dalvik bytecode

.class public final BuildConfig
.super Object
.source "BuildConfig.java"

.field public static final BUILD_TYPE:String = "debug"
.field public static final DEBUG:Z = false
.field public static final FLAVOR:String = ""
.field public static final PACKAGE_NAME:String = "com.sarbs.tinker"
.field public static final VERSION_CODE:I = 0x1
.field public static final VERSION_NAME:String = "1.0"

.method static constructor <clinit>()V
          .registers 1
          .prologue
          .line 7
00000000  const-string            v0, "true"
00000004  invoke-static           Boolean->parseBoolean(String)Z, v0
0000000A  move-result             v0
0000000C  sput-boolean            v0, BuildConfig->DEBUG:Z
00000010  return-void
.end method

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 6
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$attr
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "attr"
.end annotation

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 11
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$dimen
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "dimen"
.end annotation

.field public static final activity_horizontal_margin:I = 0x7F040000
.field public static final activity_vertical_margin:I = 0x7F040001

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 13
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$drawable
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "drawable"
.end annotation

.field public static final ic_launcher:I = 0x7F020000

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 17
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$id
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "id"
.end annotation

.field public static final button:I = 0x7F070001
.field public static final text:I = 0x7F070000

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 20
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$layout
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "layout"
.end annotation

.field public static final activity_tinker:I = 0x7F030000

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 24
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$string
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "string"
.end annotation

.field public static final action_settings:I = 0x7F050000
.field public static final app_name:I = 0x7F050001
.field public static final hello_world:I = 0x7F050002

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 27
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R$style
.super Object
.source "R.java"

.annotation system EnclosingClass
    value = R
.end annotation

.annotation system InnerClass
    accessFlags = 0x19
    name = "style"
.end annotation

.field public static final AppTheme:I = 0x7F060000

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 32
00000000  invoke-direct           Object-><init>()V, p0
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public final R
.super Object
.source "R.java"

.annotation system MemberClasses
    value = {
        R$style,
        R$string,
        R$layout,
        R$id,
        R$drawable,
        R$dimen,
        R$attr
    }
.end annotation

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 10
00000000  invoke-direct           Object-><init>()V, p0
          .line 32
00000006  return-void
.end method

#--------------------------------------------------------------------------------
.class public Tinker
.super Activity
.source "Tinker.java"

.field private mList:List

.method public constructor <init>()V
          .registers 1
          .prologue
          .line 11
00000000  invoke-direct           Activity-><init>()V, p0
00000006  return-void
.end method

.method private iterateForEach()V
          .registers 5
          .prologue
          .line 27
00000000  iget-object             v2, p0, Tinker->mList:List
00000004  invoke-interface        List->iterator()Iterator, v2
0000000A  move-result-object      v0
:C
          .local v0, i$:Ljava/util/Iterator;
0000000C  invoke-interface        Iterator->hasNext()Z, v0
00000012  move-result             v2
00000014  if-eqz                  v2, :34
:18
00000018  invoke-interface        Iterator->next()Object, v0
0000001E  move-result-object      v1
          .line 28
          .local v1, ob:Ljava/lang/Object;
00000020  const-string            v2, "tag"
00000024  invoke-virtual          Object->toString()String, v1
0000002A  move-result-object      v3
0000002C  invoke-static           Log->w(String, String)I, v2, v3
00000032  goto                    :C
:34
          .line 30
00000034  return-void
.end method

.method private iterateIterator()V
          .registers 5
          .prologue
          .line 33
00000000  iget-object             v2, p0, Tinker->mList:List
00000004  invoke-interface        List->iterator()Iterator, v2
0000000A  move-result-object      v0
:C
          .line 34
          .local v0, it:Ljava/util/Iterator;
0000000C  invoke-interface        Iterator->hasNext()Z, v0
00000012  move-result             v2
00000014  if-eqz                  v2, :34
:18
          .line 35
00000018  invoke-interface        Iterator->next()Object, v0
0000001E  move-result-object      v1
          .line 36
          .local v1, ob:Ljava/lang/Object;
00000020  const-string            v2, "tag"
00000024  invoke-virtual          Object->toString()String, v1
0000002A  move-result-object      v3
0000002C  invoke-static           Log->w(String, String)I, v2, v3
00000032  goto                    :C
:34
          .line 38
00000034  return-void
.end method

.method protected onCreate(Bundle)V
          .registers 4
          .param p1, "savedInstanceState"
          .prologue
          .line 17
00000000  invoke-super            Activity->onCreate(Bundle)V, p0, p1
          .line 18
00000006  const/high16            v0, 0x7F030000  # R.layout.activity_tinker
0000000A  invoke-virtual          Tinker->setContentView(I)V, p0, v0
          .line 20
00000010  const/16                v0, 0x0014
00000014  new-instance            v1, Object
00000018  invoke-direct           Object-><init>()V, v1
0000001E  invoke-static           Collections->nCopies(I, Object)List, v0, v1
00000024  move-result-object      v0
00000026  iput-object             v0, p0, Tinker->mList:List
          .line 22
0000002A  invoke-direct           Tinker->iterateForEach()V, p0
          .line 23
00000030  invoke-direct           Tinker->iterateIterator()V, p0
          .line 24
00000036  return-void
.end method

#--------------------------------------------------------------------------------

Tinker.java

package com.sarbs.tinker;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class Tinker extends Activity {

    private List mList;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_tinker);

        mList = Collections.nCopies(20, new Object());

        iterateForEach();
        iterateIterator();
    }

    private void iterateForEach() {
        for (Object ob : mList) {
            Log.w("tag", ob.toString());
        }
    }

    private void iterateIterator() {
        Iterator it = mList.iterator();
        while (it.hasNext()) {
            Object ob = it.next();
            Log.w("tag", ob.toString());
        }
    }
}