提示R.layout.main 出错

博客指出在引入的类中存在 import android.R,建议将其删掉即可解决问题,涉及移动开发相关内容。

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引入的类里面有 import android.R,删掉。搞定。

package com.example.kucun2.function; import android.content.Context; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import com.example.kucun2.entity.Bancai; import com.example.kucun2.entity.Caizhi; import com.example.kucun2.entity.Chanpin; import com.example.kucun2.entity.Dingdan; import com.example.kucun2.entity.Mupi; import com.example.kucun2.entity.Zujian; import java.util.List; public class Adapter { // 安全适配器基类,处理公共逻辑 private static abstract class SafeSpinnerAdapter<T> extends ArrayAdapter<T> { public SafeSpinnerAdapter(Context context, int resource, List<T> objects) { super(context, resource, objects); } @Override public View getDropDownView(int position, @Nullable View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); T item = getItem(position); textView.setText(formatDropdownText(item)); return view; } @NonNull @Override public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) { View view = super.getView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); T item = getItem(position); textView.setText(formatDisplayText(item)); return view; } // 需要子类实现的抽象方法 protected abstract String formatDisplayText(T item); protected abstract String formatDropdownText(T item); } // 1. 材质适配器 public static ArrayAdapter<Caizhi> setupCaizhiSpinner(Spinner spinner, List<Caizhi> data, Context context) { ArrayAdapter<Caizhi> adapter = new SafeSpinnerAdapter<Caizhi>(context, android.R.layout.simple_spinner_item, data) { @Override protected String formatDisplayText(Caizhi item) { return item != null ? item.getName() : "请选择材质"; } @Override protected String formatDropdownText(Caizhi item) { return item != null ? item.getName() : ""; } }; adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); return adapter; } // 2. 木皮适配器 public static void setupMupiSpinner(Spinner spinner, List<Mupi> data, Context context) { ArrayAdapter<Mupi> adapter = new SafeSpinnerAdapter<Mupi>(context, android.R.layout.simple_spinner_item, data) { @Override protected String formatDisplayText(Mupi item) { return item != null ? item.formatMupiDisplay() : "请选择木皮"; } @Override protected String formatDropdownText(Mupi item) { return item != null ? item.formatMupiDisplay() : ""; } }; adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); } // 3. 板材适配器 public static void setupBancaiSpinners(Spinner spinner, List<Bancai> data, Context context) { ArrayAdapter<Bancai> adapter = new SafeSpinnerAdapter<Bancai>(context, android.R.layout.simple_spinner_item, data) { @Override protected String formatDisplayText(Bancai item) { return item != null ? item.TableText() : "请选择板材"; } @Override protected String formatDropdownText(Bancai item) { return item != null ? item.TableText() : ""; } }; adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); } // 4. 订单适配器 public static void setupDingdanSpinner(Spinner spinner, List<Dingdan> data, Context context) { ArrayAdapter<Dingdan> adapter = new SafeSpinnerAdapter<Dingdan>(context, android.R.layout.simple_spinner_item, data) { @Override protected String formatDisplayText(Dingdan item) { return item != null ? item.getNumber() : "请选择"; } @Override protected String formatDropdownText(Dingdan item) { return item != null ? item.getNumber() : "请选择"; } }; adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); } // 5. 产品适配器 public static void setupChanpinSpinner(Spinner spinner, List<Chanpin> data, Context context) { ArrayAdapter<Chanpin> adapter = new SafeSpinnerAdapter<Chanpin>(context, android.R.layout.simple_spinner_item, data) { @Override protected String formatDisplayText(Chanpin item) { return item != null ? item.getBianhao() : "请选择"; } @Override protected String formatDropdownText(Chanpin item) { return item != null ? item.getBianhao() : "请选择"; } }; adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); } // 6. 组件适配器 public static void setupZujianSpinner(Spinner spinner, List<Zujian> data, Context context) { ArrayAdapter<Zujian> adapter = new SafeSpinnerAdapter<Zujian>(context, android.R.layout.simple_spinner_item, data) { @Override protected String formatDisplayText(Zujian item) { return item != null ? item.getName() : "请选择"; } @Override protected String formatDropdownText(Zujian item) { return item != null ? item.getName() : "请选择"; } }; adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); } }un2 D Shutting down VM 2025-06-11 13:45:28.585 13717-13717 AndroidRuntime com.example.kucun2 E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 13717 java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:454) at android.widget.ArrayAdapter.getView(ArrayAdapter.java:416) at com.example.kucun2.function.Adapter$SafeSpinnerAdapter.getView(Adapter.java:39) at android.widget.AbsSpinner.onMeasure(AbsSpinner.java:206) at android.widget.Spinner.onMeasure(Spinner.java:622) at androidx.appcompat.widget.AppCompatSpinner.onMeasure(AppCompatSpinner.java:444) at android.view.View.measure(View.java:29007) at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1226) at android.widget.LinearLayout.onMeasure(LinearLayout.java:728)
06-12
package com.example.kucun2.function; import static android.content.ContentValues.TAG; import android.content.Context; import android.util.Log; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; import androidx.annotation.NonNull; import com.example.kucun2.entity.Bancai; import com.example.kucun2.entity.Caizhi; import com.example.kucun2.entity.Chanpin; import com.example.kucun2.entity.Dingdan; import com.example.kucun2.entity.Mupi; import com.example.kucun2.entity.Zujian; import com.example.kucun2.entity.data.Data; import java.util.List; public class Adapter { // 1. 更新材质适配器(材质显示只输出name) public static ArrayAdapter<Caizhi> setupCaizhiSpinner(Spinner spinnerCaizhi, List<Caizhi> data, Context context) { ArrayAdapter<Caizhi> caizhiAdapter = new ArrayAdapter<Caizhi>( context, android.R.layout.simple_spinner_item, data) { @Override public View getView(int position, View convertView, ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Caizhi caizhi = getItem(position); textView.setText(caizhi != null ? caizhi.getName() : "请选择材质"); return view; } @Override public View getDropDownView(int position, View convertView, ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Caizhi caizhi = getItem(position); textView.setText(caizhi != null ? caizhi.getName() : ""); return textView; } }; caizhiAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerCaizhi.setAdapter(caizhiAdapter); return caizhiAdapter; } // 2. 更新木皮适配器(木皮输出name + 油或不加) public static void setupMupiSpinner(Spinner spinnerMupi, List<Mupi> data,Context context) { ArrayAdapter<Mupi> mupiAdapter = new ArrayAdapter<Mupi>( context, android.R.layout.simple_spinner_item, data) { @Override public View getView(int position, View convertView, ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Mupi mupi = getItem(position); textView.setText(mupi != null ? mupi.formatMupiDisplay() : "请选择木皮"); return textView; } @Override public View getDropDownView(int position, View convertView, ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Mupi mupi = getItem(position); textView.setText(mupi != null ? mupi.formatMupiDisplay() : ""); return textView; } }; mupiAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerMupi.setAdapter(mupiAdapter); } // 2. 更新木皮适配器(板材输出TableText) public static void setupBancaiSpinners(Spinner spinnerBancai, List<Bancai> data, Context context) { ArrayAdapter<Bancai> mupiAdapter = new ArrayAdapter<Bancai>( context, android.R.layout.simple_spinner_item, data) { @Override public View getView(int position, View convertView, ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Bancai bancai = getItem(position); textView.setText(bancai != null ? bancai.TableText() : "请选择板材"); return textView; } @Override public View getDropDownView(int position, View convertView, ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Bancai bancai = getItem(position); textView.setText(bancai != null ? bancai.TableText() : ""); return textView; } }; mupiAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerBancai.setAdapter(mupiAdapter); } public static void setupDingdanSpinner(Spinner spinnerDingdan, List<Dingdan> data, Context context) { // 定制订单适配器显示订单号(number) ArrayAdapter<Dingdan> dingdanAdapter = new ArrayAdapter<Dingdan>( context, android.R.layout.simple_spinner_item, data) { @NonNull @Override public View getView(int position, View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Dingdan dingdan = getItem(position); textView.setText(dingdan != null ? dingdan.getNumber() : "请选择"); return textView; } @Override public View getDropDownView(int position, View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Dingdan dingdan = getItem(position); textView.setText(dingdan != null ? dingdan.getNumber() : "请选择"); return textView; } }; dingdanAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerDingdan.setAdapter(dingdanAdapter); } public static void setupChanpinSpinner(Spinner spinnerChanpin, List<Chanpin> data, Context context) { // 定制订单适配器显示订单号(number) ArrayAdapter<Chanpin> ChanpinAdapter = new ArrayAdapter<Chanpin>( context, android.R.layout.simple_spinner_item, data) { @NonNull @Override public View getView(int position, View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Chanpin chanpin = getItem(position); textView.setText(chanpin != null ? chanpin.getBianhao() : "请选择"); return textView; } @Override public View getDropDownView(int position, View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Chanpin chanpin = getItem(position); textView.setText(chanpin != null ? chanpin.getBianhao() : "请选择"); return textView; } }; ChanpinAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerChanpin.setAdapter(ChanpinAdapter); } // 定制组件适配器显示组件名(name) public static void setupZujianSpinner(Spinner spinnerZujian, List<Zujian> data, Context context) { ArrayAdapter<Zujian> zujianAdapter = new ArrayAdapter<Zujian>( context, android.R.layout.simple_spinner_item, data) { @NonNull @Override public View getView(int position, View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Zujian zujian = getItem(position); textView.setText(zujian != null ? zujian.getName() : "请选择"); return textView; } @Override public View getDropDownView(int position, View convertView, @NonNull ViewGroup parent) { View view = super.getDropDownView(position, convertView, parent); TextView textView = view.findViewById(android.R.id.text1); Zujian zujian = getItem(position); textView.setText(zujian != null ? zujian.getName() : "请选择"); return textView; } }; zujianAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerZujian.setAdapter(zujianAdapter); } } E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 12786 java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:454) at android.widget.ArrayAdapter.getDropDownView(ArrayAdapter.java:502) at com.example.kucun2.function.Adapter$5.getView(Adapter.java:166) at android.widget.AbsSpinner.onMeasure(AbsSpinner.java:206) at android.widget.Spinner.onMeasure(Spinner.java:622) at androidx.appcompat.widget.AppCompatSpinner.onMeasure(AppCompatSpinner.java:444) at android.view.View.measure(View.java:29007) at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1226) at android.widget.LinearLayout.onMeasure(LinearLayout.java:728) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1613) at android.widget.LinearLayout.measureVertical(LinearLayout.java:883) at android.widget.LinearLayout.onMeasure(LinearLayout.java:726) at android.view.View.measure(View.java:29007) at android.widget.ScrollView.measureChildWithMargins(ScrollView.java:1641) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at android.widget.ScrollView.onMeasure(ScrollView.java:559) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at android.view.View.measure(View.java:29007) at androidx.constraintlayout.widget.ConstraintLayout$Measurer.measure(ConstraintLayout.java:811) at androidx.constraintlayout.core.widgets.analyzer.BasicMeasure.measure(BasicMeasure.java:466) at androidx.constraintlayout.core.widgets.analyzer.BasicMeasure.measureChildren(BasicMeasure.java:134) at androidx.constraintlayout.core.widgets.analyzer.BasicMeasure.solverMeasure(BasicMeasure.java:278) at androidx.constraintlayout.core.widgets.ConstraintWidgetContainer.measure(ConstraintWidgetContainer.java:120) at androidx.constraintlayout.widget.ConstraintLayout.resolveSystem(ConstraintLayout.java:1594) at androidx.constraintlayout.widget.ConstraintLayout.onMeasure(ConstraintLayout.java:1708) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at androidx.coordinatorlayout.widget.CoordinatorLayout.onMeasureChild(Coordinato
06-12
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 private boolean mHasShownConnectionSuccess = false; // 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; private RelativeLayout mRaTitle; // 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); mRaTitle = findViewById(R.id.ra_title); // 1. 从Intent中获取参数 extractParametersFromIntent(); // 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.setVisibility(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.setVisibility(View.GONE); } else { mLiveProgressBar.setVisibility(View.VISIBLE); } } } private void updateLayoutByOrientation() { int orientation = getResources().getConfiguration().orientation; if (orientation == Configuration.ORIENTATION_PORTRAIT) { // 竖屏模式 mRaTitle.setVisibility(View.VISIBLE); mRlControl.setVisibility(View.VISIBLE); mLlHc.setVisibility(View.GONE); mIbRotate2.setVisibility(View.GONE); } else { // 横屏模式 mRaTitle.setVisibility(View.GONE); mRlControl.setVisibility(View.GONE); mLlHc.setVisibility(View.VISIBLE); mIbRotate2.setVisibility(View.VISIBLE); } } /** * 从Intent中提取传递的参数 */ private void extractParametersFromIntent() { Bundle extras = getIntent().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.getInt(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); } Toast.makeText(MainActivity.this, "连接正常,即将播放", Toast.LENGTH_SHORT).show(); // 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.setVisibility(View.GONE); } if (!mHasShownConnectionSuccess) { // Toast.makeText(MainActivity.this, // "连接成功", // Toast.LENGTH_SHORT).show(); mHasShownConnectionSuccess = true; } }); // 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.setVisibility(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 + ")"; } } } FanHui.java:package com.videogo.ui.login; import android.app.AlertDialog; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.DatePicker; import android.widget.ImageButton; import android.widget.RelativeLayout; import android.widget.TextView; import androidx.appcompat.app.AppCompatActivity; import com.videogo.openapi.EZOpenSDK; import com.videogo.widget.TitleBar; import ezviz.ezopensdk.R; import java.util.Calendar; import java.util.Locale; import android.view.ViewGroup; // 添加缺失的导入 public class FanHui extends AppCompatActivity { private static final String TAG = "EZPreview"; private String mAppKey; private String mDeviceSerial; private String mVerifyCode; private String mAccessToken; private int mCameraNo; private TextView mDateTextView; private int mSelectedYear, mSelectedMonth, mSelectedDay; 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"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.ez_playback_list_page); extractParametersFromIntent(); final Calendar calendar = Calendar.getInstance(); mSelectedYear = calendar.get(Calendar.YEAR); mSelectedMonth = calendar.get(Calendar.MONTH); mSelectedDay = calendar.get(Calendar.DAY_OF_MONTH); // 设置日期显示模块 setupDatePicker(); View fanHui = findViewById(R.id.fanhui); fanHui.setOnClickListener(v -> finish()); Button huifangBtn = findViewById(R.id.fanhui); huifangBtn.setOnClickListener(v -> { Intent intent = new Intent(FanHui.this, MainActivity.class); intent.putExtra("deviceSerial", mDeviceSerial); intent.putExtra("cameraNo", mCameraNo); intent.putExtra("accessToken", mAccessToken); intent.putExtra("appkey", mAppKey); intent.putExtra("verifyCode", mVerifyCode); startActivity(intent); }); } private void setupDatePicker() { mDateTextView = findViewById(R.id.date_text); ImageButton datePickerButton = findViewById(R.id.date_picker_button); updateDateDisplay(); datePickerButton.setOnClickListener(v -> showDatePickerDialog()); } private void updateDateDisplay() { String formattedDate = String.format(Locale.getDefault(), "%d年%02d月%02d日", mSelectedYear, mSelectedMonth + 1, // 月份需要+1 mSelectedDay); mDateTextView.setText(formattedDate); } private void showDatePickerDialog() { // 使用与 WeatherInfoActivity 完全一致的创建方式 final AlertDialog dlg = new AlertDialog.Builder(this, R.style.Theme_AppCompat_Dialog).create(); dlg.show(); Window window = dlg.getWindow(); window.setContentView(R.layout.datepicker_layout); // 设置对话框宽度(与 WeatherInfoActivity 一致) WindowManager.LayoutParams lp = window.getAttributes(); lp.width = WindowManager.LayoutParams.MATCH_PARENT; window.setAttributes(lp); // 获取并初始化 DatePicker(关键修复) DatePicker dpPicker = window.findViewById(R.id.dpPicker); // 隐藏不需要的视图(与 WeatherInfoActivity 一致) ViewGroup rootView = (ViewGroup) dpPicker.getChildAt(0); if (rootView != null) { ViewGroup childView = (ViewGroup) rootView.getChildAt(0); if (childView != null) { // 隐藏日选择器 childView.getChildAt(2).setVisibility(View.GONE); // 确保月选择器可见 childView.getChildAt(1).setVisibility(View.VISIBLE); } } dpPicker.init(mSelectedYear, mSelectedMonth, mSelectedDay, null); // 设置按钮事件 RelativeLayout yesButton = window.findViewById(R.id.YES); RelativeLayout noButton = window.findViewById(R.id.NO); yesButton.setOnClickListener(v -> { mSelectedYear = dpPicker.getYear(); mSelectedMonth = dpPicker.getMonth(); mSelectedDay = dpPicker.getDayOfMonth(); updateDateDisplay(); dlg.dismiss(); }); noButton.setOnClickListener(v -> dlg.dismiss()); } private void extractParametersFromIntent() { Bundle extras = getIntent().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.getInt(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"); } } } 解决从FanHui点击id.fanhui的按钮返回到MainActivity没有继续播放原本从MainActivity点击id.huifang按钮进入FanHui之前直播的画面。
最新发布
06-26
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