【移動應(yīng)用開發(fā)技術(shù)】AndroidStudio之Debug運(yùn)行期代碼植入的示例分析

背景@Data

@ToString

@AllArgsConstructor

public

class

User

{

private

String

name;

private

String

sex;

}public

class

Client

{

private

static

final

String[]

NAMES

=

{"美隊(duì)",

"浩克",

"黑寡婦"};

private

static

final

List<User>

USERS

=

Arrays.stream(NAMES)

.map(name

->

new

User(name,

"男"))

.collect(Collectors.toList());

public

static

void

main(String[]

args)

{

for

(User

user

:

USERS)

{

System.out.println(user);

}

}

}普通斷點(diǎn)/upload/information/20200623/125/121976.png條件斷點(diǎn)/upload/information/20200623/125/121977.gif改變變量狀態(tài)/upload/information/20200623/125/121978.gif/upload/information/20200623/125/121979.gif條件斷點(diǎn)+代碼植入/upload/information/20200623/125/121980.gifif

("黑寡婦".equals(user.getName()))

{

user.setSex("女");

}

//

此處返回false為了告訴IDE在該斷點(diǎn)出不對程序執(zhí)行掛起操作

return

false;/upload/information/20200623/125/121981.gif應(yīng)用場景public

class

ImageActivity

extends

Activity

{

private

static

final

String

KEY_CONTENT

=

"imageUrl";

public

static

void

open(Context

context,

String

content)

{

Intent

intent

=

new

Intent(context,

ImageActivity.class);

intent.putExtra(KEY_CONTENT,

content);

context.startActivity(intent);

}

@Override

protected

void

onCreate(Bundle

savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

ImageView

imageView

=

findViewById(R.id.image);

//

取出參數(shù)內(nèi)容

String

imageUrl

=

getIntent().getStringExtra(KEY_CONTENT);

Glide.with(this).load(imageUrl).into(imageView);

}

}/upload/information/20200623/125/121982.png/upl