MainActivity.java
:package com.videogo.ui.login;
import
android.content.res.Configuration;
import
android.content.pm.ActivityInfo;
import
android.os.Bundle;
import
android.os.Handler;
import
android.os.Message;
import
android.util.Log;
import
android.view.SurfaceHolder;
import
android.view.SurfaceView;
import
android.view.View;
import
androidx.annotation.NonNull;
import
androidx.appcompat.app.AppCompatActivity;
import com.videogo.exception.BaseException;
import com.videogo.exception.ErrorCode;
import com.videogo.openapi.EZConstants;
import com.videogo.openapi.EZOpenSDK;
import com.videogo.openapi.EZPlayer;
import ezviz.ezopensdk.R;
import
android.widget.ProgressBar;
import
android.widget.RelativeLayout;
import
android.widget.LinearLayout;
import
android.widget.ImageButton;
import
android.widget.Toast;
import
android.view.MotionEvent;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URLEncoder;
import org.json.JSONObject;
import
android.content.
Intent;
import
android.widget.Button;
public class MainActivity extends AppCompatActivity implements SurfaceHolder.Callback, Handler.Callback {
private static final String TAG = "EZPreview";
private static final
int MSG_VIDEO_SIZE_CHANGED = 1;
private static final
int MSG_REALPLAY_PLAY_SUCCESS = 2001;
private static final
int MSG_REALPLAY_PLAY_FAIL = 2002;
private static final
int MSG_SHOW_STREAM_TYPE = 3001; // 新增消息类型
private static final
int DIRECTION_UP = 0;
private static final
int DIRECTION_DOWN = 1;
private static final
int DIRECTION_LEFT = 2;
private static final
int DIRECTION_RIGHT = 3;
private static final
int DIRECTION_ZOOM_IN = 8; // 物理放大
private static final
int DIRECTION_ZOOM_OUT = 9; // 物理缩小
private static final
int DIRECTION_FOCUS_NEAR = 10; // 调整近焦距
private static final
int DIRECTION_FOCUS_FAR = 11; // 调整远焦距
private static final
int SPEED_MEDIUM = 1; // 速度适中
private static final String PTZ_START_URL = "https
://open.ys7.com/api/lapp/device/ptz/start";
private static final String PTZ_STOP_URL = "https
://open.ys7.com/api/lapp/device/ptz/stop";
private boolean mIsSupportPTZ = false; // 设备是否支持云台
private ExecutorService mExecutorService; // 线程池
private volatile boolean isPTZActive = false; // 标记是否有云台操作正在进行
private volatile
int activeDirection = -1; // 当前活动的方向
// 接收的参数键
private static final String KEY_APPKEY = "appkey";
private static final String KEY_SERIAL = "serial";
private static final String KEY_VERIFYCODE = "VerifyCode";
private static final String KEY_ACCESSTOKEN = "accessToken";
private static final String KEY_CAMERANO = "cameraNo";
private boolean mIsPlaying = false;
private EZPlayer mEZPlayer;
private SurfaceView mSurfaceView;
private SurfaceHolder mSurfaceHolder;
private ProgressBar mLiveProgressBar;
private RelativeLayout mRlControl;
private LinearLayout mLlHc;
private ImageButton mIbRotate2;
// 从
Intent中获取的参数
private String mAppKey;
private String mDeviceSerial;
private String mVerifyCode;
private String mAccessToken;
private
int mCameraNo = 0; // 默认通道号0
private Handler mHandler;
private boolean mP2PEnabled = true;
@Override
protected void onCreate
(Bundle savedInstanceState
) {
super.onCreate
(savedInstanceState
);
setContentView
(R.layout.activitymain
);
mHandler = new Handler
(this
);
// 1. 从
Intent中获取参数
extractParametersFrom
Intent
();
// 2. 初始化UI
initUI
();
initOrientationSensitiveViews
();
View fanHui = findViewById
(R.id.back
);
fanHui.setOnClickListener
(v -> finish
());
Button huifangBtn = findViewById
(R.id.huifang
);
huifangBtn.setOnClickListener
(new View.OnClickListener
() {
@Override
public void onClick
(View v
) {
// 创建
Intent跳转到FanHui活动
Intent
intent = new
Intent
(MainActivity.this, FanHui.class
);
// 传递必要参数（可选）
intent.putExtra
("deviceSerial", mDeviceSerial
);
intent.putExtra
("cameraNo", mCameraNo
);
intent.putExtra
("accessToken", mAccessToken
);
intent.putExtra
("appkey", mAppKey
);
intent.putExtra
("verifyCode", mVerifyCode
);
startActivity
(intent
);
}
}
);
// 3. 初始化SDK并创建播放器
initSDKAndCreatePlayer
();
}
private void initOrientationSensitiveViews
() {
mLiveProgressBar = findViewById
(R.id.liveProgressBar
);
mRlControl = findViewById
(R.id.rl_control
);
mLlHc = findViewById
(R.id.ll_hc
);
mIbRotate2 = findViewById
(R.id.ib_rotate2
);
// 初始状态显示加载
if
(mLiveProgressBar != null
) {
mLiveProgressBar.set
Visibility(View.VISIBLE
);
}
// 初始根据方向更新UI
updateLayoutByOrientation
();
// 创建线程池
mExecutorService = Executors.newFixedThreadPool
(2
);
// 4. 初始化云台控制按钮
initPTZButtons
();
}
private void initPTZButtons
() {
// 竖屏布局的按钮
setupPTZButton
(R.id.ptz_left_btn, DIRECTION_LEFT
);
setupPTZButton
(R.id.ptz_right_btn, DIRECTION_RIGHT
);
setupPTZButton
(R.id.ptz_top_btn, DIRECTION_UP
);
setupPTZButton
(R.id.ptz_bottom_btn, DIRECTION_DOWN
);
setupPTZButton
(R.id.zoom_add, DIRECTION_ZOOM_IN
); // 物理放大
setupPTZButton
(R.id.zoom_reduce, DIRECTION_ZOOM_OUT
); // 物理缩小
setupPTZButton
(R.id.focus_add, DIRECTION_FOCUS_NEAR
); // 近焦距
setupPTZButton
(R.id.foucus_reduce, DIRECTION_FOCUS_FAR
); // 远焦距
setupUnsupportedButton
(R.id.guangquan_add, "光圈+"
);
setupUnsupportedButton
(R.id.guangquan_reduce, "光圈-"
);
// 横屏布局的按钮
setupPTZButton
(R.id.ptz_left_btn2, DIRECTION_LEFT
);
setupPTZButton
(R.id.ptz_right_btn2, DIRECTION_RIGHT
);
setupPTZButton
(R.id.ptz_top_btn2, DIRECTION_UP
);
setupPTZButton
(R.id.ptz_bottom_btn2, DIRECTION_DOWN
);
setupPTZButton
(R.id.zoom_add2, DIRECTION_ZOOM_IN
);
setupPTZButton
(R.id.zoom_reduce2, DIRECTION_ZOOM_OUT
);
setupPTZButton
(R.id.focus_add2, DIRECTION_FOCUS_NEAR
); // 近焦距
setupPTZButton
(R.id.foucus_reduce2, DIRECTION_FOCUS_FAR
); // 远焦距
}
private void setupUnsupportedButton
(int buttonId, String buttonName
) {
ImageButton button = findViewById
(buttonId
);
if
(button != null
) {
button.setOnClickListener
(v -> {
Toast.makeText
(MainActivity.this,
"SDK不支持此功能",
Toast.LENGTH_SHORT
).show
();
}
);
}
}
private void setupPTZButton
(int buttonId, final
int direction
) {
ImageButton button = findViewById
(buttonId
);
if
(button != null
) {
button.setOnTouchListener
(new View.OnTouchListener
() {
@Override
public boolean onTouch
(View v, MotionEvent event
) {
switch
(event.getAction
()) {
case MotionEvent.ACTION_DOWN
:
// 按下时开始云台动作
controlPTZ
(direction, SPEED_MEDIUM, true
);
return true;
case MotionEvent.ACTION_UP
:
case MotionEvent.ACTION_CANCEL
:
// 如果这是当前活动的方向，则停止
if
(isPTZActive && activeDirection == direction
) {
controlPTZ
(direction, SPEED_MEDIUM, false
);
}
return true;
}
return false;
}
}
);
}
}
// 云台控制方法
private void controlPTZ
(final
int direction, final
int speed, final boolean isStart
) {
// 检查是否允许开始新操作
if
(isStart && isPTZActive
) {
// runOnUiThread
(() -> Toast.makeText
(MainActivity.this,
// "请先停止当前云台操作", Toast.LENGTH_SHORT
).show
());
return;
}
mExecutorService.execute
(() -> {
try {
String urlStr = isStart ? PTZ_START_URL
: PTZ_STOP_URL;
URL url = new URL
(urlStr
);
HttpURLConnection conn =
(HttpURLConnection
) url.openConnection
();
conn.setRequestMethod
("POST"
);
conn.setRequestProperty
("Content-Type", "application/x-www-form-urlencoded"
);
conn.setDoOutput
(true
);
conn.setConnectTimeout
(5000
);
conn.setReadTimeout
(5000
);
// 构建POST数据
StringBuilder postData = new StringBuilder
();
postData.append
("accessToken="
).append
(URLEncoder.encode
(mAccessToken, "UTF-8"
));
postData.append
("&deviceSerial="
).append
(URLEncoder.encode
(mDeviceSerial, "UTF-8"
));
postData.append
("&channelNo="
).append
(mCameraNo
);
if
(isStart
) {
postData.append
("&direction="
).append
(direction
);
postData.append
("&speed="
).append
(speed
);
} else {
// 停止时带上方向参数（建议）
postData.append
("&direction="
).append
(direction
);
}
// 发送请求
OutputStream os = conn.getOutputStream
();
os.write
(postData.toString
().getBytes
("UTF-8"
));
os.flush
();
os.close
();
// 处理响应
int responseCode = conn.getResponseCode
();
if
(responseCode == HttpURLConnection.HTTP_OK
) {
// 读取响应内容
InputStream is = conn.getInputStream
();
BufferedReader reader = new BufferedReader
(new InputStreamReader
(is
));
StringBuilder response = new StringBuilder
();
String line;
while
((line = reader.readLine
()) != null
) {
response.append
(line
);
}
reader.close
();
// 解析JSON响应
JSONObject json = new JSONObject
(response.toString
());
String code = json.optString
("code", "0"
);
String msg = json.optString
("msg", "未知错误"
);
if
("200".equals
(code
)) {
Log.d
(TAG, "PTZ控制成功
: " +
(isStart ? "开始"
: "停止"
) +
" | 方向
: " + direction
);
// 更新状态
if
(isStart
) {
isPTZActive = true;
activeDirection = direction;
} else {
isPTZActive = false;
activeDirection = -1;
}
} else {
handlePTZError
(code, msg, isStart
);
}
} else {
Log.e
(TAG, "HTTP错误
: " + responseCode
);
runOnUiThread
(() -> Toast.makeText
(MainActivity.this,
"网络请求失败
: " + responseCode, Toast.LENGTH_SHORT
).show
());
}
conn.disconnect
();
} catch
(Exception e
) {
Log.e
(TAG, "PTZ控制异常", e
);
runOnUiThread
(() -> Toast.makeText
(MainActivity.this,
"云台控制出错
: " + e.getMessage
(), Toast.LENGTH_SHORT
).show
());
}
}
);
}
private void handlePTZError
(String code, String msg, boolean isStart
) {
String errorMessage = msg;
// 根据文档映射错误信息
switch
(code
) {
case "10001"
:
errorMessage = "参数错误";
break;
case "10002"
:
errorMessage = "accessToken异常或过期";
break;
case "20002"
:
errorMessage = "设备不存在";
break;
case "20007"
:
errorMessage = "设备不在线";
break;
case "60000"
:
errorMessage = "设备不支持云台控制";
mIsSupportPTZ = false; // 更新设备支持状态
break;
case "60001"
:
errorMessage = "用户无云台控制权限";
break;
case "60020"
:
errorMessage = "不支持该命令";
break;
// 添加其他错误码处理...
}
final String finalMsg = errorMessage;
runOnUiThread
(() -> {
Toast.makeText
(MainActivity.this,
(isStart ? "开始"
: "停止"
) + "云台控制失败
: " + finalMsg,
Toast.LENGTH_LONG
).show
();
// 对于特定错误，重置云台状态
if
("10002".equals
(code
) || "60000".equals
(code
)) {
isPTZActive = false;
activeDirection = -1;
}
}
);
}
@Override
public void onConfigurationChanged
(@NonNull Configuration newConfig
) {
super.onConfigurationChanged
(newConfig
);
// 方向变化时重新初始化视图
initOrientationSensitiveViews
();
updateLayoutByOrientation
();
}
@Override
protected void onResume
() {
super.onResume
();
if
(mLiveProgressBar != null
) {
if
(mIsPlaying
) {
mLiveProgressBar.set
Visibility(View.GONE
);
} else {
mLiveProgressBar.set
Visibility(View.VISIBLE
);
}
}
}
private void updateLayoutByOrientation
() {
int orientation = getResources
().getConfiguration
().orientation;
if
(orientation == Configuration.ORIENTATION_PORTRAIT
) {
// 竖屏模式
mRlControl.set
Visibility(View.VISIBLE
);
mLlHc.set
Visibility(View.GONE
);
mIbRotate2.set
Visibility(View.GONE
);
} else {
// 横屏模式
mRlControl.set
Visibility(View.GONE
);
mLlHc.set
Visibility(View.VISIBLE
);
mIbRotate2.set
Visibility(View.VISIBLE
);
}
}
/**
* 从
Intent中提取传递的参数
*/
private void extractParametersFrom
Intent
() {
Bundle extras = get
Intent
().getExtras
();
if
(extras != null
) {
mAppKey = extras.getString
(KEY_APPKEY, ""
);
mDeviceSerial = extras.getString
(KEY_SERIAL, ""
);
mVerifyCode = extras.getString
(KEY_VERIFYCODE, ""
);
mAccessToken = extras.getString
(KEY_ACCESSTOKEN, ""
);
mCameraNo = extras.get
Int(KEY_CAMERANO, 0
);
Log.d
(TAG, "Received parameters
:"
);
Log.d
(TAG, "AppKey
: " + mAppKey
);
Log.d
(TAG, "DeviceSerial
: " + mDeviceSerial
);
Log.d
(TAG, "VerifyCode
: " + mVerifyCode
);
Log.d
(TAG, "AccessToken
: " + mAccessToken
);
Log.d
(TAG, "CameraNo
: " + mCameraNo
);
} else {
Log.e
(TAG, "No parameters received from
intent"
);
// 如果没有参数，可以显示错误信息并退出
finish
();
}
}
/**
* 初始化UI组件
*/
private void initUI
() {
mSurfaceView = findViewById
(R.id.realplay_sv
);
if
(mSurfaceView != null
) {
mSurfaceHolder = mSurfaceView.getHolder
();
mSurfaceHolder.addCallback
(this
);
} else {
Log.e
(TAG, "SurfaceView not found with ID realplay_sv"
);
}
}
/**
* 初始化SDK并创建播放器
*/
private void initSDKAndCreatePlayer
() {
try {
// 1. 初始化SDK
EZOpenSDK.initLib
(getApplication
(), mAppKey
);
EZOpenSDK.getInstance
().setAccessToken
(mAccessToken
);
// +++ 开启P2P取流方式 +++
EZOpenSDK.enableP2P
(true
); // 开启P2P取流
Log.d
(TAG, "P2P取流已启用"
);
mP2PEnabled = true;
// 2. 创建播放器
createPlayer
();
} catch
(Exception e
) {
Log.e
(TAG, "SDK初始化失败", e
);
Toast.makeText
(this, "SDK初始化失败", Toast.LENGTH_SHORT
).show
();
}
}
/**
* 创建播放器并开始播放
*/
private void createPlayer
() {
try {
// 1. 创建播放器实例
mEZPlayer = EZOpenSDK.getInstance
().createPlayer
(mDeviceSerial, mCameraNo
);
// 2. 配置播放器
mEZPlayer.setHandler
(mHandler
);
if
(mSurfaceHolder != null
) {
mEZPlayer.setSurfaceHold
(mSurfaceHolder
);
}
if
(mVerifyCode != null && !mVerifyCode.isEmpty
()) {
mEZPlayer.setPlayVerifyCode
(mVerifyCode
);
}
// 3. 开始播放
mEZPlayer.startRealPlay
();
mIsPlaying = true; // 标记为正在播放
} catch
(Exception e
) {
Log.e
(TAG, "Player creation failed", e
);
mIsPlaying = false; // 标记为未播放
}
}
// 处理屏幕旋转按钮点击
public void changeScreen
(View view
) {
Log.d
(TAG, "Change screen orientation requested"
);
int currentOrientation = getResources
().getConfiguration
().orientation;
if
(currentOrientation == Configuration.ORIENTATION_PORTRAIT
) {
setRequestedOrientation
(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
);
} else {
setRequestedOrientation
(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
);
}
// 更新UI布局
updateLayoutByOrientation
();
}
// Surface回调接口实现
@Override
public void surfaceCreated
(@NonNull SurfaceHolder holder
) {
if
(mEZPlayer != null
) {
mEZPlayer.setSurfaceHold
(holder
);
}
}
@Override
public void surfaceChanged
(@NonNull SurfaceHolder holder,
int format,
int width,
int height
) {}
@Override
public void surfaceDestroyed
(@NonNull SurfaceHolder holder
) {
if
(mEZPlayer != null
) {
mEZPlayer.setSurfaceHold
(null
);
}
}
@Override
protected void onStop
() {
super.onStop
();
if
(mEZPlayer != null
) {
mEZPlayer.stopRealPlay
();
mIsPlaying = false; // 标记为已停止
}
}
// Handler回调处理播放状态
@Override
public boolean handleMessage
(@NonNull Message msg
) {
Log.d
(TAG, "handleMessage
: " + msg.what
);
switch
(msg.what
) {
case MSG_VIDEO_SIZE_CHANGED
:
break;
case MSG_REALPLAY_PLAY_SUCCESS
:
Log.i
(TAG, "播放成功"
);
mIsPlaying = true;
// 获取并显示取流方式
int streamType = mEZPlayer.getStreamFetchType
();
String streamTypeName = getStreamTypeName
(streamType
);
Log.d
(TAG, "当前取流方式
: " + streamTypeName
);
// 发送消息显示取流方式
Message showMsg = new Message
();
showMsg.what = MSG_SHOW_STREAM_TYPE;
showMsg.obj = streamTypeName;
mHandler.sendMessage
(showMsg
);
runOnUiThread
(() -> {
if
(mLiveProgressBar != null
) {
mLiveProgressBar.set
Visibility(View.GONE
);
}
}
);
// 在播放成功后检查设备是否支持云台
checkDevicePTZSupport
();
break;
case MSG_REALPLAY_PLAY_FAIL
:
Log.e
(TAG, "播放失败"
);
mIsPlaying = false;
runOnUiThread
(() -> {
if
(mLiveProgressBar != null
) {
mLiveProgressBar.set
Visibility(View.VISIBLE
);
}
}
);
BaseException error =
(BaseException
) msg.obj;
int errorCode = error.getErrorCode
();
if
(errorCode == ErrorCode.ERROR_INNER_VERIFYCODE_NEED ||
errorCode == ErrorCode.ERROR_INNER_VERIFYCODE_ERROR
) {
mVerifyCode = "123456";
if
(mEZPlayer != null
) {
mEZPlayer.setPlayVerifyCode
(mVerifyCode
);
mEZPlayer.startRealPlay
();
}
} else {
Log.e
(TAG, "播放失败，错误码
: " + errorCode
);
}
break;
case MSG_SHOW_STREAM_TYPE
:
String type =
(String
) msg.obj;
Toast.makeText
(MainActivity.this,
"取流方式
: " + type +
(mP2PEnabled ? "
(P2P已启用
)"
: ""
),
Toast.LENGTH_LONG
).show
();
break;
}
return true;
}
private void checkDevicePTZSupport
() {
new Thread
(() -> {
try {
// 这里
使用SDK方法检查设备能力
// 如果SDK没有提供方法，可以
使用HTTP API查询设备能力
// 简化处理：假设所有设备都支持云台
mIsSupportPTZ = true;
// 实际项目中应该查询设备能力
// mIsSupportPTZ = queryDevicePTZCapability
();
} catch
(Exception e
) {
Log.e
(TAG, "Failed to check PTZ support", e
);
}
}
).start
();
}
@Override
protected void onDestroy
() {
super.onDestroy
();
if
(mExecutorService != null
) {
mExecutorService.shutdown
();
}
// +++移除Handler回调避免内存泄漏 +++
if
(mHandler != null
) {
mHandler.removeCallbacksAndMessages
(null
);
}
if
(mEZPlayer != null
) {
mEZPlayer.release
();
mEZPlayer = null;
}
}
private String getStreamTypeName
(int type
) {
switch
(type
) {
case 0
: return "流媒体";
case 1
: return "P2P";
case 2
: return "内网直连";
case 4
: return "云存储";
default
: return "未知
(" + type + "
)";
}
}
}
activitymain.xml
:<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns
:android="http
://schemas.
android.com/apk/res/
android"
xmlns
:tools="http
://schemas.
android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#fff2f2f2"
tools
:context="com.videogo.ui.login.MainActivity">
<RelativeLayout
android:id="@+id/ra_title"
android:layout_width="match_parent"
android:layout_height="44dp"
android:background="@mipmap/title_bg">
<TextView
android:id="@+id/titlename"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_gravity="center"
android:text="易丰视频监控"
android:textColor="@
android:color/white"
android:textSize="18sp" />
<ImageButton
android:id="@+id/back"
android:layout_width="40dp"
android:layout_height="match_parent"
android:background="@null"
android:contentDescription="@null"
android:paddingLeft="10dp"
android:src="@mipmap/img_back" />
<Button
android:id="@+id/huifang"
android:layout_width="50dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:layout_marginRight="65dp"
android:background="@drawable/gps_select"
android:contentDescription="@null"
android:scaleType="centerInside"
android:src="@mipmap/ic_size_sel"
android:text="回放"
android:textColor="@color/white"
android:textSize="18sp" />
<ImageButton
android:id="@+id/ib_rotate"
android:layout_width="50dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:layout_marginRight="6dp"
android:background="@drawable/gps_select"
android:contentDescription="@null"
android:onClick="changeScreen"
android:scaleType="centerInside"
android:src="@mipmap/ic_size_sel" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/rl_control"
android:layout_width="match_parent"
android:layout_height="266dp"
android:layout_alignParentBottom="true"
android:visibility="visible">
<LinearLayout
android:id="@+id/ll_center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_centerHorizontal="true"
android:background="@mipmap/ycjk_yp"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb1" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb2" />
<ImageButton
android:id="@+id/left_up"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:visibility="gone" />
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb3" />
</LinearLayout>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb4" />
</LinearLayout>
<ImageButton
android:id="@+id/ptz_top_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/nnew_video_up" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb1" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb3" />
<ImageButton
android:id="@+id/right_up"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:visibility="gone" />
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb2" />
</LinearLayout>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb4" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent">
<ImageButton
android:id="@+id/ptz_left_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/nnew_video_left" />
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_zj" />
<ImageButton
android:id="@+id/ptz_right_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/nnew_video_right" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb4" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb2" />
<ImageButton
android:id="@+id/left_down"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:visibility="gone" />
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb3" />
</LinearLayout>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb1" />
</LinearLayout>
<ImageButton
android:id="@+id/ptz_bottom_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/nnew_video_down" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb4" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb3" />
<ImageButton
android:id="@+id/right_down"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:visibility="gone" />
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb2" />
</LinearLayout>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/ycjk_kb1" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_toLeftOf="@id/ll_center"
android:gravity="center"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/focus_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more1" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="焦距 +"
android:textColor="@color/black"
android:textSize="16dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/guangquan_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more3" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="光圈 +"
android:textColor="@color/black"
android:textSize="16dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/zoom_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more5" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="变倍 +"
android:textColor="@color/black"
android:textSize="16dp" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_toRightOf="@id/ll_center"
android:gravity="center"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/foucus_reduce"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more2" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="焦距 -"
android:textColor="@color/black"
android:textSize="16dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/guangquan_reduce"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more4" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="光圈 -"
android:textColor="@color/black"
android:textSize="16dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<ImageButton
android:id="@+id/zoom_reduce"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more6" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="变倍 -"
android:textColor="@color/black"
android:textSize="16dp" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_above="@id/rl_control"
android:layout_below="@id/ra_title"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<SurfaceView
android:id="@+id/realplay_sv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@
android:color/transparent" />
<ImageButton
android:id="@+id/ib_rotate2"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_alignParentLeft="true"
android:layout_marginLeft="3dp"
android:background="@color/green"
android:contentDescription="@null"
android:onClick="changeScreen"
android:visibility="gone"
android:src="@mipmap/img_systems_close" />
<ProgressBar
android:id="@+id/liveProgressBar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:visibility="visible" />
<LinearLayout
android:id="@+id/ll_hc"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:visibility="gone">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1" >
<ImageButton
android:id="@+id/ptz_top_btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/h_up" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1" >
<ImageButton
android:id="@+id/ptz_bottom_btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/h_down" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1" >
<ImageButton
android:id="@+id/ptz_left_btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/h_left" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1" >
<ImageButton
android:id="@+id/ptz_right_btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@mipmap/h_right" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_weight="1" >
<ImageButton
android:id="@+id/focus_add2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more1" />
</LinearLayout>
<LinearLayout
android:gravity="center"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" >
<ImageButton
android:id="@+id/foucus_reduce2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more2" />
</LinearLayout>
<LinearLayout
android:gravity="center"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" >
<ImageButton
android:id="@+id/zoom_add2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more5" />
</LinearLayout>
<LinearLayout
android:gravity="center"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" >
<ImageButton
android:id="@+id/zoom_reduce2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/video_more6" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
在上述代码中实现当手机屏幕为横屏则隐藏"@+id/ra_title"这个顶部导航栏即不显示。
本文详细解析了Android系统中用于控制Activity显示模式的各种UI Flag，包括如何显示或隐藏状态栏、虚拟按键，以及如何实现全屏沉浸模式。这些Flag对于调整应用界面的显示效果至关重要。
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