Activity's Task stack

1 Package Com.example.metrox.l7;2 3 import android.content.Intent;4 import android.support.v7.app.AppCompatActivity;5 import Android.os.Bundle;6 import Android.view.View;7 import Android.widget.Button;8 import Android.widget.TextView;9 Ten  Public classMainactivity extends Appcompatactivity { One  A @Override -     protected voidonCreate (Bundle savedinstancestate) { - super.oncreate (savedinstancestate); the Setcontentview (r.layout.activity_main); -((TextView) Findviewbyid (R.id.taskview)). SetText (String.Format ("task id:%d\n, current instance id:%s", GetTaskID (), toString ())); -Findviewbyid (R.id.button). Setonclicklistener (NewView.onclicklistener () { - @Override +              Public voidOnClick (view view) { -StartActivity (NewIntent (mainactivity. This, Mainactivity.class)); +             } A         }); at  -Findviewbyid (R.id.button2). Setonclicklistener (NewView.onclicklistener () { - @Override -              Public voidOnClick (view view) { -StartActivity (NewIntent (mainactivity. This, Baty.class)); -             } in         }); -     } to}

1 Package Com.example.metrox.l7;2 3 import android.content.Intent;4 import android.support.v7.app.AppCompatActivity;5 import Android.os.Bundle;6 import Android.view.View;7 import Android.widget.TextView;8 9  Public classBaty extends Appcompatactivity {Ten  One @Override A     protected voidonCreate (Bundle savedinstancestate) { - super.oncreate (savedinstancestate); - Setcontentview (r.layout.activity_baty); the((TextView) Findviewbyid (R.id.textview)). SetText (String.Format ("task id:%d\n, current instance id:%s", GetTaskID (), toString ())); -  -Findviewbyid (R.ID.STARTM). Setonclicklistener (NewView.onclicklistener () { - @Override +              Public voidOnClick (view view) { -StartActivity (NewIntent (Baty. This, Mainactivity.class)); +             } A         }); at     } -}

1<?xml version="1.0"encoding="Utf-8"?>2<manifest xmlns:android="http://schemas.android.com/apk/res/android"3Package="COM.EXAMPLE.METROX.L7">4 5<Application6android:allowbackup="true"7android:icon="@mipmap/ic_launcher"8Android:label="@string/app_name"9Android:supportsrtl="true"TenAndroid:theme="@style/apptheme"> One<Activity AAndroid:name=". Mainactivity" -Android:label="Mian" -Android:launchmode="Sin"> the<intent-filter> -<action android:name="Android.intent.action.MAIN"/> -  -<category android:name="Android.intent.category.LAUNCHER"/> +</intent-filter> -</activity> +<activity android:name=". Baty"Android:label="Baty"></activity> A</application> at  -</manifest>

Activity's Task stack