要获取每小时的使用统计数据，可以使用Android的UsageStatsManager类。以下是一个简单的代码示例：

首先，在AndroidManifest.xml文件中添加以下权限：

然后，在Activity或Service中使用以下代码获取每小时的使用统计数据：

import android.app.usage.UsageStats;
import android.app.usage.UsageStatsManager;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.widget.TextView;

import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;

public class MainActivity extends AppCompatActivity {
    private TextView usageStatsTextView;

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

        usageStatsTextView = findViewById(R.id.usageStatsTextView);

        // 检查权限
        if (hasUsageStatsPermission()) {
            showUsageStats();
        } else {
            requestUsageStatsPermission();
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (hasUsageStatsPermission()) {
            showUsageStats();
        }
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP_MR1)
    private boolean hasUsageStatsPermission() {
        try {
            // 检查是否有权限
            AppOpsManager appOps = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
            int mode = appOps.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, android.os.Process.myUid(), getPackageName());
            return mode == AppOpsManager.MODE_ALLOWED;
        } catch (Exception e) {
            return false;
        }
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP_MR1)
    private void requestUsageStatsPermission() {
        Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
        startActivity(intent);
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP_MR1)
    private void showUsageStats() {
        UsageStatsManager usageStatsManager = (UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);

        // 获取当前时间的Calendar对象
        Calendar calendar = Calendar.getInstance();
        long endTime = calendar.getTimeInMillis();
        calendar.add(Calendar.HOUR_OF_DAY, -1); // 获取一小时前的时间
        long startTime = calendar.getTimeInMillis();

        // 获取每小时的使用统计数据
        List usageStatsList = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_HOUR, startTime, endTime);

        // 格式化并显示统计数据
        StringBuilder statsBuilder = new StringBuilder();
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
        for (UsageStats usageStats : usageStatsList) {
            String packageName = usageStats.getPackageName();
            long totalUsageTime = usageStats.getTotalTimeInForeground();
            String lastTimeUsed = dateFormat.format(usageStats.getLastTimeUsed());

            statsBuilder.append("Package Name: ").append(packageName)
                    .append("\nTotal Usage Time: ").append(totalUsageTime / 1000).append(" seconds")
                    .append("\nLast Time Used: ").append(lastTimeUsed)
                    .append("\n\n");
        }
        usageStatsTextView.setText(statsBuilder.toString());
    }
}

注意：上述代码仅适用于Android 5.1（API级别22）及更高版本。在低于API级别22的设备上，hasUsageStatsPermission()和requestUsageStatsPermission()方法将返回false。