activitymain.xml:<?xml version="1.0" encoding="utf-8"?>
<Relative
Layout 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">
<Relative
Layout
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="佳多视频监控"
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" />
<ImageButton
android:id="@+id/ib_rotate"
android:
layout_width="50dp"
android:
layout_height="match_parent"
android:
layout_alignParentRight="true"
android:contentDescription="@null"
android:onClick="changeScreen"
android:
layout_marginRight="6dp"
android:scaleType="centerInside"
android:background="@drawable/gps_select"
android:src="@mipmap/ic_size_sel" />
</Relative
Layout>
<Relative
Layout
android:id="@+id/rl_control"
android:
layout_width="match_parent"
android:
layout_height="266dp"
android:
layout_alignParentBottom="true"
>
<Linear
Layout
android:id="@+id/ll_center"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:
layout_centerHorizontal="true"
android:
layout_centerInParent="true"
android:background="@mipmap/ycjk_yp"
android:orientation="vertical" >
<Linear
Layout
android:
layout_width="match_parent"
android:
layout_height="wrap_content"
android:orientation="horizontal" >
<Linear
Layout
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" />
<Linear
Layout
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:visibility="gone"
android:id="@+id/left_up"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@null" />
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb3" />
</Linear
Layout>
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb4" />
</Linear
Layout>
<ImageButton
android:id="@+id/ptz_top_btn"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@drawable/nnew_video_up" />
<Linear
Layout
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" />
<Linear
Layout
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:visibility="gone"
android:id="@+id/right_up"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@null" />
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb2" />
</Linear
Layout>
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb4" />
</Linear
Layout>
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
android:
layout_width="match_parent"
android:
layout_height="wrap_content"
android:orientation="horizontal" >
<Linear
Layout
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" />
<Linear
Layout
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:visibility="gone"
android:id="@+id/left_down"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@null" />
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb3" />
</Linear
Layout>
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb1" />
</Linear
Layout>
<ImageButton
android:id="@+id/ptz_bottom_btn"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@drawable/nnew_video_down" />
<Linear
Layout
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" />
<Linear
Layout
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:visibility="gone"
android:id="@+id/right_down"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@null" />
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb2" />
</Linear
Layout>
<ImageButton
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:background="@mipmap/ycjk_kb1" />
</Linear
Layout>
</Linear
Layout>
</Linear
Layout>
<Linear
Layout
android:
layout_width="match_parent"
android:
layout_height="match_parent"
android:
layout_toLeftOf="@id/ll_center"
android:gravity="center"
android:orientation="vertical" >
<Linear
Layout
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:textColor="@color/black"
android:textSize="16dp"
android:text="焦距 +"
/>
</Linear
Layout>
<Linear
Layout
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:textColor="@color/black"
android:text="光圈 +"
android:textSize="16dp"
/>
</Linear
Layout>
<Linear
Layout
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:textColor="@color/black"
android:text="变倍 +"
android:textSize="16dp"
/>
</Linear
Layout>
</Linear
Layout>
<Linear
Layout
android:
layout_width="match_parent"
android:
layout_height="match_parent"
android:
layout_toRightOf="@id/ll_center"
android:gravity="center"
android:orientation="vertical" >
<Linear
Layout
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:textColor="@color/black"
android:text="焦距 -"
android:textSize="16dp"
/>
</Linear
Layout>
<Linear
Layout
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:textColor="@color/black"
android:text="光圈 -"
android:textSize="16dp"
/>
</Linear
Layout>
<Linear
Layout
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:textColor="@color/black"
android:text="变倍 -"
android:textSize="16dp"
/>
</Linear
Layout>
</Linear
Layout>
</Relative
Layout>
<Relative
Layout
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:src="@mipmap/img_systems_close" />
<ProgressBar
android:id="@+id/liveProgressBar"
android:
layout_width="wrap_content"
android:
layout_height="wrap_content"
android:
layout_centerHorizontal="true"
android:
layout_centerVertical="true" />
<Linear
Layout
android:id="@+id/ll_hc"
android:
layout_width="match_parent"
android:
layout_height="wrap_content"
android:
layout_alignParentBottom="true" >
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
<Linear
Layout
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" />
</Linear
Layout>
</Linear
Layout>
</Relative
Layout>
</Relative
Layout>
MainActivity.
java:package com.videogo.ui.login;
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 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 com.videogo.openapi.bean.EZDeviceInfo;
import
java.util.List;
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 EZPlayer mEZPlayer;
private SurfaceView mSurfaceView;
private SurfaceHolder mSurfaceHolder;
private String mDeviceSerial;
private int mCameraNo = 0; // 通道号，默认0
private String mVerifyCode = ""; // 设备验证码（如果有）
private int mVideoLevel = EZConstants.EZVideoLevel.VIDEO_LEVEL_FLUENCY; // 默认流畅
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.
layout.activitymain);
// 初始化SDK
EZOpenSDK.initLib(getApplication(), "YOUR_APP_KEY");
EZOpenSDK.getInstance().setAccessToken("YOUR_ACCESS_TOKEN");
// 初始化UI
mSurfaceView = findViewById(R.id.surface_view);
mSurfaceHolder = mSurfaceView.getHolder();
mSurfaceHolder.addCallback(this);
// 获取设备信息（示例：取第一个设备）
new Thread(() -> {
try {
List<EZDeviceInfo> deviceList = EZOpenSDK.getInstance().getDeviceList(0, 1);
if (deviceList != null && !deviceList.isEmpty()) {
mDeviceSerial = deviceList.get(0).getDeviceSerial();
runOnUiThread(this::createPlayer);
}
} catch (BaseException e) {
Log.e(TAG, "获取设备列表失败", e);
}
}).start();
}
// ==================== 1. 创建播放器 ====================
private void createPlayer() {
// 创建播放器实例
mEZPlayer = EZOpenSDK.getInstance().createPlayer(mDeviceSerial, mCameraNo);
// ==================== 2. 配置播放器 ====================
//
设置Handler回调
mEZPlayer.setHandler(new Handler(this));
//
设置显示Surface
if (mSurfaceHolder != null) {
mEZPlayer.setSurfaceHold(mSurfaceHolder);
}
// 如果设备需要验证码，
设置验证码
if (!mVerifyCode.isEmpty()) {
mEZPlayer.setPlayVerifyCode(mVerifyCode);
}
// ==================== 3. 开始播放 ====================
mEZPlayer.startRealPlay();
}
// Surface回调接口实现
@Override
public void surfaceCreated(@NonNull SurfaceHolder holder) {
// 当Surface创建时，如果播放器已经创建，则
设置Surface
if (mEZPlayer != null) {
mEZPlayer.setSurfaceHold(holder);
}
}
@Override
public void surfaceChanged(@NonNull SurfaceHolder holder, int format, int width, int height) {
// 当Surface尺寸变化时处理
}
@Override
public void surfaceDestroyed(@NonNull SurfaceHolder holder) {
// 当Surface销毁时，移除播放器的Surface
if (mEZPlayer != null) {
mEZPlayer.setSurfaceHold(null);
}
}
@Override
protected void onStop() {
super.onStop();
// ==================== 4. 结束播放 ====================
if (mEZPlayer != null) {
mEZPlayer.stopRealPlay();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
// ==================== 5. 释放播放器 ====================
if (mEZPlayer != null) {
mEZPlayer.release();
mEZPlayer = null;
}
}
// 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:
// 视频尺寸变化，可以调整SurfaceView的布局
break;
case MSG_REALPLAY_PLAY_SUCCESS:
Log.i(TAG, "播放成功");
// ====================
设置视频清晰度 ====================
setVideoQuality(EZConstants.EZVideoLevel.VIDEO_LEVEL_HD); //
设置为高清
break;
case MSG_REALPLAY_PLAY_FAIL:
Log.e(TAG, "播放失败");
// 播放失败，获取错误信息
BaseException error = (BaseException) msg.obj;
int errorCode = error.getErrorCode();
if (errorCode == ErrorCode.ERROR_INNER_VERIFYCODE_NEED ||
errorCode == ErrorCode.ERROR_INNER_VERIFYCODE_ERROR) {
// 需要验证码或验证码错误
// 这里应提示用户输入验证码，然后重新
设置并播放
// 示例：模拟用户输入验证码
mVerifyCode = "123456";
if (mEZPlayer != null) {
mEZPlayer.setPlayVerifyCode(mVerifyCode);
mEZPlayer.startRealPlay();
}
} else {
// 其他错误处理
Log.e(TAG, "播放失败，错误码: " + errorCode);
}
break;
}
return true;
}
/**
*
设置视频清晰度
* @param level 清晰度级别（流畅、均衡、高清）
*/
private void setVideoQuality(int level) {
if (mVideoLevel == level) {
return;
}
mVideoLevel = level;
//
设置视频清晰度
EZOpenSDK.setVideoLevel(mDeviceSerial, mCameraNo, level);
// 停止并重新开始播放（API要求
设置清晰度后需重启播放）
if (mEZPlayer != null) {
mEZPlayer.stopRealPlay();
mEZPlayer.startRealPlay();
}
}
}
检查确认MainActivity.
java代码是否
设置实时直播画面在activitymain中android:id="@+id/realplay_sv"模块内进行实时直播画面播放
本文详细介绍了在Android应用开发中如何利用LinearLayout和RelativeLayout进行界面布局及样式调整，通过设置LayoutParams参数来实现组件的精确定位与大小控制。
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