 
57         final RemoteCallback drawCallback = getIntent().getParcelableExtra(
58                 INTENT_EXTRA_DRAW_CALLBACK, RemoteCallback.class);
59         if (drawCallback != null) {
60             getWindow().getDecorView().addOnAttachStateChangeListener(
61                     new View.OnAttachStateChangeListener() {
62                         @Override
63                         public void onViewAttachedToWindow(View v) {
64                             Choreographer.getInstance().postCallback(
65                                     Choreographer.CALLBACK_COMMIT,
66                                     // Report that the first frame is drawn.
67                                     () -> drawCallback.sendResult(null), null /* token */);
68                         }
69 
70                         @Override
71                         public void onViewDetachedFromWindow(View v) {
72                         }
73                     });
74         }
75 
76         if (getIntent().getBooleanExtra(INTENT_EXTRA_FINISH_ON_IDLE, false)) {
77             Looper.myQueue().addIdleHandler(() -> {
78                 // Finish without animation.
79                 finish();
80                 overridePendingTransition(0 /* enterAnim */, 0 /* exitAnim */);
81                 return false;
82             });
83         }
84     }
85 
createCustomViews(LinearLayout root, int number)86     private void createCustomViews(LinearLayout root, int number) {
87         LinearLayout horizontalLayout = null;
88         for (int i = 0; i < number; i++) {
89             final int j = i % 8;
90             if (horizontalLayout != null && j == 0) {
91                 root.addView(horizontalLayout);
92                 horizontalLayout = null;
93             }
94             if (horizontalLayout == null) {
95                 horizontalLayout = createHorizontalLayout();
96             }
97             horizontalLayout.addView(createItem(null, i));
98         }
99         if (horizontalLayout != null) {
100             root.addView(horizontalLayout);
101         }
102     }
103 
createHorizontalLayout()104     private LinearLayout createHorizontalLayout() {
105         final LinearLayout layout = new LinearLayout(getApplicationContext());
106         layout.setOrientation(LinearLayout.HORIZONTAL);
107         return layout;
108     }
109 
createItem(Drawable drawable, int index)110     private LinearLayout createItem(Drawable drawable, int index) {
111         final LinearLayout group = new LinearLayout(getApplicationContext());
112         group.setOrientation(LinearLayout.VERTICAL);
113         group.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
114                 LinearLayout.LayoutParams.WRAP_CONTENT, /* weight= */ 1.0f));
115 
116         final TextView text = new TextView(this);
117         text.setText("i = " + index);
118         group.addView(text);
119 
120         return group;
121     }
122 }
123