1 <activity
2 android:name=".MainActivity"
3 android:launchMode="singleTask">
4 <intent-filter>
5 <action android:name="android.intent.action.MAIN" />
6
7 <category android:name="android.intent.category.LAUNCHER" />
8 </intent-filter>
9 </activity>
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1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
2 xmlns:tools="http://schemas.android.com/tools"
3 android:id="@+id/activity_main"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 android:orientation="vertical"
7 tools:context="com.example.lesson9_activitylaunchmode.MainActivity">
8
9 <Button
10 android:layout_width="wrap_content"
11 android:layout_height="wrap_content"
12 android:onClick="toMainActivity"
13 android:text="这是MainActivity 启动MainActivity"
14 android:textAllCaps="false" />
15
16 <Button
17 android:layout_width="wrap_content"
18 android:layout_height="wrap_content"
19 android:onClick="toFirstActivity"
20 android:text="这是MainActivity 启动FirstActivity"
21 android:textAllCaps="false" />
22
23
24
25 </LinearLayout>
activity_main.xml